./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3701409061

<...>
                  = 0
[pid 13118] exit_group(0)               = ?
[pid 13118] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13118, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13119 attached
, child_tidptr=0x555555bcb690) = 13119
[pid 13119] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13119] setpgid(0, 0)               = 0
[pid 13119] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13119] write(3, "1000", 4)         = 4
[pid 13119] close(3)                    = 0
[pid 13119] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13119] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13119] pipe2([3, 4], 0)            = 0
[pid 13119] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13119] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13119] sync()                      = 0
[pid 13119] exit_group(0)               = ?
[pid 13119] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13119, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13120
./strace-static-x86_64: Process 13120 attached
[pid 13120] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13120] setpgid(0, 0)               = 0
[pid 13120] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13120] write(3, "1000", 4)         = 4
[pid 13120] close(3)                    = 0
[pid 13120] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13120] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13120] pipe2([3, 4], 0)            = 0
[pid 13120] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13120] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13120] sync()                      = 0
[pid 13120] exit_group(0)               = ?
[pid 13120] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13120, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13121
./strace-static-x86_64: Process 13121 attached
[pid 13121] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13121] setpgid(0, 0)               = 0
[pid 13121] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13121] write(3, "1000", 4)         = 4
[pid 13121] close(3)                    = 0
[pid 13121] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13121] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13121] pipe2([3, 4], 0)            = 0
[pid 13121] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13121] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13121] sync()                      = 0
[pid 13121] exit_group(0)               = ?
[pid 13121] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13121, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13122 attached
, child_tidptr=0x555555bcb690) = 13122
[pid 13122] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13122] setpgid(0, 0)               = 0
[pid 13122] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13122] write(3, "1000", 4)         = 4
[pid 13122] close(3)                    = 0
[pid 13122] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13122] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13122] pipe2([3, 4], 0)            = 0
[pid 13122] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13122] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13122] sync()                      = 0
[pid 13122] exit_group(0)               = ?
[pid 13122] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13122, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13123 attached
, child_tidptr=0x555555bcb690) = 13123
[pid 13123] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13123] setpgid(0, 0)               = 0
[pid 13123] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13123] write(3, "1000", 4)         = 4
[pid 13123] close(3)                    = 0
[pid 13123] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13123] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13123] pipe2([3, 4], 0)            = 0
[pid 13123] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13123] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13123] sync()                      = 0
[pid 13123] exit_group(0)               = ?
[pid 13123] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13123, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13124 attached
, child_tidptr=0x555555bcb690) = 13124
[pid 13124] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13124] setpgid(0, 0)               = 0
[pid 13124] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13124] write(3, "1000", 4)         = 4
[pid 13124] close(3)                    = 0
[pid 13124] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13124] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13124] pipe2([3, 4], 0)            = 0
[pid 13124] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13124] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13124] sync()                      = 0
[pid 13124] exit_group(0)               = ?
[pid 13124] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13124, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13125
./strace-static-x86_64: Process 13125 attached
[pid 13125] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13125] setpgid(0, 0)               = 0
[pid 13125] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13125] write(3, "1000", 4)         = 4
[pid 13125] close(3)                    = 0
[pid 13125] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13125] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13125] pipe2([3, 4], 0)            = 0
[pid 13125] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13125] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13125] sync()                      = 0
[pid 13125] exit_group(0)               = ?
[pid 13125] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13125, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13126
./strace-static-x86_64: Process 13126 attached
[pid 13126] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13126] setpgid(0, 0)               = 0
[pid 13126] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13126] write(3, "1000", 4)         = 4
[pid 13126] close(3)                    = 0
[pid 13126] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13126] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13126] pipe2([3, 4], 0)            = 0
[pid 13126] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13126] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13126] sync()                      = 0
[pid 13126] exit_group(0)               = ?
[pid 13126] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13126, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13127 attached
, child_tidptr=0x555555bcb690) = 13127
[pid 13127] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13127] setpgid(0, 0)               = 0
[pid 13127] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13127] write(3, "1000", 4)         = 4
[pid 13127] close(3)                    = 0
[pid 13127] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13127] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13127] pipe2([3, 4], 0)            = 0
[pid 13127] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13127] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13127] sync()                      = 0
[pid 13127] exit_group(0)               = ?
[pid 13127] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13127, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13128
./strace-static-x86_64: Process 13128 attached
[pid 13128] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13128] setpgid(0, 0)               = 0
[pid 13128] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13128] write(3, "1000", 4)         = 4
[pid 13128] close(3)                    = 0
[pid 13128] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13128] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13128] pipe2([3, 4], 0)            = 0
[pid 13128] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13128] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13128] sync()                      = 0
[pid 13128] exit_group(0)               = ?
[pid 13128] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13128, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13129
./strace-static-x86_64: Process 13129 attached
[pid 13129] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13129] setpgid(0, 0)               = 0
[pid 13129] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13129] write(3, "1000", 4)         = 4
[pid 13129] close(3)                    = 0
[pid 13129] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13129] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13129] pipe2([3, 4], 0)            = 0
[pid 13129] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13129] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13129] sync()                      = 0
[pid 13129] exit_group(0)               = ?
[pid 13129] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13129, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13130
./strace-static-x86_64: Process 13130 attached
[pid 13130] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13130] setpgid(0, 0)               = 0
[pid 13130] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13130] write(3, "1000", 4)         = 4
[pid 13130] close(3)                    = 0
[pid 13130] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13130] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13130] pipe2([3, 4], 0)            = 0
[pid 13130] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13130] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13130] sync()                      = 0
[pid 13130] exit_group(0)               = ?
[pid 13130] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13130, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13131 attached
, child_tidptr=0x555555bcb690) = 13131
[pid 13131] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13131] setpgid(0, 0)               = 0
[pid 13131] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13131] write(3, "1000", 4)         = 4
[pid 13131] close(3)                    = 0
[pid 13131] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13131] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13131] pipe2([3, 4], 0)            = 0
[pid 13131] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13131] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13131] sync()                      = 0
[pid 13131] exit_group(0)               = ?
[pid 13131] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13131, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13132 attached
, child_tidptr=0x555555bcb690) = 13132
[pid 13132] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13132] setpgid(0, 0)               = 0
[pid 13132] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13132] write(3, "1000", 4)         = 4
[pid 13132] close(3)                    = 0
[pid 13132] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13132] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13132] pipe2([3, 4], 0)            = 0
[pid 13132] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13132] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13132] sync()                      = 0
[pid 13132] exit_group(0)               = ?
[pid 13132] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13132, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13133 attached
, child_tidptr=0x555555bcb690) = 13133
[pid 13133] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13133] setpgid(0, 0)               = 0
[pid 13133] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13133] write(3, "1000", 4)         = 4
[pid 13133] close(3)                    = 0
[pid 13133] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13133] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13133] pipe2([3, 4], 0)            = 0
[pid 13133] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13133] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13133] sync()                      = 0
[pid 13133] exit_group(0)               = ?
[pid 13133] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13133, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13134
./strace-static-x86_64: Process 13134 attached
[pid 13134] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13134] setpgid(0, 0)               = 0
[pid 13134] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13134] write(3, "1000", 4)         = 4
[pid 13134] close(3)                    = 0
[pid 13134] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13134] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13134] pipe2([3, 4], 0)            = 0
[pid 13134] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13134] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13134] sync()                      = 0
[pid 13134] exit_group(0)               = ?
[pid 13134] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13134, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13135 attached
, child_tidptr=0x555555bcb690) = 13135
[pid 13135] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13135] setpgid(0, 0)               = 0
[pid 13135] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13135] write(3, "1000", 4)         = 4
[pid 13135] close(3)                    = 0
[pid 13135] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13135] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13135] pipe2([3, 4], 0)            = 0
[pid 13135] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13135] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13135] sync()                      = 0
[pid 13135] exit_group(0)               = ?
[pid 13135] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13135, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13136 attached
, child_tidptr=0x555555bcb690) = 13136
[pid 13136] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13136] setpgid(0, 0)               = 0
[pid 13136] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13136] write(3, "1000", 4)         = 4
[pid 13136] close(3)                    = 0
[pid 13136] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13136] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13136] pipe2([3, 4], 0)            = 0
[pid 13136] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13136] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13136] sync()                      = 0
[pid 13136] exit_group(0)               = ?
[pid 13136] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13136, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13137 attached
, child_tidptr=0x555555bcb690) = 13137
[pid 13137] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13137] setpgid(0, 0)               = 0
[pid 13137] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13137] write(3, "1000", 4)         = 4
[pid 13137] close(3)                    = 0
[pid 13137] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13137] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13137] pipe2([3, 4], 0)            = 0
[pid 13137] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13137] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13137] sync()                      = 0
[pid 13137] exit_group(0)               = ?
[pid 13137] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13137, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13138 attached
, child_tidptr=0x555555bcb690) = 13138
[pid 13138] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13138] setpgid(0, 0)               = 0
[pid 13138] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13138] write(3, "1000", 4)         = 4
[pid 13138] close(3)                    = 0
[pid 13138] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13138] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13138] pipe2([3, 4], 0)            = 0
[pid 13138] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13138] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13138] sync()                      = 0
[pid 13138] exit_group(0)               = ?
[pid 13138] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13138, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13139 attached
, child_tidptr=0x555555bcb690) = 13139
[pid 13139] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13139] setpgid(0, 0)               = 0
[pid 13139] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13139] write(3, "1000", 4)         = 4
[pid 13139] close(3)                    = 0
[pid 13139] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13139] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13139] pipe2([3, 4], 0)            = 0
[pid 13139] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13139] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13139] sync()                      = 0
[pid 13139] exit_group(0)               = ?
[pid 13139] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13139, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13140
./strace-static-x86_64: Process 13140 attached
[pid 13140] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13140] setpgid(0, 0)               = 0
[pid 13140] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13140] write(3, "1000", 4)         = 4
[pid 13140] close(3)                    = 0
[pid 13140] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13140] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13140] pipe2([3, 4], 0)            = 0
[pid 13140] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13140] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13140] sync()                      = 0
[pid 13140] exit_group(0)               = ?
[pid 13140] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13140, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13141
./strace-static-x86_64: Process 13141 attached
[pid 13141] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13141] setpgid(0, 0)               = 0
[pid 13141] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13141] write(3, "1000", 4)         = 4
[pid 13141] close(3)                    = 0
[pid 13141] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13141] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13141] pipe2([3, 4], 0)            = 0
[pid 13141] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13141] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13141] sync()                      = 0
[pid 13141] exit_group(0)               = ?
[pid 13141] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13141, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13142
./strace-static-x86_64: Process 13142 attached
[pid 13142] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13142] setpgid(0, 0)               = 0
[pid 13142] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13142] write(3, "1000", 4)         = 4
[pid 13142] close(3)                    = 0
[pid 13142] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13142] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13142] pipe2([3, 4], 0)            = 0
[pid 13142] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13142] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13142] sync()                      = 0
[pid 13142] exit_group(0)               = ?
[pid 13142] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13142, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13143
./strace-static-x86_64: Process 13143 attached
[pid 13143] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13143] setpgid(0, 0)               = 0
[pid 13143] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13143] write(3, "1000", 4)         = 4
[pid 13143] close(3)                    = 0
[pid 13143] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13143] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13143] pipe2([3, 4], 0)            = 0
[pid 13143] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13143] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13143] sync()                      = 0
[pid 13143] exit_group(0)               = ?
[pid 13143] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13143, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13144
./strace-static-x86_64: Process 13144 attached
[pid 13144] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13144] setpgid(0, 0)               = 0
[pid 13144] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13144] write(3, "1000", 4)         = 4
[pid 13144] close(3)                    = 0
[pid 13144] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13144] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13144] pipe2([3, 4], 0)            = 0
[pid 13144] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13144] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13144] sync()                      = 0
[pid 13144] exit_group(0)               = ?
[pid 13144] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13144, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13145
./strace-static-x86_64: Process 13145 attached
[pid 13145] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13145] setpgid(0, 0)               = 0
[pid 13145] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13145] write(3, "1000", 4)         = 4
[pid 13145] close(3)                    = 0
[pid 13145] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13145] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13145] pipe2([3, 4], 0)            = 0
[pid 13145] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13145] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13145] sync()                      = 0
[pid 13145] exit_group(0)               = ?
[pid 13145] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13145, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13146
./strace-static-x86_64: Process 13146 attached
[pid 13146] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13146] setpgid(0, 0)               = 0
[pid 13146] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13146] write(3, "1000", 4)         = 4
[pid 13146] close(3)                    = 0
[pid 13146] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13146] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13146] pipe2([3, 4], 0)            = 0
[pid 13146] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13146] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13146] sync()                      = 0
[pid 13146] exit_group(0)               = ?
[pid 13146] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13146, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13147
./strace-static-x86_64: Process 13147 attached
[pid 13147] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13147] setpgid(0, 0)               = 0
[pid 13147] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13147] write(3, "1000", 4)         = 4
[pid 13147] close(3)                    = 0
[pid 13147] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13147] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13147] pipe2([3, 4], 0)            = 0
[pid 13147] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13147] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13147] sync()                      = 0
[pid 13147] exit_group(0)               = ?
[pid 13147] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13147, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13148
./strace-static-x86_64: Process 13148 attached
[pid 13148] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13148] setpgid(0, 0)               = 0
[pid 13148] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13148] write(3, "1000", 4)         = 4
[pid 13148] close(3)                    = 0
[pid 13148] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13148] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13148] pipe2([3, 4], 0)            = 0
[pid 13148] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13148] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13148] sync()                      = 0
[pid 13148] exit_group(0)               = ?
[pid 13148] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13148, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13149
./strace-static-x86_64: Process 13149 attached
[pid 13149] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13149] setpgid(0, 0)               = 0
[pid 13149] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13149] write(3, "1000", 4)         = 4
[pid 13149] close(3)                    = 0
[pid 13149] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13149] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13149] pipe2([3, 4], 0)            = 0
[pid 13149] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13149] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13149] sync()                      = 0
[pid 13149] exit_group(0)               = ?
[pid 13149] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13149, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13150
./strace-static-x86_64: Process 13150 attached
[pid 13150] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13150] setpgid(0, 0)               = 0
[pid 13150] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13150] write(3, "1000", 4)         = 4
[pid 13150] close(3)                    = 0
[pid 13150] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13150] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13150] pipe2([3, 4], 0)            = 0
[pid 13150] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13150] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13150] sync()                      = 0
[pid 13150] exit_group(0)               = ?
[pid 13150] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13150, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13151 attached
, child_tidptr=0x555555bcb690) = 13151
[pid 13151] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13151] setpgid(0, 0)               = 0
[pid 13151] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13151] write(3, "1000", 4)         = 4
[pid 13151] close(3)                    = 0
[pid 13151] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13151] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13151] pipe2([3, 4], 0)            = 0
[pid 13151] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13151] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13151] sync()                      = 0
[pid 13151] exit_group(0)               = ?
[pid 13151] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13151, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13152 attached
, child_tidptr=0x555555bcb690) = 13152
[pid 13152] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13152] setpgid(0, 0)               = 0
[pid 13152] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13152] write(3, "1000", 4)         = 4
[pid 13152] close(3)                    = 0
[pid 13152] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13152] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13152] pipe2([3, 4], 0)            = 0
[pid 13152] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13152] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13152] sync()                      = 0
[pid 13152] exit_group(0)               = ?
[pid 13152] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13152, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13153 attached
, child_tidptr=0x555555bcb690) = 13153
[pid 13153] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13153] setpgid(0, 0)               = 0
[pid 13153] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13153] write(3, "1000", 4)         = 4
[pid 13153] close(3)                    = 0
[pid 13153] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13153] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13153] pipe2([3, 4], 0)            = 0
[pid 13153] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13153] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13153] sync()                      = 0
[pid 13153] exit_group(0)               = ?
[pid 13153] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13153, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13154 attached
, child_tidptr=0x555555bcb690) = 13154
[pid 13154] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13154] setpgid(0, 0)               = 0
[pid 13154] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13154] write(3, "1000", 4)         = 4
[pid 13154] close(3)                    = 0
[pid 13154] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13154] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13154] pipe2([3, 4], 0)            = 0
[pid 13154] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13154] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13154] sync()                      = 0
[pid 13154] exit_group(0)               = ?
[pid 13154] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13154, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13155
./strace-static-x86_64: Process 13155 attached
[pid 13155] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13155] setpgid(0, 0)               = 0
[pid 13155] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13155] write(3, "1000", 4)         = 4
[pid 13155] close(3)                    = 0
[pid 13155] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13155] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13155] pipe2([3, 4], 0)            = 0
[pid 13155] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13155] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13155] sync()                      = 0
[pid 13155] exit_group(0)               = ?
[pid 13155] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13155, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13156
./strace-static-x86_64: Process 13156 attached
[pid 13156] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13156] setpgid(0, 0)               = 0
[pid 13156] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13156] write(3, "1000", 4)         = 4
[pid 13156] close(3)                    = 0
[pid 13156] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13156] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13156] pipe2([3, 4], 0)            = 0
[pid 13156] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13156] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13156] sync()                      = 0
[pid 13156] exit_group(0)               = ?
[pid 13156] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13156, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13157 attached
, child_tidptr=0x555555bcb690) = 13157
[pid 13157] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13157] setpgid(0, 0)               = 0
[pid 13157] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13157] write(3, "1000", 4)         = 4
[pid 13157] close(3)                    = 0
[pid 13157] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13157] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13157] pipe2([3, 4], 0)            = 0
[pid 13157] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13157] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13157] sync()                      = 0
[pid 13157] exit_group(0)               = ?
[pid 13157] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13157, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13158 attached
, child_tidptr=0x555555bcb690) = 13158
[pid 13158] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13158] setpgid(0, 0)               = 0
[pid 13158] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13158] write(3, "1000", 4)         = 4
[pid 13158] close(3)                    = 0
[pid 13158] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13158] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13158] pipe2([3, 4], 0)            = 0
[pid 13158] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13158] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13158] sync()                      = 0
[pid 13158] exit_group(0)               = ?
[pid 13158] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13158, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13159
./strace-static-x86_64: Process 13159 attached
[pid 13159] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13159] setpgid(0, 0)               = 0
[pid 13159] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13159] write(3, "1000", 4)         = 4
[pid 13159] close(3)                    = 0
[pid 13159] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13159] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13159] pipe2([3, 4], 0)            = 0
[pid 13159] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13159] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13159] sync()                      = 0
[pid 13159] exit_group(0)               = ?
[pid 13159] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13159, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13160 attached
, child_tidptr=0x555555bcb690) = 13160
[pid 13160] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13160] setpgid(0, 0)               = 0
[pid 13160] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13160] write(3, "1000", 4)         = 4
[pid 13160] close(3)                    = 0
[pid 13160] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13160] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13160] pipe2([3, 4], 0)            = 0
[pid 13160] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13160] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13160] sync()                      = 0
[pid 13160] exit_group(0)               = ?
[pid 13160] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13160, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13161
./strace-static-x86_64: Process 13161 attached
[pid 13161] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13161] setpgid(0, 0)               = 0
[pid 13161] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13161] write(3, "1000", 4)         = 4
[pid 13161] close(3)                    = 0
[pid 13161] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13161] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13161] pipe2([3, 4], 0)            = 0
[pid 13161] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13161] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13161] sync()                      = 0
[pid 13161] exit_group(0)               = ?
[pid 13161] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13161, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13162
./strace-static-x86_64: Process 13162 attached
[pid 13162] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13162] setpgid(0, 0)               = 0
[pid 13162] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13162] write(3, "1000", 4)         = 4
[pid 13162] close(3)                    = 0
[pid 13162] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13162] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13162] pipe2([3, 4], 0)            = 0
[pid 13162] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13162] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13162] sync()                      = 0
[pid 13162] exit_group(0)               = ?
[pid 13162] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13162, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13163 attached
, child_tidptr=0x555555bcb690) = 13163
[pid 13163] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13163] setpgid(0, 0)               = 0
[pid 13163] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13163] write(3, "1000", 4)         = 4
[pid 13163] close(3)                    = 0
[pid 13163] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13163] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13163] pipe2([3, 4], 0)            = 0
[pid 13163] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13163] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13163] sync()                      = 0
[pid 13163] exit_group(0)               = ?
[pid 13163] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13163, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13164 attached
, child_tidptr=0x555555bcb690) = 13164
[pid 13164] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13164] setpgid(0, 0)               = 0
[pid 13164] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13164] write(3, "1000", 4)         = 4
[pid 13164] close(3)                    = 0
[pid 13164] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13164] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13164] pipe2([3, 4], 0)            = 0
[pid 13164] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13164] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13164] sync()                      = 0
[pid 13164] exit_group(0)               = ?
[pid 13164] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13164, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13165
./strace-static-x86_64: Process 13165 attached
[pid 13165] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13165] setpgid(0, 0)               = 0
[pid 13165] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13165] write(3, "1000", 4)         = 4
[pid 13165] close(3)                    = 0
[pid 13165] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13165] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13165] pipe2([3, 4], 0)            = 0
[pid 13165] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13165] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13165] sync()                      = 0
[pid 13165] exit_group(0)               = ?
[pid 13165] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13165, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13166 attached
, child_tidptr=0x555555bcb690) = 13166
[pid 13166] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13166] setpgid(0, 0)               = 0
[pid 13166] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13166] write(3, "1000", 4)         = 4
[pid 13166] close(3)                    = 0
[pid 13166] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13166] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13166] pipe2([3, 4], 0)            = 0
[pid 13166] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13166] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13166] sync()                      = 0
[pid 13166] exit_group(0)               = ?
[pid 13166] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13166, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13167
./strace-static-x86_64: Process 13167 attached
[pid 13167] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13167] setpgid(0, 0)               = 0
[pid 13167] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13167] write(3, "1000", 4)         = 4
[pid 13167] close(3)                    = 0
[pid 13167] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13167] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13167] pipe2([3, 4], 0)            = 0
[pid 13167] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13167] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13167] sync()                      = 0
[pid 13167] exit_group(0)               = ?
[pid 13167] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13167, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13168 attached
, child_tidptr=0x555555bcb690) = 13168
[pid 13168] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13168] setpgid(0, 0)               = 0
[pid 13168] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13168] write(3, "1000", 4)         = 4
[pid 13168] close(3)                    = 0
[pid 13168] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13168] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13168] pipe2([3, 4], 0)            = 0
[pid 13168] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13168] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13168] sync()                      = 0
[pid 13168] exit_group(0)               = ?
[pid 13168] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13168, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13169 attached
, child_tidptr=0x555555bcb690) = 13169
[pid 13169] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13169] setpgid(0, 0)               = 0
[pid 13169] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13169] write(3, "1000", 4)         = 4
[pid 13169] close(3)                    = 0
[pid 13169] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13169] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13169] pipe2([3, 4], 0)            = 0
[pid 13169] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13169] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13169] sync()                      = 0
[pid 13169] exit_group(0)               = ?
[pid 13169] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13169, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13170 attached
, child_tidptr=0x555555bcb690) = 13170
[pid 13170] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13170] setpgid(0, 0)               = 0
[pid 13170] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13170] write(3, "1000", 4)         = 4
[pid 13170] close(3)                    = 0
[pid 13170] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13170] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13170] pipe2([3, 4], 0)            = 0
[pid 13170] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13170] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13170] sync()                      = 0
[pid 13170] exit_group(0)               = ?
[pid 13170] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13170, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13171
./strace-static-x86_64: Process 13171 attached
[pid 13171] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13171] setpgid(0, 0)               = 0
[pid 13171] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13171] write(3, "1000", 4)         = 4
[pid 13171] close(3)                    = 0
[pid 13171] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13171] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13171] pipe2([3, 4], 0)            = 0
[pid 13171] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13171] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13171] sync()                      = 0
[pid 13171] exit_group(0)               = ?
[pid 13171] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13171, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13172
./strace-static-x86_64: Process 13172 attached
[pid 13172] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13172] setpgid(0, 0)               = 0
[pid 13172] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13172] write(3, "1000", 4)         = 4
[pid 13172] close(3)                    = 0
[pid 13172] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13172] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13172] pipe2([3, 4], 0)            = 0
[pid 13172] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13172] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13172] sync()                      = 0
[pid 13172] exit_group(0)               = ?
[pid 13172] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13172, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13173 attached
, child_tidptr=0x555555bcb690) = 13173
[pid 13173] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13173] setpgid(0, 0)               = 0
[pid 13173] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13173] write(3, "1000", 4)         = 4
[pid 13173] close(3)                    = 0
[pid 13173] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13173] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13173] pipe2([3, 4], 0)            = 0
[pid 13173] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13173] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13173] sync()                      = 0
[pid 13173] exit_group(0)               = ?
[pid 13173] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13173, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13174 attached
, child_tidptr=0x555555bcb690) = 13174
[pid 13174] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13174] setpgid(0, 0)               = 0
[pid 13174] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13174] write(3, "1000", 4)         = 4
[pid 13174] close(3)                    = 0
[pid 13174] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13174] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13174] pipe2([3, 4], 0)            = 0
[pid 13174] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13174] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13174] sync()                      = 0
[pid 13174] exit_group(0)               = ?
[pid 13174] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13174, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13175
./strace-static-x86_64: Process 13175 attached
[pid 13175] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13175] setpgid(0, 0)               = 0
[pid 13175] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13175] write(3, "1000", 4)         = 4
[pid 13175] close(3)                    = 0
[pid 13175] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13175] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13175] pipe2([3, 4], 0)            = 0
[pid 13175] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13175] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13175] sync()                      = 0
[pid 13175] exit_group(0)               = ?
[pid 13175] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13175, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13176
./strace-static-x86_64: Process 13176 attached
[pid 13176] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13176] setpgid(0, 0)               = 0
[pid 13176] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13176] write(3, "1000", 4)         = 4
[pid 13176] close(3)                    = 0
[pid 13176] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13176] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13176] pipe2([3, 4], 0)            = 0
[pid 13176] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13176] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13176] sync()                      = 0
[pid 13176] exit_group(0)               = ?
[pid 13176] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13176, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13177 attached
, child_tidptr=0x555555bcb690) = 13177
[pid 13177] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13177] setpgid(0, 0)               = 0
[pid 13177] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13177] write(3, "1000", 4)         = 4
[pid 13177] close(3)                    = 0
[pid 13177] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13177] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13177] pipe2([3, 4], 0)            = 0
[pid 13177] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13177] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13177] sync()                      = 0
[pid 13177] exit_group(0)               = ?
[pid 13177] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13177, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13178 attached
, child_tidptr=0x555555bcb690) = 13178
[pid 13178] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13178] setpgid(0, 0)               = 0
[pid 13178] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13178] write(3, "1000", 4)         = 4
[pid 13178] close(3)                    = 0
[pid 13178] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13178] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13178] pipe2([3, 4], 0)            = 0
[pid 13178] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13178] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13178] sync()                      = 0
[pid 13178] exit_group(0)               = ?
[pid 13178] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13178, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13179
./strace-static-x86_64: Process 13179 attached
[pid 13179] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13179] setpgid(0, 0)               = 0
[pid 13179] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13179] write(3, "1000", 4)         = 4
[pid 13179] close(3)                    = 0
[pid 13179] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13179] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13179] pipe2([3, 4], 0)            = 0
[pid 13179] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13179] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13179] sync()                      = 0
[pid 13179] exit_group(0)               = ?
[pid 13179] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13179, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13180 attached
 <unfinished ...>
[pid 13180] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3603] <... clone resumed>, child_tidptr=0x555555bcb690) = 13180
[pid 13180] <... prctl resumed>)        = 0
[pid 13180] setpgid(0, 0)               = 0
[pid 13180] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13180] write(3, "1000", 4)         = 4
[pid 13180] close(3)                    = 0
[pid 13180] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13180] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13180] pipe2([3, 4], 0)            = 0
[pid 13180] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13180] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13180] sync()                      = 0
[pid 13180] exit_group(0)               = ?
[pid 13180] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13180, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13181
./strace-static-x86_64: Process 13181 attached
[pid 13181] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13181] setpgid(0, 0)               = 0
[pid 13181] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13181] write(3, "1000", 4)         = 4
[pid 13181] close(3)                    = 0
[pid 13181] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13181] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13181] pipe2([3, 4], 0)            = 0
[pid 13181] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13181] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13181] sync()                      = 0
[pid 13181] exit_group(0)               = ?
[pid 13181] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13181, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13182 attached
, child_tidptr=0x555555bcb690) = 13182
[pid 13182] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13182] setpgid(0, 0)               = 0
[pid 13182] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13182] write(3, "1000", 4)         = 4
[pid 13182] close(3)                    = 0
[pid 13182] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13182] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13182] pipe2([3, 4], 0)            = 0
[pid 13182] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13182] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13182] sync()                      = 0
[pid 13182] exit_group(0)               = ?
[pid 13182] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13182, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13183 attached
 <unfinished ...>
[pid 13183] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13183] setpgid(0, 0)               = 0
[pid 13183] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13183] write(3, "1000", 4)         = 4
[pid 13183] close(3)                    = 0
[pid 13183] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13183] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13183] pipe2([3, 4], 0)            = 0
[pid 13183] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13183] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," <unfinished ...>
[pid  3603] <... clone resumed>, child_tidptr=0x555555bcb690) = 13183
[pid 13183] <... mount resumed>)        = -1 EINVAL (Invalid argument)
[pid 13183] sync()                      = 0
[pid 13183] exit_group(0)               = ?
[pid 13183] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13183, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13184
./strace-static-x86_64: Process 13184 attached
[pid 13184] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13184] setpgid(0, 0)               = 0
[pid 13184] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13184] write(3, "1000", 4)         = 4
[pid 13184] close(3)                    = 0
[pid 13184] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13184] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13184] pipe2([3, 4], 0)            = 0
[pid 13184] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13184] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13184] sync()                      = 0
[pid 13184] exit_group(0)               = ?
[pid 13184] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13184, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13185
./strace-static-x86_64: Process 13185 attached
[pid 13185] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13185] setpgid(0, 0)               = 0
[pid 13185] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13185] write(3, "1000", 4)         = 4
[pid 13185] close(3)                    = 0
[pid 13185] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13185] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13185] pipe2([3, 4], 0)            = 0
[pid 13185] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13185] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13185] sync()                      = 0
[pid 13185] exit_group(0)               = ?
[pid 13185] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13185, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13186
./strace-static-x86_64: Process 13186 attached
[pid 13186] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13186] setpgid(0, 0)               = 0
[pid 13186] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13186] write(3, "1000", 4)         = 4
[pid 13186] close(3)                    = 0
[pid 13186] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13186] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13186] pipe2([3, 4], 0)            = 0
[pid 13186] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13186] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13186] sync()                      = 0
[pid 13186] exit_group(0)               = ?
[pid 13186] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13186, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13187 attached
, child_tidptr=0x555555bcb690) = 13187
[pid 13187] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13187] setpgid(0, 0)               = 0
[pid 13187] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13187] write(3, "1000", 4)         = 4
[pid 13187] close(3)                    = 0
[pid 13187] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13187] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13187] pipe2([3, 4], 0)            = 0
[pid 13187] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13187] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13187] sync()                      = 0
[pid 13187] exit_group(0)               = ?
[pid 13187] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13187, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13188
./strace-static-x86_64: Process 13188 attached
[pid 13188] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13188] setpgid(0, 0)               = 0
[pid 13188] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13188] write(3, "1000", 4)         = 4
[pid 13188] close(3)                    = 0
[pid 13188] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13188] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13188] pipe2([3, 4], 0)            = 0
[pid 13188] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13188] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13188] sync()                      = 0
[pid 13188] exit_group(0)               = ?
[pid 13188] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13188, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13189 attached
, child_tidptr=0x555555bcb690) = 13189
[pid 13189] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13189] setpgid(0, 0)               = 0
[pid 13189] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13189] write(3, "1000", 4)         = 4
[pid 13189] close(3)                    = 0
[pid 13189] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13189] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13189] pipe2([3, 4], 0)            = 0
[pid 13189] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13189] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13189] sync()                      = 0
[pid 13189] exit_group(0)               = ?
[pid 13189] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13189, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13190
./strace-static-x86_64: Process 13190 attached
[pid 13190] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13190] setpgid(0, 0)               = 0
[pid 13190] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13190] write(3, "1000", 4)         = 4
[pid 13190] close(3)                    = 0
[pid 13190] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13190] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13190] pipe2([3, 4], 0)            = 0
[pid 13190] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13190] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13190] sync()                      = 0
[pid 13190] exit_group(0)               = ?
[pid 13190] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13190, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13191
./strace-static-x86_64: Process 13191 attached
[pid 13191] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13191] setpgid(0, 0)               = 0
[pid 13191] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13191] write(3, "1000", 4)         = 4
[pid 13191] close(3)                    = 0
[pid 13191] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13191] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13191] pipe2([3, 4], 0)            = 0
[pid 13191] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13191] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13191] sync()                      = 0
[pid 13191] exit_group(0)               = ?
[pid 13191] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13191, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13192
./strace-static-x86_64: Process 13192 attached
[pid 13192] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13192] setpgid(0, 0)               = 0
[pid 13192] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13192] write(3, "1000", 4)         = 4
[pid 13192] close(3)                    = 0
[pid 13192] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13192] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13192] pipe2([3, 4], 0)            = 0
[pid 13192] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13192] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13192] sync()                      = 0
[pid 13192] exit_group(0)               = ?
[pid 13192] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13192, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13193
./strace-static-x86_64: Process 13193 attached
[pid 13193] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13193] setpgid(0, 0)               = 0
[pid 13193] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13193] write(3, "1000", 4)         = 4
[pid 13193] close(3)                    = 0
[pid 13193] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13193] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13193] pipe2([3, 4], 0)            = 0
[pid 13193] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13193] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13193] sync()                      = 0
[pid 13193] exit_group(0)               = ?
[pid 13193] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13193, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13194
./strace-static-x86_64: Process 13194 attached
[pid 13194] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13194] setpgid(0, 0)               = 0
[pid 13194] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13194] write(3, "1000", 4)         = 4
[pid 13194] close(3)                    = 0
[pid 13194] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13194] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13194] pipe2([3, 4], 0)            = 0
[pid 13194] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13194] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13194] sync()                      = 0
[pid 13194] exit_group(0)               = ?
[pid 13194] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13194, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13195
./strace-static-x86_64: Process 13195 attached
[pid 13195] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13195] setpgid(0, 0)               = 0
[pid 13195] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13195] write(3, "1000", 4)         = 4
[pid 13195] close(3)                    = 0
[pid 13195] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13195] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13195] pipe2([3, 4], 0)            = 0
[pid 13195] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13195] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13195] sync()                      = 0
[pid 13195] exit_group(0)               = ?
[pid 13195] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13195, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13196
./strace-static-x86_64: Process 13196 attached
[pid 13196] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13196] setpgid(0, 0)               = 0
[pid 13196] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13196] write(3, "1000", 4)         = 4
[pid 13196] close(3)                    = 0
[pid 13196] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13196] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13196] pipe2([3, 4], 0)            = 0
[pid 13196] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13196] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13196] sync()                      = 0
[pid 13196] exit_group(0)               = ?
[pid 13196] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13196, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13197
./strace-static-x86_64: Process 13197 attached
[pid 13197] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13197] setpgid(0, 0)               = 0
[pid 13197] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13197] write(3, "1000", 4)         = 4
[pid 13197] close(3)                    = 0
[pid 13197] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13197] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13197] pipe2([3, 4], 0)            = 0
[pid 13197] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13197] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13197] sync()                      = 0
[pid 13197] exit_group(0)               = ?
[pid 13197] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13197, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13198
./strace-static-x86_64: Process 13198 attached
[pid 13198] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13198] setpgid(0, 0)               = 0
[pid 13198] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13198] write(3, "1000", 4)         = 4
[pid 13198] close(3)                    = 0
[pid 13198] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13198] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13198] pipe2([3, 4], 0)            = 0
[pid 13198] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13198] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13198] sync()                      = 0
[pid 13198] exit_group(0)               = ?
[pid 13198] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13198, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13199 attached
, child_tidptr=0x555555bcb690) = 13199
[pid 13199] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13199] setpgid(0, 0)               = 0
[pid 13199] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13199] write(3, "1000", 4)         = 4
[pid 13199] close(3)                    = 0
[pid 13199] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13199] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13199] pipe2([3, 4], 0)            = 0
[pid 13199] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13199] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13199] sync()                      = 0
[pid 13199] exit_group(0)               = ?
[pid 13199] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13199, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13200
./strace-static-x86_64: Process 13200 attached
[pid 13200] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13200] setpgid(0, 0)               = 0
[pid 13200] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13200] write(3, "1000", 4)         = 4
[pid 13200] close(3)                    = 0
[pid 13200] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13200] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13200] pipe2([3, 4], 0)            = 0
[pid 13200] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13200] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13200] sync()                      = 0
[pid 13200] exit_group(0)               = ?
[pid 13200] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13200, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13201 attached
, child_tidptr=0x555555bcb690) = 13201
[pid 13201] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13201] setpgid(0, 0)               = 0
[pid 13201] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13201] write(3, "1000", 4)         = 4
[pid 13201] close(3)                    = 0
[pid 13201] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13201] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13201] pipe2([3, 4], 0)            = 0
[pid 13201] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13201] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13201] sync()                      = 0
[pid 13201] exit_group(0)               = ?
[pid 13201] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13201, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13202 attached
, child_tidptr=0x555555bcb690) = 13202
[pid 13202] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13202] setpgid(0, 0)               = 0
[pid 13202] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13202] write(3, "1000", 4)         = 4
[pid 13202] close(3)                    = 0
[pid 13202] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13202] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13202] pipe2([3, 4], 0)            = 0
[pid 13202] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13202] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13202] sync()                      = 0
[pid 13202] exit_group(0)               = ?
[pid 13202] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13202, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13203
./strace-static-x86_64: Process 13203 attached
[pid 13203] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13203] setpgid(0, 0)               = 0
[pid 13203] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13203] write(3, "1000", 4)         = 4
[pid 13203] close(3)                    = 0
[pid 13203] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13203] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13203] pipe2([3, 4], 0)            = 0
[pid 13203] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13203] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13203] sync()                      = 0
[pid 13203] exit_group(0)               = ?
[pid 13203] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13203, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13204
./strace-static-x86_64: Process 13204 attached
[pid 13204] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13204] setpgid(0, 0)               = 0
[pid 13204] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13204] write(3, "1000", 4)         = 4
[pid 13204] close(3)                    = 0
[pid 13204] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13204] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13204] pipe2([3, 4], 0)            = 0
[pid 13204] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13204] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13204] sync()                      = 0
[pid 13204] exit_group(0)               = ?
[pid 13204] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13204, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13205 attached
, child_tidptr=0x555555bcb690) = 13205
[pid 13205] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13205] setpgid(0, 0)               = 0
[pid 13205] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13205] write(3, "1000", 4)         = 4
[pid 13205] close(3)                    = 0
[pid 13205] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13205] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13205] pipe2([3, 4], 0)            = 0
[pid 13205] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13205] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13205] sync()                      = 0
[pid 13205] exit_group(0)               = ?
[pid 13205] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13205, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13206 attached
, child_tidptr=0x555555bcb690) = 13206
[pid 13206] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13206] setpgid(0, 0)               = 0
[pid 13206] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13206] write(3, "1000", 4)         = 4
[pid 13206] close(3)                    = 0
[pid 13206] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13206] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13206] pipe2([3, 4], 0)            = 0
[pid 13206] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13206] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13206] sync()                      = 0
[pid 13206] exit_group(0)               = ?
[pid 13206] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13206, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13207 attached
, child_tidptr=0x555555bcb690) = 13207
[pid 13207] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13207] setpgid(0, 0)               = 0
[pid 13207] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13207] write(3, "1000", 4)         = 4
[pid 13207] close(3)                    = 0
[pid 13207] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13207] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13207] pipe2([3, 4], 0)            = 0
[pid 13207] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13207] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13207] sync()                      = 0
[pid 13207] exit_group(0)               = ?
[pid 13207] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13207, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13208
./strace-static-x86_64: Process 13208 attached
[pid 13208] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13208] setpgid(0, 0)               = 0
[pid 13208] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13208] write(3, "1000", 4)         = 4
[pid 13208] close(3)                    = 0
[pid 13208] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13208] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13208] pipe2([3, 4], 0)            = 0
[pid 13208] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13208] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13208] sync()                      = 0
[pid 13208] exit_group(0)               = ?
[pid 13208] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13208, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13209 attached
, child_tidptr=0x555555bcb690) = 13209
[pid 13209] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13209] setpgid(0, 0)               = 0
[pid 13209] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13209] write(3, "1000", 4)         = 4
[pid 13209] close(3)                    = 0
[pid 13209] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13209] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13209] pipe2([3, 4], 0)            = 0
[pid 13209] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13209] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13209] sync()                      = 0
[pid 13209] exit_group(0)               = ?
[pid 13209] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13209, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13210 attached
, child_tidptr=0x555555bcb690) = 13210
[pid 13210] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13210] setpgid(0, 0)               = 0
[pid 13210] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13210] write(3, "1000", 4)         = 4
[pid 13210] close(3)                    = 0
[pid 13210] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13210] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13210] pipe2([3, 4], 0)            = 0
[pid 13210] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13210] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13210] sync()                      = 0
[pid 13210] exit_group(0)               = ?
[pid 13210] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13210, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13211 attached
, child_tidptr=0x555555bcb690) = 13211
[pid 13211] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13211] setpgid(0, 0)               = 0
[pid 13211] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13211] write(3, "1000", 4)         = 4
[pid 13211] close(3)                    = 0
[pid 13211] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13211] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13211] pipe2([3, 4], 0)            = 0
[pid 13211] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13211] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13211] sync()                      = 0
[pid 13211] exit_group(0)               = ?
[pid 13211] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13211, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13212 attached
, child_tidptr=0x555555bcb690) = 13212
[pid 13212] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13212] setpgid(0, 0)               = 0
[pid 13212] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13212] write(3, "1000", 4)         = 4
[pid 13212] close(3)                    = 0
[pid 13212] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13212] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13212] pipe2([3, 4], 0)            = 0
[pid 13212] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13212] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13212] sync()                      = 0
[pid 13212] exit_group(0)               = ?
[pid 13212] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13212, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13213
./strace-static-x86_64: Process 13213 attached
[pid 13213] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13213] setpgid(0, 0)               = 0
[pid 13213] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13213] write(3, "1000", 4)         = 4
[pid 13213] close(3)                    = 0
[pid 13213] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13213] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13213] pipe2([3, 4], 0)            = 0
[pid 13213] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13213] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13213] sync()                      = 0
[pid 13213] exit_group(0)               = ?
[pid 13213] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13213, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13214
./strace-static-x86_64: Process 13214 attached
[pid 13214] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13214] setpgid(0, 0)               = 0
[pid 13214] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13214] write(3, "1000", 4)         = 4
[pid 13214] close(3)                    = 0
[pid 13214] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13214] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13214] pipe2([3, 4], 0)            = 0
[pid 13214] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13214] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13214] sync()                      = 0
[pid 13214] exit_group(0)               = ?
[pid 13214] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13214, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13215
./strace-static-x86_64: Process 13215 attached
[pid 13215] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13215] setpgid(0, 0)               = 0
[pid 13215] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13215] write(3, "1000", 4)         = 4
[pid 13215] close(3)                    = 0
[pid 13215] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13215] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13215] pipe2([3, 4], 0)            = 0
[pid 13215] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13215] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13215] sync()                      = 0
[pid 13215] exit_group(0)               = ?
[pid 13215] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13215, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13216 attached
, child_tidptr=0x555555bcb690) = 13216
[pid 13216] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13216] setpgid(0, 0)               = 0
[pid 13216] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13216] write(3, "1000", 4)         = 4
[pid 13216] close(3)                    = 0
[pid 13216] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13216] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13216] pipe2([3, 4], 0)            = 0
[pid 13216] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13216] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13216] sync()                      = 0
[pid 13216] exit_group(0)               = ?
[pid 13216] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13216, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13217 attached
, child_tidptr=0x555555bcb690) = 13217
[pid 13217] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13217] setpgid(0, 0)               = 0
[pid 13217] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13217] write(3, "1000", 4)         = 4
[pid 13217] close(3)                    = 0
[pid 13217] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13217] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13217] pipe2([3, 4], 0)            = 0
[pid 13217] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13217] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13217] sync()                      = 0
[pid 13217] exit_group(0)               = ?
[pid 13217] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13217, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13218
./strace-static-x86_64: Process 13218 attached
[pid 13218] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13218] setpgid(0, 0)               = 0
[pid 13218] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13218] write(3, "1000", 4)         = 4
[pid 13218] close(3)                    = 0
[pid 13218] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13218] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13218] pipe2([3, 4], 0)            = 0
[pid 13218] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13218] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13218] sync()                      = 0
[pid 13218] exit_group(0)               = ?
[pid 13218] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13218, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13219 attached
, child_tidptr=0x555555bcb690) = 13219
[pid 13219] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13219] setpgid(0, 0)               = 0
[pid 13219] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13219] write(3, "1000", 4)         = 4
[pid 13219] close(3)                    = 0
[pid 13219] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13219] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13219] pipe2([3, 4], 0)            = 0
[pid 13219] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13219] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13219] sync()                      = 0
[pid 13219] exit_group(0)               = ?
[pid 13219] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13219, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13220
./strace-static-x86_64: Process 13220 attached
[pid 13220] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13220] setpgid(0, 0)               = 0
[pid 13220] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13220] write(3, "1000", 4)         = 4
[pid 13220] close(3)                    = 0
[pid 13220] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13220] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13220] pipe2([3, 4], 0)            = 0
[pid 13220] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13220] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13220] sync()                      = 0
[pid 13220] exit_group(0)               = ?
[pid 13220] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13220, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13221 attached
, child_tidptr=0x555555bcb690) = 13221
[pid 13221] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13221] setpgid(0, 0)               = 0
[pid 13221] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13221] write(3, "1000", 4)         = 4
[pid 13221] close(3)                    = 0
[pid 13221] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13221] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13221] pipe2([3, 4], 0)            = 0
[pid 13221] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13221] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13221] sync()                      = 0
[pid 13221] exit_group(0)               = ?
[pid 13221] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13221, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13222 attached
, child_tidptr=0x555555bcb690) = 13222
[pid 13222] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13222] setpgid(0, 0)               = 0
[pid 13222] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13222] write(3, "1000", 4)         = 4
[pid 13222] close(3)                    = 0
[pid 13222] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13222] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13222] pipe2([3, 4], 0)            = 0
[pid 13222] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13222] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13222] sync()                      = 0
[pid 13222] exit_group(0)               = ?
[pid 13222] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13222, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13223 attached
, child_tidptr=0x555555bcb690) = 13223
[pid 13223] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13223] setpgid(0, 0)               = 0
[pid 13223] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13223] write(3, "1000", 4)         = 4
[pid 13223] close(3)                    = 0
[pid 13223] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13223] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13223] pipe2([3, 4], 0)            = 0
[pid 13223] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13223] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13223] sync()                      = 0
[pid 13223] exit_group(0)               = ?
[pid 13223] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13223, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13224 attached
, child_tidptr=0x555555bcb690) = 13224
[pid 13224] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13224] setpgid(0, 0)               = 0
[pid 13224] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13224] write(3, "1000", 4)         = 4
[pid 13224] close(3)                    = 0
[pid 13224] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13224] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13224] pipe2([3, 4], 0)            = 0
[pid 13224] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13224] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13224] sync()                      = 0
[pid 13224] exit_group(0)               = ?
[pid 13224] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13224, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13225
./strace-static-x86_64: Process 13225 attached
[pid 13225] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13225] setpgid(0, 0)               = 0
[pid 13225] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13225] write(3, "1000", 4)         = 4
[pid 13225] close(3)                    = 0
[pid 13225] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13225] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13225] pipe2([3, 4], 0)            = 0
[pid 13225] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13225] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13225] sync()                      = 0
[pid 13225] exit_group(0)               = ?
[pid 13225] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13225, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13226 attached
, child_tidptr=0x555555bcb690) = 13226
[pid 13226] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13226] setpgid(0, 0)               = 0
[pid 13226] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13226] write(3, "1000", 4)         = 4
[pid 13226] close(3)                    = 0
[pid 13226] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13226] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13226] pipe2([3, 4], 0)            = 0
[pid 13226] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13226] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13226] sync()                      = 0
[pid 13226] exit_group(0)               = ?
[pid 13226] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13226, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13227
./strace-static-x86_64: Process 13227 attached
[pid 13227] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13227] setpgid(0, 0)               = 0
[pid 13227] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13227] write(3, "1000", 4)         = 4
[pid 13227] close(3)                    = 0
[pid 13227] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13227] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13227] pipe2([3, 4], 0)            = 0
[pid 13227] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13227] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13227] sync()                      = 0
[pid 13227] exit_group(0)               = ?
[pid 13227] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13227, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13228 attached
, child_tidptr=0x555555bcb690) = 13228
[pid 13228] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13228] setpgid(0, 0)               = 0
[pid 13228] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13228] write(3, "1000", 4)         = 4
[pid 13228] close(3)                    = 0
[pid 13228] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13228] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13228] pipe2([3, 4], 0)            = 0
[pid 13228] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13228] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13228] sync()                      = 0
[pid 13228] exit_group(0)               = ?
[pid 13228] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13228, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13229 attached
, child_tidptr=0x555555bcb690) = 13229
[pid 13229] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13229] setpgid(0, 0)               = 0
[pid 13229] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13229] write(3, "1000", 4)         = 4
[pid 13229] close(3)                    = 0
[pid 13229] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13229] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13229] pipe2([3, 4], 0)            = 0
[pid 13229] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13229] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13229] sync()                      = 0
[pid 13229] exit_group(0)               = ?
[pid 13229] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13229, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13230
./strace-static-x86_64: Process 13230 attached
[pid 13230] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13230] setpgid(0, 0)               = 0
[pid 13230] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13230] write(3, "1000", 4)         = 4
[pid 13230] close(3)                    = 0
[pid 13230] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13230] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13230] pipe2([3, 4], 0)            = 0
[pid 13230] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13230] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13230] sync()                      = 0
[pid 13230] exit_group(0)               = ?
[pid 13230] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13230, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13231 attached
 <unfinished ...>
[pid 13231] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13231] setpgid(0, 0)               = 0
[pid 13231] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13231] write(3, "1000", 4)         = 4
[pid 13231] close(3)                    = 0
[pid 13231] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13231] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13231] pipe2([3, 4], 0)            = 0
[pid 13231] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13231] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," <unfinished ...>
[pid  3603] <... clone resumed>, child_tidptr=0x555555bcb690) = 13231
[pid 13231] <... mount resumed>)        = -1 EINVAL (Invalid argument)
[pid 13231] sync()                      = 0
[pid 13231] exit_group(0)               = ?
[pid 13231] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13231, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13232
./strace-static-x86_64: Process 13232 attached
[pid 13232] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13232] setpgid(0, 0)               = 0
[pid 13232] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13232] write(3, "1000", 4)         = 4
[pid 13232] close(3)                    = 0
[pid 13232] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13232] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13232] pipe2([3, 4], 0)            = 0
[pid 13232] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13232] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13232] sync()                      = 0
[pid 13232] exit_group(0)               = ?
[pid 13232] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13232, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13233 attached
, child_tidptr=0x555555bcb690) = 13233
[pid 13233] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13233] setpgid(0, 0)               = 0
[pid 13233] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13233] write(3, "1000", 4)         = 4
[pid 13233] close(3)                    = 0
[pid 13233] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13233] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13233] pipe2([3, 4], 0)            = 0
[pid 13233] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13233] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13233] sync()                      = 0
[pid 13233] exit_group(0)               = ?
[pid 13233] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13233, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13234 attached
, child_tidptr=0x555555bcb690) = 13234
[pid 13234] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13234] setpgid(0, 0)               = 0
[pid 13234] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13234] write(3, "1000", 4)         = 4
[pid 13234] close(3)                    = 0
[pid 13234] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13234] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13234] pipe2([3, 4], 0)            = 0
[pid 13234] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13234] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13234] sync()                      = 0
[pid 13234] exit_group(0)               = ?
[pid 13234] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13234, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13235
./strace-static-x86_64: Process 13235 attached
[pid 13235] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13235] setpgid(0, 0)               = 0
[pid 13235] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13235] write(3, "1000", 4)         = 4
[pid 13235] close(3)                    = 0
[pid 13235] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13235] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13235] pipe2([3, 4], 0)            = 0
[pid 13235] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13235] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13235] sync()                      = 0
[pid 13235] exit_group(0)               = ?
[pid 13235] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13235, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13236 attached
, child_tidptr=0x555555bcb690) = 13236
[pid 13236] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13236] setpgid(0, 0)               = 0
[pid 13236] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13236] write(3, "1000", 4)         = 4
[pid 13236] close(3)                    = 0
[pid 13236] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13236] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13236] pipe2([3, 4], 0)            = 0
[pid 13236] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13236] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13236] sync()                      = 0
[pid 13236] exit_group(0)               = ?
[pid 13236] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13236, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13237
./strace-static-x86_64: Process 13237 attached
[pid 13237] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13237] setpgid(0, 0)               = 0
[pid 13237] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13237] write(3, "1000", 4)         = 4
[pid 13237] close(3)                    = 0
[pid 13237] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13237] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13237] pipe2([3, 4], 0)            = 0
[pid 13237] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13237] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13237] sync()                      = 0
[pid 13237] exit_group(0)               = ?
[pid 13237] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13237, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13238
./strace-static-x86_64: Process 13238 attached
[pid 13238] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13238] setpgid(0, 0)               = 0
[pid 13238] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13238] write(3, "1000", 4)         = 4
[pid 13238] close(3)                    = 0
[pid 13238] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13238] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13238] pipe2([3, 4], 0)            = 0
[pid 13238] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13238] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13238] sync()                      = 0
[pid 13238] exit_group(0)               = ?
[pid 13238] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13238, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13239 attached
, child_tidptr=0x555555bcb690) = 13239
[pid 13239] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13239] setpgid(0, 0)               = 0
[pid 13239] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13239] write(3, "1000", 4)         = 4
[pid 13239] close(3)                    = 0
[pid 13239] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13239] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13239] pipe2([3, 4], 0)            = 0
[pid 13239] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13239] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13239] sync()                      = 0
[pid 13239] exit_group(0)               = ?
[pid 13239] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13239, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13240 attached
, child_tidptr=0x555555bcb690) = 13240
[pid 13240] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13240] setpgid(0, 0)               = 0
[pid 13240] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13240] write(3, "1000", 4)         = 4
[pid 13240] close(3)                    = 0
[pid 13240] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13240] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13240] pipe2([3, 4], 0)            = 0
[pid 13240] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13240] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13240] sync()                      = 0
[pid 13240] exit_group(0)               = ?
[pid 13240] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13240, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13241 attached
, child_tidptr=0x555555bcb690) = 13241
[pid 13241] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13241] setpgid(0, 0)               = 0
[pid 13241] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13241] write(3, "1000", 4)         = 4
[pid 13241] close(3)                    = 0
[pid 13241] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13241] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13241] pipe2([3, 4], 0)            = 0
[pid 13241] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13241] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13241] sync()                      = 0
[pid 13241] exit_group(0)               = ?
[pid 13241] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13241, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13242
./strace-static-x86_64: Process 13242 attached
[pid 13242] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13242] setpgid(0, 0)               = 0
[pid 13242] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13242] write(3, "1000", 4)         = 4
[pid 13242] close(3)                    = 0
[pid 13242] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13242] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13242] pipe2([3, 4], 0)            = 0
[pid 13242] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13242] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13242] sync()                      = 0
[pid 13242] exit_group(0)               = ?
[pid 13242] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13242, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13243 attached
, child_tidptr=0x555555bcb690) = 13243
[pid 13243] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13243] setpgid(0, 0)               = 0
[pid 13243] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13243] write(3, "1000", 4)         = 4
[pid 13243] close(3)                    = 0
[pid 13243] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13243] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13243] pipe2([3, 4], 0)            = 0
[pid 13243] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13243] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13243] sync()                      = 0
[pid 13243] exit_group(0)               = ?
[pid 13243] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13243, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13244
./strace-static-x86_64: Process 13244 attached
[pid 13244] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13244] setpgid(0, 0)               = 0
[pid 13244] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13244] write(3, "1000", 4)         = 4
[pid 13244] close(3)                    = 0
[pid 13244] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13244] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13244] pipe2([3, 4], 0)            = 0
[pid 13244] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13244] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13244] sync()                      = 0
[pid 13244] exit_group(0)               = ?
[pid 13244] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13244, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13245 attached
, child_tidptr=0x555555bcb690) = 13245
[pid 13245] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13245] setpgid(0, 0)               = 0
[pid 13245] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13245] write(3, "1000", 4)         = 4
[pid 13245] close(3)                    = 0
[pid 13245] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13245] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13245] pipe2([3, 4], 0)            = 0
[pid 13245] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13245] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13245] sync()                      = 0
[pid 13245] exit_group(0)               = ?
[pid 13245] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13245, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13246
./strace-static-x86_64: Process 13246 attached
[pid 13246] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13246] setpgid(0, 0)               = 0
[pid 13246] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13246] write(3, "1000", 4)         = 4
[pid 13246] close(3)                    = 0
[pid 13246] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13246] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13246] pipe2([3, 4], 0)            = 0
[pid 13246] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13246] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13246] sync()                      = 0
[pid 13246] exit_group(0)               = ?
[pid 13246] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13246, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13247
./strace-static-x86_64: Process 13247 attached
[pid 13247] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13247] setpgid(0, 0)               = 0
[pid 13247] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13247] write(3, "1000", 4)         = 4
[pid 13247] close(3)                    = 0
[pid 13247] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13247] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13247] pipe2([3, 4], 0)            = 0
[pid 13247] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13247] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13247] sync()                      = 0
[pid 13247] exit_group(0)               = ?
[pid 13247] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13247, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13248 attached
 <unfinished ...>
[pid 13248] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13248] setpgid(0, 0)               = 0
[pid 13248] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3603] <... clone resumed>, child_tidptr=0x555555bcb690) = 13248
[pid 13248] <... openat resumed>)       = 3
[pid 13248] write(3, "1000", 4)         = 4
[pid 13248] close(3)                    = 0
[pid 13248] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13248] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13248] pipe2([3, 4], 0)            = 0
[pid 13248] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13248] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13248] sync()                      = 0
[pid 13248] exit_group(0)               = ?
[pid 13248] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13248, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13249
./strace-static-x86_64: Process 13249 attached
[pid 13249] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13249] setpgid(0, 0)               = 0
[pid 13249] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13249] write(3, "1000", 4)         = 4
[pid 13249] close(3)                    = 0
[pid 13249] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13249] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13249] pipe2([3, 4], 0)            = 0
[pid 13249] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13249] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13249] sync()                      = 0
[pid 13249] exit_group(0)               = ?
[pid 13249] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13249, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13250
./strace-static-x86_64: Process 13250 attached
[pid 13250] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13250] setpgid(0, 0)               = 0
[pid 13250] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13250] write(3, "1000", 4)         = 4
[pid 13250] close(3)                    = 0
[pid 13250] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13250] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13250] pipe2([3, 4], 0)            = 0
[pid 13250] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13250] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13250] sync()                      = 0
[pid 13250] exit_group(0)               = ?
[pid 13250] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13250, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13251
./strace-static-x86_64: Process 13251 attached
[pid 13251] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13251] setpgid(0, 0)               = 0
[pid 13251] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13251] write(3, "1000", 4)         = 4
[pid 13251] close(3)                    = 0
[pid 13251] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13251] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13251] pipe2([3, 4], 0)            = 0
[pid 13251] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13251] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13251] sync()                      = 0
[pid 13251] exit_group(0)               = ?
[pid 13251] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13251, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13252 attached
, child_tidptr=0x555555bcb690) = 13252
[pid 13252] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13252] setpgid(0, 0)               = 0
[pid 13252] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13252] write(3, "1000", 4)         = 4
[pid 13252] close(3)                    = 0
[pid 13252] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13252] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13252] pipe2([3, 4], 0)            = 0
[pid 13252] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13252] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13252] sync()                      = 0
[pid 13252] exit_group(0)               = ?
[pid 13252] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13252, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13253
./strace-static-x86_64: Process 13253 attached
[pid 13253] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13253] setpgid(0, 0)               = 0
[pid 13253] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13253] write(3, "1000", 4)         = 4
[pid 13253] close(3)                    = 0
[pid 13253] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13253] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13253] pipe2([3, 4], 0)            = 0
[pid 13253] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13253] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13253] sync()                      = 0
[pid 13253] exit_group(0)               = ?
[pid 13253] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13253, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13254
./strace-static-x86_64: Process 13254 attached
[pid 13254] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13254] setpgid(0, 0)               = 0
[pid 13254] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13254] write(3, "1000", 4)         = 4
[pid 13254] close(3)                    = 0
[pid 13254] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13254] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13254] pipe2([3, 4], 0)            = 0
[pid 13254] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13254] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13254] sync()                      = 0
[pid 13254] exit_group(0)               = ?
[pid 13254] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13254, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13255
./strace-static-x86_64: Process 13255 attached
[pid 13255] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13255] setpgid(0, 0)               = 0
[pid 13255] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13255] write(3, "1000", 4)         = 4
[pid 13255] close(3)                    = 0
[pid 13255] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13255] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13255] pipe2([3, 4], 0)            = 0
[pid 13255] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13255] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13255] sync()                      = 0
[pid 13255] exit_group(0)               = ?
[pid 13255] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13255, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13256
./strace-static-x86_64: Process 13256 attached
[pid 13256] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13256] setpgid(0, 0)               = 0
[pid 13256] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13256] write(3, "1000", 4)         = 4
[pid 13256] close(3)                    = 0
[pid 13256] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13256] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13256] pipe2([3, 4], 0)            = 0
[pid 13256] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13256] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13256] sync()                      = 0
[pid 13256] exit_group(0)               = ?
[pid 13256] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13256, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13257 attached
, child_tidptr=0x555555bcb690) = 13257
[pid 13257] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13257] setpgid(0, 0)               = 0
[pid 13257] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13257] write(3, "1000", 4)         = 4
[pid 13257] close(3)                    = 0
[pid 13257] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13257] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13257] pipe2([3, 4], 0)            = 0
[pid 13257] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13257] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13257] sync()                      = 0
[pid 13257] exit_group(0)               = ?
[pid 13257] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13257, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13258
./strace-static-x86_64: Process 13258 attached
[pid 13258] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13258] setpgid(0, 0)               = 0
[pid 13258] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13258] write(3, "1000", 4)         = 4
[pid 13258] close(3)                    = 0
[pid 13258] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13258] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13258] pipe2([3, 4], 0)            = 0
[pid 13258] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13258] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13258] sync()                      = 0
[pid 13258] exit_group(0)               = ?
[pid 13258] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13258, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13259
./strace-static-x86_64: Process 13259 attached
[pid 13259] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13259] setpgid(0, 0)               = 0
[pid 13259] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13259] write(3, "1000", 4)         = 4
[pid 13259] close(3)                    = 0
[pid 13259] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13259] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13259] pipe2([3, 4], 0)            = 0
[pid 13259] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13259] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13259] sync()                      = 0
[pid 13259] exit_group(0)               = ?
[pid 13259] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13259, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13260 attached
, child_tidptr=0x555555bcb690) = 13260
[pid 13260] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13260] setpgid(0, 0)               = 0
[pid 13260] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13260] write(3, "1000", 4)         = 4
[pid 13260] close(3)                    = 0
[pid 13260] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13260] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13260] pipe2([3, 4], 0)            = 0
[pid 13260] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13260] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13260] sync()                      = 0
[pid 13260] exit_group(0)               = ?
[pid 13260] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13260, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13261
./strace-static-x86_64: Process 13261 attached
[pid 13261] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13261] setpgid(0, 0)               = 0
[pid 13261] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13261] write(3, "1000", 4)         = 4
[pid 13261] close(3)                    = 0
[pid 13261] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13261] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13261] pipe2([3, 4], 0)            = 0
[pid 13261] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13261] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13261] sync()                      = 0
[pid 13261] exit_group(0)               = ?
[pid 13261] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13261, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13262 attached
 <unfinished ...>
[pid 13262] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3603] <... clone resumed>, child_tidptr=0x555555bcb690) = 13262
[pid 13262] setpgid(0, 0)               = 0
[pid 13262] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13262] write(3, "1000", 4)         = 4
[pid 13262] close(3)                    = 0
[pid 13262] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13262] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13262] pipe2([3, 4], 0)            = 0
[pid 13262] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13262] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13262] sync()                      = 0
[pid 13262] exit_group(0)               = ?
[pid 13262] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13262, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13263 attached
, child_tidptr=0x555555bcb690) = 13263
[pid 13263] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13263] setpgid(0, 0)               = 0
[pid 13263] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13263] write(3, "1000", 4)         = 4
[pid 13263] close(3)                    = 0
[pid 13263] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13263] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13263] pipe2([3, 4], 0)            = 0
[pid 13263] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13263] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13263] sync()                      = 0
[pid 13263] exit_group(0)               = ?
[pid 13263] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13263, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13264 attached
, child_tidptr=0x555555bcb690) = 13264
[pid 13264] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13264] setpgid(0, 0)               = 0
[pid 13264] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13264] write(3, "1000", 4)         = 4
[pid 13264] close(3)                    = 0
[pid 13264] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13264] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13264] pipe2([3, 4], 0)            = 0
[pid 13264] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13264] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13264] sync()                      = 0
[pid 13264] exit_group(0)               = ?
[pid 13264] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13264, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13265 attached
, child_tidptr=0x555555bcb690) = 13265
[pid 13265] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13265] setpgid(0, 0)               = 0
[pid 13265] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13265] write(3, "1000", 4)         = 4
[pid 13265] close(3)                    = 0
[pid 13265] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13265] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13265] pipe2([3, 4], 0)            = 0
[pid 13265] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13265] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13265] sync()                      = 0
[pid 13265] exit_group(0)               = ?
[pid 13265] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13265, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13266 attached
, child_tidptr=0x555555bcb690) = 13266
[pid 13266] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13266] setpgid(0, 0)               = 0
[pid 13266] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13266] write(3, "1000", 4)         = 4
[pid 13266] close(3)                    = 0
[pid 13266] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13266] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13266] pipe2([3, 4], 0)            = 0
[pid 13266] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13266] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13266] sync()                      = 0
[pid 13266] exit_group(0)               = ?
[pid 13266] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13266, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13267 attached
, child_tidptr=0x555555bcb690) = 13267
[pid 13267] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13267] setpgid(0, 0)               = 0
[pid 13267] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13267] write(3, "1000", 4)         = 4
[pid 13267] close(3)                    = 0
[pid 13267] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13267] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13267] pipe2([3, 4], 0)            = 0
[pid 13267] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13267] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13267] sync()                      = 0
[pid 13267] exit_group(0)               = ?
[pid 13267] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13267, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13268
./strace-static-x86_64: Process 13268 attached
[pid 13268] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13268] setpgid(0, 0)               = 0
[pid 13268] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13268] write(3, "1000", 4)         = 4
[pid 13268] close(3)                    = 0
[pid 13268] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13268] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13268] pipe2([3, 4], 0)            = 0
[pid 13268] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13268] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13268] sync()                      = 0
[pid 13268] exit_group(0)               = ?
[pid 13268] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13268, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13269
./strace-static-x86_64: Process 13269 attached
[pid 13269] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13269] setpgid(0, 0)               = 0
[pid 13269] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13269] write(3, "1000", 4)         = 4
[pid 13269] close(3)                    = 0
[pid 13269] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13269] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13269] pipe2([3, 4], 0)            = 0
[pid 13269] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13269] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13269] sync()                      = 0
[pid 13269] exit_group(0)               = ?
[pid 13269] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13269, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13270
./strace-static-x86_64: Process 13270 attached
[pid 13270] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13270] setpgid(0, 0)               = 0
[pid 13270] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13270] write(3, "1000", 4)         = 4
[pid 13270] close(3)                    = 0
[pid 13270] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13270] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13270] pipe2([3, 4], 0)            = 0
[pid 13270] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13270] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13270] sync()                      = 0
[pid 13270] exit_group(0)               = ?
[pid 13270] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13270, si_uid=0, si_status=0, si_utime=1, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13271 attached
, child_tidptr=0x555555bcb690) = 13271
[pid 13271] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13271] setpgid(0, 0)               = 0
[pid 13271] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13271] write(3, "1000", 4)         = 4
[pid 13271] close(3)                    = 0
[pid 13271] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13271] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13271] pipe2([3, 4], 0)            = 0
[pid 13271] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13271] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13271] sync()                      = 0
[pid 13271] exit_group(0)               = ?
[pid 13271] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13271, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13272
./strace-static-x86_64: Process 13272 attached
[pid 13272] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13272] setpgid(0, 0)               = 0
[pid 13272] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13272] write(3, "1000", 4)         = 4
[pid 13272] close(3)                    = 0
[pid 13272] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13272] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13272] pipe2([3, 4], 0)            = 0
[pid 13272] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13272] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13272] sync()                      = 0
[pid 13272] exit_group(0)               = ?
[pid 13272] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13272, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13273
./strace-static-x86_64: Process 13273 attached
[pid 13273] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13273] setpgid(0, 0)               = 0
[pid 13273] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13273] write(3, "1000", 4)         = 4
[pid 13273] close(3)                    = 0
[pid 13273] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13273] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13273] pipe2([3, 4], 0)            = 0
[pid 13273] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13273] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13273] sync()                      = 0
[pid 13273] exit_group(0)               = ?
[pid 13273] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13273, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13274
./strace-static-x86_64: Process 13274 attached
[pid 13274] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13274] setpgid(0, 0)               = 0
[pid 13274] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13274] write(3, "1000", 4)         = 4
[pid 13274] close(3)                    = 0
[pid 13274] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13274] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13274] pipe2([3, 4], 0)            = 0
[pid 13274] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13274] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13274] sync()                      = 0
[pid 13274] exit_group(0)               = ?
[pid 13274] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13274, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13275 attached
, child_tidptr=0x555555bcb690) = 13275
[pid 13275] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13275] setpgid(0, 0)               = 0
[pid 13275] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13275] write(3, "1000", 4)         = 4
[pid 13275] close(3)                    = 0
[pid 13275] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13275] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13275] pipe2([3, 4], 0)            = 0
[pid 13275] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13275] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13275] sync()                      = 0
[pid 13275] exit_group(0)               = ?
[pid 13275] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13275, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13276 attached
, child_tidptr=0x555555bcb690) = 13276
[pid 13276] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13276] setpgid(0, 0)               = 0
[pid 13276] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13276] write(3, "1000", 4)         = 4
[pid 13276] close(3)                    = 0
[pid 13276] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13276] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13276] pipe2([3, 4], 0)            = 0
[pid 13276] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13276] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13276] sync()                      = 0
[pid 13276] exit_group(0)               = ?
[pid 13276] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13276, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13277
./strace-static-x86_64: Process 13277 attached
[pid 13277] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13277] setpgid(0, 0)               = 0
[pid 13277] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13277] write(3, "1000", 4)         = 4
[pid 13277] close(3)                    = 0
[pid 13277] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13277] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13277] pipe2([3, 4], 0)            = 0
[pid 13277] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13277] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13277] sync()                      = 0
[pid 13277] exit_group(0)               = ?
[pid 13277] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13277, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13278 attached
, child_tidptr=0x555555bcb690) = 13278
[pid 13278] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13278] setpgid(0, 0)               = 0
[pid 13278] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13278] write(3, "1000", 4)         = 4
[pid 13278] close(3)                    = 0
[pid 13278] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13278] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13278] pipe2([3, 4], 0)            = 0
[pid 13278] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13278] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13278] sync()                      = 0
[pid 13278] exit_group(0)               = ?
[pid 13278] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13278, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13279 attached
, child_tidptr=0x555555bcb690) = 13279
[pid 13279] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13279] setpgid(0, 0)               = 0
[pid 13279] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13279] write(3, "1000", 4)         = 4
[pid 13279] close(3)                    = 0
[pid 13279] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13279] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13279] pipe2([3, 4], 0)            = 0
[pid 13279] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13279] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13279] sync()                      = 0
[pid 13279] exit_group(0)               = ?
[pid 13279] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13279, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13280 attached
, child_tidptr=0x555555bcb690) = 13280
[pid 13280] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13280] setpgid(0, 0)               = 0
[pid 13280] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13280] write(3, "1000", 4)         = 4
[pid 13280] close(3)                    = 0
[pid 13280] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13280] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13280] pipe2([3, 4], 0)            = 0
[pid 13280] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13280] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13280] sync()                      = 0
[pid 13280] exit_group(0)               = ?
[pid 13280] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13280, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13281 attached
, child_tidptr=0x555555bcb690) = 13281
[pid 13281] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13281] setpgid(0, 0)               = 0
[pid 13281] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13281] write(3, "1000", 4)         = 4
[pid 13281] close(3)                    = 0
[pid 13281] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13281] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13281] pipe2([3, 4], 0)            = 0
[pid 13281] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13281] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13281] sync()                      = 0
[pid 13281] exit_group(0)               = ?
[pid 13281] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13281, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13282 attached
, child_tidptr=0x555555bcb690) = 13282
[pid 13282] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13282] setpgid(0, 0)               = 0
[pid 13282] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13282] write(3, "1000", 4)         = 4
[pid 13282] close(3)                    = 0
[pid 13282] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13282] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13282] pipe2([3, 4], 0)            = 0
[pid 13282] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13282] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13282] sync()                      = 0
[pid 13282] exit_group(0)               = ?
[pid 13282] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13282, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13283
./strace-static-x86_64: Process 13283 attached
[pid 13283] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13283] setpgid(0, 0)               = 0
[pid 13283] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13283] write(3, "1000", 4)         = 4
[pid 13283] close(3)                    = 0
[pid 13283] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13283] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13283] pipe2([3, 4], 0)            = 0
[pid 13283] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13283] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13283] sync()                      = 0
[pid 13283] exit_group(0)               = ?
[pid 13283] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13283, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13284
./strace-static-x86_64: Process 13284 attached
[pid 13284] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13284] setpgid(0, 0)               = 0
[pid 13284] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13284] write(3, "1000", 4)         = 4
[pid 13284] close(3)                    = 0
[pid 13284] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13284] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13284] pipe2([3, 4], 0)            = 0
[pid 13284] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13284] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13284] sync()                      = 0
[pid 13284] exit_group(0)               = ?
[pid 13284] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13284, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13285
./strace-static-x86_64: Process 13285 attached
[pid 13285] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13285] setpgid(0, 0)               = 0
[pid 13285] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13285] write(3, "1000", 4)         = 4
[pid 13285] close(3)                    = 0
[pid 13285] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13285] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13285] pipe2([3, 4], 0)            = 0
[pid 13285] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13285] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13285] sync()                      = 0
[pid 13285] exit_group(0)               = ?
[pid 13285] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13285, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13286
./strace-static-x86_64: Process 13286 attached
[pid 13286] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13286] setpgid(0, 0)               = 0
[pid 13286] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13286] write(3, "1000", 4)         = 4
[pid 13286] close(3)                    = 0
[pid 13286] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13286] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13286] pipe2([3, 4], 0)            = 0
[pid 13286] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13286] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13286] sync()                      = 0
[pid 13286] exit_group(0)               = ?
[pid 13286] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13286, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13287 attached
, child_tidptr=0x555555bcb690) = 13287
[pid 13287] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13287] setpgid(0, 0)               = 0
[pid 13287] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13287] write(3, "1000", 4)         = 4
[pid 13287] close(3)                    = 0
[pid 13287] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13287] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13287] pipe2([3, 4], 0)            = 0
[pid 13287] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13287] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13287] sync()                      = 0
[pid 13287] exit_group(0)               = ?
[pid 13287] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13287, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13288
./strace-static-x86_64: Process 13288 attached
[pid 13288] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13288] setpgid(0, 0)               = 0
[pid 13288] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13288] write(3, "1000", 4)         = 4
[pid 13288] close(3)                    = 0
[pid 13288] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13288] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13288] pipe2([3, 4], 0)            = 0
[pid 13288] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13288] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13288] sync()                      = 0
[pid 13288] exit_group(0)               = ?
[pid 13288] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13288, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13289
./strace-static-x86_64: Process 13289 attached
[pid 13289] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13289] setpgid(0, 0)               = 0
[pid 13289] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13289] write(3, "1000", 4)         = 4
[pid 13289] close(3)                    = 0
[pid 13289] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13289] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13289] pipe2([3, 4], 0)            = 0
[pid 13289] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13289] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13289] sync()                      = 0
[pid 13289] exit_group(0)               = ?
[pid 13289] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13289, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13290 attached
, child_tidptr=0x555555bcb690) = 13290
[pid 13290] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13290] setpgid(0, 0)               = 0
[pid 13290] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13290] write(3, "1000", 4)         = 4
[pid 13290] close(3)                    = 0
[pid 13290] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13290] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13290] pipe2([3, 4], 0)            = 0
[pid 13290] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13290] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13290] sync()                      = 0
[pid 13290] exit_group(0)               = ?
[pid 13290] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13290, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13291 attached
, child_tidptr=0x555555bcb690) = 13291
[pid 13291] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13291] setpgid(0, 0)               = 0
[pid 13291] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13291] write(3, "1000", 4)         = 4
[pid 13291] close(3)                    = 0
[pid 13291] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13291] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13291] pipe2([3, 4], 0)            = 0
[pid 13291] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13291] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13291] sync()                      = 0
[pid 13291] exit_group(0)               = ?
[pid 13291] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13291, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13292
./strace-static-x86_64: Process 13292 attached
[pid 13292] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13292] setpgid(0, 0)               = 0
[pid 13292] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13292] write(3, "1000", 4)         = 4
[pid 13292] close(3)                    = 0
[pid 13292] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13292] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13292] pipe2([3, 4], 0)            = 0
[pid 13292] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13292] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13292] sync()                      = 0
[pid 13292] exit_group(0)               = ?
[pid 13292] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13292, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13293
./strace-static-x86_64: Process 13293 attached
[pid 13293] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13293] setpgid(0, 0)               = 0
[pid 13293] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13293] write(3, "1000", 4)         = 4
[pid 13293] close(3)                    = 0
[pid 13293] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13293] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13293] pipe2([3, 4], 0)            = 0
[pid 13293] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13293] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13293] sync()                      = 0
[pid 13293] exit_group(0)               = ?
[pid 13293] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13293, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13294
./strace-static-x86_64: Process 13294 attached
[pid 13294] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13294] setpgid(0, 0)               = 0
[pid 13294] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13294] write(3, "1000", 4)         = 4
[pid 13294] close(3)                    = 0
[pid 13294] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13294] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13294] pipe2([3, 4], 0)            = 0
[pid 13294] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13294] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13294] sync()                      = 0
[pid 13294] exit_group(0)               = ?
[pid 13294] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13294, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13295
./strace-static-x86_64: Process 13295 attached
[pid 13295] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13295] setpgid(0, 0)               = 0
[pid 13295] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13295] write(3, "1000", 4)         = 4
[pid 13295] close(3)                    = 0
[pid 13295] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13295] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13295] pipe2([3, 4], 0)            = 0
[pid 13295] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13295] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13295] sync()                      = 0
[pid 13295] exit_group(0)               = ?
[pid 13295] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13295, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13296 attached
, child_tidptr=0x555555bcb690) = 13296
[pid 13296] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13296] setpgid(0, 0)               = 0
[pid 13296] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13296] write(3, "1000", 4)         = 4
[pid 13296] close(3)                    = 0
[pid 13296] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13296] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13296] pipe2([3, 4], 0)            = 0
[pid 13296] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13296] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13296] sync()                      = 0
[pid 13296] exit_group(0)               = ?
[pid 13296] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13296, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13297 attached
, child_tidptr=0x555555bcb690) = 13297
[pid 13297] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13297] setpgid(0, 0)               = 0
[pid 13297] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13297] write(3, "1000", 4)         = 4
[pid 13297] close(3)                    = 0
[pid 13297] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13297] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13297] pipe2([3, 4], 0)            = 0
[pid 13297] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13297] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13297] sync()                      = 0
[pid 13297] exit_group(0)               = ?
[pid 13297] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13297, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13298
./strace-static-x86_64: Process 13298 attached
[pid 13298] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13298] setpgid(0, 0)               = 0
[pid 13298] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13298] write(3, "1000", 4)         = 4
[pid 13298] close(3)                    = 0
[pid 13298] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13298] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13298] pipe2([3, 4], 0)            = 0
[pid 13298] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13298] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13298] sync()                      = 0
[pid 13298] exit_group(0)               = ?
[pid 13298] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13298, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13299
./strace-static-x86_64: Process 13299 attached
[pid 13299] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13299] setpgid(0, 0)               = 0
[pid 13299] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13299] write(3, "1000", 4)         = 4
[pid 13299] close(3)                    = 0
[pid 13299] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13299] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13299] pipe2([3, 4], 0)            = 0
[pid 13299] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13299] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13299] sync()                      = 0
[pid 13299] exit_group(0)               = ?
[pid 13299] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13299, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13300 attached
, child_tidptr=0x555555bcb690) = 13300
[pid 13300] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13300] setpgid(0, 0)               = 0
[pid 13300] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13300] write(3, "1000", 4)         = 4
[pid 13300] close(3)                    = 0
[pid 13300] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13300] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13300] pipe2([3, 4], 0)            = 0
[pid 13300] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13300] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13300] sync()                      = 0
[pid 13300] exit_group(0)               = ?
[pid 13300] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13300, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13301
./strace-static-x86_64: Process 13301 attached
[pid 13301] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13301] setpgid(0, 0)               = 0
[pid 13301] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13301] write(3, "1000", 4)         = 4
[pid 13301] close(3)                    = 0
[pid 13301] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13301] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13301] pipe2([3, 4], 0)            = 0
[pid 13301] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13301] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13301] sync()                      = 0
[pid 13301] exit_group(0)               = ?
[pid 13301] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13301, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13302 attached
, child_tidptr=0x555555bcb690) = 13302
[pid 13302] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13302] setpgid(0, 0)               = 0
[pid 13302] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13302] write(3, "1000", 4)         = 4
[pid 13302] close(3)                    = 0
[pid 13302] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13302] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13302] pipe2([3, 4], 0)            = 0
[pid 13302] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13302] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13302] sync()                      = 0
[pid 13302] exit_group(0)               = ?
[pid 13302] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13302, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13303 attached
, child_tidptr=0x555555bcb690) = 13303
[pid 13303] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13303] setpgid(0, 0)               = 0
[pid 13303] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13303] write(3, "1000", 4)         = 4
[pid 13303] close(3)                    = 0
[pid 13303] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13303] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13303] pipe2([3, 4], 0)            = 0
[pid 13303] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13303] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13303] sync()                      = 0
[pid 13303] exit_group(0)               = ?
[pid 13303] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13303, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13304
./strace-static-x86_64: Process 13304 attached
[pid 13304] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13304] setpgid(0, 0)               = 0
[pid 13304] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13304] write(3, "1000", 4)         = 4
[pid 13304] close(3)                    = 0
[pid 13304] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13304] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13304] pipe2([3, 4], 0)            = 0
[pid 13304] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13304] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13304] sync()                      = 0
[pid 13304] exit_group(0)               = ?
[pid 13304] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13304, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13305
./strace-static-x86_64: Process 13305 attached
[pid 13305] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13305] setpgid(0, 0)               = 0
[pid 13305] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13305] write(3, "1000", 4)         = 4
[pid 13305] close(3)                    = 0
[pid 13305] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13305] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13305] pipe2([3, 4], 0)            = 0
[pid 13305] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13305] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13305] sync()                      = 0
[pid 13305] exit_group(0)               = ?
[pid 13305] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13305, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13306
./strace-static-x86_64: Process 13306 attached
[pid 13306] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13306] setpgid(0, 0)               = 0
[pid 13306] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13306] write(3, "1000", 4)         = 4
[pid 13306] close(3)                    = 0
[pid 13306] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13306] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13306] pipe2([3, 4], 0)            = 0
[pid 13306] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13306] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13306] sync()                      = 0
[pid 13306] exit_group(0)               = ?
[pid 13306] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13306, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13307
./strace-static-x86_64: Process 13307 attached
[pid 13307] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13307] setpgid(0, 0)               = 0
[pid 13307] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13307] write(3, "1000", 4)         = 4
[pid 13307] close(3)                    = 0
[pid 13307] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13307] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13307] pipe2([3, 4], 0)            = 0
[pid 13307] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13307] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13307] sync()                      = 0
[pid 13307] exit_group(0)               = ?
[pid 13307] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13307, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13308 attached
 <unfinished ...>
[pid 13308] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13308] setpgid(0, 0)               = 0
[pid 13308] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13308] write(3, "1000", 4 <unfinished ...>
[pid  3603] <... clone resumed>, child_tidptr=0x555555bcb690) = 13308
[pid 13308] <... write resumed>)        = 4
[pid 13308] close(3)                    = 0
[pid 13308] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13308] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13308] pipe2([3, 4], 0)            = 0
[pid 13308] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13308] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13308] sync()                      = 0
[pid 13308] exit_group(0)               = ?
[pid 13308] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13308, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13309 attached
, child_tidptr=0x555555bcb690) = 13309
[pid 13309] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13309] setpgid(0, 0)               = 0
[pid 13309] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13309] write(3, "1000", 4)         = 4
[pid 13309] close(3)                    = 0
[pid 13309] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13309] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13309] pipe2([3, 4], 0)            = 0
[pid 13309] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13309] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13309] sync()                      = 0
[pid 13309] exit_group(0)               = ?
[pid 13309] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13309, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13310 attached
, child_tidptr=0x555555bcb690) = 13310
[pid 13310] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13310] setpgid(0, 0)               = 0
[pid 13310] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13310] write(3, "1000", 4)         = 4
[pid 13310] close(3)                    = 0
[pid 13310] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13310] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13310] pipe2([3, 4], 0)            = 0
[pid 13310] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13310] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13310] sync()                      = 0
[pid 13310] exit_group(0)               = ?
[pid 13310] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13310, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13311 attached
, child_tidptr=0x555555bcb690) = 13311
[pid 13311] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13311] setpgid(0, 0)               = 0
[pid 13311] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13311] write(3, "1000", 4)         = 4
[pid 13311] close(3)                    = 0
[pid 13311] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13311] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13311] pipe2([3, 4], 0)            = 0
[pid 13311] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13311] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13311] sync()                      = 0
[pid 13311] exit_group(0)               = ?
[pid 13311] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13311, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13312 attached
, child_tidptr=0x555555bcb690) = 13312
[pid 13312] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13312] setpgid(0, 0)               = 0
[pid 13312] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13312] write(3, "1000", 4)         = 4
[pid 13312] close(3)                    = 0
[pid 13312] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13312] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13312] pipe2([3, 4], 0)            = 0
[pid 13312] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13312] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13312] sync()                      = 0
[pid 13312] exit_group(0)               = ?
[pid 13312] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13312, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13313
./strace-static-x86_64: Process 13313 attached
[pid 13313] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13313] setpgid(0, 0)               = 0
[pid 13313] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13313] write(3, "1000", 4)         = 4
[pid 13313] close(3)                    = 0
[pid 13313] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13313] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13313] pipe2([3, 4], 0)            = 0
[pid 13313] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13313] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13313] sync()                      = 0
[pid 13313] exit_group(0)               = ?
[pid 13313] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13313, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13314 attached
, child_tidptr=0x555555bcb690) = 13314
[pid 13314] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13314] setpgid(0, 0)               = 0
[pid 13314] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13314] write(3, "1000", 4)         = 4
[pid 13314] close(3)                    = 0
[pid 13314] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13314] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13314] pipe2([3, 4], 0)            = 0
[pid 13314] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13314] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13314] sync()                      = 0
[pid 13314] exit_group(0)               = ?
[pid 13314] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13314, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13315
./strace-static-x86_64: Process 13315 attached
[pid 13315] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13315] setpgid(0, 0)               = 0
[pid 13315] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13315] write(3, "1000", 4)         = 4
[pid 13315] close(3)                    = 0
[pid 13315] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13315] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13315] pipe2([3, 4], 0)            = 0
[pid 13315] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13315] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13315] sync()                      = 0
[pid 13315] exit_group(0)               = ?
[pid 13315] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13315, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13316
./strace-static-x86_64: Process 13316 attached
[pid 13316] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13316] setpgid(0, 0)               = 0
[pid 13316] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13316] write(3, "1000", 4)         = 4
[pid 13316] close(3)                    = 0
[pid 13316] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13316] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13316] pipe2([3, 4], 0)            = 0
[pid 13316] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13316] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13316] sync()                      = 0
[pid 13316] exit_group(0)               = ?
[pid 13316] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13316, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13317
./strace-static-x86_64: Process 13317 attached
[pid 13317] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13317] setpgid(0, 0)               = 0
[pid 13317] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13317] write(3, "1000", 4)         = 4
[pid 13317] close(3)                    = 0
[pid 13317] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13317] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13317] pipe2([3, 4], 0)            = 0
[pid 13317] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13317] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13317] sync()                      = 0
[pid 13317] exit_group(0)               = ?
[pid 13317] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13317, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13318 attached
, child_tidptr=0x555555bcb690) = 13318
[pid 13318] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13318] setpgid(0, 0)               = 0
[pid 13318] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13318] write(3, "1000", 4)         = 4
[pid 13318] close(3)                    = 0
[pid 13318] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13318] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13318] pipe2([3, 4], 0)            = 0
[pid 13318] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13318] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13318] sync()                      = 0
[pid 13318] exit_group(0)               = ?
[pid 13318] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13318, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13319
./strace-static-x86_64: Process 13319 attached
[pid 13319] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13319] setpgid(0, 0)               = 0
[pid 13319] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13319] write(3, "1000", 4)         = 4
[pid 13319] close(3)                    = 0
[pid 13319] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13319] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13319] pipe2([3, 4], 0)            = 0
[pid 13319] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13319] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13319] sync()                      = 0
[pid 13319] exit_group(0)               = ?
[pid 13319] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13319, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13320 attached
, child_tidptr=0x555555bcb690) = 13320
[pid 13320] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13320] setpgid(0, 0)               = 0
[pid 13320] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13320] write(3, "1000", 4)         = 4
[pid 13320] close(3)                    = 0
[pid 13320] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13320] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13320] pipe2([3, 4], 0)            = 0
[pid 13320] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13320] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13320] sync()                      = 0
[pid 13320] exit_group(0)               = ?
[pid 13320] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13320, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13321
./strace-static-x86_64: Process 13321 attached
[pid 13321] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13321] setpgid(0, 0)               = 0
[pid 13321] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13321] write(3, "1000", 4)         = 4
[pid 13321] close(3)                    = 0
[pid 13321] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13321] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13321] pipe2([3, 4], 0)            = 0
[pid 13321] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13321] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13321] sync()                      = 0
[pid 13321] exit_group(0)               = ?
[pid 13321] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13321, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13322 attached
, child_tidptr=0x555555bcb690) = 13322
[pid 13322] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13322] setpgid(0, 0)               = 0
[pid 13322] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13322] write(3, "1000", 4)         = 4
[pid 13322] close(3)                    = 0
[pid 13322] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13322] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13322] pipe2([3, 4], 0)            = 0
[pid 13322] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13322] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13322] sync()                      = 0
[pid 13322] exit_group(0)               = ?
[pid 13322] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13322, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13323 attached
, child_tidptr=0x555555bcb690) = 13323
[pid 13323] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13323] setpgid(0, 0)               = 0
[pid 13323] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13323] write(3, "1000", 4)         = 4
[pid 13323] close(3)                    = 0
[pid 13323] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13323] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13323] pipe2([3, 4], 0)            = 0
[pid 13323] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13323] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13323] sync()                      = 0
[pid 13323] exit_group(0)               = ?
[pid 13323] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13323, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13324 attached
, child_tidptr=0x555555bcb690) = 13324
[pid 13324] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13324] setpgid(0, 0)               = 0
[pid 13324] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13324] write(3, "1000", 4)         = 4
[pid 13324] close(3)                    = 0
[pid 13324] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13324] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13324] pipe2([3, 4], 0)            = 0
[pid 13324] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13324] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13324] sync()                      = 0
[pid 13324] exit_group(0)               = ?
[pid 13324] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13324, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13325 attached
, child_tidptr=0x555555bcb690) = 13325
[pid 13325] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13325] setpgid(0, 0)               = 0
[pid 13325] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13325] write(3, "1000", 4)         = 4
[pid 13325] close(3)                    = 0
[pid 13325] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13325] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13325] pipe2([3, 4], 0)            = 0
[pid 13325] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13325] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13325] sync()                      = 0
[pid 13325] exit_group(0)               = ?
[pid 13325] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13325, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13326
./strace-static-x86_64: Process 13326 attached
[pid 13326] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13326] setpgid(0, 0)               = 0
[pid 13326] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13326] write(3, "1000", 4)         = 4
[pid 13326] close(3)                    = 0
[pid 13326] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13326] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13326] pipe2([3, 4], 0)            = 0
[pid 13326] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13326] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13326] sync()                      = 0
[pid 13326] exit_group(0)               = ?
[pid 13326] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13326, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13327 attached
, child_tidptr=0x555555bcb690) = 13327
[pid 13327] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13327] setpgid(0, 0)               = 0
[pid 13327] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13327] write(3, "1000", 4)         = 4
[pid 13327] close(3)                    = 0
[pid 13327] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13327] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13327] pipe2([3, 4], 0)            = 0
[pid 13327] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13327] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13327] sync()                      = 0
[pid 13327] exit_group(0)               = ?
[pid 13327] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13327, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13328
./strace-static-x86_64: Process 13328 attached
[pid 13328] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13328] setpgid(0, 0)               = 0
[pid 13328] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13328] write(3, "1000", 4)         = 4
[pid 13328] close(3)                    = 0
[pid 13328] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13328] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13328] pipe2([3, 4], 0)            = 0
[pid 13328] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13328] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13328] sync()                      = 0
[pid 13328] exit_group(0)               = ?
[pid 13328] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13328, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13329 attached
 <unfinished ...>
[pid 13329] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13329] setpgid(0, 0)               = 0
[pid 13329] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13329] write(3, "1000", 4)         = 4
[pid 13329] close(3)                    = 0
[pid 13329] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13329] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13329] pipe2([3, 4], 0)            = 0
[pid 13329] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13329] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," <unfinished ...>
[pid  3603] <... clone resumed>, child_tidptr=0x555555bcb690) = 13329
[pid 13329] <... mount resumed>)        = -1 EINVAL (Invalid argument)
[pid 13329] sync()                      = 0
[pid 13329] exit_group(0)               = ?
[pid 13329] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13329, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13330 attached
, child_tidptr=0x555555bcb690) = 13330
[pid 13330] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13330] setpgid(0, 0)               = 0
[pid 13330] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13330] write(3, "1000", 4)         = 4
[pid 13330] close(3)                    = 0
[pid 13330] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13330] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13330] pipe2([3, 4], 0)            = 0
[pid 13330] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13330] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13330] sync()                      = 0
[pid 13330] exit_group(0)               = ?
[pid 13330] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13330, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13331
./strace-static-x86_64: Process 13331 attached
[pid 13331] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13331] setpgid(0, 0)               = 0
[pid 13331] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13331] write(3, "1000", 4)         = 4
[pid 13331] close(3)                    = 0
[pid 13331] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13331] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13331] pipe2([3, 4], 0)            = 0
[pid 13331] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13331] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13331] sync()                      = 0
[pid 13331] exit_group(0)               = ?
[pid 13331] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13331, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13332 attached
, child_tidptr=0x555555bcb690) = 13332
[pid 13332] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13332] setpgid(0, 0)               = 0
[pid 13332] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13332] write(3, "1000", 4)         = 4
[pid 13332] close(3)                    = 0
[pid 13332] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13332] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13332] pipe2([3, 4], 0)            = 0
[pid 13332] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13332] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13332] sync()                      = 0
[pid 13332] exit_group(0)               = ?
[pid 13332] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13332, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13333
./strace-static-x86_64: Process 13333 attached
[pid 13333] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13333] setpgid(0, 0)               = 0
[pid 13333] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13333] write(3, "1000", 4)         = 4
[pid 13333] close(3)                    = 0
[pid 13333] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13333] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13333] pipe2([3, 4], 0)            = 0
[pid 13333] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13333] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13333] sync()                      = 0
[pid 13333] exit_group(0)               = ?
[pid 13333] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13333, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13334 attached
, child_tidptr=0x555555bcb690) = 13334
[pid 13334] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13334] setpgid(0, 0)               = 0
[pid 13334] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13334] write(3, "1000", 4)         = 4
[pid 13334] close(3)                    = 0
[pid 13334] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13334] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13334] pipe2([3, 4], 0)            = 0
[pid 13334] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13334] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13334] sync()                      = 0
[pid 13334] exit_group(0)               = ?
[pid 13334] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13334, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13335 attached
, child_tidptr=0x555555bcb690) = 13335
[pid 13335] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13335] setpgid(0, 0)               = 0
[pid 13335] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13335] write(3, "1000", 4)         = 4
[pid 13335] close(3)                    = 0
[pid 13335] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13335] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13335] pipe2([3, 4], 0)            = 0
[pid 13335] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13335] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13335] sync()                      = 0
[pid 13335] exit_group(0)               = ?
[pid 13335] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13335, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13336
./strace-static-x86_64: Process 13336 attached
[pid 13336] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13336] setpgid(0, 0)               = 0
[pid 13336] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13336] write(3, "1000", 4)         = 4
[pid 13336] close(3)                    = 0
[pid 13336] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13336] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13336] pipe2([3, 4], 0)            = 0
[pid 13336] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13336] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13336] sync()                      = 0
[pid 13336] exit_group(0)               = ?
[pid 13336] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13336, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13337 attached
, child_tidptr=0x555555bcb690) = 13337
[pid 13337] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13337] setpgid(0, 0)               = 0
[pid 13337] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13337] write(3, "1000", 4)         = 4
[pid 13337] close(3)                    = 0
[pid 13337] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13337] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13337] pipe2([3, 4], 0)            = 0
[pid 13337] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13337] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13337] sync()                      = 0
[pid 13337] exit_group(0)               = ?
[pid 13337] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13337, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13338 attached
, child_tidptr=0x555555bcb690) = 13338
[pid 13338] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13338] setpgid(0, 0)               = 0
[pid 13338] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13338] write(3, "1000", 4)         = 4
[pid 13338] close(3)                    = 0
[pid 13338] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13338] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13338] pipe2([3, 4], 0)            = 0
[pid 13338] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13338] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13338] sync()                      = 0
[pid 13338] exit_group(0)               = ?
[pid 13338] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13338, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13339 attached
, child_tidptr=0x555555bcb690) = 13339
[pid 13339] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13339] setpgid(0, 0)               = 0
[pid 13339] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13339] write(3, "1000", 4)         = 4
[pid 13339] close(3)                    = 0
[pid 13339] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13339] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13339] pipe2([3, 4], 0)            = 0
[pid 13339] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13339] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13339] sync()                      = 0
[pid 13339] exit_group(0)               = ?
[pid 13339] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13339, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13340
./strace-static-x86_64: Process 13340 attached
[pid 13340] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13340] setpgid(0, 0)               = 0
[pid 13340] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13340] write(3, "1000", 4)         = 4
[pid 13340] close(3)                    = 0
[pid 13340] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13340] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13340] pipe2([3, 4], 0)            = 0
[pid 13340] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13340] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13340] sync()                      = 0
[pid 13340] exit_group(0)               = ?
[pid 13340] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13340, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13341 attached
, child_tidptr=0x555555bcb690) = 13341
[pid 13341] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13341] setpgid(0, 0)               = 0
[pid 13341] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13341] write(3, "1000", 4)         = 4
[pid 13341] close(3)                    = 0
[pid 13341] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13341] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13341] pipe2([3, 4], 0)            = 0
[pid 13341] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13341] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13341] sync()                      = 0
[pid 13341] exit_group(0)               = ?
[pid 13341] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13341, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13342 attached
, child_tidptr=0x555555bcb690) = 13342
[pid 13342] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13342] setpgid(0, 0)               = 0
[pid 13342] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13342] write(3, "1000", 4)         = 4
[pid 13342] close(3)                    = 0
[pid 13342] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13342] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13342] pipe2([3, 4], 0)            = 0
[pid 13342] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13342] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13342] sync()                      = 0
[pid 13342] exit_group(0)               = ?
[pid 13342] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13342, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13343
./strace-static-x86_64: Process 13343 attached
[pid 13343] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13343] setpgid(0, 0)               = 0
[pid 13343] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13343] write(3, "1000", 4)         = 4
[pid 13343] close(3)                    = 0
[pid 13343] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13343] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13343] pipe2([3, 4], 0)            = 0
[pid 13343] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13343] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13343] sync()                      = 0
[pid 13343] exit_group(0)               = ?
[pid 13343] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13343, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13344 attached
, child_tidptr=0x555555bcb690) = 13344
[pid 13344] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13344] setpgid(0, 0)               = 0
[pid 13344] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13344] write(3, "1000", 4)         = 4
[pid 13344] close(3)                    = 0
[pid 13344] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13344] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13344] pipe2([3, 4], 0)            = 0
[pid 13344] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13344] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13344] sync()                      = 0
[pid 13344] exit_group(0)               = ?
[pid 13344] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13344, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13345
./strace-static-x86_64: Process 13345 attached
[pid 13345] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13345] setpgid(0, 0)               = 0
[pid 13345] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13345] write(3, "1000", 4)         = 4
[pid 13345] close(3)                    = 0
[pid 13345] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13345] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13345] pipe2([3, 4], 0)            = 0
[pid 13345] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13345] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13345] sync()                      = 0
[pid 13345] exit_group(0)               = ?
[pid 13345] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13345, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13346
./strace-static-x86_64: Process 13346 attached
[pid 13346] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13346] setpgid(0, 0)               = 0
[pid 13346] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13346] write(3, "1000", 4)         = 4
[pid 13346] close(3)                    = 0
[pid 13346] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13346] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13346] pipe2([3, 4], 0)            = 0
[pid 13346] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13346] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13346] sync()                      = 0
[pid 13346] exit_group(0)               = ?
[pid 13346] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13346, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13347
./strace-static-x86_64: Process 13347 attached
[pid 13347] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13347] setpgid(0, 0)               = 0
[pid 13347] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13347] write(3, "1000", 4)         = 4
[pid 13347] close(3)                    = 0
[pid 13347] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13347] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13347] pipe2([3, 4], 0)            = 0
[pid 13347] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13347] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13347] sync()                      = 0
[pid 13347] exit_group(0)               = ?
[pid 13347] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13347, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13348
./strace-static-x86_64: Process 13348 attached
[pid 13348] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13348] setpgid(0, 0)               = 0
[pid 13348] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13348] write(3, "1000", 4)         = 4
[pid 13348] close(3)                    = 0
[pid 13348] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13348] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13348] pipe2([3, 4], 0)            = 0
[pid 13348] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13348] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13348] sync()                      = 0
[pid 13348] exit_group(0)               = ?
[pid 13348] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13348, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13349
./strace-static-x86_64: Process 13349 attached
[pid 13349] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13349] setpgid(0, 0)               = 0
[pid 13349] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13349] write(3, "1000", 4)         = 4
[pid 13349] close(3)                    = 0
[pid 13349] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13349] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13349] pipe2([3, 4], 0)            = 0
[pid 13349] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13349] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13349] sync()                      = 0
[pid 13349] exit_group(0)               = ?
[pid 13349] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13349, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13350 attached
 <unfinished ...>
[pid 13350] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13350] setpgid(0, 0)               = 0
[pid 13350] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13350] write(3, "1000", 4)         = 4
[pid 13350] close(3)                    = 0
[pid 13350] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13350] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13350] pipe2([3, 4], 0)            = 0
[pid 13350] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13350] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," <unfinished ...>
[pid  3603] <... clone resumed>, child_tidptr=0x555555bcb690) = 13350
[pid 13350] <... mount resumed>)        = -1 EINVAL (Invalid argument)
[pid 13350] sync()                      = 0
[pid 13350] exit_group(0)               = ?
[pid 13350] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13350, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13351
./strace-static-x86_64: Process 13351 attached
[pid 13351] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13351] setpgid(0, 0)               = 0
[pid 13351] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13351] write(3, "1000", 4)         = 4
[pid 13351] close(3)                    = 0
[pid 13351] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13351] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13351] pipe2([3, 4], 0)            = 0
[pid 13351] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13351] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13351] sync()                      = 0
[pid 13351] exit_group(0)               = ?
[pid 13351] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13351, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13352 attached
, child_tidptr=0x555555bcb690) = 13352
[pid 13352] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13352] setpgid(0, 0)               = 0
[pid 13352] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13352] write(3, "1000", 4)         = 4
[pid 13352] close(3)                    = 0
[pid 13352] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13352] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13352] pipe2([3, 4], 0)            = 0
[pid 13352] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13352] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13352] sync()                      = 0
[pid 13352] exit_group(0)               = ?
[pid 13352] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13352, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13353 attached
, child_tidptr=0x555555bcb690) = 13353
[pid 13353] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13353] setpgid(0, 0)               = 0
[pid 13353] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13353] write(3, "1000", 4)         = 4
[pid 13353] close(3)                    = 0
[pid 13353] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13353] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13353] pipe2([3, 4], 0)            = 0
[pid 13353] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13353] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13353] sync()                      = 0
[pid 13353] exit_group(0)               = ?
[pid 13353] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13353, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13354 attached
, child_tidptr=0x555555bcb690) = 13354
[pid 13354] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13354] setpgid(0, 0)               = 0
[pid 13354] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13354] write(3, "1000", 4)         = 4
[pid 13354] close(3)                    = 0
[pid 13354] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13354] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13354] pipe2([3, 4], 0)            = 0
[pid 13354] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13354] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13354] sync()                      = 0
[pid 13354] exit_group(0)               = ?
[pid 13354] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13354, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13355
./strace-static-x86_64: Process 13355 attached
[pid 13355] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13355] setpgid(0, 0)               = 0
[pid 13355] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13355] write(3, "1000", 4)         = 4
[pid 13355] close(3)                    = 0
[pid 13355] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13355] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13355] pipe2([3, 4], 0)            = 0
[pid 13355] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13355] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13355] sync()                      = 0
[pid 13355] exit_group(0)               = ?
[pid 13355] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13355, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13356
./strace-static-x86_64: Process 13356 attached
[pid 13356] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13356] setpgid(0, 0)               = 0
[pid 13356] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13356] write(3, "1000", 4)         = 4
[pid 13356] close(3)                    = 0
[pid 13356] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13356] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13356] pipe2([3, 4], 0)            = 0
[pid 13356] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13356] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13356] sync()                      = 0
[pid 13356] exit_group(0)               = ?
[pid 13356] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13356, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13357
./strace-static-x86_64: Process 13357 attached
[pid 13357] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13357] setpgid(0, 0)               = 0
[pid 13357] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13357] write(3, "1000", 4)         = 4
[pid 13357] close(3)                    = 0
[pid 13357] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13357] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13357] pipe2([3, 4], 0)            = 0
[pid 13357] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13357] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13357] sync()                      = 0
[pid 13357] exit_group(0)               = ?
[pid 13357] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13357, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13358 attached
, child_tidptr=0x555555bcb690) = 13358
[pid 13358] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13358] setpgid(0, 0)               = 0
[pid 13358] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13358] write(3, "1000", 4)         = 4
[pid 13358] close(3)                    = 0
[pid 13358] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13358] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13358] pipe2([3, 4], 0)            = 0
[pid 13358] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13358] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13358] sync()                      = 0
[pid 13358] exit_group(0)               = ?
[pid 13358] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13358, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13359
./strace-static-x86_64: Process 13359 attached
[pid 13359] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13359] setpgid(0, 0)               = 0
[pid 13359] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13359] write(3, "1000", 4)         = 4
[pid 13359] close(3)                    = 0
[pid 13359] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13359] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13359] pipe2([3, 4], 0)            = 0
[pid 13359] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13359] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13359] sync()                      = 0
[pid 13359] exit_group(0)               = ?
[pid 13359] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13359, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13360 attached
, child_tidptr=0x555555bcb690) = 13360
[pid 13360] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13360] setpgid(0, 0)               = 0
[pid 13360] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13360] write(3, "1000", 4)         = 4
[pid 13360] close(3)                    = 0
[pid 13360] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13360] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13360] pipe2([3, 4], 0)            = 0
[pid 13360] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13360] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13360] sync()                      = 0
[pid 13360] exit_group(0)               = ?
[pid 13360] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13360, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13361 attached
, child_tidptr=0x555555bcb690) = 13361
[pid 13361] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13361] setpgid(0, 0)               = 0
[pid 13361] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13361] write(3, "1000", 4)         = 4
[pid 13361] close(3)                    = 0
[pid 13361] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13361] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13361] pipe2([3, 4], 0)            = 0
[pid 13361] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13361] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13361] sync()                      = 0
[pid 13361] exit_group(0)               = ?
[pid 13361] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13361, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13362 attached
, child_tidptr=0x555555bcb690) = 13362
[pid 13362] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13362] setpgid(0, 0)               = 0
[pid 13362] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13362] write(3, "1000", 4)         = 4
[pid 13362] close(3)                    = 0
[pid 13362] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13362] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13362] pipe2([3, 4], 0)            = 0
[pid 13362] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13362] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13362] sync()                      = 0
[pid 13362] exit_group(0)               = ?
[pid 13362] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13362, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13363
./strace-static-x86_64: Process 13363 attached
[pid 13363] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13363] setpgid(0, 0)               = 0
[pid 13363] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13363] write(3, "1000", 4)         = 4
[pid 13363] close(3)                    = 0
[pid 13363] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13363] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13363] pipe2([3, 4], 0)            = 0
[pid 13363] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13363] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13363] sync()                      = 0
[pid 13363] exit_group(0)               = ?
[pid 13363] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13363, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13364
./strace-static-x86_64: Process 13364 attached
[pid 13364] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13364] setpgid(0, 0)               = 0
[pid 13364] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13364] write(3, "1000", 4)         = 4
[pid 13364] close(3)                    = 0
[pid 13364] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13364] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13364] pipe2([3, 4], 0)            = 0
[pid 13364] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13364] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13364] sync()                      = 0
[pid 13364] exit_group(0)               = ?
[pid 13364] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13364, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13365
./strace-static-x86_64: Process 13365 attached
[pid 13365] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13365] setpgid(0, 0)               = 0
[pid 13365] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13365] write(3, "1000", 4)         = 4
[pid 13365] close(3)                    = 0
[pid 13365] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13365] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13365] pipe2([3, 4], 0)            = 0
[pid 13365] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13365] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13365] sync()                      = 0
[pid 13365] exit_group(0)               = ?
[pid 13365] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13365, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13366 attached
, child_tidptr=0x555555bcb690) = 13366
[pid 13366] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13366] setpgid(0, 0)               = 0
[pid 13366] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13366] write(3, "1000", 4)         = 4
[pid 13366] close(3)                    = 0
[pid 13366] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13366] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13366] pipe2([3, 4], 0)            = 0
[pid 13366] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13366] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13366] sync()                      = 0
[pid 13366] exit_group(0)               = ?
[pid 13366] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13366, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13367 attached
, child_tidptr=0x555555bcb690) = 13367
[pid 13367] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13367] setpgid(0, 0)               = 0
[pid 13367] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13367] write(3, "1000", 4)         = 4
[pid 13367] close(3)                    = 0
[pid 13367] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13367] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13367] pipe2([3, 4], 0)            = 0
[pid 13367] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13367] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13367] sync()                      = 0
[pid 13367] exit_group(0)               = ?
[pid 13367] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13367, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13368 attached
, child_tidptr=0x555555bcb690) = 13368
[pid 13368] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13368] setpgid(0, 0)               = 0
[pid 13368] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13368] write(3, "1000", 4)         = 4
[pid 13368] close(3)                    = 0
[pid 13368] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13368] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13368] pipe2([3, 4], 0)            = 0
[pid 13368] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13368] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13368] sync()                      = 0
[pid 13368] exit_group(0)               = ?
[pid 13368] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13368, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13369
./strace-static-x86_64: Process 13369 attached
[pid 13369] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13369] setpgid(0, 0)               = 0
[pid 13369] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13369] write(3, "1000", 4)         = 4
[pid 13369] close(3)                    = 0
[pid 13369] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13369] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13369] pipe2([3, 4], 0)            = 0
[pid 13369] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13369] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13369] sync()                      = 0
[pid 13369] exit_group(0)               = ?
[pid 13369] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13369, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13370
./strace-static-x86_64: Process 13370 attached
[pid 13370] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13370] setpgid(0, 0)               = 0
[pid 13370] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13370] write(3, "1000", 4)         = 4
[pid 13370] close(3)                    = 0
[pid 13370] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13370] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13370] pipe2([3, 4], 0)            = 0
[pid 13370] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13370] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13370] sync()                      = 0
[pid 13370] exit_group(0)               = ?
[pid 13370] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13370, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13371 attached
, child_tidptr=0x555555bcb690) = 13371
[pid 13371] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13371] setpgid(0, 0)               = 0
[pid 13371] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13371] write(3, "1000", 4)         = 4
[pid 13371] close(3)                    = 0
[pid 13371] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13371] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13371] pipe2([3, 4], 0)            = 0
[pid 13371] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13371] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13371] sync()                      = 0
[pid 13371] exit_group(0)               = ?
[pid 13371] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13371, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13372 attached
, child_tidptr=0x555555bcb690) = 13372
[pid 13372] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13372] setpgid(0, 0)               = 0
[pid 13372] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13372] write(3, "1000", 4)         = 4
[pid 13372] close(3)                    = 0
[pid 13372] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13372] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13372] pipe2([3, 4], 0)            = 0
[pid 13372] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13372] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13372] sync()                      = 0
[pid 13372] exit_group(0)               = ?
[pid 13372] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13372, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13373
./strace-static-x86_64: Process 13373 attached
[pid 13373] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13373] setpgid(0, 0)               = 0
[pid 13373] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13373] write(3, "1000", 4)         = 4
[pid 13373] close(3)                    = 0
[pid 13373] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13373] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13373] pipe2([3, 4], 0)            = 0
[pid 13373] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13373] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13373] sync()                      = 0
[pid 13373] exit_group(0)               = ?
[pid 13373] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13373, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13374
./strace-static-x86_64: Process 13374 attached
[pid 13374] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13374] setpgid(0, 0)               = 0
[pid 13374] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13374] write(3, "1000", 4)         = 4
[pid 13374] close(3)                    = 0
[pid 13374] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13374] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13374] pipe2([3, 4], 0)            = 0
[pid 13374] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13374] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13374] sync()                      = 0
[pid 13374] exit_group(0)               = ?
[pid 13374] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13374, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13375 attached
 <unfinished ...>
[pid 13375] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13375] setpgid(0, 0)               = 0
[pid 13375] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3603] <... clone resumed>, child_tidptr=0x555555bcb690) = 13375
[pid 13375] <... openat resumed>)       = 3
[pid 13375] write(3, "1000", 4)         = 4
[pid 13375] close(3)                    = 0
[pid 13375] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13375] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13375] pipe2([3, 4], 0)            = 0
[pid 13375] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13375] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13375] sync()                      = 0
[pid 13375] exit_group(0)               = ?
[pid 13375] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13375, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13376
./strace-static-x86_64: Process 13376 attached
[pid 13376] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13376] setpgid(0, 0)               = 0
[pid 13376] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13376] write(3, "1000", 4)         = 4
[pid 13376] close(3)                    = 0
[pid 13376] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13376] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13376] pipe2([3, 4], 0)            = 0
[pid 13376] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13376] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13376] sync()                      = 0
[pid 13376] exit_group(0)               = ?
[pid 13376] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13376, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13377
./strace-static-x86_64: Process 13377 attached
[pid 13377] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13377] setpgid(0, 0)               = 0
[pid 13377] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13377] write(3, "1000", 4)         = 4
[pid 13377] close(3)                    = 0
[pid 13377] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13377] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13377] pipe2([3, 4], 0)            = 0
[pid 13377] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13377] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13377] sync()                      = 0
[pid 13377] exit_group(0)               = ?
[pid 13377] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13377, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13378
./strace-static-x86_64: Process 13378 attached
[pid 13378] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13378] setpgid(0, 0)               = 0
[pid 13378] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13378] write(3, "1000", 4)         = 4
[pid 13378] close(3)                    = 0
[pid 13378] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13378] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13378] pipe2([3, 4], 0)            = 0
[pid 13378] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13378] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13378] sync()                      = 0
[pid 13378] exit_group(0)               = ?
[pid 13378] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13378, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13379
./strace-static-x86_64: Process 13379 attached
[pid 13379] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13379] setpgid(0, 0)               = 0
[pid 13379] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13379] write(3, "1000", 4)         = 4
[pid 13379] close(3)                    = 0
[pid 13379] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13379] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13379] pipe2([3, 4], 0)            = 0
[pid 13379] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13379] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13379] sync()                      = 0
[pid 13379] exit_group(0)               = ?
[pid 13379] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13379, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13380
./strace-static-x86_64: Process 13380 attached
[pid 13380] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13380] setpgid(0, 0)               = 0
[pid 13380] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13380] write(3, "1000", 4)         = 4
[pid 13380] close(3)                    = 0
[pid 13380] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13380] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13380] pipe2([3, 4], 0)            = 0
[pid 13380] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13380] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13380] sync()                      = 0
[pid 13380] exit_group(0)               = ?
[pid 13380] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13380, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13381 attached
, child_tidptr=0x555555bcb690) = 13381
[pid 13381] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13381] setpgid(0, 0)               = 0
[pid 13381] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13381] write(3, "1000", 4)         = 4
[pid 13381] close(3)                    = 0
[pid 13381] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13381] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13381] pipe2([3, 4], 0)            = 0
[pid 13381] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13381] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13381] sync()                      = 0
[pid 13381] exit_group(0)               = ?
[pid 13381] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13381, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13382 attached
, child_tidptr=0x555555bcb690) = 13382
[pid 13382] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13382] setpgid(0, 0)               = 0
[pid 13382] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13382] write(3, "1000", 4)         = 4
[pid 13382] close(3)                    = 0
[pid 13382] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13382] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13382] pipe2([3, 4], 0)            = 0
[pid 13382] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13382] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13382] sync()                      = 0
[pid 13382] exit_group(0)               = ?
[pid 13382] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13382, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13383 attached
 <unfinished ...>
[pid 13383] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13383] setpgid(0, 0)               = 0
[pid 13383] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3603] <... clone resumed>, child_tidptr=0x555555bcb690) = 13383
[pid 13383] <... openat resumed>)       = 3
[pid 13383] write(3, "1000", 4)         = 4
[pid 13383] close(3)                    = 0
[pid 13383] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13383] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13383] pipe2([3, 4], 0)            = 0
[pid 13383] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13383] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13383] sync()                      = 0
[pid 13383] exit_group(0)               = ?
[pid 13383] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13383, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13384
./strace-static-x86_64: Process 13384 attached
[pid 13384] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13384] setpgid(0, 0)               = 0
[pid 13384] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13384] write(3, "1000", 4)         = 4
[pid 13384] close(3)                    = 0
[pid 13384] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13384] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13384] pipe2([3, 4], 0)            = 0
[pid 13384] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13384] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13384] sync()                      = 0
[pid 13384] exit_group(0)               = ?
[pid 13384] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13384, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13385
./strace-static-x86_64: Process 13385 attached
[pid 13385] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13385] setpgid(0, 0)               = 0
[pid 13385] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13385] write(3, "1000", 4)         = 4
[pid 13385] close(3)                    = 0
[pid 13385] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13385] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13385] pipe2([3, 4], 0)            = 0
[pid 13385] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13385] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13385] sync()                      = 0
[pid 13385] exit_group(0)               = ?
[pid 13385] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13385, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13386
./strace-static-x86_64: Process 13386 attached
[pid 13386] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13386] setpgid(0, 0)               = 0
[pid 13386] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13386] write(3, "1000", 4)         = 4
[pid 13386] close(3)                    = 0
[pid 13386] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13386] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13386] pipe2([3, 4], 0)            = 0
[pid 13386] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13386] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13386] sync()                      = 0
[pid 13386] exit_group(0)               = ?
[pid 13386] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13386, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13387 attached
, child_tidptr=0x555555bcb690) = 13387
[pid 13387] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13387] setpgid(0, 0)               = 0
[pid 13387] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13387] write(3, "1000", 4)         = 4
[pid 13387] close(3)                    = 0
[pid 13387] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13387] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13387] pipe2([3, 4], 0)            = 0
[pid 13387] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13387] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13387] sync()                      = 0
[pid 13387] exit_group(0)               = ?
[pid 13387] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13387, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13388
./strace-static-x86_64: Process 13388 attached
[pid 13388] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13388] setpgid(0, 0)               = 0
[pid 13388] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13388] write(3, "1000", 4)         = 4
[pid 13388] close(3)                    = 0
[pid 13388] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13388] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13388] pipe2([3, 4], 0)            = 0
[pid 13388] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13388] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13388] sync()                      = 0
[pid 13388] exit_group(0)               = ?
[pid 13388] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13388, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13389 attached
, child_tidptr=0x555555bcb690) = 13389
[pid 13389] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13389] setpgid(0, 0)               = 0
[pid 13389] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13389] write(3, "1000", 4)         = 4
[pid 13389] close(3)                    = 0
[pid 13389] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13389] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13389] pipe2([3, 4], 0)            = 0
[pid 13389] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13389] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13389] sync()                      = 0
[pid 13389] exit_group(0)               = ?
[pid 13389] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13389, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13390 attached
, child_tidptr=0x555555bcb690) = 13390
[pid 13390] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13390] setpgid(0, 0)               = 0
[pid 13390] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13390] write(3, "1000", 4)         = 4
[pid 13390] close(3)                    = 0
[pid 13390] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13390] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13390] pipe2([3, 4], 0)            = 0
[pid 13390] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13390] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13390] sync()                      = 0
[pid 13390] exit_group(0)               = ?
[pid 13390] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13390, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13391
./strace-static-x86_64: Process 13391 attached
[pid 13391] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13391] setpgid(0, 0)               = 0
[pid 13391] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13391] write(3, "1000", 4)         = 4
[pid 13391] close(3)                    = 0
[pid 13391] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13391] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13391] pipe2([3, 4], 0)            = 0
[pid 13391] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13391] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13391] sync()                      = 0
[pid 13391] exit_group(0)               = ?
[pid 13391] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13391, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13392 attached
, child_tidptr=0x555555bcb690) = 13392
[pid 13392] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13392] setpgid(0, 0)               = 0
[pid 13392] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13392] write(3, "1000", 4)         = 4
[pid 13392] close(3)                    = 0
[pid 13392] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13392] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13392] pipe2([3, 4], 0)            = 0
[pid 13392] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13392] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13392] sync()                      = 0
[pid 13392] exit_group(0)               = ?
[pid 13392] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13392, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13393 attached
, child_tidptr=0x555555bcb690) = 13393
[pid 13393] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13393] setpgid(0, 0)               = 0
[pid 13393] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13393] write(3, "1000", 4)         = 4
[pid 13393] close(3)                    = 0
[pid 13393] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13393] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13393] pipe2([3, 4], 0)            = 0
[pid 13393] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13393] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13393] sync()                      = 0
[pid 13393] exit_group(0)               = ?
[pid 13393] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13393, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13394 attached
, child_tidptr=0x555555bcb690) = 13394
[pid 13394] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13394] setpgid(0, 0)               = 0
[pid 13394] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13394] write(3, "1000", 4)         = 4
[pid 13394] close(3)                    = 0
[pid 13394] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13394] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13394] pipe2([3, 4], 0)            = 0
[pid 13394] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13394] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13394] sync()                      = 0
[pid 13394] exit_group(0)               = ?
[pid 13394] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13394, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13395
./strace-static-x86_64: Process 13395 attached
[pid 13395] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13395] setpgid(0, 0)               = 0
[pid 13395] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13395] write(3, "1000", 4)         = 4
[pid 13395] close(3)                    = 0
[pid 13395] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13395] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13395] pipe2([3, 4], 0)            = 0
[pid 13395] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13395] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13395] sync()                      = 0
[pid 13395] exit_group(0)               = ?
[pid 13395] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13395, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13396 attached
, child_tidptr=0x555555bcb690) = 13396
[pid 13396] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13396] setpgid(0, 0)               = 0
[pid 13396] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13396] write(3, "1000", 4)         = 4
[pid 13396] close(3)                    = 0
[pid 13396] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13396] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13396] pipe2([3, 4], 0)            = 0
[pid 13396] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13396] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13396] sync()                      = 0
[pid 13396] exit_group(0)               = ?
[pid 13396] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13396, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13397
./strace-static-x86_64: Process 13397 attached
[pid 13397] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13397] setpgid(0, 0)               = 0
[pid 13397] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13397] write(3, "1000", 4)         = 4
[pid 13397] close(3)                    = 0
[pid 13397] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13397] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13397] pipe2([3, 4], 0)            = 0
[pid 13397] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13397] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13397] sync()                      = 0
[pid 13397] exit_group(0)               = ?
[pid 13397] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13397, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13398
./strace-static-x86_64: Process 13398 attached
[pid 13398] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13398] setpgid(0, 0)               = 0
[pid 13398] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13398] write(3, "1000", 4)         = 4
[pid 13398] close(3)                    = 0
[pid 13398] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13398] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13398] pipe2([3, 4], 0)            = 0
[pid 13398] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13398] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13398] sync()                      = 0
[pid 13398] exit_group(0)               = ?
[pid 13398] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13398, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13399
./strace-static-x86_64: Process 13399 attached
[pid 13399] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13399] setpgid(0, 0)               = 0
[pid 13399] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13399] write(3, "1000", 4)         = 4
[pid 13399] close(3)                    = 0
[pid 13399] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13399] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13399] pipe2([3, 4], 0)            = 0
[pid 13399] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13399] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13399] sync()                      = 0
[pid 13399] exit_group(0)               = ?
[pid 13399] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13399, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13400
./strace-static-x86_64: Process 13400 attached
[pid 13400] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13400] setpgid(0, 0)               = 0
[pid 13400] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13400] write(3, "1000", 4)         = 4
[pid 13400] close(3)                    = 0
[pid 13400] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13400] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13400] pipe2([3, 4], 0)            = 0
[pid 13400] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13400] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13400] sync()                      = 0
[pid 13400] exit_group(0)               = ?
[pid 13400] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13400, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13401 attached
, child_tidptr=0x555555bcb690) = 13401
[pid 13401] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13401] setpgid(0, 0)               = 0
[pid 13401] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13401] write(3, "1000", 4)         = 4
[pid 13401] close(3)                    = 0
[pid 13401] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13401] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13401] pipe2([3, 4], 0)            = 0
[pid 13401] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13401] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13401] sync()                      = 0
[pid 13401] exit_group(0)               = ?
[pid 13401] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13401, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13402
./strace-static-x86_64: Process 13402 attached
[pid 13402] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13402] setpgid(0, 0)               = 0
[pid 13402] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13402] write(3, "1000", 4)         = 4
[pid 13402] close(3)                    = 0
[pid 13402] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13402] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13402] pipe2([3, 4], 0)            = 0
[pid 13402] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13402] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13402] sync()                      = 0
[pid 13402] exit_group(0)               = ?
[pid 13402] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13402, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13403 attached
, child_tidptr=0x555555bcb690) = 13403
[pid 13403] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13403] setpgid(0, 0)               = 0
[pid 13403] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13403] write(3, "1000", 4)         = 4
[pid 13403] close(3)                    = 0
[pid 13403] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13403] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13403] pipe2([3, 4], 0)            = 0
[pid 13403] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13403] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13403] sync()                      = 0
[pid 13403] exit_group(0)               = ?
[pid 13403] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13403, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13404 attached
, child_tidptr=0x555555bcb690) = 13404
[pid 13404] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13404] setpgid(0, 0)               = 0
[pid 13404] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13404] write(3, "1000", 4)         = 4
[pid 13404] close(3)                    = 0
[pid 13404] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13404] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13404] pipe2([3, 4], 0)            = 0
[pid 13404] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13404] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13404] sync()                      = 0
[pid 13404] exit_group(0)               = ?
[pid 13404] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13404, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13405
./strace-static-x86_64: Process 13405 attached
[pid 13405] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13405] setpgid(0, 0)               = 0
[pid 13405] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13405] write(3, "1000", 4)         = 4
[pid 13405] close(3)                    = 0
[pid 13405] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13405] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13405] pipe2([3, 4], 0)            = 0
[pid 13405] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13405] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13405] sync()                      = 0
[pid 13405] exit_group(0)               = ?
[pid 13405] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13405, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13406 attached
, child_tidptr=0x555555bcb690) = 13406
[pid 13406] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13406] setpgid(0, 0)               = 0
[pid 13406] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13406] write(3, "1000", 4)         = 4
[pid 13406] close(3)                    = 0
[pid 13406] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13406] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13406] pipe2([3, 4], 0)            = 0
[pid 13406] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13406] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13406] sync()                      = 0
[pid 13406] exit_group(0)               = ?
[pid 13406] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13406, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13407 attached
, child_tidptr=0x555555bcb690) = 13407
[pid 13407] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13407] setpgid(0, 0)               = 0
[pid 13407] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13407] write(3, "1000", 4)         = 4
[pid 13407] close(3)                    = 0
[pid 13407] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13407] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13407] pipe2([3, 4], 0)            = 0
[pid 13407] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13407] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13407] sync()                      = 0
[pid 13407] exit_group(0)               = ?
[pid 13407] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13407, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13408
./strace-static-x86_64: Process 13408 attached
[pid 13408] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13408] setpgid(0, 0)               = 0
[pid 13408] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13408] write(3, "1000", 4)         = 4
[pid 13408] close(3)                    = 0
[pid 13408] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13408] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13408] pipe2([3, 4], 0)            = 0
[pid 13408] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13408] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13408] sync()                      = 0
[pid 13408] exit_group(0)               = ?
[pid 13408] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13408, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13409 attached
, child_tidptr=0x555555bcb690) = 13409
[pid 13409] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13409] setpgid(0, 0)               = 0
[pid 13409] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13409] write(3, "1000", 4)         = 4
[pid 13409] close(3)                    = 0
[pid 13409] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13409] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13409] pipe2([3, 4], 0)            = 0
[pid 13409] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13409] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13409] sync()                      = 0
[pid 13409] exit_group(0)               = ?
[pid 13409] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13409, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13410 attached
 <unfinished ...>
[pid 13410] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13410] setpgid(0, 0)               = 0
[pid 13410] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13410] write(3, "1000", 4)         = 4
[pid 13410] close(3)                    = 0
[pid 13410] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13410] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13410] pipe2([3, 4], 0)            = 0
[pid 13410] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13410] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," <unfinished ...>
[pid  3603] <... clone resumed>, child_tidptr=0x555555bcb690) = 13410
[pid 13410] <... mount resumed>)        = -1 EINVAL (Invalid argument)
[pid 13410] sync()                      = 0
[pid 13410] exit_group(0)               = ?
[pid 13410] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13410, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13411
./strace-static-x86_64: Process 13411 attached
[pid 13411] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13411] setpgid(0, 0)               = 0
[pid 13411] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13411] write(3, "1000", 4)         = 4
[pid 13411] close(3)                    = 0
[pid 13411] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13411] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13411] pipe2([3, 4], 0)            = 0
[pid 13411] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13411] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13411] sync()                      = 0
[pid 13411] exit_group(0)               = ?
[pid 13411] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13411, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13412 attached
, child_tidptr=0x555555bcb690) = 13412
[pid 13412] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13412] setpgid(0, 0)               = 0
[pid 13412] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13412] write(3, "1000", 4)         = 4
[pid 13412] close(3)                    = 0
[pid 13412] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13412] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13412] pipe2([3, 4], 0)            = 0
[pid 13412] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13412] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13412] sync()                      = 0
[pid 13412] exit_group(0)               = ?
[pid 13412] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13412, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13413 attached
, child_tidptr=0x555555bcb690) = 13413
[pid 13413] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13413] setpgid(0, 0)               = 0
[pid 13413] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13413] write(3, "1000", 4)         = 4
[pid 13413] close(3)                    = 0
[pid 13413] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13413] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13413] pipe2([3, 4], 0)            = 0
[pid 13413] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13413] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13413] sync()                      = 0
[pid 13413] exit_group(0)               = ?
[pid 13413] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13413, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13414
./strace-static-x86_64: Process 13414 attached
[pid 13414] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13414] setpgid(0, 0)               = 0
[pid 13414] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13414] write(3, "1000", 4)         = 4
[pid 13414] close(3)                    = 0
[pid 13414] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13414] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13414] pipe2([3, 4], 0)            = 0
[pid 13414] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13414] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13414] sync()                      = 0
[pid 13414] exit_group(0)               = ?
[pid 13414] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13414, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13415
./strace-static-x86_64: Process 13415 attached
[pid 13415] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13415] setpgid(0, 0)               = 0
[pid 13415] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13415] write(3, "1000", 4)         = 4
[pid 13415] close(3)                    = 0
[pid 13415] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13415] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13415] pipe2([3, 4], 0)            = 0
[pid 13415] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13415] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13415] sync()                      = 0
[pid 13415] exit_group(0)               = ?
[pid 13415] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13415, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13416 attached
, child_tidptr=0x555555bcb690) = 13416
[pid 13416] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13416] setpgid(0, 0)               = 0
[pid 13416] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13416] write(3, "1000", 4)         = 4
[pid 13416] close(3)                    = 0
[pid 13416] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13416] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13416] pipe2([3, 4], 0)            = 0
[pid 13416] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13416] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13416] sync()                      = 0
[pid 13416] exit_group(0)               = ?
[pid 13416] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13416, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13417
./strace-static-x86_64: Process 13417 attached
[pid 13417] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13417] setpgid(0, 0)               = 0
[pid 13417] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13417] write(3, "1000", 4)         = 4
[pid 13417] close(3)                    = 0
[pid 13417] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13417] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13417] pipe2([3, 4], 0)            = 0
[pid 13417] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13417] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13417] sync()                      = 0
[pid 13417] exit_group(0)               = ?
[pid 13417] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13417, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13418
./strace-static-x86_64: Process 13418 attached
[pid 13418] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13418] setpgid(0, 0)               = 0
[pid 13418] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13418] write(3, "1000", 4)         = 4
[pid 13418] close(3)                    = 0
[pid 13418] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13418] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13418] pipe2([3, 4], 0)            = 0
[pid 13418] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13418] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13418] sync()                      = 0
[pid 13418] exit_group(0)               = ?
[pid 13418] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13418, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13419
./strace-static-x86_64: Process 13419 attached
[pid 13419] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13419] setpgid(0, 0)               = 0
[pid 13419] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13419] write(3, "1000", 4)         = 4
[pid 13419] close(3)                    = 0
[pid 13419] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13419] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13419] pipe2([3, 4], 0)            = 0
[pid 13419] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13419] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13419] sync()                      = 0
[pid 13419] exit_group(0)               = ?
[pid 13419] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13419, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13420
./strace-static-x86_64: Process 13420 attached
[pid 13420] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13420] setpgid(0, 0)               = 0
[pid 13420] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13420] write(3, "1000", 4)         = 4
[pid 13420] close(3)                    = 0
[pid 13420] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13420] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13420] pipe2([3, 4], 0)            = 0
[pid 13420] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13420] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13420] sync()                      = 0
[pid 13420] exit_group(0)               = ?
[pid 13420] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13420, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13421
./strace-static-x86_64: Process 13421 attached
[pid 13421] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13421] setpgid(0, 0)               = 0
[pid 13421] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13421] write(3, "1000", 4)         = 4
[pid 13421] close(3)                    = 0
[pid 13421] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13421] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13421] pipe2([3, 4], 0)            = 0
[pid 13421] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13421] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13421] sync()                      = 0
[pid 13421] exit_group(0)               = ?
[pid 13421] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13421, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13422 attached
, child_tidptr=0x555555bcb690) = 13422
[pid 13422] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13422] setpgid(0, 0)               = 0
[pid 13422] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13422] write(3, "1000", 4)         = 4
[pid 13422] close(3)                    = 0
[pid 13422] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13422] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13422] pipe2([3, 4], 0)            = 0
[pid 13422] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13422] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13422] sync()                      = 0
[pid 13422] exit_group(0)               = ?
[pid 13422] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13422, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13423 attached
, child_tidptr=0x555555bcb690) = 13423
[pid 13423] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13423] setpgid(0, 0)               = 0
[pid 13423] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13423] write(3, "1000", 4)         = 4
[pid 13423] close(3)                    = 0
[pid 13423] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13423] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13423] pipe2([3, 4], 0)            = 0
[pid 13423] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13423] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13423] sync()                      = 0
[pid 13423] exit_group(0)               = ?
[pid 13423] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13423, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13424 attached
, child_tidptr=0x555555bcb690) = 13424
[pid 13424] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13424] setpgid(0, 0)               = 0
[pid 13424] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13424] write(3, "1000", 4)         = 4
[pid 13424] close(3)                    = 0
[pid 13424] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13424] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13424] pipe2([3, 4], 0)            = 0
[pid 13424] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13424] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13424] sync()                      = 0
[pid 13424] exit_group(0)               = ?
[pid 13424] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13424, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13425 attached
, child_tidptr=0x555555bcb690) = 13425
[pid 13425] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13425] setpgid(0, 0)               = 0
[pid 13425] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13425] write(3, "1000", 4)         = 4
[pid 13425] close(3)                    = 0
[pid 13425] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13425] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13425] pipe2([3, 4], 0)            = 0
[pid 13425] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13425] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13425] sync()                      = 0
[pid 13425] exit_group(0)               = ?
[pid 13425] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13425, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13426
./strace-static-x86_64: Process 13426 attached
[pid 13426] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13426] setpgid(0, 0)               = 0
[pid 13426] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13426] write(3, "1000", 4)         = 4
[pid 13426] close(3)                    = 0
[pid 13426] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13426] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13426] pipe2([3, 4], 0)            = 0
[pid 13426] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13426] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13426] sync()                      = 0
[pid 13426] exit_group(0)               = ?
[pid 13426] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13426, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13427
./strace-static-x86_64: Process 13427 attached
[pid 13427] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13427] setpgid(0, 0)               = 0
[pid 13427] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13427] write(3, "1000", 4)         = 4
[pid 13427] close(3)                    = 0
[pid 13427] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13427] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13427] pipe2([3, 4], 0)            = 0
[pid 13427] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13427] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13427] sync()                      = 0
[pid 13427] exit_group(0)               = ?
[pid 13427] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13427, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13428
./strace-static-x86_64: Process 13428 attached
[pid 13428] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13428] setpgid(0, 0)               = 0
[pid 13428] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13428] write(3, "1000", 4)         = 4
[pid 13428] close(3)                    = 0
[pid 13428] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13428] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13428] pipe2([3, 4], 0)            = 0
[pid 13428] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13428] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13428] sync()                      = 0
[pid 13428] exit_group(0)               = ?
[pid 13428] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13428, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13429
./strace-static-x86_64: Process 13429 attached
[pid 13429] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13429] setpgid(0, 0)               = 0
[pid 13429] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13429] write(3, "1000", 4)         = 4
[pid 13429] close(3)                    = 0
[pid 13429] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13429] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13429] pipe2([3, 4], 0)            = 0
[pid 13429] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13429] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13429] sync()                      = 0
[pid 13429] exit_group(0)               = ?
[pid 13429] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13429, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13430
./strace-static-x86_64: Process 13430 attached
[pid 13430] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13430] setpgid(0, 0)               = 0
[pid 13430] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13430] write(3, "1000", 4)         = 4
[pid 13430] close(3)                    = 0
[pid 13430] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13430] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13430] pipe2([3, 4], 0)            = 0
[pid 13430] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13430] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13430] sync()                      = 0
[pid 13430] exit_group(0)               = ?
[pid 13430] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13430, si_uid=0, si_status=0, si_utime=1, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13431
./strace-static-x86_64: Process 13431 attached
[pid 13431] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13431] setpgid(0, 0)               = 0
[pid 13431] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13431] write(3, "1000", 4)         = 4
[pid 13431] close(3)                    = 0
[pid 13431] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13431] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13431] pipe2([3, 4], 0)            = 0
[pid 13431] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13431] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13431] sync()                      = 0
[pid 13431] exit_group(0)               = ?
[pid 13431] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13431, si_uid=0, si_status=0, si_utime=1, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13432
./strace-static-x86_64: Process 13432 attached
[pid 13432] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13432] setpgid(0, 0)               = 0
[pid 13432] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13432] write(3, "1000", 4)         = 4
[pid 13432] close(3)                    = 0
[pid 13432] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13432] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13432] pipe2([3, 4], 0)            = 0
[pid 13432] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13432] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13432] sync()                      = 0
[pid 13432] exit_group(0)               = ?
[pid 13432] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13432, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13433
./strace-static-x86_64: Process 13433 attached
[pid 13433] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13433] setpgid(0, 0)               = 0
[pid 13433] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13433] write(3, "1000", 4)         = 4
[pid 13433] close(3)                    = 0
[pid 13433] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13433] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13433] pipe2([3, 4], 0)            = 0
[pid 13433] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13433] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13433] sync()                      = 0
[pid 13433] exit_group(0)               = ?
[pid 13433] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13433, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13434
./strace-static-x86_64: Process 13434 attached
[pid 13434] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13434] setpgid(0, 0)               = 0
[pid 13434] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13434] write(3, "1000", 4)         = 4
[pid 13434] close(3)                    = 0
[pid 13434] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13434] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13434] pipe2([3, 4], 0)            = 0
[pid 13434] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13434] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13434] sync()                      = 0
[pid 13434] exit_group(0)               = ?
[pid 13434] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13434, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13435
./strace-static-x86_64: Process 13435 attached
[pid 13435] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13435] setpgid(0, 0)               = 0
[pid 13435] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13435] write(3, "1000", 4)         = 4
[pid 13435] close(3)                    = 0
[pid 13435] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13435] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13435] pipe2([3, 4], 0)            = 0
[pid 13435] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13435] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13435] sync()                      = 0
[pid 13435] exit_group(0)               = ?
[pid 13435] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13435, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13436
./strace-static-x86_64: Process 13436 attached
[pid 13436] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13436] setpgid(0, 0)               = 0
[pid 13436] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13436] write(3, "1000", 4)         = 4
[pid 13436] close(3)                    = 0
[pid 13436] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13436] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13436] pipe2([3, 4], 0)            = 0
[pid 13436] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13436] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13436] sync()                      = 0
[pid 13436] exit_group(0)               = ?
[pid 13436] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13436, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13437 attached
, child_tidptr=0x555555bcb690) = 13437
[pid 13437] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13437] setpgid(0, 0)               = 0
[pid 13437] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13437] write(3, "1000", 4)         = 4
[pid 13437] close(3)                    = 0
[pid 13437] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13437] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13437] pipe2([3, 4], 0)            = 0
[pid 13437] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13437] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13437] sync()                      = 0
[pid 13437] exit_group(0)               = ?
[pid 13437] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13437, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13438
./strace-static-x86_64: Process 13438 attached
[pid 13438] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13438] setpgid(0, 0)               = 0
[pid 13438] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13438] write(3, "1000", 4)         = 4
[pid 13438] close(3)                    = 0
[pid 13438] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13438] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13438] pipe2([3, 4], 0)            = 0
[pid 13438] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13438] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13438] sync()                      = 0
[pid 13438] exit_group(0)               = ?
[pid 13438] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13438, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13439 attached
, child_tidptr=0x555555bcb690) = 13439
[pid 13439] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13439] setpgid(0, 0)               = 0
[pid 13439] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13439] write(3, "1000", 4)         = 4
[pid 13439] close(3)                    = 0
[pid 13439] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13439] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13439] pipe2([3, 4], 0)            = 0
[pid 13439] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13439] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13439] sync()                      = 0
[pid 13439] exit_group(0)               = ?
[pid 13439] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13439, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13440
./strace-static-x86_64: Process 13440 attached
[pid 13440] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13440] setpgid(0, 0)               = 0
[pid 13440] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13440] write(3, "1000", 4)         = 4
[pid 13440] close(3)                    = 0
[pid 13440] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13440] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13440] pipe2([3, 4], 0)            = 0
[pid 13440] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13440] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13440] sync()                      = 0
[pid 13440] exit_group(0)               = ?
[pid 13440] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13440, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13441 attached
, child_tidptr=0x555555bcb690) = 13441
[pid 13441] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13441] setpgid(0, 0)               = 0
[pid 13441] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13441] write(3, "1000", 4)         = 4
[pid 13441] close(3)                    = 0
[pid 13441] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13441] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13441] pipe2([3, 4], 0)            = 0
[pid 13441] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13441] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13441] sync()                      = 0
[pid 13441] exit_group(0)               = ?
[pid 13441] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13441, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13442 attached
 <unfinished ...>
[pid 13442] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13442] setpgid(0, 0)               = 0
[pid 13442] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13442] write(3, "1000", 4)         = 4
[pid 13442] close(3)                    = 0
[pid 13442] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13442] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13442] pipe2([3, 4], 0)            = 0
[pid 13442] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13442] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," <unfinished ...>
[pid  3603] <... clone resumed>, child_tidptr=0x555555bcb690) = 13442
[pid 13442] <... mount resumed>)        = -1 EINVAL (Invalid argument)
[pid 13442] sync()                      = 0
[pid 13442] exit_group(0)               = ?
[pid 13442] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13442, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13443
./strace-static-x86_64: Process 13443 attached
[pid 13443] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13443] setpgid(0, 0)               = 0
[pid 13443] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13443] write(3, "1000", 4)         = 4
[pid 13443] close(3)                    = 0
[pid 13443] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13443] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13443] pipe2([3, 4], 0)            = 0
[pid 13443] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13443] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13443] sync()                      = 0
[pid 13443] exit_group(0)               = ?
[pid 13443] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13443, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13444 attached
, child_tidptr=0x555555bcb690) = 13444
[pid 13444] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13444] setpgid(0, 0)               = 0
[pid 13444] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13444] write(3, "1000", 4)         = 4
[pid 13444] close(3)                    = 0
[pid 13444] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13444] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13444] pipe2([3, 4], 0)            = 0
[pid 13444] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13444] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13444] sync()                      = 0
[pid 13444] exit_group(0)               = ?
[pid 13444] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13444, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13445
./strace-static-x86_64: Process 13445 attached
[pid 13445] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13445] setpgid(0, 0)               = 0
[pid 13445] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13445] write(3, "1000", 4)         = 4
[pid 13445] close(3)                    = 0
[pid 13445] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13445] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13445] pipe2([3, 4], 0)            = 0
[pid 13445] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13445] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13445] sync()                      = 0
[pid 13445] exit_group(0)               = ?
[pid 13445] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13445, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13446
./strace-static-x86_64: Process 13446 attached
[pid 13446] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13446] setpgid(0, 0)               = 0
[pid 13446] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13446] write(3, "1000", 4)         = 4
[pid 13446] close(3)                    = 0
[pid 13446] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13446] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13446] pipe2([3, 4], 0)            = 0
[pid 13446] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13446] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13446] sync()                      = 0
[pid 13446] exit_group(0)               = ?
[pid 13446] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13446, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13447 attached
, child_tidptr=0x555555bcb690) = 13447
[pid 13447] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13447] setpgid(0, 0)               = 0
[pid 13447] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13447] write(3, "1000", 4)         = 4
[pid 13447] close(3)                    = 0
[pid 13447] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13447] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13447] pipe2([3, 4], 0)            = 0
[pid 13447] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13447] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13447] sync()                      = 0
[pid 13447] exit_group(0)               = ?
[pid 13447] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13447, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13448
./strace-static-x86_64: Process 13448 attached
[pid 13448] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13448] setpgid(0, 0)               = 0
[pid 13448] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13448] write(3, "1000", 4)         = 4
[pid 13448] close(3)                    = 0
[pid 13448] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13448] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13448] pipe2([3, 4], 0)            = 0
[pid 13448] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13448] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13448] sync()                      = 0
[pid 13448] exit_group(0)               = ?
[pid 13448] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13448, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13449
./strace-static-x86_64: Process 13449 attached
[pid 13449] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13449] setpgid(0, 0)               = 0
[pid 13449] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13449] write(3, "1000", 4)         = 4
[pid 13449] close(3)                    = 0
[pid 13449] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13449] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13449] pipe2([3, 4], 0)            = 0
[pid 13449] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13449] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13449] sync()                      = 0
[pid 13449] exit_group(0)               = ?
[pid 13449] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13449, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13450 attached
, child_tidptr=0x555555bcb690) = 13450
[pid 13450] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13450] setpgid(0, 0)               = 0
[pid 13450] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13450] write(3, "1000", 4)         = 4
[pid 13450] close(3)                    = 0
[pid 13450] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13450] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13450] pipe2([3, 4], 0)            = 0
[pid 13450] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13450] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13450] sync()                      = 0
[pid 13450] exit_group(0)               = ?
[pid 13450] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13450, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13451
./strace-static-x86_64: Process 13451 attached
[pid 13451] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13451] setpgid(0, 0)               = 0
[pid 13451] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13451] write(3, "1000", 4)         = 4
[pid 13451] close(3)                    = 0
[pid 13451] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13451] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13451] pipe2([3, 4], 0)            = 0
[pid 13451] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13451] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13451] sync()                      = 0
[pid 13451] exit_group(0)               = ?
[pid 13451] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13451, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13452 attached
, child_tidptr=0x555555bcb690) = 13452
[pid 13452] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13452] setpgid(0, 0)               = 0
[pid 13452] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13452] write(3, "1000", 4)         = 4
[pid 13452] close(3)                    = 0
[pid 13452] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13452] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13452] pipe2([3, 4], 0)            = 0
[pid 13452] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13452] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13452] sync()                      = 0
[pid 13452] exit_group(0)               = ?
[pid 13452] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13452, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13453 attached
, child_tidptr=0x555555bcb690) = 13453
[pid 13453] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13453] setpgid(0, 0)               = 0
[pid 13453] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13453] write(3, "1000", 4)         = 4
[pid 13453] close(3)                    = 0
[pid 13453] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13453] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13453] pipe2([3, 4], 0)            = 0
[pid 13453] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13453] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13453] sync()                      = 0
[pid 13453] exit_group(0)               = ?
[pid 13453] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13453, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13454 attached
, child_tidptr=0x555555bcb690) = 13454
[pid 13454] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13454] setpgid(0, 0)               = 0
[pid 13454] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13454] write(3, "1000", 4)         = 4
[pid 13454] close(3)                    = 0
[pid 13454] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13454] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13454] pipe2([3, 4], 0)            = 0
[pid 13454] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13454] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13454] sync()                      = 0
[pid 13454] exit_group(0)               = ?
[pid 13454] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13454, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13455 attached
 <unfinished ...>
[pid 13455] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13455] setpgid(0, 0)               = 0
[pid 13455] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3603] <... clone resumed>, child_tidptr=0x555555bcb690) = 13455
[pid 13455] <... openat resumed>)       = 3
[pid 13455] write(3, "1000", 4)         = 4
[pid 13455] close(3)                    = 0
[pid 13455] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13455] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13455] pipe2([3, 4], 0)            = 0
[pid 13455] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13455] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13455] sync()                      = 0
[pid 13455] exit_group(0)               = ?
[pid 13455] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13455, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13456 attached
, child_tidptr=0x555555bcb690) = 13456
[pid 13456] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13456] setpgid(0, 0)               = 0
[pid 13456] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13456] write(3, "1000", 4)         = 4
[pid 13456] close(3)                    = 0
[pid 13456] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13456] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13456] pipe2([3, 4], 0)            = 0
[pid 13456] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13456] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13456] sync()                      = 0
[pid 13456] exit_group(0)               = ?
[pid 13456] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13456, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13457 attached
, child_tidptr=0x555555bcb690) = 13457
[pid 13457] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13457] setpgid(0, 0)               = 0
[pid 13457] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13457] write(3, "1000", 4)         = 4
[pid 13457] close(3)                    = 0
[pid 13457] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13457] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13457] pipe2([3, 4], 0)            = 0
[pid 13457] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13457] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13457] sync()                      = 0
[pid 13457] exit_group(0)               = ?
[pid 13457] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13457, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13458
./strace-static-x86_64: Process 13458 attached
[pid 13458] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13458] setpgid(0, 0)               = 0
[pid 13458] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13458] write(3, "1000", 4)         = 4
[pid 13458] close(3)                    = 0
[pid 13458] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13458] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13458] pipe2([3, 4], 0)            = 0
[pid 13458] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13458] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13458] sync()                      = 0
[pid 13458] exit_group(0)               = ?
[pid 13458] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13458, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13459 attached
, child_tidptr=0x555555bcb690) = 13459
[pid 13459] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13459] setpgid(0, 0)               = 0
[pid 13459] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13459] write(3, "1000", 4)         = 4
[pid 13459] close(3)                    = 0
[pid 13459] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13459] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13459] pipe2([3, 4], 0)            = 0
[pid 13459] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13459] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13459] sync()                      = 0
[pid 13459] exit_group(0)               = ?
[pid 13459] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13459, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13460
./strace-static-x86_64: Process 13460 attached
[pid 13460] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13460] setpgid(0, 0)               = 0
[pid 13460] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13460] write(3, "1000", 4)         = 4
[pid 13460] close(3)                    = 0
[pid 13460] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13460] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13460] pipe2([3, 4], 0)            = 0
[pid 13460] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13460] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13460] sync()                      = 0
[pid 13460] exit_group(0)               = ?
[pid 13460] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13460, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13461 attached
, child_tidptr=0x555555bcb690) = 13461
[pid 13461] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13461] setpgid(0, 0)               = 0
[pid 13461] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13461] write(3, "1000", 4)         = 4
[pid 13461] close(3)                    = 0
[pid 13461] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13461] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13461] pipe2([3, 4], 0)            = 0
[pid 13461] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13461] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13461] sync()                      = 0
[pid 13461] exit_group(0)               = ?
[pid 13461] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13461, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13462
./strace-static-x86_64: Process 13462 attached
[pid 13462] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13462] setpgid(0, 0)               = 0
[pid 13462] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13462] write(3, "1000", 4)         = 4
[pid 13462] close(3)                    = 0
[pid 13462] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13462] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13462] pipe2([3, 4], 0)            = 0
[pid 13462] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13462] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13462] sync()                      = 0
[pid 13462] exit_group(0)               = ?
[pid 13462] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13462, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13463 attached
, child_tidptr=0x555555bcb690) = 13463
[pid 13463] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13463] setpgid(0, 0)               = 0
[pid 13463] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13463] write(3, "1000", 4)         = 4
[pid 13463] close(3)                    = 0
[pid 13463] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13463] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13463] pipe2([3, 4], 0)            = 0
[pid 13463] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13463] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13463] sync()                      = 0
[pid 13463] exit_group(0)               = ?
[pid 13463] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13463, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13464 attached
, child_tidptr=0x555555bcb690) = 13464
[pid 13464] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13464] setpgid(0, 0)               = 0
[pid 13464] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13464] write(3, "1000", 4)         = 4
[pid 13464] close(3)                    = 0
[pid 13464] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13464] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13464] pipe2([3, 4], 0)            = 0
[pid 13464] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13464] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13464] sync()                      = 0
[pid 13464] exit_group(0)               = ?
[pid 13464] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13464, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13465 attached
, child_tidptr=0x555555bcb690) = 13465
[pid 13465] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13465] setpgid(0, 0)               = 0
[pid 13465] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13465] write(3, "1000", 4)         = 4
[pid 13465] close(3)                    = 0
[pid 13465] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13465] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13465] pipe2([3, 4], 0)            = 0
[pid 13465] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13465] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13465] sync()                      = 0
[pid 13465] exit_group(0)               = ?
[pid 13465] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13465, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13466 attached
, child_tidptr=0x555555bcb690) = 13466
[pid 13466] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13466] setpgid(0, 0)               = 0
[pid 13466] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13466] write(3, "1000", 4)         = 4
[pid 13466] close(3)                    = 0
[pid 13466] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13466] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13466] pipe2([3, 4], 0)            = 0
[pid 13466] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13466] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13466] sync()                      = 0
[pid 13466] exit_group(0)               = ?
[pid 13466] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13466, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13467 attached
, child_tidptr=0x555555bcb690) = 13467
[pid 13467] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13467] setpgid(0, 0)               = 0
[pid 13467] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13467] write(3, "1000", 4)         = 4
[pid 13467] close(3)                    = 0
[pid 13467] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13467] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13467] pipe2([3, 4], 0)            = 0
[pid 13467] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13467] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13467] sync()                      = 0
[pid 13467] exit_group(0)               = ?
[pid 13467] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13467, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13468
./strace-static-x86_64: Process 13468 attached
[pid 13468] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13468] setpgid(0, 0)               = 0
[pid 13468] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13468] write(3, "1000", 4)         = 4
[pid 13468] close(3)                    = 0
[pid 13468] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13468] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13468] pipe2([3, 4], 0)            = 0
[pid 13468] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13468] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13468] sync()                      = 0
[pid 13468] exit_group(0)               = ?
[pid 13468] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13468, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13469
./strace-static-x86_64: Process 13469 attached
[pid 13469] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13469] setpgid(0, 0)               = 0
[pid 13469] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13469] write(3, "1000", 4)         = 4
[pid 13469] close(3)                    = 0
[pid 13469] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13469] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13469] pipe2([3, 4], 0)            = 0
[pid 13469] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13469] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13469] sync()                      = 0
[pid 13469] exit_group(0)               = ?
[pid 13469] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13469, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13470
./strace-static-x86_64: Process 13470 attached
[pid 13470] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13470] setpgid(0, 0)               = 0
[pid 13470] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13470] write(3, "1000", 4)         = 4
[pid 13470] close(3)                    = 0
[pid 13470] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13470] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13470] pipe2([3, 4], 0)            = 0
[pid 13470] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13470] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13470] sync()                      = 0
[pid 13470] exit_group(0)               = ?
[pid 13470] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13470, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13471 attached
, child_tidptr=0x555555bcb690) = 13471
[pid 13471] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13471] setpgid(0, 0)               = 0
[pid 13471] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13471] write(3, "1000", 4)         = 4
[pid 13471] close(3)                    = 0
[pid 13471] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13471] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13471] pipe2([3, 4], 0)            = 0
[pid 13471] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13471] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13471] sync()                      = 0
[pid 13471] exit_group(0)               = ?
[pid 13471] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13471, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13472 attached
, child_tidptr=0x555555bcb690) = 13472
[pid 13472] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13472] setpgid(0, 0)               = 0
[pid 13472] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13472] write(3, "1000", 4)         = 4
[pid 13472] close(3)                    = 0
[pid 13472] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13472] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13472] pipe2([3, 4], 0)            = 0
[pid 13472] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13472] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13472] sync()                      = 0
[pid 13472] exit_group(0)               = ?
[pid 13472] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13472, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13473 attached
 <unfinished ...>
[pid 13473] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13473] setpgid(0, 0)               = 0
[pid 13473] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13473] write(3, "1000", 4)         = 4
[pid 13473] close(3)                    = 0
[pid 13473] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13473] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13473] pipe2([3, 4], 0)            = 0
[pid 13473] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13473] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," <unfinished ...>
[pid  3603] <... clone resumed>, child_tidptr=0x555555bcb690) = 13473
[pid 13473] <... mount resumed>)        = -1 EINVAL (Invalid argument)
[pid 13473] sync()                      = 0
[pid 13473] exit_group(0)               = ?
[pid 13473] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13473, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13474
./strace-static-x86_64: Process 13474 attached
[pid 13474] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13474] setpgid(0, 0)               = 0
[pid 13474] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13474] write(3, "1000", 4)         = 4
[pid 13474] close(3)                    = 0
[pid 13474] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13474] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13474] pipe2([3, 4], 0)            = 0
[pid 13474] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13474] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13474] sync()                      = 0
[pid 13474] exit_group(0)               = ?
[pid 13474] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13474, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13475
./strace-static-x86_64: Process 13475 attached
[pid 13475] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13475] setpgid(0, 0)               = 0
[pid 13475] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13475] write(3, "1000", 4)         = 4
[pid 13475] close(3)                    = 0
[pid 13475] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13475] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13475] pipe2([3, 4], 0)            = 0
[pid 13475] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13475] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13475] sync()                      = 0
[pid 13475] exit_group(0)               = ?
[pid 13475] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13475, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13476
./strace-static-x86_64: Process 13476 attached
[pid 13476] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13476] setpgid(0, 0)               = 0
[pid 13476] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13476] write(3, "1000", 4)         = 4
[pid 13476] close(3)                    = 0
[pid 13476] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13476] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13476] pipe2([3, 4], 0)            = 0
[pid 13476] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13476] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13476] sync()                      = 0
[pid 13476] exit_group(0)               = ?
[pid 13476] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13476, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13477
./strace-static-x86_64: Process 13477 attached
[pid 13477] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13477] setpgid(0, 0)               = 0
[pid 13477] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13477] write(3, "1000", 4)         = 4
[pid 13477] close(3)                    = 0
[pid 13477] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13477] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13477] pipe2([3, 4], 0)            = 0
[pid 13477] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13477] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13477] sync()                      = 0
[pid 13477] exit_group(0)               = ?
[pid 13477] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13477, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13478
./strace-static-x86_64: Process 13478 attached
[pid 13478] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13478] setpgid(0, 0)               = 0
[pid 13478] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13478] write(3, "1000", 4)         = 4
[pid 13478] close(3)                    = 0
[pid 13478] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13478] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13478] pipe2([3, 4], 0)            = 0
[pid 13478] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13478] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13478] sync()                      = 0
[pid 13478] exit_group(0)               = ?
[pid 13478] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13478, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13479 attached
, child_tidptr=0x555555bcb690) = 13479
[pid 13479] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13479] setpgid(0, 0)               = 0
[pid 13479] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13479] write(3, "1000", 4)         = 4
[pid 13479] close(3)                    = 0
[pid 13479] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13479] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13479] pipe2([3, 4], 0)            = 0
[pid 13479] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13479] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13479] sync()                      = 0
[pid 13479] exit_group(0)               = ?
[pid 13479] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13479, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13480 attached
, child_tidptr=0x555555bcb690) = 13480
[pid 13480] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13480] setpgid(0, 0)               = 0
[pid 13480] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13480] write(3, "1000", 4)         = 4
[pid 13480] close(3)                    = 0
[pid 13480] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13480] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13480] pipe2([3, 4], 0)            = 0
[pid 13480] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13480] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13480] sync()                      = 0
[pid 13480] exit_group(0)               = ?
[pid 13480] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13480, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13481
./strace-static-x86_64: Process 13481 attached
[pid 13481] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13481] setpgid(0, 0)               = 0
[pid 13481] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13481] write(3, "1000", 4)         = 4
[pid 13481] close(3)                    = 0
[pid 13481] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13481] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13481] pipe2([3, 4], 0)            = 0
[pid 13481] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13481] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13481] sync()                      = 0
[pid 13481] exit_group(0)               = ?
[pid 13481] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13481, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13482
./strace-static-x86_64: Process 13482 attached
[pid 13482] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13482] setpgid(0, 0)               = 0
[pid 13482] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13482] write(3, "1000", 4)         = 4
[pid 13482] close(3)                    = 0
[pid 13482] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13482] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13482] pipe2([3, 4], 0)            = 0
[pid 13482] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13482] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13482] sync()                      = 0
[pid 13482] exit_group(0)               = ?
[pid 13482] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13482, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13483 attached
, child_tidptr=0x555555bcb690) = 13483
[pid 13483] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13483] setpgid(0, 0)               = 0
[pid 13483] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13483] write(3, "1000", 4)         = 4
[pid 13483] close(3)                    = 0
[pid 13483] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13483] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13483] pipe2([3, 4], 0)            = 0
[pid 13483] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13483] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13483] sync()                      = 0
[pid 13483] exit_group(0)               = ?
[pid 13483] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13483, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13484
./strace-static-x86_64: Process 13484 attached
[pid 13484] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13484] setpgid(0, 0)               = 0
[pid 13484] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13484] write(3, "1000", 4)         = 4
[pid 13484] close(3)                    = 0
[pid 13484] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13484] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13484] pipe2([3, 4], 0)            = 0
[pid 13484] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13484] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13484] sync()                      = 0
[pid 13484] exit_group(0)               = ?
[pid 13484] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13484, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13485
./strace-static-x86_64: Process 13485 attached
[pid 13485] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13485] setpgid(0, 0)               = 0
[pid 13485] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13485] write(3, "1000", 4)         = 4
[pid 13485] close(3)                    = 0
[pid 13485] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13485] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13485] pipe2([3, 4], 0)            = 0
[pid 13485] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13485] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13485] sync()                      = 0
[pid 13485] exit_group(0)               = ?
[pid 13485] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13485, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13486 attached
, child_tidptr=0x555555bcb690) = 13486
[pid 13486] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13486] setpgid(0, 0)               = 0
[pid 13486] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13486] write(3, "1000", 4)         = 4
[pid 13486] close(3)                    = 0
[pid 13486] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13486] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13486] pipe2([3, 4], 0)            = 0
[pid 13486] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13486] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13486] sync()                      = 0
[pid 13486] exit_group(0)               = ?
[pid 13486] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13486, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13487 attached
, child_tidptr=0x555555bcb690) = 13487
[pid 13487] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13487] setpgid(0, 0)               = 0
[pid 13487] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13487] write(3, "1000", 4)         = 4
[pid 13487] close(3)                    = 0
[pid 13487] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13487] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13487] pipe2([3, 4], 0)            = 0
[pid 13487] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13487] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13487] sync()                      = 0
[pid 13487] exit_group(0)               = ?
[pid 13487] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13487, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13488 attached
, child_tidptr=0x555555bcb690) = 13488
[pid 13488] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13488] setpgid(0, 0)               = 0
[pid 13488] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13488] write(3, "1000", 4)         = 4
[pid 13488] close(3)                    = 0
[pid 13488] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13488] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13488] pipe2([3, 4], 0)            = 0
[pid 13488] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13488] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13488] sync()                      = 0
[pid 13488] exit_group(0)               = ?
[pid 13488] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13488, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13489 attached
, child_tidptr=0x555555bcb690) = 13489
[pid 13489] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13489] setpgid(0, 0)               = 0
[pid 13489] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13489] write(3, "1000", 4)         = 4
[pid 13489] close(3)                    = 0
[pid 13489] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13489] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13489] pipe2([3, 4], 0)            = 0
[pid 13489] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13489] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13489] sync()                      = 0
[pid 13489] exit_group(0)               = ?
[pid 13489] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13489, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13490
./strace-static-x86_64: Process 13490 attached
[pid 13490] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13490] setpgid(0, 0)               = 0
[pid 13490] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13490] write(3, "1000", 4)         = 4
[pid 13490] close(3)                    = 0
[pid 13490] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13490] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13490] pipe2([3, 4], 0)            = 0
[pid 13490] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13490] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13490] sync()                      = 0
[pid 13490] exit_group(0)               = ?
[pid 13490] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13490, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13491 attached
, child_tidptr=0x555555bcb690) = 13491
[pid 13491] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13491] setpgid(0, 0)               = 0
[pid 13491] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13491] write(3, "1000", 4)         = 4
[pid 13491] close(3)                    = 0
[pid 13491] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13491] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13491] pipe2([3, 4], 0)            = 0
[pid 13491] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13491] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13491] sync()                      = 0
[pid 13491] exit_group(0)               = ?
[pid 13491] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13491, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13492 attached
, child_tidptr=0x555555bcb690) = 13492
[pid 13492] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13492] setpgid(0, 0)               = 0
[pid 13492] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13492] write(3, "1000", 4)         = 4
[pid 13492] close(3)                    = 0
[pid 13492] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13492] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13492] pipe2([3, 4], 0)            = 0
[pid 13492] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13492] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13492] sync()                      = 0
[pid 13492] exit_group(0)               = ?
[pid 13492] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13492, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13493 attached
, child_tidptr=0x555555bcb690) = 13493
[pid 13493] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13493] setpgid(0, 0)               = 0
[pid 13493] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13493] write(3, "1000", 4)         = 4
[pid 13493] close(3)                    = 0
[pid 13493] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13493] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13493] pipe2([3, 4], 0)            = 0
[pid 13493] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13493] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13493] sync()                      = 0
[pid 13493] exit_group(0)               = ?
[pid 13493] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13493, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13494 attached
, child_tidptr=0x555555bcb690) = 13494
[pid 13494] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13494] setpgid(0, 0)               = 0
[pid 13494] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13494] write(3, "1000", 4)         = 4
[pid 13494] close(3)                    = 0
[pid 13494] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13494] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13494] pipe2([3, 4], 0)            = 0
[pid 13494] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13494] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13494] sync()                      = 0
[pid 13494] exit_group(0)               = ?
[pid 13494] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13494, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13495 attached
, child_tidptr=0x555555bcb690) = 13495
[pid 13495] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13495] setpgid(0, 0)               = 0
[pid 13495] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13495] write(3, "1000", 4)         = 4
[pid 13495] close(3)                    = 0
[pid 13495] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13495] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13495] pipe2([3, 4], 0)            = 0
[pid 13495] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13495] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13495] sync()                      = 0
[pid 13495] exit_group(0)               = ?
[pid 13495] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13495, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13496 attached
, child_tidptr=0x555555bcb690) = 13496
[pid 13496] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13496] setpgid(0, 0)               = 0
[pid 13496] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13496] write(3, "1000", 4)         = 4
[pid 13496] close(3)                    = 0
[pid 13496] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13496] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13496] pipe2([3, 4], 0)            = 0
[pid 13496] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13496] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13496] sync()                      = 0
[pid 13496] exit_group(0)               = ?
[pid 13496] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13496, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13497
./strace-static-x86_64: Process 13497 attached
[pid 13497] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13497] setpgid(0, 0)               = 0
[pid 13497] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13497] write(3, "1000", 4)         = 4
[pid 13497] close(3)                    = 0
[pid 13497] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13497] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13497] pipe2([3, 4], 0)            = 0
[pid 13497] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13497] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13497] sync()                      = 0
[pid 13497] exit_group(0)               = ?
[pid 13497] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13497, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13498 attached
, child_tidptr=0x555555bcb690) = 13498
[pid 13498] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13498] setpgid(0, 0)               = 0
[pid 13498] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13498] write(3, "1000", 4)         = 4
[pid 13498] close(3)                    = 0
[pid 13498] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13498] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13498] pipe2([3, 4], 0)            = 0
[pid 13498] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13498] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13498] sync()                      = 0
[pid 13498] exit_group(0)               = ?
[pid 13498] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13498, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13499 attached
 <unfinished ...>
[pid 13499] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13499] setpgid(0, 0)               = 0
[pid 13499] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13499] write(3, "1000", 4)         = 4
[pid 13499] close(3)                    = 0
[pid 13499] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13499] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13499] pipe2([3, 4], 0)            = 0
[pid 13499] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13499] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," <unfinished ...>
[pid  3603] <... clone resumed>, child_tidptr=0x555555bcb690) = 13499
[pid 13499] <... mount resumed>)        = -1 EINVAL (Invalid argument)
[pid 13499] sync()                      = 0
[pid 13499] exit_group(0)               = ?
[pid 13499] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13499, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13500
./strace-static-x86_64: Process 13500 attached
[pid 13500] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13500] setpgid(0, 0)               = 0
[pid 13500] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13500] write(3, "1000", 4)         = 4
[pid 13500] close(3)                    = 0
[pid 13500] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13500] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13500] pipe2([3, 4], 0)            = 0
[pid 13500] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13500] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13500] sync()                      = 0
[pid 13500] exit_group(0)               = ?
[pid 13500] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13500, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13501
./strace-static-x86_64: Process 13501 attached
[pid 13501] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13501] setpgid(0, 0)               = 0
[pid 13501] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13501] write(3, "1000", 4)         = 4
[pid 13501] close(3)                    = 0
[pid 13501] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13501] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13501] pipe2([3, 4], 0)            = 0
[pid 13501] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13501] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13501] sync()                      = 0
[pid 13501] exit_group(0)               = ?
[pid 13501] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13501, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13502
./strace-static-x86_64: Process 13502 attached
[pid 13502] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13502] setpgid(0, 0)               = 0
[pid 13502] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13502] write(3, "1000", 4)         = 4
[pid 13502] close(3)                    = 0
[pid 13502] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13502] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13502] pipe2([3, 4], 0)            = 0
[pid 13502] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13502] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13502] sync()                      = 0
[pid 13502] exit_group(0)               = ?
[pid 13502] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13502, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13503
./strace-static-x86_64: Process 13503 attached
[pid 13503] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13503] setpgid(0, 0)               = 0
[pid 13503] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13503] write(3, "1000", 4)         = 4
[pid 13503] close(3)                    = 0
[pid 13503] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13503] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13503] pipe2([3, 4], 0)            = 0
[pid 13503] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13503] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13503] sync()                      = 0
[pid 13503] exit_group(0)               = ?
[pid 13503] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13503, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13504
./strace-static-x86_64: Process 13504 attached
[pid 13504] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13504] setpgid(0, 0)               = 0
[pid 13504] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13504] write(3, "1000", 4)         = 4
[pid 13504] close(3)                    = 0
[pid 13504] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13504] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13504] pipe2([3, 4], 0)            = 0
[pid 13504] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13504] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13504] sync()                      = 0
[pid 13504] exit_group(0)               = ?
[pid 13504] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13504, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13505 attached
, child_tidptr=0x555555bcb690) = 13505
[pid 13505] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13505] setpgid(0, 0)               = 0
[pid 13505] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13505] write(3, "1000", 4)         = 4
[pid 13505] close(3)                    = 0
[pid 13505] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13505] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13505] pipe2([3, 4], 0)            = 0
[pid 13505] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13505] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13505] sync()                      = 0
[pid 13505] exit_group(0)               = ?
[pid 13505] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13505, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13506 attached
, child_tidptr=0x555555bcb690) = 13506
[pid 13506] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13506] setpgid(0, 0)               = 0
[pid 13506] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13506] write(3, "1000", 4)         = 4
[pid 13506] close(3)                    = 0
[pid 13506] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13506] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13506] pipe2([3, 4], 0)            = 0
[pid 13506] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13506] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13506] sync()                      = 0
[pid 13506] exit_group(0)               = ?
[pid 13506] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13506, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13507
./strace-static-x86_64: Process 13507 attached
[pid 13507] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13507] setpgid(0, 0)               = 0
[pid 13507] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13507] write(3, "1000", 4)         = 4
[pid 13507] close(3)                    = 0
[pid 13507] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13507] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13507] pipe2([3, 4], 0)            = 0
[pid 13507] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13507] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13507] sync()                      = 0
[pid 13507] exit_group(0)               = ?
[pid 13507] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13507, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13508 attached
, child_tidptr=0x555555bcb690) = 13508
[pid 13508] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13508] setpgid(0, 0)               = 0
[pid 13508] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13508] write(3, "1000", 4)         = 4
[pid 13508] close(3)                    = 0
[pid 13508] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13508] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13508] pipe2([3, 4], 0)            = 0
[pid 13508] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13508] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13508] sync()                      = 0
[pid 13508] exit_group(0)               = ?
[pid 13508] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13508, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13509
./strace-static-x86_64: Process 13509 attached
[pid 13509] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13509] setpgid(0, 0)               = 0
[pid 13509] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13509] write(3, "1000", 4)         = 4
[pid 13509] close(3)                    = 0
[pid 13509] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13509] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13509] pipe2([3, 4], 0)            = 0
[pid 13509] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13509] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13509] sync()                      = 0
[pid 13509] exit_group(0)               = ?
[pid 13509] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13509, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13510 attached
, child_tidptr=0x555555bcb690) = 13510
[pid 13510] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13510] setpgid(0, 0)               = 0
[pid 13510] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13510] write(3, "1000", 4)         = 4
[pid 13510] close(3)                    = 0
[pid 13510] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13510] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13510] pipe2([3, 4], 0)            = 0
[pid 13510] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13510] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13510] sync()                      = 0
[pid 13510] exit_group(0)               = ?
[pid 13510] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13510, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13511
./strace-static-x86_64: Process 13511 attached
[pid 13511] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13511] setpgid(0, 0)               = 0
[pid 13511] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13511] write(3, "1000", 4)         = 4
[pid 13511] close(3)                    = 0
[pid 13511] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13511] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13511] pipe2([3, 4], 0)            = 0
[pid 13511] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13511] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13511] sync()                      = 0
[pid 13511] exit_group(0)               = ?
[pid 13511] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13511, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13512
./strace-static-x86_64: Process 13512 attached
[pid 13512] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13512] setpgid(0, 0)               = 0
[pid 13512] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13512] write(3, "1000", 4)         = 4
[pid 13512] close(3)                    = 0
[pid 13512] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13512] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13512] pipe2([3, 4], 0)            = 0
[pid 13512] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13512] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13512] sync()                      = 0
[pid 13512] exit_group(0)               = ?
[pid 13512] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13512, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13513 attached
, child_tidptr=0x555555bcb690) = 13513
[pid 13513] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13513] setpgid(0, 0)               = 0
[pid 13513] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13513] write(3, "1000", 4)         = 4
[pid 13513] close(3)                    = 0
[pid 13513] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13513] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13513] pipe2([3, 4], 0)            = 0
[pid 13513] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13513] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13513] sync()                      = 0
[pid 13513] exit_group(0)               = ?
[pid 13513] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13513, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13514
./strace-static-x86_64: Process 13514 attached
[pid 13514] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13514] setpgid(0, 0)               = 0
[pid 13514] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13514] write(3, "1000", 4)         = 4
[pid 13514] close(3)                    = 0
[pid 13514] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13514] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13514] pipe2([3, 4], 0)            = 0
[pid 13514] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13514] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13514] sync()                      = 0
[pid 13514] exit_group(0)               = ?
[pid 13514] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13514, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13515 attached
, child_tidptr=0x555555bcb690) = 13515
[pid 13515] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13515] setpgid(0, 0)               = 0
[pid 13515] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13515] write(3, "1000", 4)         = 4
[pid 13515] close(3)                    = 0
[pid 13515] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13515] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13515] pipe2([3, 4], 0)            = 0
[pid 13515] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13515] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13515] sync()                      = 0
[pid 13515] exit_group(0)               = ?
[pid 13515] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13515, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13516
./strace-static-x86_64: Process 13516 attached
[pid 13516] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13516] setpgid(0, 0)               = 0
[pid 13516] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13516] write(3, "1000", 4)         = 4
[pid 13516] close(3)                    = 0
[pid 13516] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13516] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13516] pipe2([3, 4], 0)            = 0
[pid 13516] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13516] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13516] sync()                      = 0
[pid 13516] exit_group(0)               = ?
[pid 13516] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13516, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13517 attached
, child_tidptr=0x555555bcb690) = 13517
[pid 13517] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13517] setpgid(0, 0)               = 0
[pid 13517] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13517] write(3, "1000", 4)         = 4
[pid 13517] close(3)                    = 0
[pid 13517] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13517] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13517] pipe2([3, 4], 0)            = 0
[pid 13517] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13517] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13517] sync()                      = 0
[pid 13517] exit_group(0)               = ?
[pid 13517] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13517, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13518
./strace-static-x86_64: Process 13518 attached
[pid 13518] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13518] setpgid(0, 0)               = 0
[pid 13518] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13518] write(3, "1000", 4)         = 4
[pid 13518] close(3)                    = 0
[pid 13518] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13518] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13518] pipe2([3, 4], 0)            = 0
[pid 13518] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13518] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13518] sync()                      = 0
[pid 13518] exit_group(0)               = ?
[pid 13518] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13518, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13519
./strace-static-x86_64: Process 13519 attached
[pid 13519] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13519] setpgid(0, 0)               = 0
[pid 13519] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13519] write(3, "1000", 4)         = 4
[pid 13519] close(3)                    = 0
[pid 13519] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13519] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13519] pipe2([3, 4], 0)            = 0
[pid 13519] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13519] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13519] sync()                      = 0
[pid 13519] exit_group(0)               = ?
[pid 13519] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13519, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13520 attached
, child_tidptr=0x555555bcb690) = 13520
[pid 13520] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13520] setpgid(0, 0)               = 0
[pid 13520] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13520] write(3, "1000", 4)         = 4
[pid 13520] close(3)                    = 0
[pid 13520] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13520] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13520] pipe2([3, 4], 0)            = 0
[pid 13520] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13520] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13520] sync()                      = 0
[pid 13520] exit_group(0)               = ?
[pid 13520] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13520, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13521
./strace-static-x86_64: Process 13521 attached
[pid 13521] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13521] setpgid(0, 0)               = 0
[pid 13521] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13521] write(3, "1000", 4)         = 4
[pid 13521] close(3)                    = 0
[pid 13521] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13521] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13521] pipe2([3, 4], 0)            = 0
[pid 13521] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13521] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13521] sync()                      = 0
[pid 13521] exit_group(0)               = ?
[pid 13521] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13521, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13522 attached
, child_tidptr=0x555555bcb690) = 13522
[pid 13522] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13522] setpgid(0, 0)               = 0
[pid 13522] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13522] write(3, "1000", 4)         = 4
[pid 13522] close(3)                    = 0
[pid 13522] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13522] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13522] pipe2([3, 4], 0)            = 0
[pid 13522] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13522] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13522] sync()                      = 0
[pid 13522] exit_group(0)               = ?
[pid 13522] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13522, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13523 attached
, child_tidptr=0x555555bcb690) = 13523
[pid 13523] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13523] setpgid(0, 0)               = 0
[pid 13523] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13523] write(3, "1000", 4)         = 4
[pid 13523] close(3)                    = 0
[pid 13523] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13523] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13523] pipe2([3, 4], 0)            = 0
[pid 13523] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13523] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13523] sync()                      = 0
[pid 13523] exit_group(0)               = ?
[pid 13523] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13523, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13524 attached
 <unfinished ...>
[pid 13524] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13524] setpgid(0, 0)               = 0
[pid 13524] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13524] write(3, "1000", 4)         = 4
[pid 13524] close(3)                    = 0
[pid 13524] mkdir("./file0", 0777 <unfinished ...>
[pid  3603] <... clone resumed>, child_tidptr=0x555555bcb690) = 13524
[pid 13524] <... mkdir resumed>)        = -1 EEXIST (File exists)
[pid 13524] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13524] pipe2([3, 4], 0)            = 0
[pid 13524] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13524] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13524] sync()                      = 0
[pid 13524] exit_group(0)               = ?
[pid 13524] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13524, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13525 attached
, child_tidptr=0x555555bcb690) = 13525
[pid 13525] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13525] setpgid(0, 0)               = 0
[pid 13525] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13525] write(3, "1000", 4)         = 4
[pid 13525] close(3)                    = 0
[pid 13525] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13525] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13525] pipe2([3, 4], 0)            = 0
[pid 13525] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13525] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13525] sync()                      = 0
[pid 13525] exit_group(0)               = ?
[pid 13525] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13525, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13526 attached
, child_tidptr=0x555555bcb690) = 13526
[pid 13526] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13526] setpgid(0, 0)               = 0
[pid 13526] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13526] write(3, "1000", 4)         = 4
[pid 13526] close(3)                    = 0
[pid 13526] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13526] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13526] pipe2([3, 4], 0)            = 0
[pid 13526] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13526] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13526] sync()                      = 0
[pid 13526] exit_group(0)               = ?
[pid 13526] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13526, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13527 attached
, child_tidptr=0x555555bcb690) = 13527
[pid 13527] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13527] setpgid(0, 0)               = 0
[pid 13527] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13527] write(3, "1000", 4)         = 4
[pid 13527] close(3)                    = 0
[pid 13527] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13527] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13527] pipe2([3, 4], 0)            = 0
[pid 13527] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13527] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13527] sync()                      = 0
[pid 13527] exit_group(0)               = ?
[pid 13527] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13527, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13528 attached
, child_tidptr=0x555555bcb690) = 13528
[pid 13528] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13528] setpgid(0, 0)               = 0
[pid 13528] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13528] write(3, "1000", 4)         = 4
[pid 13528] close(3)                    = 0
[pid 13528] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13528] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13528] pipe2([3, 4], 0)            = 0
[pid 13528] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13528] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13528] sync()                      = 0
[pid 13528] exit_group(0)               = ?
[pid 13528] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13528, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13529 attached
 <unfinished ...>
[pid 13529] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3603] <... clone resumed>, child_tidptr=0x555555bcb690) = 13529
[pid 13529] <... prctl resumed>)        = 0
[pid 13529] setpgid(0, 0)               = 0
[pid 13529] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13529] write(3, "1000", 4)         = 4
[pid 13529] close(3)                    = 0
[pid 13529] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13529] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13529] pipe2([3, 4], 0)            = 0
[pid 13529] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13529] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13529] sync()                      = 0
[pid 13529] exit_group(0)               = ?
[pid 13529] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13529, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13530 attached
, child_tidptr=0x555555bcb690) = 13530
[pid 13530] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13530] setpgid(0, 0)               = 0
[pid 13530] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13530] write(3, "1000", 4)         = 4
[pid 13530] close(3)                    = 0
[pid 13530] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13530] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13530] pipe2([3, 4], 0)            = 0
[pid 13530] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13530] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13530] sync()                      = 0
[pid 13530] exit_group(0)               = ?
[pid 13530] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13530, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13531 attached
, child_tidptr=0x555555bcb690) = 13531
[pid 13531] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13531] setpgid(0, 0)               = 0
[pid 13531] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13531] write(3, "1000", 4)         = 4
[pid 13531] close(3)                    = 0
[pid 13531] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13531] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13531] pipe2([3, 4], 0)            = 0
[pid 13531] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13531] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13531] sync()                      = 0
[pid 13531] exit_group(0)               = ?
[pid 13531] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13531, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13532
./strace-static-x86_64: Process 13532 attached
[pid 13532] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13532] setpgid(0, 0)               = 0
[pid 13532] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13532] write(3, "1000", 4)         = 4
[pid 13532] close(3)                    = 0
[pid 13532] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13532] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13532] pipe2([3, 4], 0)            = 0
[pid 13532] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13532] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13532] sync()                      = 0
[pid 13532] exit_group(0)               = ?
[pid 13532] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13532, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13533 attached
 <unfinished ...>
[pid 13533] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13533] setpgid(0, 0)               = 0
[pid 13533] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3603] <... clone resumed>, child_tidptr=0x555555bcb690) = 13533
[pid 13533] <... openat resumed>)       = 3
[pid 13533] write(3, "1000", 4)         = 4
[pid 13533] close(3)                    = 0
[pid 13533] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13533] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13533] pipe2([3, 4], 0)            = 0
[pid 13533] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13533] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13533] sync()                      = 0
[pid 13533] exit_group(0)               = ?
[pid 13533] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13533, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13534 attached
, child_tidptr=0x555555bcb690) = 13534
[pid 13534] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13534] setpgid(0, 0)               = 0
[pid 13534] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13534] write(3, "1000", 4)         = 4
[pid 13534] close(3)                    = 0
[pid 13534] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13534] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13534] pipe2([3, 4], 0)            = 0
[pid 13534] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13534] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13534] sync()                      = 0
[pid 13534] exit_group(0)               = ?
[pid 13534] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13534, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13535 attached
, child_tidptr=0x555555bcb690) = 13535
[pid 13535] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13535] setpgid(0, 0)               = 0
[pid 13535] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13535] write(3, "1000", 4)         = 4
[pid 13535] close(3)                    = 0
[pid 13535] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13535] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13535] pipe2([3, 4], 0)            = 0
[pid 13535] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13535] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13535] sync()                      = 0
[pid 13535] exit_group(0)               = ?
[pid 13535] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13535, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13536 attached
, child_tidptr=0x555555bcb690) = 13536
[pid 13536] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13536] setpgid(0, 0)               = 0
[pid 13536] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13536] write(3, "1000", 4)         = 4
[pid 13536] close(3)                    = 0
[pid 13536] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13536] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13536] pipe2([3, 4], 0)            = 0
[pid 13536] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13536] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13536] sync()                      = 0
[pid 13536] exit_group(0)               = ?
[pid 13536] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13536, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13537 attached
, child_tidptr=0x555555bcb690) = 13537
[pid 13537] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13537] setpgid(0, 0)               = 0
[pid 13537] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13537] write(3, "1000", 4)         = 4
[pid 13537] close(3)                    = 0
[pid 13537] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13537] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13537] pipe2([3, 4], 0)            = 0
[pid 13537] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13537] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13537] sync()                      = 0
[pid 13537] exit_group(0)               = ?
[pid 13537] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13537, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13538 attached
, child_tidptr=0x555555bcb690) = 13538
[pid 13538] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13538] setpgid(0, 0)               = 0
[pid 13538] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13538] write(3, "1000", 4)         = 4
[pid 13538] close(3)                    = 0
[pid 13538] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13538] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13538] pipe2([3, 4], 0)            = 0
[pid 13538] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13538] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13538] sync()                      = 0
[pid 13538] exit_group(0)               = ?
[pid 13538] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13538, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13539 attached
, child_tidptr=0x555555bcb690) = 13539
[pid 13539] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13539] setpgid(0, 0)               = 0
[pid 13539] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13539] write(3, "1000", 4)         = 4
[pid 13539] close(3)                    = 0
[pid 13539] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13539] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13539] pipe2([3, 4], 0)            = 0
[pid 13539] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13539] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13539] sync()                      = 0
[pid 13539] exit_group(0)               = ?
[pid 13539] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13539, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13540 attached
, child_tidptr=0x555555bcb690) = 13540
[pid 13540] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13540] setpgid(0, 0)               = 0
[pid 13540] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13540] write(3, "1000", 4)         = 4
[pid 13540] close(3)                    = 0
[pid 13540] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13540] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13540] pipe2([3, 4], 0)            = 0
[pid 13540] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13540] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13540] sync()                      = 0
[pid 13540] exit_group(0)               = ?
[pid 13540] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13540, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13541
./strace-static-x86_64: Process 13541 attached
[pid 13541] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13541] setpgid(0, 0)               = 0
[pid 13541] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13541] write(3, "1000", 4)         = 4
[pid 13541] close(3)                    = 0
[pid 13541] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13541] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13541] pipe2([3, 4], 0)            = 0
[pid 13541] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13541] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13541] sync()                      = 0
[pid 13541] exit_group(0)               = ?
[pid 13541] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13541, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13542
./strace-static-x86_64: Process 13542 attached
[pid 13542] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13542] setpgid(0, 0)               = 0
[pid 13542] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13542] write(3, "1000", 4)         = 4
[pid 13542] close(3)                    = 0
[pid 13542] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13542] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13542] pipe2([3, 4], 0)            = 0
[pid 13542] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13542] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13542] sync()                      = 0
[pid 13542] exit_group(0)               = ?
[pid 13542] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13542, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13543 attached
 <unfinished ...>
[pid 13543] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13543] setpgid(0, 0)               = 0
[pid  3603] <... clone resumed>, child_tidptr=0x555555bcb690) = 13543
[pid 13543] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13543] write(3, "1000", 4)         = 4
[pid 13543] close(3)                    = 0
[pid 13543] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13543] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13543] pipe2([3, 4], 0)            = 0
[pid 13543] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13543] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13543] sync()                      = 0
[pid 13543] exit_group(0)               = ?
[pid 13543] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13543, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13544
./strace-static-x86_64: Process 13544 attached
[pid 13544] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13544] setpgid(0, 0)               = 0
[pid 13544] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13544] write(3, "1000", 4)         = 4
[pid 13544] close(3)                    = 0
[pid 13544] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13544] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13544] pipe2([3, 4], 0)            = 0
[pid 13544] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13544] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13544] sync()                      = 0
[pid 13544] exit_group(0)               = ?
[pid 13544] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13544, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13545 attached
, child_tidptr=0x555555bcb690) = 13545
[pid 13545] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13545] setpgid(0, 0)               = 0
[pid 13545] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13545] write(3, "1000", 4)         = 4
[pid 13545] close(3)                    = 0
[pid 13545] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13545] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13545] pipe2([3, 4], 0)            = 0
[pid 13545] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13545] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13545] sync()                      = 0
[pid 13545] exit_group(0)               = ?
[pid 13545] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13545, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13546
./strace-static-x86_64: Process 13546 attached
[pid 13546] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13546] setpgid(0, 0)               = 0
[pid 13546] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13546] write(3, "1000", 4)         = 4
[pid 13546] close(3)                    = 0
[pid 13546] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13546] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13546] pipe2([3, 4], 0)            = 0
[pid 13546] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13546] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13546] sync()                      = 0
[pid 13546] exit_group(0)               = ?
[pid 13546] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13546, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13547 attached
, child_tidptr=0x555555bcb690) = 13547
[pid 13547] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13547] setpgid(0, 0)               = 0
[pid 13547] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13547] write(3, "1000", 4)         = 4
[pid 13547] close(3)                    = 0
[pid 13547] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13547] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13547] pipe2([3, 4], 0)            = 0
[pid 13547] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13547] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13547] sync()                      = 0
[pid 13547] exit_group(0)               = ?
[pid 13547] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13547, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13548
./strace-static-x86_64: Process 13548 attached
[pid 13548] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13548] setpgid(0, 0)               = 0
[pid 13548] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13548] write(3, "1000", 4)         = 4
[pid 13548] close(3)                    = 0
[pid 13548] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13548] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13548] pipe2([3, 4], 0)            = 0
[pid 13548] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13548] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13548] sync()                      = 0
[pid 13548] exit_group(0)               = ?
[pid 13548] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13548, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13549 attached
, child_tidptr=0x555555bcb690) = 13549
[pid 13549] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13549] setpgid(0, 0)               = 0
[pid 13549] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13549] write(3, "1000", 4)         = 4
[pid 13549] close(3)                    = 0
[pid 13549] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13549] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13549] pipe2([3, 4], 0)            = 0
[pid 13549] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13549] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13549] sync()                      = 0
[pid 13549] exit_group(0)               = ?
[pid 13549] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13549, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13550
./strace-static-x86_64: Process 13550 attached
[pid 13550] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13550] setpgid(0, 0)               = 0
[pid 13550] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13550] write(3, "1000", 4)         = 4
[pid 13550] close(3)                    = 0
[pid 13550] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13550] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13550] pipe2([3, 4], 0)            = 0
[pid 13550] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13550] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13550] sync()                      = 0
[pid 13550] exit_group(0)               = ?
[pid 13550] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13550, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13551 attached
, child_tidptr=0x555555bcb690) = 13551
[pid 13551] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13551] setpgid(0, 0)               = 0
[pid 13551] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13551] write(3, "1000", 4)         = 4
[pid 13551] close(3)                    = 0
[pid 13551] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13551] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13551] pipe2([3, 4], 0)            = 0
[pid 13551] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13551] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13551] sync()                      = 0
[pid 13551] exit_group(0)               = ?
[pid 13551] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13551, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13552
./strace-static-x86_64: Process 13552 attached
[pid 13552] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13552] setpgid(0, 0)               = 0
[pid 13552] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13552] write(3, "1000", 4)         = 4
[pid 13552] close(3)                    = 0
[pid 13552] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13552] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13552] pipe2([3, 4], 0)            = 0
[pid 13552] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13552] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13552] sync()                      = 0
[pid 13552] exit_group(0)               = ?
[pid 13552] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13552, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13553 attached
, child_tidptr=0x555555bcb690) = 13553
[pid 13553] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13553] setpgid(0, 0)               = 0
[pid 13553] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13553] write(3, "1000", 4)         = 4
[pid 13553] close(3)                    = 0
[pid 13553] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13553] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13553] pipe2([3, 4], 0)            = 0
[pid 13553] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13553] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13553] sync()                      = 0
[pid 13553] exit_group(0)               = ?
[pid 13553] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13553, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13554 attached
, child_tidptr=0x555555bcb690) = 13554
[pid 13554] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13554] setpgid(0, 0)               = 0
[pid 13554] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13554] write(3, "1000", 4)         = 4
[pid 13554] close(3)                    = 0
[pid 13554] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13554] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13554] pipe2([3, 4], 0)            = 0
[pid 13554] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13554] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13554] sync()                      = 0
[pid 13554] exit_group(0)               = ?
[pid 13554] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13554, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13555 attached
, child_tidptr=0x555555bcb690) = 13555
[pid 13555] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13555] setpgid(0, 0)               = 0
[pid 13555] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13555] write(3, "1000", 4)         = 4
[pid 13555] close(3)                    = 0
[pid 13555] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13555] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13555] pipe2([3, 4], 0)            = 0
[pid 13555] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13555] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13555] sync()                      = 0
[pid 13555] exit_group(0)               = ?
[pid 13555] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13555, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13556
./strace-static-x86_64: Process 13556 attached
[pid 13556] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13556] setpgid(0, 0)               = 0
[pid 13556] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13556] write(3, "1000", 4)         = 4
[pid 13556] close(3)                    = 0
[pid 13556] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13556] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13556] pipe2([3, 4], 0)            = 0
[pid 13556] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13556] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13556] sync()                      = 0
[pid 13556] exit_group(0)               = ?
[pid 13556] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13556, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13557 attached
, child_tidptr=0x555555bcb690) = 13557
[pid 13557] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13557] setpgid(0, 0)               = 0
[pid 13557] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13557] write(3, "1000", 4)         = 4
[pid 13557] close(3)                    = 0
[pid 13557] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13557] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13557] pipe2([3, 4], 0)            = 0
[pid 13557] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13557] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13557] sync()                      = 0
[pid 13557] exit_group(0)               = ?
[pid 13557] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13557, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13558 attached
, child_tidptr=0x555555bcb690) = 13558
[pid 13558] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13558] setpgid(0, 0)               = 0
[pid 13558] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13558] write(3, "1000", 4)         = 4
[pid 13558] close(3)                    = 0
[pid 13558] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13558] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13558] pipe2([3, 4], 0)            = 0
[pid 13558] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13558] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13558] sync()                      = 0
[pid 13558] exit_group(0)               = ?
[pid 13558] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13558, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13559
./strace-static-x86_64: Process 13559 attached
[pid 13559] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13559] setpgid(0, 0)               = 0
[pid 13559] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13559] write(3, "1000", 4)         = 4
[pid 13559] close(3)                    = 0
[pid 13559] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13559] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13559] pipe2([3, 4], 0)            = 0
[pid 13559] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13559] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13559] sync()                      = 0
[pid 13559] exit_group(0)               = ?
[pid 13559] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13559, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13560 attached
, child_tidptr=0x555555bcb690) = 13560
[pid 13560] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13560] setpgid(0, 0)               = 0
[pid 13560] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13560] write(3, "1000", 4)         = 4
[pid 13560] close(3)                    = 0
[pid 13560] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13560] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13560] pipe2([3, 4], 0)            = 0
[pid 13560] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13560] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13560] sync()                      = 0
[pid 13560] exit_group(0)               = ?
[pid 13560] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13560, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13561 attached
, child_tidptr=0x555555bcb690) = 13561
[pid 13561] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13561] setpgid(0, 0)               = 0
[pid 13561] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13561] write(3, "1000", 4)         = 4
[pid 13561] close(3)                    = 0
[pid 13561] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13561] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13561] pipe2([3, 4], 0)            = 0
[pid 13561] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13561] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13561] sync()                      = 0
[pid 13561] exit_group(0)               = ?
[pid 13561] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13561, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13562 attached
, child_tidptr=0x555555bcb690) = 13562
[pid 13562] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13562] setpgid(0, 0)               = 0
[pid 13562] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13562] write(3, "1000", 4)         = 4
[pid 13562] close(3)                    = 0
[pid 13562] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13562] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13562] pipe2([3, 4], 0)            = 0
[pid 13562] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13562] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13562] sync()                      = 0
[pid 13562] exit_group(0)               = ?
[pid 13562] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13562, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13563 attached
, child_tidptr=0x555555bcb690) = 13563
[pid 13563] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13563] setpgid(0, 0)               = 0
[pid 13563] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13563] write(3, "1000", 4)         = 4
[pid 13563] close(3)                    = 0
[pid 13563] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13563] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13563] pipe2([3, 4], 0)            = 0
[pid 13563] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13563] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13563] sync()                      = 0
[pid 13563] exit_group(0)               = ?
[pid 13563] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13563, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13564 attached
, child_tidptr=0x555555bcb690) = 13564
[pid 13564] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13564] setpgid(0, 0)               = 0
[pid 13564] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13564] write(3, "1000", 4)         = 4
[pid 13564] close(3)                    = 0
[pid 13564] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13564] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13564] pipe2([3, 4], 0)            = 0
[pid 13564] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13564] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13564] sync()                      = 0
[pid 13564] exit_group(0)               = ?
[pid 13564] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13564, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13565 attached
, child_tidptr=0x555555bcb690) = 13565
[pid 13565] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13565] setpgid(0, 0)               = 0
[pid 13565] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13565] write(3, "1000", 4)         = 4
[pid 13565] close(3)                    = 0
[pid 13565] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13565] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13565] pipe2([3, 4], 0)            = 0
[pid 13565] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13565] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13565] sync()                      = 0
[pid 13565] exit_group(0)               = ?
[pid 13565] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13565, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13566 attached
, child_tidptr=0x555555bcb690) = 13566
[pid 13566] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13566] setpgid(0, 0)               = 0
[pid 13566] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13566] write(3, "1000", 4)         = 4
[pid 13566] close(3)                    = 0
[pid 13566] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13566] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13566] pipe2([3, 4], 0)            = 0
[pid 13566] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13566] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13566] sync()                      = 0
[pid 13566] exit_group(0)               = ?
[pid 13566] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13566, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13567
./strace-static-x86_64: Process 13567 attached
[pid 13567] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13567] setpgid(0, 0)               = 0
[pid 13567] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13567] write(3, "1000", 4)         = 4
[pid 13567] close(3)                    = 0
[pid 13567] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13567] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13567] pipe2([3, 4], 0)            = 0
[pid 13567] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13567] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13567] sync()                      = 0
[pid 13567] exit_group(0)               = ?
[pid 13567] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13567, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13568
./strace-static-x86_64: Process 13568 attached
[pid 13568] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13568] setpgid(0, 0)               = 0
[pid 13568] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13568] write(3, "1000", 4)         = 4
[pid 13568] close(3)                    = 0
[pid 13568] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13568] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13568] pipe2([3, 4], 0)            = 0
[pid 13568] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13568] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13568] sync()                      = 0
[pid 13568] exit_group(0)               = ?
[pid 13568] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13568, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13569 attached
, child_tidptr=0x555555bcb690) = 13569
[pid 13569] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13569] setpgid(0, 0)               = 0
[pid 13569] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13569] write(3, "1000", 4)         = 4
[pid 13569] close(3)                    = 0
[pid 13569] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13569] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13569] pipe2([3, 4], 0)            = 0
[pid 13569] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13569] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13569] sync()                      = 0
[pid 13569] exit_group(0)               = ?
[pid 13569] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13569, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13570
./strace-static-x86_64: Process 13570 attached
[pid 13570] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13570] setpgid(0, 0)               = 0
[pid 13570] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13570] write(3, "1000", 4)         = 4
[pid 13570] close(3)                    = 0
[pid 13570] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13570] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13570] pipe2([3, 4], 0)            = 0
[pid 13570] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13570] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13570] sync()                      = 0
[pid 13570] exit_group(0)               = ?
[pid 13570] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13570, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13571 attached
, child_tidptr=0x555555bcb690) = 13571
[pid 13571] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13571] setpgid(0, 0)               = 0
[pid 13571] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13571] write(3, "1000", 4)         = 4
[pid 13571] close(3)                    = 0
[pid 13571] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13571] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13571] pipe2([3, 4], 0)            = 0
[pid 13571] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13571] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13571] sync()                      = 0
[pid 13571] exit_group(0)               = ?
[pid 13571] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13571, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13572
./strace-static-x86_64: Process 13572 attached
[pid 13572] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13572] setpgid(0, 0)               = 0
[pid 13572] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13572] write(3, "1000", 4)         = 4
[pid 13572] close(3)                    = 0
[pid 13572] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13572] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13572] pipe2([3, 4], 0)            = 0
[pid 13572] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13572] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13572] sync()                      = 0
[pid 13572] exit_group(0)               = ?
[pid 13572] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13572, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13573
./strace-static-x86_64: Process 13573 attached
[pid 13573] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13573] setpgid(0, 0)               = 0
[pid 13573] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13573] write(3, "1000", 4)         = 4
[pid 13573] close(3)                    = 0
[pid 13573] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13573] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13573] pipe2([3, 4], 0)            = 0
[pid 13573] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13573] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13573] sync()                      = 0
[pid 13573] exit_group(0)               = ?
[pid 13573] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13573, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13574 attached
, child_tidptr=0x555555bcb690) = 13574
[pid 13574] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13574] setpgid(0, 0)               = 0
[pid 13574] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13574] write(3, "1000", 4)         = 4
[pid 13574] close(3)                    = 0
[pid 13574] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13574] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13574] pipe2([3, 4], 0)            = 0
[pid 13574] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13574] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13574] sync()                      = 0
[pid 13574] exit_group(0)               = ?
[pid 13574] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13574, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13575
./strace-static-x86_64: Process 13575 attached
[pid 13575] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13575] setpgid(0, 0)               = 0
[pid 13575] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13575] write(3, "1000", 4)         = 4
[pid 13575] close(3)                    = 0
[pid 13575] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13575] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13575] pipe2([3, 4], 0)            = 0
[pid 13575] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13575] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13575] sync()                      = 0
[pid 13575] exit_group(0)               = ?
[pid 13575] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13575, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13576 attached
, child_tidptr=0x555555bcb690) = 13576
[pid 13576] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13576] setpgid(0, 0)               = 0
[pid 13576] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13576] write(3, "1000", 4)         = 4
[pid 13576] close(3)                    = 0
[pid 13576] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13576] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13576] pipe2([3, 4], 0)            = 0
[pid 13576] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13576] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13576] sync()                      = 0
[pid 13576] exit_group(0)               = ?
[pid 13576] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13576, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13577 attached
, child_tidptr=0x555555bcb690) = 13577
[pid 13577] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13577] setpgid(0, 0)               = 0
[pid 13577] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13577] write(3, "1000", 4)         = 4
[pid 13577] close(3)                    = 0
[pid 13577] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13577] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13577] pipe2([3, 4], 0)            = 0
[pid 13577] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13577] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13577] sync()                      = 0
[pid 13577] exit_group(0)               = ?
[pid 13577] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13577, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13578
./strace-static-x86_64: Process 13578 attached
[pid 13578] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13578] setpgid(0, 0)               = 0
[pid 13578] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13578] write(3, "1000", 4)         = 4
[pid 13578] close(3)                    = 0
[pid 13578] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13578] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13578] pipe2([3, 4], 0)            = 0
[pid 13578] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13578] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13578] sync()                      = 0
[pid 13578] exit_group(0)               = ?
[pid 13578] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13578, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13579
./strace-static-x86_64: Process 13579 attached
[pid 13579] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13579] setpgid(0, 0)               = 0
[pid 13579] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13579] write(3, "1000", 4)         = 4
[pid 13579] close(3)                    = 0
[pid 13579] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13579] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13579] pipe2([3, 4], 0)            = 0
[pid 13579] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13579] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13579] sync()                      = 0
[pid 13579] exit_group(0)               = ?
[pid 13579] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13579, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13580 attached
, child_tidptr=0x555555bcb690) = 13580
[pid 13580] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13580] setpgid(0, 0)               = 0
[pid 13580] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13580] write(3, "1000", 4)         = 4
[pid 13580] close(3)                    = 0
[pid 13580] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13580] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13580] pipe2([3, 4], 0)            = 0
[pid 13580] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13580] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13580] sync()                      = 0
[pid 13580] exit_group(0)               = ?
[pid 13580] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13580, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13581 attached
, child_tidptr=0x555555bcb690) = 13581
[pid 13581] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13581] setpgid(0, 0)               = 0
[pid 13581] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13581] write(3, "1000", 4)         = 4
[pid 13581] close(3)                    = 0
[pid 13581] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13581] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13581] pipe2([3, 4], 0)            = 0
[pid 13581] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13581] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13581] sync()                      = 0
[pid 13581] exit_group(0)               = ?
[pid 13581] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13581, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13582 attached
, child_tidptr=0x555555bcb690) = 13582
[pid 13582] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13582] setpgid(0, 0)               = 0
[pid 13582] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13582] write(3, "1000", 4)         = 4
[pid 13582] close(3)                    = 0
[pid 13582] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13582] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13582] pipe2([3, 4], 0)            = 0
[pid 13582] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13582] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13582] sync()                      = 0
[pid 13582] exit_group(0)               = ?
[pid 13582] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13582, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13583
./strace-static-x86_64: Process 13583 attached
[pid 13583] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13583] setpgid(0, 0)               = 0
[pid 13583] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13583] write(3, "1000", 4)         = 4
[pid 13583] close(3)                    = 0
[pid 13583] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13583] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13583] pipe2([3, 4], 0)            = 0
[pid 13583] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13583] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13583] sync()                      = 0
[pid 13583] exit_group(0)               = ?
[pid 13583] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13583, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13584
./strace-static-x86_64: Process 13584 attached
[pid 13584] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13584] setpgid(0, 0)               = 0
[pid 13584] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13584] write(3, "1000", 4)         = 4
[pid 13584] close(3)                    = 0
[pid 13584] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13584] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13584] pipe2([3, 4], 0)            = 0
[pid 13584] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13584] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13584] sync()                      = 0
[pid 13584] exit_group(0)               = ?
[pid 13584] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13584, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13585
./strace-static-x86_64: Process 13585 attached
[pid 13585] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13585] setpgid(0, 0)               = 0
[pid 13585] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13585] write(3, "1000", 4)         = 4
[pid 13585] close(3)                    = 0
[pid 13585] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13585] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13585] pipe2([3, 4], 0)            = 0
[pid 13585] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13585] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13585] sync()                      = 0
[pid 13585] exit_group(0)               = ?
[pid 13585] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13585, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13586
./strace-static-x86_64: Process 13586 attached
[pid 13586] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13586] setpgid(0, 0)               = 0
[pid 13586] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13586] write(3, "1000", 4)         = 4
[pid 13586] close(3)                    = 0
[pid 13586] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13586] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13586] pipe2([3, 4], 0)            = 0
[pid 13586] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13586] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13586] sync()                      = 0
[pid 13586] exit_group(0)               = ?
[pid 13586] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13586, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13587
./strace-static-x86_64: Process 13587 attached
[pid 13587] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13587] setpgid(0, 0)               = 0
[pid 13587] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13587] write(3, "1000", 4)         = 4
[pid 13587] close(3)                    = 0
[pid 13587] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13587] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13587] pipe2([3, 4], 0)            = 0
[pid 13587] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13587] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13587] sync()                      = 0
[pid 13587] exit_group(0)               = ?
[pid 13587] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13587, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13588 attached
, child_tidptr=0x555555bcb690) = 13588
[pid 13588] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13588] setpgid(0, 0)               = 0
[pid 13588] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13588] write(3, "1000", 4)         = 4
[pid 13588] close(3)                    = 0
[pid 13588] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13588] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13588] pipe2([3, 4], 0)            = 0
[pid 13588] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13588] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13588] sync()                      = 0
[pid 13588] exit_group(0)               = ?
[pid 13588] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13588, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13589 attached
, child_tidptr=0x555555bcb690) = 13589
[pid 13589] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13589] setpgid(0, 0)               = 0
[pid 13589] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13589] write(3, "1000", 4)         = 4
[pid 13589] close(3)                    = 0
[pid 13589] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13589] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13589] pipe2([3, 4], 0)            = 0
[pid 13589] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13589] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13589] sync()                      = 0
[pid 13589] exit_group(0)               = ?
[pid 13589] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13589, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13590 attached
, child_tidptr=0x555555bcb690) = 13590
[pid 13590] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13590] setpgid(0, 0)               = 0
[pid 13590] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13590] write(3, "1000", 4)         = 4
[pid 13590] close(3)                    = 0
[pid 13590] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13590] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13590] pipe2([3, 4], 0)            = 0
[pid 13590] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13590] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13590] sync()                      = 0
[pid 13590] exit_group(0)               = ?
[pid 13590] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13590, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13591
./strace-static-x86_64: Process 13591 attached
[pid 13591] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13591] setpgid(0, 0)               = 0
[pid 13591] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13591] write(3, "1000", 4)         = 4
[pid 13591] close(3)                    = 0
[pid 13591] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13591] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13591] pipe2([3, 4], 0)            = 0
[pid 13591] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13591] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13591] sync()                      = 0
[pid 13591] exit_group(0)               = ?
[pid 13591] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13591, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13592 attached
, child_tidptr=0x555555bcb690) = 13592
[pid 13592] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13592] setpgid(0, 0)               = 0
[pid 13592] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13592] write(3, "1000", 4)         = 4
[pid 13592] close(3)                    = 0
[pid 13592] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13592] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13592] pipe2([3, 4], 0)            = 0
[pid 13592] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13592] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13592] sync()                      = 0
[pid 13592] exit_group(0)               = ?
[pid 13592] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13592, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13593
./strace-static-x86_64: Process 13593 attached
[pid 13593] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13593] setpgid(0, 0)               = 0
[pid 13593] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13593] write(3, "1000", 4)         = 4
[pid 13593] close(3)                    = 0
[pid 13593] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13593] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13593] pipe2([3, 4], 0)            = 0
[pid 13593] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13593] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13593] sync()                      = 0
[pid 13593] exit_group(0)               = ?
[pid 13593] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13593, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13594
./strace-static-x86_64: Process 13594 attached
[pid 13594] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13594] setpgid(0, 0)               = 0
[pid 13594] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13594] write(3, "1000", 4)         = 4
[pid 13594] close(3)                    = 0
[pid 13594] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13594] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13594] pipe2([3, 4], 0)            = 0
[pid 13594] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13594] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13594] sync()                      = 0
[pid 13594] exit_group(0)               = ?
[pid 13594] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13594, si_uid=0, si_status=0, si_utime=1, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13595 attached
, child_tidptr=0x555555bcb690) = 13595
[pid 13595] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13595] setpgid(0, 0)               = 0
[pid 13595] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13595] write(3, "1000", 4)         = 4
[pid 13595] close(3)                    = 0
[pid 13595] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13595] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13595] pipe2([3, 4], 0)            = 0
[pid 13595] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13595] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13595] sync()                      = 0
[pid 13595] exit_group(0)               = ?
[pid 13595] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13595, si_uid=0, si_status=0, si_utime=1, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13596 attached
, child_tidptr=0x555555bcb690) = 13596
[pid 13596] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13596] setpgid(0, 0)               = 0
[pid 13596] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13596] write(3, "1000", 4)         = 4
[pid 13596] close(3)                    = 0
[pid 13596] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13596] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13596] pipe2([3, 4], 0)            = 0
[pid 13596] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13596] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13596] sync()                      = 0
[pid 13596] exit_group(0)               = ?
[pid 13596] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13596, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13597 attached
, child_tidptr=0x555555bcb690) = 13597
[pid 13597] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13597] setpgid(0, 0)               = 0
[pid 13597] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13597] write(3, "1000", 4)         = 4
[pid 13597] close(3)                    = 0
[pid 13597] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13597] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13597] pipe2([3, 4], 0)            = 0
[pid 13597] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13597] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13597] sync()                      = 0
[pid 13597] exit_group(0)               = ?
[pid 13597] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13597, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13598 attached
 <unfinished ...>
[pid 13598] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13598] setpgid(0, 0)               = 0
[pid 13598] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13598] write(3, "1000", 4)         = 4
[pid  3603] <... clone resumed>, child_tidptr=0x555555bcb690) = 13598
[pid 13598] close(3)                    = 0
[pid 13598] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13598] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13598] pipe2([3, 4], 0)            = 0
[pid 13598] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13598] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13598] sync()                      = 0
[pid 13598] exit_group(0)               = ?
[pid 13598] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13598, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13599
./strace-static-x86_64: Process 13599 attached
[pid 13599] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13599] setpgid(0, 0)               = 0
[pid 13599] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13599] write(3, "1000", 4)         = 4
[pid 13599] close(3)                    = 0
[pid 13599] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13599] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13599] pipe2([3, 4], 0)            = 0
[pid 13599] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13599] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13599] sync()                      = 0
[pid 13599] exit_group(0)               = ?
[pid 13599] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13599, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13600 attached
, child_tidptr=0x555555bcb690) = 13600
[pid 13600] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13600] setpgid(0, 0)               = 0
[pid 13600] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13600] write(3, "1000", 4)         = 4
[pid 13600] close(3)                    = 0
[pid 13600] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13600] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13600] pipe2([3, 4], 0)            = 0
[pid 13600] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13600] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13600] sync()                      = 0
[pid 13600] exit_group(0)               = ?
[pid 13600] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13600, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13601 attached
, child_tidptr=0x555555bcb690) = 13601
[pid 13601] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13601] setpgid(0, 0)               = 0
[pid 13601] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13601] write(3, "1000", 4)         = 4
[pid 13601] close(3)                    = 0
[pid 13601] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13601] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13601] pipe2([3, 4], 0)            = 0
[pid 13601] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13601] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13601] sync()                      = 0
[pid 13601] exit_group(0)               = ?
[pid 13601] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13601, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13602 attached
, child_tidptr=0x555555bcb690) = 13602
[pid 13602] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13602] setpgid(0, 0)               = 0
[pid 13602] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13602] write(3, "1000", 4)         = 4
[pid 13602] close(3)                    = 0
[pid 13602] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13602] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13602] pipe2([3, 4], 0)            = 0
[pid 13602] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13602] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13602] sync()                      = 0
[pid 13602] exit_group(0)               = ?
[pid 13602] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13602, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13603 attached
, child_tidptr=0x555555bcb690) = 13603
[pid 13603] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13603] setpgid(0, 0)               = 0
[pid 13603] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13603] write(3, "1000", 4)         = 4
[pid 13603] close(3)                    = 0
[pid 13603] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13603] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13603] pipe2([3, 4], 0)            = 0
[pid 13603] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13603] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13603] sync()                      = 0
[pid 13603] exit_group(0)               = ?
[pid 13603] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13603, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13604
./strace-static-x86_64: Process 13604 attached
[pid 13604] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13604] setpgid(0, 0)               = 0
[pid 13604] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13604] write(3, "1000", 4)         = 4
[pid 13604] close(3)                    = 0
[pid 13604] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13604] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13604] pipe2([3, 4], 0)            = 0
[pid 13604] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13604] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13604] sync()                      = 0
[pid 13604] exit_group(0)               = ?
[pid 13604] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13604, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13605
./strace-static-x86_64: Process 13605 attached
[pid 13605] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13605] setpgid(0, 0)               = 0
[pid 13605] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13605] write(3, "1000", 4)         = 4
[pid 13605] close(3)                    = 0
[pid 13605] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13605] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13605] pipe2([3, 4], 0)            = 0
[pid 13605] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13605] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13605] sync()                      = 0
[pid 13605] exit_group(0)               = ?
[pid 13605] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13605, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13606 attached
 <unfinished ...>
[pid 13606] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3603] <... clone resumed>, child_tidptr=0x555555bcb690) = 13606
[pid 13606] <... prctl resumed>)        = 0
[pid 13606] setpgid(0, 0)               = 0
[pid 13606] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13606] write(3, "1000", 4)         = 4
[pid 13606] close(3)                    = 0
[pid 13606] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13606] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13606] pipe2([3, 4], 0)            = 0
[pid 13606] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13606] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13606] sync()                      = 0
[pid 13606] exit_group(0)               = ?
[pid 13606] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13606, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13607 attached
, child_tidptr=0x555555bcb690) = 13607
[pid 13607] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13607] setpgid(0, 0)               = 0
[pid 13607] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13607] write(3, "1000", 4)         = 4
[pid 13607] close(3)                    = 0
[pid 13607] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13607] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13607] pipe2([3, 4], 0)            = 0
[pid 13607] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13607] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13607] sync()                      = 0
[pid 13607] exit_group(0)               = ?
[pid 13607] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13607, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13608 attached
, child_tidptr=0x555555bcb690) = 13608
[pid 13608] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13608] setpgid(0, 0)               = 0
[pid 13608] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13608] write(3, "1000", 4)         = 4
[pid 13608] close(3)                    = 0
[pid 13608] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13608] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13608] pipe2([3, 4], 0)            = 0
[pid 13608] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13608] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13608] sync()                      = 0
[pid 13608] exit_group(0)               = ?
[pid 13608] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13608, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13609 attached
, child_tidptr=0x555555bcb690) = 13609
[pid 13609] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13609] setpgid(0, 0)               = 0
[pid 13609] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13609] write(3, "1000", 4)         = 4
[pid 13609] close(3)                    = 0
[pid 13609] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13609] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13609] pipe2([3, 4], 0)            = 0
[pid 13609] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13609] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13609] sync()                      = 0
[pid 13609] exit_group(0)               = ?
[pid 13609] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13609, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13610 attached
, child_tidptr=0x555555bcb690) = 13610
[pid 13610] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13610] setpgid(0, 0)               = 0
[pid 13610] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13610] write(3, "1000", 4)         = 4
[pid 13610] close(3)                    = 0
[pid 13610] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13610] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13610] pipe2([3, 4], 0)            = 0
[pid 13610] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13610] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13610] sync()                      = 0
[pid 13610] exit_group(0)               = ?
[pid 13610] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13610, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13611 attached
, child_tidptr=0x555555bcb690) = 13611
[pid 13611] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13611] setpgid(0, 0)               = 0
[pid 13611] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13611] write(3, "1000", 4)         = 4
[pid 13611] close(3)                    = 0
[pid 13611] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13611] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13611] pipe2([3, 4], 0)            = 0
[pid 13611] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13611] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13611] sync()                      = 0
[pid 13611] exit_group(0)               = ?
[pid 13611] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13611, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13612
./strace-static-x86_64: Process 13612 attached
[pid 13612] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13612] setpgid(0, 0)               = 0
[pid 13612] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13612] write(3, "1000", 4)         = 4
[pid 13612] close(3)                    = 0
[pid 13612] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13612] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13612] pipe2([3, 4], 0)            = 0
[pid 13612] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13612] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13612] sync()                      = 0
[pid 13612] exit_group(0)               = ?
[pid 13612] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13612, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13613
./strace-static-x86_64: Process 13613 attached
[pid 13613] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13613] setpgid(0, 0)               = 0
[pid 13613] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13613] write(3, "1000", 4)         = 4
[pid 13613] close(3)                    = 0
[pid 13613] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13613] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13613] pipe2([3, 4], 0)            = 0
[pid 13613] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13613] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13613] sync()                      = 0
[pid 13613] exit_group(0)               = ?
[pid 13613] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13613, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13614
./strace-static-x86_64: Process 13614 attached
[pid 13614] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13614] setpgid(0, 0)               = 0
[pid 13614] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13614] write(3, "1000", 4)         = 4
[pid 13614] close(3)                    = 0
[pid 13614] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13614] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13614] pipe2([3, 4], 0)            = 0
[pid 13614] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13614] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13614] sync()                      = 0
[pid 13614] exit_group(0)               = ?
[pid 13614] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13614, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13615
./strace-static-x86_64: Process 13615 attached
[pid 13615] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13615] setpgid(0, 0)               = 0
[pid 13615] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13615] write(3, "1000", 4)         = 4
[pid 13615] close(3)                    = 0
[pid 13615] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13615] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13615] pipe2([3, 4], 0)            = 0
[pid 13615] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13615] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13615] sync()                      = 0
[pid 13615] exit_group(0)               = ?
[pid 13615] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13615, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13616
./strace-static-x86_64: Process 13616 attached
[pid 13616] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13616] setpgid(0, 0)               = 0
[pid 13616] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13616] write(3, "1000", 4)         = 4
[pid 13616] close(3)                    = 0
[pid 13616] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13616] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13616] pipe2([3, 4], 0)            = 0
[pid 13616] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13616] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13616] sync()                      = 0
[pid 13616] exit_group(0)               = ?
[pid 13616] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13616, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13617 attached
, child_tidptr=0x555555bcb690) = 13617
[pid 13617] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13617] setpgid(0, 0)               = 0
[pid 13617] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13617] write(3, "1000", 4)         = 4
[pid 13617] close(3)                    = 0
[pid 13617] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13617] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13617] pipe2([3, 4], 0)            = 0
[pid 13617] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13617] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13617] sync()                      = 0
[pid 13617] exit_group(0)               = ?
[pid 13617] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13617, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13618 attached
, child_tidptr=0x555555bcb690) = 13618
[pid 13618] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13618] setpgid(0, 0)               = 0
[pid 13618] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13618] write(3, "1000", 4)         = 4
[pid 13618] close(3)                    = 0
[pid 13618] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13618] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13618] pipe2([3, 4], 0)            = 0
[pid 13618] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13618] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13618] sync()                      = 0
[pid 13618] exit_group(0)               = ?
[pid 13618] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13618, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13619 attached
, child_tidptr=0x555555bcb690) = 13619
[pid 13619] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13619] setpgid(0, 0)               = 0
[pid 13619] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13619] write(3, "1000", 4)         = 4
[pid 13619] close(3)                    = 0
[pid 13619] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13619] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13619] pipe2([3, 4], 0)            = 0
[pid 13619] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13619] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13619] sync()                      = 0
[pid 13619] exit_group(0)               = ?
[pid 13619] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13619, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13620
./strace-static-x86_64: Process 13620 attached
[pid 13620] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13620] setpgid(0, 0)               = 0
[pid 13620] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13620] write(3, "1000", 4)         = 4
[pid 13620] close(3)                    = 0
[pid 13620] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13620] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13620] pipe2([3, 4], 0)            = 0
[pid 13620] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13620] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13620] sync()                      = 0
[pid 13620] exit_group(0)               = ?
[pid 13620] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13620, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13621 attached
, child_tidptr=0x555555bcb690) = 13621
[pid 13621] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13621] setpgid(0, 0)               = 0
[pid 13621] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13621] write(3, "1000", 4)         = 4
[pid 13621] close(3)                    = 0
[pid 13621] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13621] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13621] pipe2([3, 4], 0)            = 0
[pid 13621] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13621] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13621] sync()                      = 0
[pid 13621] exit_group(0)               = ?
[pid 13621] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13621, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13622 attached
, child_tidptr=0x555555bcb690) = 13622
[pid 13622] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13622] setpgid(0, 0)               = 0
[pid 13622] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13622] write(3, "1000", 4)         = 4
[pid 13622] close(3)                    = 0
[pid 13622] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13622] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13622] pipe2([3, 4], 0)            = 0
[pid 13622] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13622] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13622] sync()                      = 0
[pid 13622] exit_group(0)               = ?
[pid 13622] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13622, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13623
./strace-static-x86_64: Process 13623 attached
[pid 13623] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13623] setpgid(0, 0)               = 0
[pid 13623] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13623] write(3, "1000", 4)         = 4
[pid 13623] close(3)                    = 0
[pid 13623] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13623] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13623] pipe2([3, 4], 0)            = 0
[pid 13623] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13623] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13623] sync()                      = 0
[pid 13623] exit_group(0)               = ?
[pid 13623] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13623, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13624 attached
, child_tidptr=0x555555bcb690) = 13624
[pid 13624] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13624] setpgid(0, 0)               = 0
[pid 13624] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13624] write(3, "1000", 4)         = 4
[pid 13624] close(3)                    = 0
[pid 13624] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13624] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13624] pipe2([3, 4], 0)            = 0
[pid 13624] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13624] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13624] sync()                      = 0
[pid 13624] exit_group(0)               = ?
[pid 13624] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13624, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13625 attached
, child_tidptr=0x555555bcb690) = 13625
[pid 13625] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13625] setpgid(0, 0)               = 0
[pid 13625] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13625] write(3, "1000", 4)         = 4
[pid 13625] close(3)                    = 0
[pid 13625] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13625] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13625] pipe2([3, 4], 0)            = 0
[pid 13625] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13625] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13625] sync()                      = 0
[pid 13625] exit_group(0)               = ?
[pid 13625] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13625, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13626 attached
, child_tidptr=0x555555bcb690) = 13626
[pid 13626] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13626] setpgid(0, 0)               = 0
[pid 13626] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13626] write(3, "1000", 4)         = 4
[pid 13626] close(3)                    = 0
[pid 13626] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13626] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13626] pipe2([3, 4], 0)            = 0
[pid 13626] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13626] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13626] sync()                      = 0
[pid 13626] exit_group(0)               = ?
[pid 13626] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13626, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13627 attached
, child_tidptr=0x555555bcb690) = 13627
[pid 13627] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13627] setpgid(0, 0)               = 0
[pid 13627] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13627] write(3, "1000", 4)         = 4
[pid 13627] close(3)                    = 0
[pid 13627] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13627] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13627] pipe2([3, 4], 0)            = 0
[pid 13627] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13627] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13627] sync()                      = 0
[pid 13627] exit_group(0)               = ?
[pid 13627] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13627, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13628
./strace-static-x86_64: Process 13628 attached
[pid 13628] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13628] setpgid(0, 0)               = 0
[pid 13628] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13628] write(3, "1000", 4)         = 4
[pid 13628] close(3)                    = 0
[pid 13628] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13628] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13628] pipe2([3, 4], 0)            = 0
[pid 13628] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13628] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13628] sync()                      = 0
[pid 13628] exit_group(0)               = ?
[pid 13628] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13628, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13629 attached
, child_tidptr=0x555555bcb690) = 13629
[pid 13629] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13629] setpgid(0, 0)               = 0
[pid 13629] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13629] write(3, "1000", 4)         = 4
[pid 13629] close(3)                    = 0
[pid 13629] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13629] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13629] pipe2([3, 4], 0)            = 0
[pid 13629] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13629] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13629] sync()                      = 0
[pid 13629] exit_group(0)               = ?
[pid 13629] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13629, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13630
./strace-static-x86_64: Process 13630 attached
[pid 13630] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13630] setpgid(0, 0)               = 0
[pid 13630] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13630] write(3, "1000", 4)         = 4
[pid 13630] close(3)                    = 0
[pid 13630] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13630] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13630] pipe2([3, 4], 0)            = 0
[pid 13630] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13630] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13630] sync()                      = 0
[pid 13630] exit_group(0)               = ?
[pid 13630] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13630, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13631 attached
, child_tidptr=0x555555bcb690) = 13631
[pid 13631] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13631] setpgid(0, 0)               = 0
[pid 13631] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13631] write(3, "1000", 4)         = 4
[pid 13631] close(3)                    = 0
[pid 13631] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13631] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13631] pipe2([3, 4], 0)            = 0
[pid 13631] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13631] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13631] sync()                      = 0
[pid 13631] exit_group(0)               = ?
[pid 13631] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13631, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13632
./strace-static-x86_64: Process 13632 attached
[pid 13632] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13632] setpgid(0, 0)               = 0
[pid 13632] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13632] write(3, "1000", 4)         = 4
[pid 13632] close(3)                    = 0
[pid 13632] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13632] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13632] pipe2([3, 4], 0)            = 0
[pid 13632] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13632] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13632] sync()                      = 0
[pid 13632] exit_group(0)               = ?
[pid 13632] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13632, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13633
./strace-static-x86_64: Process 13633 attached
[pid 13633] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13633] setpgid(0, 0)               = 0
[pid 13633] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13633] write(3, "1000", 4)         = 4
[pid 13633] close(3)                    = 0
[pid 13633] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13633] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13633] pipe2([3, 4], 0)            = 0
[pid 13633] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13633] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13633] sync()                      = 0
[pid 13633] exit_group(0)               = ?
[pid 13633] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13633, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13634 attached
, child_tidptr=0x555555bcb690) = 13634
[pid 13634] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13634] setpgid(0, 0)               = 0
[pid 13634] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13634] write(3, "1000", 4)         = 4
[pid 13634] close(3)                    = 0
[pid 13634] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13634] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13634] pipe2([3, 4], 0)            = 0
[pid 13634] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13634] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13634] sync()                      = 0
[pid 13634] exit_group(0)               = ?
[pid 13634] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13634, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13635
./strace-static-x86_64: Process 13635 attached
[pid 13635] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13635] setpgid(0, 0)               = 0
[pid 13635] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13635] write(3, "1000", 4)         = 4
[pid 13635] close(3)                    = 0
[pid 13635] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13635] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13635] pipe2([3, 4], 0)            = 0
[pid 13635] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13635] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13635] sync()                      = 0
[pid 13635] exit_group(0)               = ?
[pid 13635] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13635, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13636 attached
, child_tidptr=0x555555bcb690) = 13636
[pid 13636] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13636] setpgid(0, 0)               = 0
[pid 13636] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13636] write(3, "1000", 4)         = 4
[pid 13636] close(3)                    = 0
[pid 13636] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13636] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13636] pipe2([3, 4], 0)            = 0
[pid 13636] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13636] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13636] sync()                      = 0
[pid 13636] exit_group(0)               = ?
[pid 13636] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13636, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13637 attached
, child_tidptr=0x555555bcb690) = 13637
[pid 13637] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13637] setpgid(0, 0)               = 0
[pid 13637] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13637] write(3, "1000", 4)         = 4
[pid 13637] close(3)                    = 0
[pid 13637] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13637] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13637] pipe2([3, 4], 0)            = 0
[pid 13637] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13637] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13637] sync()                      = 0
[pid 13637] exit_group(0)               = ?
[pid 13637] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13637, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13638 attached
, child_tidptr=0x555555bcb690) = 13638
[pid 13638] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13638] setpgid(0, 0)               = 0
[pid 13638] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13638] write(3, "1000", 4)         = 4
[pid 13638] close(3)                    = 0
[pid 13638] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13638] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13638] pipe2([3, 4], 0)            = 0
[pid 13638] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13638] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13638] sync()                      = 0
[pid 13638] exit_group(0)               = ?
[pid 13638] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13638, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13639
./strace-static-x86_64: Process 13639 attached
[pid 13639] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13639] setpgid(0, 0)               = 0
[pid 13639] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13639] write(3, "1000", 4)         = 4
[pid 13639] close(3)                    = 0
[pid 13639] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13639] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13639] pipe2([3, 4], 0)            = 0
[pid 13639] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13639] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13639] sync()                      = 0
[pid 13639] exit_group(0)               = ?
[pid 13639] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13639, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13640 attached
, child_tidptr=0x555555bcb690) = 13640
[pid 13640] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13640] setpgid(0, 0)               = 0
[pid 13640] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13640] write(3, "1000", 4)         = 4
[pid 13640] close(3)                    = 0
[pid 13640] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13640] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13640] pipe2([3, 4], 0)            = 0
[pid 13640] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13640] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13640] sync()                      = 0
[pid 13640] exit_group(0)               = ?
[pid 13640] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13640, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13641 attached
, child_tidptr=0x555555bcb690) = 13641
[pid 13641] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13641] setpgid(0, 0)               = 0
[pid 13641] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13641] write(3, "1000", 4)         = 4
[pid 13641] close(3)                    = 0
[pid 13641] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13641] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13641] pipe2([3, 4], 0)            = 0
[pid 13641] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13641] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13641] sync()                      = 0
[pid 13641] exit_group(0)               = ?
[pid 13641] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13641, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13642 attached
, child_tidptr=0x555555bcb690) = 13642
[pid 13642] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13642] setpgid(0, 0)               = 0
[pid 13642] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13642] write(3, "1000", 4)         = 4
[pid 13642] close(3)                    = 0
[pid 13642] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13642] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13642] pipe2([3, 4], 0)            = 0
[pid 13642] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13642] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13642] sync()                      = 0
[pid 13642] exit_group(0)               = ?
[pid 13642] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13642, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13643
./strace-static-x86_64: Process 13643 attached
[pid 13643] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13643] setpgid(0, 0)               = 0
[pid 13643] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13643] write(3, "1000", 4)         = 4
[pid 13643] close(3)                    = 0
[pid 13643] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13643] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13643] pipe2([3, 4], 0)            = 0
[pid 13643] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13643] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13643] sync()                      = 0
[pid 13643] exit_group(0)               = ?
[pid 13643] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13643, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13644 attached
, child_tidptr=0x555555bcb690) = 13644
[pid 13644] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13644] setpgid(0, 0)               = 0
[pid 13644] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13644] write(3, "1000", 4)         = 4
[pid 13644] close(3)                    = 0
[pid 13644] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13644] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13644] pipe2([3, 4], 0)            = 0
[pid 13644] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13644] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13644] sync()                      = 0
[pid 13644] exit_group(0)               = ?
[pid 13644] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13644, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13645
./strace-static-x86_64: Process 13645 attached
[pid 13645] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13645] setpgid(0, 0)               = 0
[pid 13645] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13645] write(3, "1000", 4)         = 4
[pid 13645] close(3)                    = 0
[pid 13645] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13645] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13645] pipe2([3, 4], 0)            = 0
[pid 13645] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13645] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13645] sync()                      = 0
[pid 13645] exit_group(0)               = ?
[pid 13645] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13645, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13646
./strace-static-x86_64: Process 13646 attached
[pid 13646] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13646] setpgid(0, 0)               = 0
[pid 13646] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13646] write(3, "1000", 4)         = 4
[pid 13646] close(3)                    = 0
[pid 13646] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13646] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13646] pipe2([3, 4], 0)            = 0
[pid 13646] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13646] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13646] sync()                      = 0
[pid 13646] exit_group(0)               = ?
[pid 13646] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13646, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13647 attached
, child_tidptr=0x555555bcb690) = 13647
[pid 13647] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13647] setpgid(0, 0)               = 0
[pid 13647] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13647] write(3, "1000", 4)         = 4
[pid 13647] close(3)                    = 0
[pid 13647] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13647] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13647] pipe2([3, 4], 0)            = 0
[pid 13647] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13647] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13647] sync()                      = 0
[pid 13647] exit_group(0)               = ?
[pid 13647] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13647, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13648
./strace-static-x86_64: Process 13648 attached
[pid 13648] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13648] setpgid(0, 0)               = 0
[pid 13648] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13648] write(3, "1000", 4)         = 4
[pid 13648] close(3)                    = 0
[pid 13648] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13648] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13648] pipe2([3, 4], 0)            = 0
[pid 13648] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13648] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13648] sync()                      = 0
[pid 13648] exit_group(0)               = ?
[pid 13648] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13648, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13649 attached
, child_tidptr=0x555555bcb690) = 13649
[pid 13649] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13649] setpgid(0, 0)               = 0
[pid 13649] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13649] write(3, "1000", 4)         = 4
[pid 13649] close(3)                    = 0
[pid 13649] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13649] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13649] pipe2([3, 4], 0)            = 0
[pid 13649] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13649] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13649] sync()                      = 0
[pid 13649] exit_group(0)               = ?
[pid 13649] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13649, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13650 attached
, child_tidptr=0x555555bcb690) = 13650
[pid 13650] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13650] setpgid(0, 0)               = 0
[pid 13650] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13650] write(3, "1000", 4)         = 4
[pid 13650] close(3)                    = 0
[pid 13650] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13650] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13650] pipe2([3, 4], 0)            = 0
[pid 13650] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13650] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13650] sync()                      = 0
[pid 13650] exit_group(0)               = ?
[pid 13650] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13650, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13651 attached
, child_tidptr=0x555555bcb690) = 13651
[pid 13651] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13651] setpgid(0, 0)               = 0
[pid 13651] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13651] write(3, "1000", 4)         = 4
[pid 13651] close(3)                    = 0
[pid 13651] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13651] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13651] pipe2([3, 4], 0)            = 0
[pid 13651] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13651] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13651] sync()                      = 0
[pid 13651] exit_group(0)               = ?
[pid 13651] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13651, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13652 attached
, child_tidptr=0x555555bcb690) = 13652
[pid 13652] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13652] setpgid(0, 0)               = 0
[pid 13652] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13652] write(3, "1000", 4)         = 4
[pid 13652] close(3)                    = 0
[pid 13652] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13652] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13652] pipe2([3, 4], 0)            = 0
[pid 13652] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13652] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13652] sync()                      = 0
[pid 13652] exit_group(0)               = ?
[pid 13652] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13652, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13653
./strace-static-x86_64: Process 13653 attached
[pid 13653] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13653] setpgid(0, 0)               = 0
[pid 13653] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13653] write(3, "1000", 4)         = 4
[pid 13653] close(3)                    = 0
[pid 13653] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13653] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13653] pipe2([3, 4], 0)            = 0
[pid 13653] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13653] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13653] sync()                      = 0
[pid 13653] exit_group(0)               = ?
[pid 13653] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13653, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13654 attached
, child_tidptr=0x555555bcb690) = 13654
[pid 13654] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13654] setpgid(0, 0)               = 0
[pid 13654] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13654] write(3, "1000", 4)         = 4
[pid 13654] close(3)                    = 0
[pid 13654] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13654] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13654] pipe2([3, 4], 0)            = 0
[pid 13654] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13654] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13654] sync()                      = 0
[pid 13654] exit_group(0)               = ?
[pid 13654] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13654, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13655 attached
, child_tidptr=0x555555bcb690) = 13655
[pid 13655] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13655] setpgid(0, 0)               = 0
[pid 13655] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13655] write(3, "1000", 4)         = 4
[pid 13655] close(3)                    = 0
[pid 13655] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13655] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13655] pipe2([3, 4], 0)            = 0
[pid 13655] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13655] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13655] sync()                      = 0
[pid 13655] exit_group(0)               = ?
[pid 13655] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13655, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13656 attached
, child_tidptr=0x555555bcb690) = 13656
[pid 13656] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13656] setpgid(0, 0)               = 0
[pid 13656] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13656] write(3, "1000", 4)         = 4
[pid 13656] close(3)                    = 0
[pid 13656] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13656] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13656] pipe2([3, 4], 0)            = 0
[pid 13656] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13656] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13656] sync()                      = 0
[pid 13656] exit_group(0)               = ?
[pid 13656] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13656, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13657
./strace-static-x86_64: Process 13657 attached
[pid 13657] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13657] setpgid(0, 0)               = 0
[pid 13657] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13657] write(3, "1000", 4)         = 4
[pid 13657] close(3)                    = 0
[pid 13657] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13657] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13657] pipe2([3, 4], 0)            = 0
[pid 13657] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13657] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13657] sync()                      = 0
[pid 13657] exit_group(0)               = ?
[pid 13657] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13657, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13658 attached
 <unfinished ...>
[pid 13658] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3603] <... clone resumed>, child_tidptr=0x555555bcb690) = 13658
[pid 13658] <... prctl resumed>)        = 0
[pid 13658] setpgid(0, 0)               = 0
[pid 13658] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13658] write(3, "1000", 4)         = 4
[pid 13658] close(3)                    = 0
[pid 13658] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13658] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13658] pipe2([3, 4], 0)            = 0
[pid 13658] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13658] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13658] sync()                      = 0
[pid 13658] exit_group(0)               = ?
[pid 13658] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13658, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13659 attached
, child_tidptr=0x555555bcb690) = 13659
[pid 13659] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13659] setpgid(0, 0)               = 0
[pid 13659] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13659] write(3, "1000", 4)         = 4
[pid 13659] close(3)                    = 0
[pid 13659] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13659] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13659] pipe2([3, 4], 0)            = 0
[pid 13659] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13659] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13659] sync()                      = 0
[pid 13659] exit_group(0)               = ?
[pid 13659] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13659, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13660
./strace-static-x86_64: Process 13660 attached
[pid 13660] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13660] setpgid(0, 0)               = 0
[pid 13660] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13660] write(3, "1000", 4)         = 4
[pid 13660] close(3)                    = 0
[pid 13660] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13660] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13660] pipe2([3, 4], 0)            = 0
[pid 13660] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13660] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13660] sync()                      = 0
[pid 13660] exit_group(0)               = ?
[pid 13660] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13660, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13661
./strace-static-x86_64: Process 13661 attached
[pid 13661] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13661] setpgid(0, 0)               = 0
[pid 13661] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13661] write(3, "1000", 4)         = 4
[pid 13661] close(3)                    = 0
[pid 13661] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13661] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13661] pipe2([3, 4], 0)            = 0
[pid 13661] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13661] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13661] sync()                      = 0
[pid 13661] exit_group(0)               = ?
[pid 13661] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13661, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13662 attached
, child_tidptr=0x555555bcb690) = 13662
[pid 13662] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13662] setpgid(0, 0)               = 0
[pid 13662] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13662] write(3, "1000", 4)         = 4
[pid 13662] close(3)                    = 0
[pid 13662] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13662] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13662] pipe2([3, 4], 0)            = 0
[pid 13662] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13662] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13662] sync()                      = 0
[pid 13662] exit_group(0)               = ?
[pid 13662] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13662, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13663
./strace-static-x86_64: Process 13663 attached
[pid 13663] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13663] setpgid(0, 0)               = 0
[pid 13663] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13663] write(3, "1000", 4)         = 4
[pid 13663] close(3)                    = 0
[pid 13663] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13663] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13663] pipe2([3, 4], 0)            = 0
[pid 13663] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13663] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13663] sync()                      = 0
[pid 13663] exit_group(0)               = ?
[pid 13663] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13663, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13664
./strace-static-x86_64: Process 13664 attached
[pid 13664] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13664] setpgid(0, 0)               = 0
[pid 13664] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13664] write(3, "1000", 4)         = 4
[pid 13664] close(3)                    = 0
[pid 13664] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13664] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13664] pipe2([3, 4], 0)            = 0
[pid 13664] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13664] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13664] sync()                      = 0
[pid 13664] exit_group(0)               = ?
[pid 13664] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13664, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13665
./strace-static-x86_64: Process 13665 attached
[pid 13665] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13665] setpgid(0, 0)               = 0
[pid 13665] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13665] write(3, "1000", 4)         = 4
[pid 13665] close(3)                    = 0
[pid 13665] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13665] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13665] pipe2([3, 4], 0)            = 0
[pid 13665] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13665] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13665] sync()                      = 0
[pid 13665] exit_group(0)               = ?
[pid 13665] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13665, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13666 attached
, child_tidptr=0x555555bcb690) = 13666
[pid 13666] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13666] setpgid(0, 0)               = 0
[pid 13666] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13666] write(3, "1000", 4)         = 4
[pid 13666] close(3)                    = 0
[pid 13666] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13666] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13666] pipe2([3, 4], 0)            = 0
[pid 13666] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13666] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13666] sync()                      = 0
[pid 13666] exit_group(0)               = ?
[pid 13666] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13666, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13667
./strace-static-x86_64: Process 13667 attached
[pid 13667] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13667] setpgid(0, 0)               = 0
[pid 13667] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13667] write(3, "1000", 4)         = 4
[pid 13667] close(3)                    = 0
[pid 13667] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13667] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13667] pipe2([3, 4], 0)            = 0
[pid 13667] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13667] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13667] sync()                      = 0
[pid 13667] exit_group(0)               = ?
[pid 13667] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13667, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13668 attached
, child_tidptr=0x555555bcb690) = 13668
[pid 13668] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13668] setpgid(0, 0)               = 0
[pid 13668] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13668] write(3, "1000", 4)         = 4
[pid 13668] close(3)                    = 0
[pid 13668] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13668] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13668] pipe2([3, 4], 0)            = 0
[pid 13668] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13668] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13668] sync()                      = 0
[pid 13668] exit_group(0)               = ?
[pid 13668] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13668, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13669 attached
, child_tidptr=0x555555bcb690) = 13669
[pid 13669] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13669] setpgid(0, 0)               = 0
[pid 13669] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13669] write(3, "1000", 4)         = 4
[pid 13669] close(3)                    = 0
[pid 13669] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13669] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13669] pipe2([3, 4], 0)            = 0
[pid 13669] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13669] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13669] sync()                      = 0
[pid 13669] exit_group(0)               = ?
[pid 13669] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13669, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13670
./strace-static-x86_64: Process 13670 attached
[pid 13670] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13670] setpgid(0, 0)               = 0
[pid 13670] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13670] write(3, "1000", 4)         = 4
[pid 13670] close(3)                    = 0
[pid 13670] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13670] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13670] pipe2([3, 4], 0)            = 0
[pid 13670] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13670] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13670] sync()                      = 0
[pid 13670] exit_group(0)               = ?
[pid 13670] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13670, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13671
./strace-static-x86_64: Process 13671 attached
[pid 13671] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13671] setpgid(0, 0)               = 0
[pid 13671] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13671] write(3, "1000", 4)         = 4
[pid 13671] close(3)                    = 0
[pid 13671] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13671] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13671] pipe2([3, 4], 0)            = 0
[pid 13671] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13671] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13671] sync()                      = 0
[pid 13671] exit_group(0)               = ?
[pid 13671] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13671, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13672
./strace-static-x86_64: Process 13672 attached
[pid 13672] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13672] setpgid(0, 0)               = 0
[pid 13672] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13672] write(3, "1000", 4)         = 4
[pid 13672] close(3)                    = 0
[pid 13672] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13672] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13672] pipe2([3, 4], 0)            = 0
[pid 13672] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13672] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13672] sync()                      = 0
[pid 13672] exit_group(0)               = ?
[pid 13672] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13672, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13673
./strace-static-x86_64: Process 13673 attached
[pid 13673] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13673] setpgid(0, 0)               = 0
[pid 13673] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13673] write(3, "1000", 4)         = 4
[pid 13673] close(3)                    = 0
[pid 13673] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13673] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13673] pipe2([3, 4], 0)            = 0
[pid 13673] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13673] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13673] sync()                      = 0
[pid 13673] exit_group(0)               = ?
[pid 13673] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13673, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13674
./strace-static-x86_64: Process 13674 attached
[pid 13674] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13674] setpgid(0, 0)               = 0
[pid 13674] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13674] write(3, "1000", 4)         = 4
[pid 13674] close(3)                    = 0
[pid 13674] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13674] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13674] pipe2([3, 4], 0)            = 0
[pid 13674] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13674] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13674] sync()                      = 0
[pid 13674] exit_group(0)               = ?
[pid 13674] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13674, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13675 attached
, child_tidptr=0x555555bcb690) = 13675
[pid 13675] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13675] setpgid(0, 0)               = 0
[pid 13675] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13675] write(3, "1000", 4)         = 4
[pid 13675] close(3)                    = 0
[pid 13675] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13675] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13675] pipe2([3, 4], 0)            = 0
[pid 13675] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13675] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13675] sync()                      = 0
[pid 13675] exit_group(0)               = ?
[pid 13675] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13675, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13676
./strace-static-x86_64: Process 13676 attached
[pid 13676] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13676] setpgid(0, 0)               = 0
[pid 13676] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13676] write(3, "1000", 4)         = 4
[pid 13676] close(3)                    = 0
[pid 13676] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13676] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13676] pipe2([3, 4], 0)            = 0
[pid 13676] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13676] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13676] sync()                      = 0
[pid 13676] exit_group(0)               = ?
[pid 13676] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13676, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13677
./strace-static-x86_64: Process 13677 attached
[pid 13677] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13677] setpgid(0, 0)               = 0
[pid 13677] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13677] write(3, "1000", 4)         = 4
[pid 13677] close(3)                    = 0
[pid 13677] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13677] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13677] pipe2([3, 4], 0)            = 0
[pid 13677] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13677] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13677] sync()                      = 0
[pid 13677] exit_group(0)               = ?
[pid 13677] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13677, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13678 attached
, child_tidptr=0x555555bcb690) = 13678
[pid 13678] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13678] setpgid(0, 0)               = 0
[pid 13678] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13678] write(3, "1000", 4)         = 4
[pid 13678] close(3)                    = 0
[pid 13678] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13678] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13678] pipe2([3, 4], 0)            = 0
[pid 13678] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13678] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13678] sync()                      = 0
[pid 13678] exit_group(0)               = ?
[pid 13678] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13678, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13679
./strace-static-x86_64: Process 13679 attached
[pid 13679] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13679] setpgid(0, 0)               = 0
[pid 13679] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13679] write(3, "1000", 4)         = 4
[pid 13679] close(3)                    = 0
[pid 13679] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13679] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13679] pipe2([3, 4], 0)            = 0
[pid 13679] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13679] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13679] sync()                      = 0
[pid 13679] exit_group(0)               = ?
[pid 13679] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13679, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13680
./strace-static-x86_64: Process 13680 attached
[pid 13680] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13680] setpgid(0, 0)               = 0
[pid 13680] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13680] write(3, "1000", 4)         = 4
[pid 13680] close(3)                    = 0
[pid 13680] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13680] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13680] pipe2([3, 4], 0)            = 0
[pid 13680] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13680] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13680] sync()                      = 0
[pid 13680] exit_group(0)               = ?
[pid 13680] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13680, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13681
./strace-static-x86_64: Process 13681 attached
[pid 13681] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13681] setpgid(0, 0)               = 0
[pid 13681] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13681] write(3, "1000", 4)         = 4
[pid 13681] close(3)                    = 0
[pid 13681] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13681] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13681] pipe2([3, 4], 0)            = 0
[pid 13681] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13681] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13681] sync()                      = 0
[pid 13681] exit_group(0)               = ?
[pid 13681] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13681, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13682
./strace-static-x86_64: Process 13682 attached
[pid 13682] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13682] setpgid(0, 0)               = 0
[pid 13682] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13682] write(3, "1000", 4)         = 4
[pid 13682] close(3)                    = 0
[pid 13682] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13682] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13682] pipe2([3, 4], 0)            = 0
[pid 13682] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13682] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13682] sync()                      = 0
[pid 13682] exit_group(0)               = ?
[pid 13682] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13682, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13683
./strace-static-x86_64: Process 13683 attached
[pid 13683] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13683] setpgid(0, 0)               = 0
[pid 13683] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13683] write(3, "1000", 4)         = 4
[pid 13683] close(3)                    = 0
[pid 13683] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13683] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13683] pipe2([3, 4], 0)            = 0
[pid 13683] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13683] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13683] sync()                      = 0
[pid 13683] exit_group(0)               = ?
[pid 13683] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13683, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13684
./strace-static-x86_64: Process 13684 attached
[pid 13684] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13684] setpgid(0, 0)               = 0
[pid 13684] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13684] write(3, "1000", 4)         = 4
[pid 13684] close(3)                    = 0
[pid 13684] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13684] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13684] pipe2([3, 4], 0)            = 0
[pid 13684] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13684] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13684] sync()                      = 0
[pid 13684] exit_group(0)               = ?
[pid 13684] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13684, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13685
./strace-static-x86_64: Process 13685 attached
[pid 13685] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13685] setpgid(0, 0)               = 0
[pid 13685] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13685] write(3, "1000", 4)         = 4
[pid 13685] close(3)                    = 0
[pid 13685] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13685] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13685] pipe2([3, 4], 0)            = 0
[pid 13685] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13685] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13685] sync()                      = 0
[pid 13685] exit_group(0)               = ?
[pid 13685] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13685, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13686
./strace-static-x86_64: Process 13686 attached
[pid 13686] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13686] setpgid(0, 0)               = 0
[pid 13686] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13686] write(3, "1000", 4)         = 4
[pid 13686] close(3)                    = 0
[pid 13686] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13686] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13686] pipe2([3, 4], 0)            = 0
[pid 13686] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13686] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13686] sync()                      = 0
[pid 13686] exit_group(0)               = ?
[pid 13686] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13686, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13687 attached
, child_tidptr=0x555555bcb690) = 13687
[pid 13687] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13687] setpgid(0, 0)               = 0
[pid 13687] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13687] write(3, "1000", 4)         = 4
[pid 13687] close(3)                    = 0
[pid 13687] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13687] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13687] pipe2([3, 4], 0)            = 0
[pid 13687] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13687] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13687] sync()                      = 0
[pid 13687] exit_group(0)               = ?
[pid 13687] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13687, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13688
./strace-static-x86_64: Process 13688 attached
[pid 13688] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13688] setpgid(0, 0)               = 0
[pid 13688] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13688] write(3, "1000", 4)         = 4
[pid 13688] close(3)                    = 0
[pid 13688] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13688] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13688] pipe2([3, 4], 0)            = 0
[pid 13688] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13688] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13688] sync()                      = 0
[pid 13688] exit_group(0)               = ?
[pid 13688] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13688, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13689
./strace-static-x86_64: Process 13689 attached
[pid 13689] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13689] setpgid(0, 0)               = 0
[pid 13689] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13689] write(3, "1000", 4)         = 4
[pid 13689] close(3)                    = 0
[pid 13689] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13689] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13689] pipe2([3, 4], 0)            = 0
[pid 13689] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13689] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13689] sync()                      = 0
[pid 13689] exit_group(0)               = ?
[pid 13689] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13689, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13690 attached
, child_tidptr=0x555555bcb690) = 13690
[pid 13690] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13690] setpgid(0, 0)               = 0
[pid 13690] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13690] write(3, "1000", 4)         = 4
[pid 13690] close(3)                    = 0
[pid 13690] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13690] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13690] pipe2([3, 4], 0)            = 0
[pid 13690] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13690] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13690] sync()                      = 0
[pid 13690] exit_group(0)               = ?
[pid 13690] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13690, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13691 attached
, child_tidptr=0x555555bcb690) = 13691
[pid 13691] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13691] setpgid(0, 0)               = 0
[pid 13691] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13691] write(3, "1000", 4)         = 4
[pid 13691] close(3)                    = 0
[pid 13691] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13691] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13691] pipe2([3, 4], 0)            = 0
[pid 13691] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13691] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13691] sync()                      = 0
[pid 13691] exit_group(0)               = ?
[pid 13691] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13691, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13692 attached
, child_tidptr=0x555555bcb690) = 13692
[pid 13692] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13692] setpgid(0, 0)               = 0
[pid 13692] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13692] write(3, "1000", 4)         = 4
[pid 13692] close(3)                    = 0
[pid 13692] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13692] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13692] pipe2([3, 4], 0)            = 0
[pid 13692] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13692] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13692] sync()                      = 0
[pid 13692] exit_group(0)               = ?
[pid 13692] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13692, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13693 attached
, child_tidptr=0x555555bcb690) = 13693
[pid 13693] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13693] setpgid(0, 0)               = 0
[pid 13693] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13693] write(3, "1000", 4)         = 4
[pid 13693] close(3)                    = 0
[pid 13693] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13693] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13693] pipe2([3, 4], 0)            = 0
[pid 13693] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13693] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13693] sync()                      = 0
[pid 13693] exit_group(0)               = ?
[pid 13693] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13693, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13694 attached
, child_tidptr=0x555555bcb690) = 13694
[pid 13694] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13694] setpgid(0, 0)               = 0
[pid 13694] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13694] write(3, "1000", 4)         = 4
[pid 13694] close(3)                    = 0
[pid 13694] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13694] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13694] pipe2([3, 4], 0)            = 0
[pid 13694] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13694] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13694] sync()                      = 0
[pid 13694] exit_group(0)               = ?
[pid 13694] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13694, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13695
./strace-static-x86_64: Process 13695 attached
[pid 13695] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13695] setpgid(0, 0)               = 0
[pid 13695] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13695] write(3, "1000", 4)         = 4
[pid 13695] close(3)                    = 0
[pid 13695] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13695] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13695] pipe2([3, 4], 0)            = 0
[pid 13695] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13695] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13695] sync()                      = 0
[pid 13695] exit_group(0)               = ?
[pid 13695] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13695, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13696
./strace-static-x86_64: Process 13696 attached
[pid 13696] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13696] setpgid(0, 0)               = 0
[pid 13696] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13696] write(3, "1000", 4)         = 4
[pid 13696] close(3)                    = 0
[pid 13696] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13696] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13696] pipe2([3, 4], 0)            = 0
[pid 13696] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13696] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13696] sync()                      = 0
[pid 13696] exit_group(0)               = ?
[pid 13696] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13696, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13697 attached
 <unfinished ...>
[pid 13697] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13697] setpgid(0, 0)               = 0
[pid 13697] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3603] <... clone resumed>, child_tidptr=0x555555bcb690) = 13697
[pid 13697] <... openat resumed>)       = 3
[pid 13697] write(3, "1000", 4)         = 4
[pid 13697] close(3)                    = 0
[pid 13697] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13697] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13697] pipe2([3, 4], 0)            = 0
[pid 13697] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13697] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13697] sync()                      = 0
[pid 13697] exit_group(0)               = ?
[pid 13697] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13697, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13698 attached
, child_tidptr=0x555555bcb690) = 13698
[pid 13698] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13698] setpgid(0, 0)               = 0
[pid 13698] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13698] write(3, "1000", 4)         = 4
[pid 13698] close(3)                    = 0
[pid 13698] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13698] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13698] pipe2([3, 4], 0)            = 0
[pid 13698] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13698] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13698] sync()                      = 0
[pid 13698] exit_group(0)               = ?
[pid 13698] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13698, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13699
./strace-static-x86_64: Process 13699 attached
[pid 13699] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13699] setpgid(0, 0)               = 0
[pid 13699] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13699] write(3, "1000", 4)         = 4
[pid 13699] close(3)                    = 0
[pid 13699] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13699] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13699] pipe2([3, 4], 0)            = 0
[pid 13699] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13699] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13699] sync()                      = 0
[pid 13699] exit_group(0)               = ?
[pid 13699] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13699, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13700 attached
, child_tidptr=0x555555bcb690) = 13700
[pid 13700] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13700] setpgid(0, 0)               = 0
[pid 13700] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13700] write(3, "1000", 4)         = 4
[pid 13700] close(3)                    = 0
[pid 13700] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13700] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13700] pipe2([3, 4], 0)            = 0
[pid 13700] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13700] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13700] sync()                      = 0
[pid 13700] exit_group(0)               = ?
[pid 13700] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13700, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13701 attached
, child_tidptr=0x555555bcb690) = 13701
[pid 13701] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13701] setpgid(0, 0)               = 0
[pid 13701] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13701] write(3, "1000", 4)         = 4
[pid 13701] close(3)                    = 0
[pid 13701] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13701] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13701] pipe2([3, 4], 0)            = 0
[pid 13701] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13701] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13701] sync()                      = 0
[pid 13701] exit_group(0)               = ?
[pid 13701] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13701, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13702 attached
, child_tidptr=0x555555bcb690) = 13702
[pid 13702] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13702] setpgid(0, 0)               = 0
[pid 13702] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13702] write(3, "1000", 4)         = 4
[pid 13702] close(3)                    = 0
[pid 13702] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13702] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13702] pipe2([3, 4], 0)            = 0
[pid 13702] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13702] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13702] sync()                      = 0
[pid 13702] exit_group(0)               = ?
[pid 13702] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13702, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13703
./strace-static-x86_64: Process 13703 attached
[pid 13703] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13703] setpgid(0, 0)               = 0
[pid 13703] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13703] write(3, "1000", 4)         = 4
[pid 13703] close(3)                    = 0
[pid 13703] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13703] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13703] pipe2([3, 4], 0)            = 0
[pid 13703] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13703] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13703] sync()                      = 0
[pid 13703] exit_group(0)               = ?
[pid 13703] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13703, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13704 attached
 <unfinished ...>
[pid 13704] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13704] setpgid(0, 0)               = 0
[pid  3603] <... clone resumed>, child_tidptr=0x555555bcb690) = 13704
[pid 13704] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13704] write(3, "1000", 4)         = 4
[pid 13704] close(3)                    = 0
[pid 13704] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13704] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13704] pipe2([3, 4], 0)            = 0
[pid 13704] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13704] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13704] sync()                      = 0
[pid 13704] exit_group(0)               = ?
[pid 13704] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13704, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13705 attached
, child_tidptr=0x555555bcb690) = 13705
[pid 13705] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13705] setpgid(0, 0)               = 0
[pid 13705] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13705] write(3, "1000", 4)         = 4
[pid 13705] close(3)                    = 0
[pid 13705] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13705] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13705] pipe2([3, 4], 0)            = 0
[pid 13705] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13705] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13705] sync()                      = 0
[pid 13705] exit_group(0)               = ?
[pid 13705] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13705, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13706 attached
, child_tidptr=0x555555bcb690) = 13706
[pid 13706] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13706] setpgid(0, 0)               = 0
[pid 13706] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13706] write(3, "1000", 4)         = 4
[pid 13706] close(3)                    = 0
[pid 13706] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13706] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13706] pipe2([3, 4], 0)            = 0
[pid 13706] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13706] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13706] sync()                      = 0
[pid 13706] exit_group(0)               = ?
[pid 13706] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13706, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13707 attached
, child_tidptr=0x555555bcb690) = 13707
[pid 13707] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13707] setpgid(0, 0)               = 0
[pid 13707] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13707] write(3, "1000", 4)         = 4
[pid 13707] close(3)                    = 0
[pid 13707] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13707] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13707] pipe2([3, 4], 0)            = 0
[pid 13707] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13707] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13707] sync()                      = 0
[pid 13707] exit_group(0)               = ?
[pid 13707] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13707, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13708
./strace-static-x86_64: Process 13708 attached
[pid 13708] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13708] setpgid(0, 0)               = 0
[pid 13708] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13708] write(3, "1000", 4)         = 4
[pid 13708] close(3)                    = 0
[pid 13708] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13708] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13708] pipe2([3, 4], 0)            = 0
[pid 13708] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13708] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13708] sync()                      = 0
[pid 13708] exit_group(0)               = ?
[pid 13708] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13708, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13709
./strace-static-x86_64: Process 13709 attached
[pid 13709] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13709] setpgid(0, 0)               = 0
[pid 13709] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13709] write(3, "1000", 4)         = 4
[pid 13709] close(3)                    = 0
[pid 13709] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13709] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13709] pipe2([3, 4], 0)            = 0
[pid 13709] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13709] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13709] sync()                      = 0
[pid 13709] exit_group(0)               = ?
[pid 13709] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13709, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13710 attached
, child_tidptr=0x555555bcb690) = 13710
[pid 13710] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13710] setpgid(0, 0)               = 0
[pid 13710] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13710] write(3, "1000", 4)         = 4
[pid 13710] close(3)                    = 0
[pid 13710] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13710] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13710] pipe2([3, 4], 0)            = 0
[pid 13710] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13710] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13710] sync()                      = 0
[pid 13710] exit_group(0)               = ?
[pid 13710] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13710, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13711
./strace-static-x86_64: Process 13711 attached
[pid 13711] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13711] setpgid(0, 0)               = 0
[pid 13711] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13711] write(3, "1000", 4)         = 4
[pid 13711] close(3)                    = 0
[pid 13711] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13711] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13711] pipe2([3, 4], 0)            = 0
[pid 13711] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13711] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13711] sync()                      = 0
[pid 13711] exit_group(0)               = ?
[pid 13711] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13711, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13712
./strace-static-x86_64: Process 13712 attached
[pid 13712] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13712] setpgid(0, 0)               = 0
[pid 13712] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13712] write(3, "1000", 4)         = 4
[pid 13712] close(3)                    = 0
[pid 13712] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13712] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13712] pipe2([3, 4], 0)            = 0
[pid 13712] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13712] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13712] sync()                      = 0
[pid 13712] exit_group(0)               = ?
[pid 13712] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13712, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13713
./strace-static-x86_64: Process 13713 attached
[pid 13713] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13713] setpgid(0, 0)               = 0
[pid 13713] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13713] write(3, "1000", 4)         = 4
[pid 13713] close(3)                    = 0
[pid 13713] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13713] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13713] pipe2([3, 4], 0)            = 0
[pid 13713] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13713] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13713] sync()                      = 0
[pid 13713] exit_group(0)               = ?
[pid 13713] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13713, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13714
./strace-static-x86_64: Process 13714 attached
[pid 13714] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13714] setpgid(0, 0)               = 0
[pid 13714] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13714] write(3, "1000", 4)         = 4
[pid 13714] close(3)                    = 0
[pid 13714] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13714] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13714] pipe2([3, 4], 0)            = 0
[pid 13714] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13714] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13714] sync()                      = 0
[pid 13714] exit_group(0)               = ?
[pid 13714] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13714, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13715
./strace-static-x86_64: Process 13715 attached
[pid 13715] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13715] setpgid(0, 0)               = 0
[pid 13715] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13715] write(3, "1000", 4)         = 4
[pid 13715] close(3)                    = 0
[pid 13715] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13715] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13715] pipe2([3, 4], 0)            = 0
[pid 13715] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13715] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13715] sync()                      = 0
[pid 13715] exit_group(0)               = ?
[pid 13715] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13715, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13716 attached
, child_tidptr=0x555555bcb690) = 13716
[pid 13716] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13716] setpgid(0, 0)               = 0
[pid 13716] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13716] write(3, "1000", 4)         = 4
[pid 13716] close(3)                    = 0
[pid 13716] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13716] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13716] pipe2([3, 4], 0)            = 0
[pid 13716] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13716] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13716] sync()                      = 0
[pid 13716] exit_group(0)               = ?
[pid 13716] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13716, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13717 attached
, child_tidptr=0x555555bcb690) = 13717
[pid 13717] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13717] setpgid(0, 0)               = 0
[pid 13717] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13717] write(3, "1000", 4)         = 4
[pid 13717] close(3)                    = 0
[pid 13717] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13717] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13717] pipe2([3, 4], 0)            = 0
[pid 13717] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13717] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13717] sync()                      = 0
[pid 13717] exit_group(0)               = ?
[pid 13717] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13717, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13718 attached
, child_tidptr=0x555555bcb690) = 13718
[pid 13718] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13718] setpgid(0, 0)               = 0
[pid 13718] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13718] write(3, "1000", 4)         = 4
[pid 13718] close(3)                    = 0
[pid 13718] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13718] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13718] pipe2([3, 4], 0)            = 0
[pid 13718] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13718] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13718] sync()                      = 0
[pid 13718] exit_group(0)               = ?
[pid 13718] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13718, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13719 attached
, child_tidptr=0x555555bcb690) = 13719
[pid 13719] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13719] setpgid(0, 0)               = 0
[pid 13719] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13719] write(3, "1000", 4)         = 4
[pid 13719] close(3)                    = 0
[pid 13719] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13719] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13719] pipe2([3, 4], 0)            = 0
[pid 13719] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13719] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13719] sync()                      = 0
[pid 13719] exit_group(0)               = ?
[pid 13719] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13719, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13720
./strace-static-x86_64: Process 13720 attached
[pid 13720] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13720] setpgid(0, 0)               = 0
[pid 13720] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13720] write(3, "1000", 4)         = 4
[pid 13720] close(3)                    = 0
[pid 13720] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13720] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13720] pipe2([3, 4], 0)            = 0
[pid 13720] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13720] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13720] sync()                      = 0
[pid 13720] exit_group(0)               = ?
[pid 13720] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13720, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13721
./strace-static-x86_64: Process 13721 attached
[pid 13721] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13721] setpgid(0, 0)               = 0
[pid 13721] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13721] write(3, "1000", 4)         = 4
[pid 13721] close(3)                    = 0
[pid 13721] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13721] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13721] pipe2([3, 4], 0)            = 0
[pid 13721] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13721] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13721] sync()                      = 0
[pid 13721] exit_group(0)               = ?
[pid 13721] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13721, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13722 attached
, child_tidptr=0x555555bcb690) = 13722
[pid 13722] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13722] setpgid(0, 0)               = 0
[pid 13722] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13722] write(3, "1000", 4)         = 4
[pid 13722] close(3)                    = 0
[pid 13722] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13722] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13722] pipe2([3, 4], 0)            = 0
[pid 13722] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13722] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13722] sync()                      = 0
[pid 13722] exit_group(0)               = ?
[pid 13722] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13722, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13723 attached
, child_tidptr=0x555555bcb690) = 13723
[pid 13723] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13723] setpgid(0, 0)               = 0
[pid 13723] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13723] write(3, "1000", 4)         = 4
[pid 13723] close(3)                    = 0
[pid 13723] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13723] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13723] pipe2([3, 4], 0)            = 0
[pid 13723] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13723] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13723] sync()                      = 0
[pid 13723] exit_group(0)               = ?
[pid 13723] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13723, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13724
./strace-static-x86_64: Process 13724 attached
[pid 13724] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13724] setpgid(0, 0)               = 0
[pid 13724] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13724] write(3, "1000", 4)         = 4
[pid 13724] close(3)                    = 0
[pid 13724] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13724] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13724] pipe2([3, 4], 0)            = 0
[pid 13724] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13724] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13724] sync()                      = 0
[pid 13724] exit_group(0)               = ?
[pid 13724] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13724, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13725 attached
, child_tidptr=0x555555bcb690) = 13725
[pid 13725] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13725] setpgid(0, 0)               = 0
[pid 13725] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13725] write(3, "1000", 4)         = 4
[pid 13725] close(3)                    = 0
[pid 13725] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13725] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13725] pipe2([3, 4], 0)            = 0
[pid 13725] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13725] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13725] sync()                      = 0
[pid 13725] exit_group(0)               = ?
[pid 13725] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13725, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13726 attached
, child_tidptr=0x555555bcb690) = 13726
[pid 13726] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13726] setpgid(0, 0)               = 0
[pid 13726] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13726] write(3, "1000", 4)         = 4
[pid 13726] close(3)                    = 0
[pid 13726] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13726] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13726] pipe2([3, 4], 0)            = 0
[pid 13726] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13726] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13726] sync()                      = 0
[pid 13726] exit_group(0)               = ?
[pid 13726] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13726, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13727
./strace-static-x86_64: Process 13727 attached
[pid 13727] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13727] setpgid(0, 0)               = 0
[pid 13727] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13727] write(3, "1000", 4)         = 4
[pid 13727] close(3)                    = 0
[pid 13727] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13727] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13727] pipe2([3, 4], 0)            = 0
[pid 13727] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13727] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13727] sync()                      = 0
[pid 13727] exit_group(0)               = ?
[pid 13727] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13727, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13728
./strace-static-x86_64: Process 13728 attached
[pid 13728] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13728] setpgid(0, 0)               = 0
[pid 13728] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13728] write(3, "1000", 4)         = 4
[pid 13728] close(3)                    = 0
[pid 13728] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13728] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13728] pipe2([3, 4], 0)            = 0
[pid 13728] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13728] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13728] sync()                      = 0
[pid 13728] exit_group(0)               = ?
[pid 13728] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13728, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13729 attached
, child_tidptr=0x555555bcb690) = 13729
[pid 13729] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13729] setpgid(0, 0)               = 0
[pid 13729] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13729] write(3, "1000", 4)         = 4
[pid 13729] close(3)                    = 0
[pid 13729] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13729] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13729] pipe2([3, 4], 0)            = 0
[pid 13729] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13729] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13729] sync()                      = 0
[pid 13729] exit_group(0)               = ?
[pid 13729] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13729, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13730 attached
, child_tidptr=0x555555bcb690) = 13730
[pid 13730] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13730] setpgid(0, 0)               = 0
[pid 13730] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13730] write(3, "1000", 4)         = 4
[pid 13730] close(3)                    = 0
[pid 13730] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13730] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13730] pipe2([3, 4], 0)            = 0
[pid 13730] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13730] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13730] sync()                      = 0
[pid 13730] exit_group(0)               = ?
[pid 13730] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13730, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13731 attached
, child_tidptr=0x555555bcb690) = 13731
[pid 13731] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13731] setpgid(0, 0)               = 0
[pid 13731] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13731] write(3, "1000", 4)         = 4
[pid 13731] close(3)                    = 0
[pid 13731] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13731] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13731] pipe2([3, 4], 0)            = 0
[pid 13731] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13731] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13731] sync()                      = 0
[pid 13731] exit_group(0)               = ?
[pid 13731] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13731, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13732 attached
, child_tidptr=0x555555bcb690) = 13732
[pid 13732] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13732] setpgid(0, 0)               = 0
[pid 13732] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13732] write(3, "1000", 4)         = 4
[pid 13732] close(3)                    = 0
[pid 13732] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13732] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13732] pipe2([3, 4], 0)            = 0
[pid 13732] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13732] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13732] sync()                      = 0
[pid 13732] exit_group(0)               = ?
[pid 13732] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13732, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13733
./strace-static-x86_64: Process 13733 attached
[pid 13733] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13733] setpgid(0, 0)               = 0
[pid 13733] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13733] write(3, "1000", 4)         = 4
[pid 13733] close(3)                    = 0
[pid 13733] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13733] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13733] pipe2([3, 4], 0)            = 0
[pid 13733] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13733] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13733] sync()                      = 0
[pid 13733] exit_group(0)               = ?
[pid 13733] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13733, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13734
./strace-static-x86_64: Process 13734 attached
[pid 13734] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13734] setpgid(0, 0)               = 0
[pid 13734] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13734] write(3, "1000", 4)         = 4
[pid 13734] close(3)                    = 0
[pid 13734] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13734] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13734] pipe2([3, 4], 0)            = 0
[pid 13734] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13734] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13734] sync()                      = 0
[pid 13734] exit_group(0)               = ?
[pid 13734] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13734, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13735
./strace-static-x86_64: Process 13735 attached
[pid 13735] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13735] setpgid(0, 0)               = 0
[pid 13735] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13735] write(3, "1000", 4)         = 4
[pid 13735] close(3)                    = 0
[pid 13735] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13735] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13735] pipe2([3, 4], 0)            = 0
[pid 13735] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13735] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13735] sync()                      = 0
[pid 13735] exit_group(0)               = ?
[pid 13735] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13735, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13736 attached
 <unfinished ...>
[pid 13736] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13736] setpgid(0, 0)               = 0
[pid 13736] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3603] <... clone resumed>, child_tidptr=0x555555bcb690) = 13736
[pid 13736] <... openat resumed>)       = 3
[pid 13736] write(3, "1000", 4)         = 4
[pid 13736] close(3)                    = 0
[pid 13736] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13736] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13736] pipe2([3, 4], 0)            = 0
[pid 13736] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13736] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13736] sync()                      = 0
[pid 13736] exit_group(0)               = ?
[pid 13736] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13736, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13737
./strace-static-x86_64: Process 13737 attached
[pid 13737] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13737] setpgid(0, 0)               = 0
[pid 13737] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13737] write(3, "1000", 4)         = 4
[pid 13737] close(3)                    = 0
[pid 13737] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13737] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13737] pipe2([3, 4], 0)            = 0
[pid 13737] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13737] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13737] sync()                      = 0
[pid 13737] exit_group(0)               = ?
[pid 13737] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13737, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13738
./strace-static-x86_64: Process 13738 attached
[pid 13738] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13738] setpgid(0, 0)               = 0
[pid 13738] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13738] write(3, "1000", 4)         = 4
[pid 13738] close(3)                    = 0
[pid 13738] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13738] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13738] pipe2([3, 4], 0)            = 0
[pid 13738] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13738] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13738] sync()                      = 0
[pid 13738] exit_group(0)               = ?
[pid 13738] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13738, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13739 attached
, child_tidptr=0x555555bcb690) = 13739
[pid 13739] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13739] setpgid(0, 0)               = 0
[pid 13739] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13739] write(3, "1000", 4)         = 4
[pid 13739] close(3)                    = 0
[pid 13739] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13739] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13739] pipe2([3, 4], 0)            = 0
[pid 13739] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13739] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13739] sync()                      = 0
[pid 13739] exit_group(0)               = ?
[pid 13739] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13739, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13740 attached
, child_tidptr=0x555555bcb690) = 13740
[pid 13740] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13740] setpgid(0, 0)               = 0
[pid 13740] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13740] write(3, "1000", 4)         = 4
[pid 13740] close(3)                    = 0
[pid 13740] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13740] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13740] pipe2([3, 4], 0)            = 0
[pid 13740] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13740] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13740] sync()                      = 0
[pid 13740] exit_group(0)               = ?
[pid 13740] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13740, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13741 attached
, child_tidptr=0x555555bcb690) = 13741
[pid 13741] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13741] setpgid(0, 0)               = 0
[pid 13741] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13741] write(3, "1000", 4)         = 4
[pid 13741] close(3)                    = 0
[pid 13741] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13741] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13741] pipe2([3, 4], 0)            = 0
[pid 13741] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13741] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13741] sync()                      = 0
[pid 13741] exit_group(0)               = ?
[pid 13741] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13741, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13742 attached
, child_tidptr=0x555555bcb690) = 13742
[pid 13742] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13742] setpgid(0, 0)               = 0
[pid 13742] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13742] write(3, "1000", 4)         = 4
[pid 13742] close(3)                    = 0
[pid 13742] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13742] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13742] pipe2([3, 4], 0)            = 0
[pid 13742] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13742] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13742] sync()                      = 0
[pid 13742] exit_group(0)               = ?
[pid 13742] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13742, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13743
./strace-static-x86_64: Process 13743 attached
[pid 13743] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13743] setpgid(0, 0)               = 0
[pid 13743] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13743] write(3, "1000", 4)         = 4
[pid 13743] close(3)                    = 0
[pid 13743] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13743] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13743] pipe2([3, 4], 0)            = 0
[pid 13743] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13743] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13743] sync()                      = 0
[pid 13743] exit_group(0)               = ?
[pid 13743] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13743, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13744
./strace-static-x86_64: Process 13744 attached
[pid 13744] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13744] setpgid(0, 0)               = 0
[pid 13744] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13744] write(3, "1000", 4)         = 4
[pid 13744] close(3)                    = 0
[pid 13744] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13744] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13744] pipe2([3, 4], 0)            = 0
[pid 13744] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13744] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13744] sync()                      = 0
[pid 13744] exit_group(0)               = ?
[pid 13744] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13744, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13745 attached
, child_tidptr=0x555555bcb690) = 13745
[pid 13745] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13745] setpgid(0, 0)               = 0
[pid 13745] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13745] write(3, "1000", 4)         = 4
[pid 13745] close(3)                    = 0
[pid 13745] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13745] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13745] pipe2([3, 4], 0)            = 0
[pid 13745] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13745] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13745] sync()                      = 0
[pid 13745] exit_group(0)               = ?
[pid 13745] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13745, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13746
./strace-static-x86_64: Process 13746 attached
[pid 13746] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13746] setpgid(0, 0)               = 0
[pid 13746] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13746] write(3, "1000", 4)         = 4
[pid 13746] close(3)                    = 0
[pid 13746] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13746] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13746] pipe2([3, 4], 0)            = 0
[pid 13746] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13746] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13746] sync()                      = 0
[pid 13746] exit_group(0)               = ?
[pid 13746] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13746, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13747
./strace-static-x86_64: Process 13747 attached
[pid 13747] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13747] setpgid(0, 0)               = 0
[pid 13747] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13747] write(3, "1000", 4)         = 4
[pid 13747] close(3)                    = 0
[pid 13747] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13747] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13747] pipe2([3, 4], 0)            = 0
[pid 13747] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13747] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13747] sync()                      = 0
[pid 13747] exit_group(0)               = ?
[pid 13747] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13747, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13748 attached
, child_tidptr=0x555555bcb690) = 13748
[pid 13748] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13748] setpgid(0, 0)               = 0
[pid 13748] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13748] write(3, "1000", 4)         = 4
[pid 13748] close(3)                    = 0
[pid 13748] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13748] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13748] pipe2([3, 4], 0)            = 0
[pid 13748] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13748] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13748] sync()                      = 0
[pid 13748] exit_group(0)               = ?
[pid 13748] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13748, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13749
./strace-static-x86_64: Process 13749 attached
[pid 13749] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13749] setpgid(0, 0)               = 0
[pid 13749] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13749] write(3, "1000", 4)         = 4
[pid 13749] close(3)                    = 0
[pid 13749] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13749] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13749] pipe2([3, 4], 0)            = 0
[pid 13749] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13749] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13749] sync()                      = 0
[pid 13749] exit_group(0)               = ?
[pid 13749] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13749, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13750 attached
, child_tidptr=0x555555bcb690) = 13750
[pid 13750] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13750] setpgid(0, 0)               = 0
[pid 13750] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13750] write(3, "1000", 4)         = 4
[pid 13750] close(3)                    = 0
[pid 13750] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13750] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13750] pipe2([3, 4], 0)            = 0
[pid 13750] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13750] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13750] sync()                      = 0
[pid 13750] exit_group(0)               = ?
[pid 13750] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13750, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13751 attached
, child_tidptr=0x555555bcb690) = 13751
[pid 13751] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13751] setpgid(0, 0)               = 0
[pid 13751] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13751] write(3, "1000", 4)         = 4
[pid 13751] close(3)                    = 0
[pid 13751] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13751] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13751] pipe2([3, 4], 0)            = 0
[pid 13751] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13751] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13751] sync()                      = 0
[pid 13751] exit_group(0)               = ?
[pid 13751] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13751, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13752 attached
, child_tidptr=0x555555bcb690) = 13752
[pid 13752] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13752] setpgid(0, 0)               = 0
[pid 13752] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13752] write(3, "1000", 4)         = 4
[pid 13752] close(3)                    = 0
[pid 13752] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13752] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13752] pipe2([3, 4], 0)            = 0
[pid 13752] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13752] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13752] sync()                      = 0
[pid 13752] exit_group(0)               = ?
[pid 13752] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13752, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13753 attached
, child_tidptr=0x555555bcb690) = 13753
[pid 13753] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13753] setpgid(0, 0)               = 0
[pid 13753] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13753] write(3, "1000", 4)         = 4
[pid 13753] close(3)                    = 0
[pid 13753] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13753] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13753] pipe2([3, 4], 0)            = 0
[pid 13753] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13753] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13753] sync()                      = 0
[pid 13753] exit_group(0)               = ?
[pid 13753] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13753, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13754 attached
, child_tidptr=0x555555bcb690) = 13754
[pid 13754] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13754] setpgid(0, 0)               = 0
[pid 13754] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13754] write(3, "1000", 4)         = 4
[pid 13754] close(3)                    = 0
[pid 13754] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13754] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13754] pipe2([3, 4], 0)            = 0
[pid 13754] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13754] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13754] sync()                      = 0
[pid 13754] exit_group(0)               = ?
[pid 13754] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13754, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13755 attached
, child_tidptr=0x555555bcb690) = 13755
[pid 13755] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13755] setpgid(0, 0)               = 0
[pid 13755] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13755] write(3, "1000", 4)         = 4
[pid 13755] close(3)                    = 0
[pid 13755] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13755] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13755] pipe2([3, 4], 0)            = 0
[pid 13755] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13755] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13755] sync()                      = 0
[pid 13755] exit_group(0)               = ?
[pid 13755] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13755, si_uid=0, si_status=0, si_utime=1, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13756 attached
, child_tidptr=0x555555bcb690) = 13756
[pid 13756] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13756] setpgid(0, 0)               = 0
[pid 13756] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13756] write(3, "1000", 4)         = 4
[pid 13756] close(3)                    = 0
[pid 13756] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13756] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13756] pipe2([3, 4], 0)            = 0
[pid 13756] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13756] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13756] sync()                      = 0
[pid 13756] exit_group(0)               = ?
[pid 13756] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13756, si_uid=0, si_status=0, si_utime=1, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13757
./strace-static-x86_64: Process 13757 attached
[pid 13757] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13757] setpgid(0, 0)               = 0
[pid 13757] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13757] write(3, "1000", 4)         = 4
[pid 13757] close(3)                    = 0
[pid 13757] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13757] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13757] pipe2([3, 4], 0)            = 0
[pid 13757] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13757] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13757] sync()                      = 0
[pid 13757] exit_group(0)               = ?
[pid 13757] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13757, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13758
./strace-static-x86_64: Process 13758 attached
[pid 13758] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13758] setpgid(0, 0)               = 0
[pid 13758] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13758] write(3, "1000", 4)         = 4
[pid 13758] close(3)                    = 0
[pid 13758] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13758] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13758] pipe2([3, 4], 0)            = 0
[pid 13758] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13758] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13758] sync()                      = 0
[pid 13758] exit_group(0)               = ?
[pid 13758] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13758, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13759
./strace-static-x86_64: Process 13759 attached
[pid 13759] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13759] setpgid(0, 0)               = 0
[pid 13759] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13759] write(3, "1000", 4)         = 4
[pid 13759] close(3)                    = 0
[pid 13759] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13759] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13759] pipe2([3, 4], 0)            = 0
[pid 13759] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13759] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13759] sync()                      = 0
[pid 13759] exit_group(0)               = ?
[pid 13759] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13759, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13760
./strace-static-x86_64: Process 13760 attached
[pid 13760] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13760] setpgid(0, 0)               = 0
[pid 13760] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13760] write(3, "1000", 4)         = 4
[pid 13760] close(3)                    = 0
[pid 13760] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13760] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13760] pipe2([3, 4], 0)            = 0
[pid 13760] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13760] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13760] sync()                      = 0
[pid 13760] exit_group(0)               = ?
[pid 13760] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13760, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13761
./strace-static-x86_64: Process 13761 attached
[pid 13761] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13761] setpgid(0, 0)               = 0
[pid 13761] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13761] write(3, "1000", 4)         = 4
[pid 13761] close(3)                    = 0
[pid 13761] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13761] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13761] pipe2([3, 4], 0)            = 0
[pid 13761] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13761] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13761] sync()                      = 0
[pid 13761] exit_group(0)               = ?
[pid 13761] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13761, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13762
./strace-static-x86_64: Process 13762 attached
[pid 13762] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13762] setpgid(0, 0)               = 0
[pid 13762] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13762] write(3, "1000", 4)         = 4
[pid 13762] close(3)                    = 0
[pid 13762] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13762] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13762] pipe2([3, 4], 0)            = 0
[pid 13762] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13762] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13762] sync()                      = 0
[pid 13762] exit_group(0)               = ?
[pid 13762] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13762, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13763 attached
, child_tidptr=0x555555bcb690) = 13763
[pid 13763] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13763] setpgid(0, 0)               = 0
[pid 13763] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13763] write(3, "1000", 4)         = 4
[pid 13763] close(3)                    = 0
[pid 13763] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13763] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13763] pipe2([3, 4], 0)            = 0
[pid 13763] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13763] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13763] sync()                      = 0
[pid 13763] exit_group(0)               = ?
[pid 13763] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13763, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13764
./strace-static-x86_64: Process 13764 attached
[pid 13764] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13764] setpgid(0, 0)               = 0
[pid 13764] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13764] write(3, "1000", 4)         = 4
[pid 13764] close(3)                    = 0
[pid 13764] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13764] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13764] pipe2([3, 4], 0)            = 0
[pid 13764] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13764] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13764] sync()                      = 0
[pid 13764] exit_group(0)               = ?
[pid 13764] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13764, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13765 attached
, child_tidptr=0x555555bcb690) = 13765
[pid 13765] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13765] setpgid(0, 0)               = 0
[pid 13765] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13765] write(3, "1000", 4)         = 4
[pid 13765] close(3)                    = 0
[pid 13765] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13765] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13765] pipe2([3, 4], 0)            = 0
[pid 13765] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13765] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13765] sync()                      = 0
[pid 13765] exit_group(0)               = ?
[pid 13765] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13765, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13766 attached
, child_tidptr=0x555555bcb690) = 13766
[pid 13766] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13766] setpgid(0, 0)               = 0
[pid 13766] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13766] write(3, "1000", 4)         = 4
[pid 13766] close(3)                    = 0
[pid 13766] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13766] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13766] pipe2([3, 4], 0)            = 0
[pid 13766] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13766] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13766] sync()                      = 0
[pid 13766] exit_group(0)               = ?
[pid 13766] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13766, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13767 attached
, child_tidptr=0x555555bcb690) = 13767
[pid 13767] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13767] setpgid(0, 0)               = 0
[pid 13767] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13767] write(3, "1000", 4)         = 4
[pid 13767] close(3)                    = 0
[pid 13767] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13767] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13767] pipe2([3, 4], 0)            = 0
[pid 13767] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13767] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13767] sync()                      = 0
[pid 13767] exit_group(0)               = ?
[pid 13767] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13767, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13768 attached
, child_tidptr=0x555555bcb690) = 13768
[pid 13768] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13768] setpgid(0, 0)               = 0
[pid 13768] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13768] write(3, "1000", 4)         = 4
[pid 13768] close(3)                    = 0
[pid 13768] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13768] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13768] pipe2([3, 4], 0)            = 0
[pid 13768] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13768] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13768] sync()                      = 0
[pid 13768] exit_group(0)               = ?
[pid 13768] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13768, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13769
./strace-static-x86_64: Process 13769 attached
[pid 13769] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13769] setpgid(0, 0)               = 0
[pid 13769] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13769] write(3, "1000", 4)         = 4
[pid 13769] close(3)                    = 0
[pid 13769] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13769] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13769] pipe2([3, 4], 0)            = 0
[pid 13769] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13769] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13769] sync()                      = 0
[pid 13769] exit_group(0)               = ?
[pid 13769] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13769, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13770 attached
, child_tidptr=0x555555bcb690) = 13770
[pid 13770] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13770] setpgid(0, 0)               = 0
[pid 13770] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13770] write(3, "1000", 4)         = 4
[pid 13770] close(3)                    = 0
[pid 13770] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13770] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13770] pipe2([3, 4], 0)            = 0
[pid 13770] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13770] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13770] sync()                      = 0
[pid 13770] exit_group(0)               = ?
[pid 13770] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13770, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13771 attached
, child_tidptr=0x555555bcb690) = 13771
[pid 13771] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13771] setpgid(0, 0)               = 0
[pid 13771] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13771] write(3, "1000", 4)         = 4
[pid 13771] close(3)                    = 0
[pid 13771] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13771] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13771] pipe2([3, 4], 0)            = 0
[pid 13771] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13771] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13771] sync()                      = 0
[pid 13771] exit_group(0)               = ?
[pid 13771] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13771, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13772 attached
, child_tidptr=0x555555bcb690) = 13772
[pid 13772] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13772] setpgid(0, 0)               = 0
[pid 13772] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13772] write(3, "1000", 4)         = 4
[pid 13772] close(3)                    = 0
[pid 13772] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13772] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13772] pipe2([3, 4], 0)            = 0
[pid 13772] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13772] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13772] sync()                      = 0
[pid 13772] exit_group(0)               = ?
[pid 13772] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13772, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13773 attached
, child_tidptr=0x555555bcb690) = 13773
[pid 13773] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13773] setpgid(0, 0)               = 0
[pid 13773] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13773] write(3, "1000", 4)         = 4
[pid 13773] close(3)                    = 0
[pid 13773] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13773] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13773] pipe2([3, 4], 0)            = 0
[pid 13773] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13773] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13773] sync()                      = 0
[pid 13773] exit_group(0)               = ?
[pid 13773] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13773, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13774
./strace-static-x86_64: Process 13774 attached
[pid 13774] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13774] setpgid(0, 0)               = 0
[pid 13774] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13774] write(3, "1000", 4)         = 4
[pid 13774] close(3)                    = 0
[pid 13774] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13774] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13774] pipe2([3, 4], 0)            = 0
[pid 13774] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13774] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13774] sync()                      = 0
[pid 13774] exit_group(0)               = ?
[pid 13774] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13774, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13775
./strace-static-x86_64: Process 13775 attached
[pid 13775] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13775] setpgid(0, 0)               = 0
[pid 13775] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13775] write(3, "1000", 4)         = 4
[pid 13775] close(3)                    = 0
[pid 13775] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13775] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13775] pipe2([3, 4], 0)            = 0
[pid 13775] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13775] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13775] sync()                      = 0
[pid 13775] exit_group(0)               = ?
[pid 13775] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13775, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13776
./strace-static-x86_64: Process 13776 attached
[pid 13776] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13776] setpgid(0, 0)               = 0
[pid 13776] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13776] write(3, "1000", 4)         = 4
[pid 13776] close(3)                    = 0
[pid 13776] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13776] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13776] pipe2([3, 4], 0)            = 0
[pid 13776] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13776] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13776] sync()                      = 0
[pid 13776] exit_group(0)               = ?
[pid 13776] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13776, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13777
./strace-static-x86_64: Process 13777 attached
[pid 13777] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13777] setpgid(0, 0)               = 0
[pid 13777] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13777] write(3, "1000", 4)         = 4
[pid 13777] close(3)                    = 0
[pid 13777] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13777] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13777] pipe2([3, 4], 0)            = 0
[pid 13777] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13777] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13777] sync()                      = 0
[pid 13777] exit_group(0)               = ?
[pid 13777] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13777, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13778
./strace-static-x86_64: Process 13778 attached
[pid 13778] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13778] setpgid(0, 0)               = 0
[pid 13778] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13778] write(3, "1000", 4)         = 4
[pid 13778] close(3)                    = 0
[pid 13778] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13778] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13778] pipe2([3, 4], 0)            = 0
[pid 13778] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13778] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13778] sync()                      = 0
[pid 13778] exit_group(0)               = ?
[pid 13778] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13778, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13779
./strace-static-x86_64: Process 13779 attached
[pid 13779] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13779] setpgid(0, 0)               = 0
[pid 13779] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13779] write(3, "1000", 4)         = 4
[pid 13779] close(3)                    = 0
[pid 13779] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13779] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13779] pipe2([3, 4], 0)            = 0
[pid 13779] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13779] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13779] sync()                      = 0
[pid 13779] exit_group(0)               = ?
[pid 13779] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13779, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13780
./strace-static-x86_64: Process 13780 attached
[pid 13780] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13780] setpgid(0, 0)               = 0
[pid 13780] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13780] write(3, "1000", 4)         = 4
[pid 13780] close(3)                    = 0
[pid 13780] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13780] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13780] pipe2([3, 4], 0)            = 0
[pid 13780] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13780] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13780] sync()                      = 0
[pid 13780] exit_group(0)               = ?
[pid 13780] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13780, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13781
./strace-static-x86_64: Process 13781 attached
[pid 13781] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13781] setpgid(0, 0)               = 0
[pid 13781] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13781] write(3, "1000", 4)         = 4
[pid 13781] close(3)                    = 0
[pid 13781] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13781] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13781] pipe2([3, 4], 0)            = 0
[pid 13781] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13781] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13781] sync()                      = 0
[pid 13781] exit_group(0)               = ?
[pid 13781] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13781, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13782
./strace-static-x86_64: Process 13782 attached
[pid 13782] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13782] setpgid(0, 0)               = 0
[pid 13782] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13782] write(3, "1000", 4)         = 4
[pid 13782] close(3)                    = 0
[pid 13782] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13782] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13782] pipe2([3, 4], 0)            = 0
[pid 13782] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13782] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13782] sync()                      = 0
[pid 13782] exit_group(0)               = ?
[pid 13782] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13782, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13783
./strace-static-x86_64: Process 13783 attached
[pid 13783] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13783] setpgid(0, 0)               = 0
[pid 13783] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13783] write(3, "1000", 4)         = 4
[pid 13783] close(3)                    = 0
[pid 13783] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13783] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13783] pipe2([3, 4], 0)            = 0
[pid 13783] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13783] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13783] sync()                      = 0
[pid 13783] exit_group(0)               = ?
[pid 13783] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13783, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13784 attached
, child_tidptr=0x555555bcb690) = 13784
[pid 13784] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13784] setpgid(0, 0)               = 0
[pid 13784] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13784] write(3, "1000", 4)         = 4
[pid 13784] close(3)                    = 0
[pid 13784] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13784] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13784] pipe2([3, 4], 0)            = 0
[pid 13784] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13784] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13784] sync()                      = 0
[pid 13784] exit_group(0)               = ?
[pid 13784] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13784, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13785 attached
, child_tidptr=0x555555bcb690) = 13785
[pid 13785] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13785] setpgid(0, 0)               = 0
[pid 13785] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13785] write(3, "1000", 4)         = 4
[pid 13785] close(3)                    = 0
[pid 13785] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13785] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13785] pipe2([3, 4], 0)            = 0
[pid 13785] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13785] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13785] sync()                      = 0
[pid 13785] exit_group(0)               = ?
[pid 13785] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13785, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13786
./strace-static-x86_64: Process 13786 attached
[pid 13786] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13786] setpgid(0, 0)               = 0
[pid 13786] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13786] write(3, "1000", 4)         = 4
[pid 13786] close(3)                    = 0
[pid 13786] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13786] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13786] pipe2([3, 4], 0)            = 0
[pid 13786] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13786] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13786] sync()                      = 0
[pid 13786] exit_group(0)               = ?
[pid 13786] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13786, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13787
./strace-static-x86_64: Process 13787 attached
[pid 13787] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13787] setpgid(0, 0)               = 0
[pid 13787] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13787] write(3, "1000", 4)         = 4
[pid 13787] close(3)                    = 0
[pid 13787] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13787] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13787] pipe2([3, 4], 0)            = 0
[pid 13787] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13787] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13787] sync()                      = 0
[pid 13787] exit_group(0)               = ?
[pid 13787] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13787, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13788 attached
, child_tidptr=0x555555bcb690) = 13788
[pid 13788] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13788] setpgid(0, 0)               = 0
[pid 13788] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13788] write(3, "1000", 4)         = 4
[pid 13788] close(3)                    = 0
[pid 13788] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13788] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13788] pipe2([3, 4], 0)            = 0
[pid 13788] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13788] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13788] sync()                      = 0
[pid 13788] exit_group(0)               = ?
[pid 13788] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13788, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13789 attached
 <unfinished ...>
[pid 13789] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13789] setpgid(0, 0)               = 0
[pid 13789] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13789] write(3, "1000", 4)         = 4
[pid 13789] close(3)                    = 0
[pid 13789] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13789] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13789] pipe2([3, 4], 0)            = 0
[pid 13789] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13789] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," <unfinished ...>
[pid  3603] <... clone resumed>, child_tidptr=0x555555bcb690) = 13789
[pid 13789] <... mount resumed>)        = -1 EINVAL (Invalid argument)
[pid 13789] sync()                      = 0
[pid 13789] exit_group(0)               = ?
[pid 13789] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13789, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13790 attached
, child_tidptr=0x555555bcb690) = 13790
[pid 13790] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13790] setpgid(0, 0)               = 0
[pid 13790] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13790] write(3, "1000", 4)         = 4
[pid 13790] close(3)                    = 0
[pid 13790] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13790] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13790] pipe2([3, 4], 0)            = 0
[pid 13790] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13790] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13790] sync()                      = 0
[pid 13790] exit_group(0)               = ?
[pid 13790] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13790, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13791 attached
, child_tidptr=0x555555bcb690) = 13791
[pid 13791] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13791] setpgid(0, 0)               = 0
[pid 13791] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13791] write(3, "1000", 4)         = 4
[pid 13791] close(3)                    = 0
[pid 13791] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13791] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13791] pipe2([3, 4], 0)            = 0
[pid 13791] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13791] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13791] sync()                      = 0
[pid 13791] exit_group(0)               = ?
[pid 13791] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13791, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13792 attached
, child_tidptr=0x555555bcb690) = 13792
[pid 13792] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13792] setpgid(0, 0)               = 0
[pid 13792] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13792] write(3, "1000", 4)         = 4
[pid 13792] close(3)                    = 0
[pid 13792] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13792] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13792] pipe2([3, 4], 0)            = 0
[pid 13792] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13792] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13792] sync()                      = 0
[pid 13792] exit_group(0)               = ?
[pid 13792] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13792, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13793 attached
, child_tidptr=0x555555bcb690) = 13793
[pid 13793] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13793] setpgid(0, 0)               = 0
[pid 13793] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13793] write(3, "1000", 4)         = 4
[pid 13793] close(3)                    = 0
[pid 13793] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13793] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13793] pipe2([3, 4], 0)            = 0
[pid 13793] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13793] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13793] sync()                      = 0
[pid 13793] exit_group(0)               = ?
[pid 13793] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13793, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13794 attached
, child_tidptr=0x555555bcb690) = 13794
[pid 13794] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13794] setpgid(0, 0)               = 0
[pid 13794] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13794] write(3, "1000", 4)         = 4
[pid 13794] close(3)                    = 0
[pid 13794] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13794] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13794] pipe2([3, 4], 0)            = 0
[pid 13794] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13794] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13794] sync()                      = 0
[pid 13794] exit_group(0)               = ?
[pid 13794] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13794, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13795
./strace-static-x86_64: Process 13795 attached
[pid 13795] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13795] setpgid(0, 0)               = 0
[pid 13795] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13795] write(3, "1000", 4)         = 4
[pid 13795] close(3)                    = 0
[pid 13795] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13795] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13795] pipe2([3, 4], 0)            = 0
[pid 13795] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13795] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13795] sync()                      = 0
[pid 13795] exit_group(0)               = ?
[pid 13795] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13795, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13796
./strace-static-x86_64: Process 13796 attached
[pid 13796] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13796] setpgid(0, 0)               = 0
[pid 13796] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13796] write(3, "1000", 4)         = 4
[pid 13796] close(3)                    = 0
[pid 13796] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13796] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13796] pipe2([3, 4], 0)            = 0
[pid 13796] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13796] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13796] sync()                      = 0
[pid 13796] exit_group(0)               = ?
[pid 13796] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13796, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13797
./strace-static-x86_64: Process 13797 attached
[pid 13797] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13797] setpgid(0, 0)               = 0
[pid 13797] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13797] write(3, "1000", 4)         = 4
[pid 13797] close(3)                    = 0
[pid 13797] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13797] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13797] pipe2([3, 4], 0)            = 0
[pid 13797] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13797] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13797] sync()                      = 0
[pid 13797] exit_group(0)               = ?
[pid 13797] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13797, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13798 attached
, child_tidptr=0x555555bcb690) = 13798
[pid 13798] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13798] setpgid(0, 0)               = 0
[pid 13798] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13798] write(3, "1000", 4)         = 4
[pid 13798] close(3)                    = 0
[pid 13798] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13798] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13798] pipe2([3, 4], 0)            = 0
[pid 13798] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13798] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13798] sync()                      = 0
[pid 13798] exit_group(0)               = ?
[pid 13798] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13798, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13799
./strace-static-x86_64: Process 13799 attached
[pid 13799] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13799] setpgid(0, 0)               = 0
[pid 13799] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13799] write(3, "1000", 4)         = 4
[pid 13799] close(3)                    = 0
[pid 13799] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13799] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13799] pipe2([3, 4], 0)            = 0
[pid 13799] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13799] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13799] sync()                      = 0
[pid 13799] exit_group(0)               = ?
[pid 13799] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13799, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13800 attached
, child_tidptr=0x555555bcb690) = 13800
[pid 13800] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13800] setpgid(0, 0)               = 0
[pid 13800] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13800] write(3, "1000", 4)         = 4
[pid 13800] close(3)                    = 0
[pid 13800] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13800] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13800] pipe2([3, 4], 0)            = 0
[pid 13800] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13800] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13800] sync()                      = 0
[pid 13800] exit_group(0)               = ?
[pid 13800] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13800, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13801 attached
, child_tidptr=0x555555bcb690) = 13801
[pid 13801] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13801] setpgid(0, 0)               = 0
[pid 13801] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13801] write(3, "1000", 4)         = 4
[pid 13801] close(3)                    = 0
[pid 13801] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13801] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13801] pipe2([3, 4], 0)            = 0
[pid 13801] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13801] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13801] sync()                      = 0
[pid 13801] exit_group(0)               = ?
[pid 13801] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13801, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13802
./strace-static-x86_64: Process 13802 attached
[pid 13802] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13802] setpgid(0, 0)               = 0
[pid 13802] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13802] write(3, "1000", 4)         = 4
[pid 13802] close(3)                    = 0
[pid 13802] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13802] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13802] pipe2([3, 4], 0)            = 0
[pid 13802] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13802] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13802] sync()                      = 0
[pid 13802] exit_group(0)               = ?
[pid 13802] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13802, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13803 attached
, child_tidptr=0x555555bcb690) = 13803
[pid 13803] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13803] setpgid(0, 0)               = 0
[pid 13803] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13803] write(3, "1000", 4)         = 4
[pid 13803] close(3)                    = 0
[pid 13803] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13803] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13803] pipe2([3, 4], 0)            = 0
[pid 13803] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13803] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13803] sync()                      = 0
[pid 13803] exit_group(0)               = ?
[pid 13803] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13803, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13804
./strace-static-x86_64: Process 13804 attached
[pid 13804] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13804] setpgid(0, 0)               = 0
[pid 13804] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13804] write(3, "1000", 4)         = 4
[pid 13804] close(3)                    = 0
[pid 13804] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13804] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13804] pipe2([3, 4], 0)            = 0
[pid 13804] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13804] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13804] sync()                      = 0
[pid 13804] exit_group(0)               = ?
[pid 13804] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13804, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13805
./strace-static-x86_64: Process 13805 attached
[pid 13805] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13805] setpgid(0, 0)               = 0
[pid 13805] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13805] write(3, "1000", 4)         = 4
[pid 13805] close(3)                    = 0
[pid 13805] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13805] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13805] pipe2([3, 4], 0)            = 0
[pid 13805] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13805] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13805] sync()                      = 0
[pid 13805] exit_group(0)               = ?
[pid 13805] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13805, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13806
./strace-static-x86_64: Process 13806 attached
[pid 13806] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13806] setpgid(0, 0)               = 0
[pid 13806] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13806] write(3, "1000", 4)         = 4
[pid 13806] close(3)                    = 0
[pid 13806] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13806] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13806] pipe2([3, 4], 0)            = 0
[pid 13806] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13806] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13806] sync()                      = 0
[pid 13806] exit_group(0)               = ?
[pid 13806] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13806, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13807
./strace-static-x86_64: Process 13807 attached
[pid 13807] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13807] setpgid(0, 0)               = 0
[pid 13807] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13807] write(3, "1000", 4)         = 4
[pid 13807] close(3)                    = 0
[pid 13807] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13807] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13807] pipe2([3, 4], 0)            = 0
[pid 13807] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13807] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13807] sync()                      = 0
[pid 13807] exit_group(0)               = ?
[pid 13807] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13807, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13808
./strace-static-x86_64: Process 13808 attached
[pid 13808] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13808] setpgid(0, 0)               = 0
[pid 13808] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13808] write(3, "1000", 4)         = 4
[pid 13808] close(3)                    = 0
[pid 13808] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13808] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13808] pipe2([3, 4], 0)            = 0
[pid 13808] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13808] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13808] sync()                      = 0
[pid 13808] exit_group(0)               = ?
[pid 13808] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13808, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13809 attached
, child_tidptr=0x555555bcb690) = 13809
[pid 13809] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13809] setpgid(0, 0)               = 0
[pid 13809] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13809] write(3, "1000", 4)         = 4
[pid 13809] close(3)                    = 0
[pid 13809] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13809] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13809] pipe2([3, 4], 0)            = 0
[pid 13809] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13809] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13809] sync()                      = 0
[pid 13809] exit_group(0)               = ?
[pid 13809] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13809, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13810 attached
, child_tidptr=0x555555bcb690) = 13810
[pid 13810] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13810] setpgid(0, 0)               = 0
[pid 13810] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13810] write(3, "1000", 4)         = 4
[pid 13810] close(3)                    = 0
[pid 13810] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13810] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13810] pipe2([3, 4], 0)            = 0
[pid 13810] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13810] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13810] sync()                      = 0
[pid 13810] exit_group(0)               = ?
[pid 13810] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13810, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13811 attached
, child_tidptr=0x555555bcb690) = 13811
[pid 13811] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13811] setpgid(0, 0)               = 0
[pid 13811] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13811] write(3, "1000", 4)         = 4
[pid 13811] close(3)                    = 0
[pid 13811] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13811] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13811] pipe2([3, 4], 0)            = 0
[pid 13811] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13811] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13811] sync()                      = 0
[pid 13811] exit_group(0)               = ?
[pid 13811] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13811, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13812 attached
, child_tidptr=0x555555bcb690) = 13812
[pid 13812] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13812] setpgid(0, 0)               = 0
[pid 13812] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13812] write(3, "1000", 4)         = 4
[pid 13812] close(3)                    = 0
[pid 13812] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13812] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13812] pipe2([3, 4], 0)            = 0
[pid 13812] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13812] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13812] sync()                      = 0
[pid 13812] exit_group(0)               = ?
[pid 13812] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13812, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13813
./strace-static-x86_64: Process 13813 attached
[pid 13813] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13813] setpgid(0, 0)               = 0
[pid 13813] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13813] write(3, "1000", 4)         = 4
[pid 13813] close(3)                    = 0
[pid 13813] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13813] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13813] pipe2([3, 4], 0)            = 0
[pid 13813] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13813] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13813] sync()                      = 0
[pid 13813] exit_group(0)               = ?
[pid 13813] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13813, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13814
./strace-static-x86_64: Process 13814 attached
[pid 13814] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13814] setpgid(0, 0)               = 0
[pid 13814] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13814] write(3, "1000", 4)         = 4
[pid 13814] close(3)                    = 0
[pid 13814] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13814] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13814] pipe2([3, 4], 0)            = 0
[pid 13814] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13814] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13814] sync()                      = 0
[pid 13814] exit_group(0)               = ?
[pid 13814] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13814, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13815
./strace-static-x86_64: Process 13815 attached
[pid 13815] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13815] setpgid(0, 0)               = 0
[pid 13815] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13815] write(3, "1000", 4)         = 4
[pid 13815] close(3)                    = 0
[pid 13815] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13815] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13815] pipe2([3, 4], 0)            = 0
[pid 13815] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13815] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13815] sync()                      = 0
[pid 13815] exit_group(0)               = ?
[pid 13815] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13815, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13816 attached
, child_tidptr=0x555555bcb690) = 13816
[pid 13816] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13816] setpgid(0, 0)               = 0
[pid 13816] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13816] write(3, "1000", 4)         = 4
[pid 13816] close(3)                    = 0
[pid 13816] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13816] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13816] pipe2([3, 4], 0)            = 0
[pid 13816] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13816] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13816] sync()                      = 0
[pid 13816] exit_group(0)               = ?
[pid 13816] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13816, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13817 attached
, child_tidptr=0x555555bcb690) = 13817
[pid 13817] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13817] setpgid(0, 0)               = 0
[pid 13817] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13817] write(3, "1000", 4)         = 4
[pid 13817] close(3)                    = 0
[pid 13817] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13817] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13817] pipe2([3, 4], 0)            = 0
[pid 13817] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13817] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13817] sync()                      = 0
[pid 13817] exit_group(0)               = ?
[pid 13817] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13817, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13818 attached
, child_tidptr=0x555555bcb690) = 13818
[pid 13818] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13818] setpgid(0, 0)               = 0
[pid 13818] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13818] write(3, "1000", 4)         = 4
[pid 13818] close(3)                    = 0
[pid 13818] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13818] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13818] pipe2([3, 4], 0)            = 0
[pid 13818] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13818] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13818] sync()                      = 0
[pid 13818] exit_group(0)               = ?
[pid 13818] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13818, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13819
./strace-static-x86_64: Process 13819 attached
[pid 13819] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13819] setpgid(0, 0)               = 0
[pid 13819] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13819] write(3, "1000", 4)         = 4
[pid 13819] close(3)                    = 0
[pid 13819] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13819] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13819] pipe2([3, 4], 0)            = 0
[pid 13819] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13819] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13819] sync()                      = 0
[pid 13819] exit_group(0)               = ?
[pid 13819] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13819, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13820
./strace-static-x86_64: Process 13820 attached
[pid 13820] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13820] setpgid(0, 0)               = 0
[pid 13820] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13820] write(3, "1000", 4)         = 4
[pid 13820] close(3)                    = 0
[pid 13820] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13820] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13820] pipe2([3, 4], 0)            = 0
[pid 13820] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13820] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13820] sync()                      = 0
[pid 13820] exit_group(0)               = ?
[pid 13820] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13820, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13821
./strace-static-x86_64: Process 13821 attached
[pid 13821] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13821] setpgid(0, 0)               = 0
[pid 13821] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13821] write(3, "1000", 4)         = 4
[pid 13821] close(3)                    = 0
[pid 13821] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13821] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13821] pipe2([3, 4], 0)            = 0
[pid 13821] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13821] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13821] sync()                      = 0
[pid 13821] exit_group(0)               = ?
[pid 13821] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13821, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13822 attached
, child_tidptr=0x555555bcb690) = 13822
[pid 13822] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13822] setpgid(0, 0)               = 0
[pid 13822] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13822] write(3, "1000", 4)         = 4
[pid 13822] close(3)                    = 0
[pid 13822] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13822] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13822] pipe2([3, 4], 0)            = 0
[pid 13822] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13822] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13822] sync()                      = 0
[pid 13822] exit_group(0)               = ?
[pid 13822] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13822, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13823 attached
, child_tidptr=0x555555bcb690) = 13823
[pid 13823] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13823] setpgid(0, 0)               = 0
[pid 13823] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13823] write(3, "1000", 4)         = 4
[pid 13823] close(3)                    = 0
[pid 13823] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13823] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13823] pipe2([3, 4], 0)            = 0
[pid 13823] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13823] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13823] sync()                      = 0
[pid 13823] exit_group(0)               = ?
[pid 13823] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13823, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13824
./strace-static-x86_64: Process 13824 attached
[pid 13824] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13824] setpgid(0, 0)               = 0
[pid 13824] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13824] write(3, "1000", 4)         = 4
[pid 13824] close(3)                    = 0
[pid 13824] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13824] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13824] pipe2([3, 4], 0)            = 0
[pid 13824] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13824] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13824] sync()                      = 0
[pid 13824] exit_group(0)               = ?
[pid 13824] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13824, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13825 attached
, child_tidptr=0x555555bcb690) = 13825
[pid 13825] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13825] setpgid(0, 0)               = 0
[pid 13825] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13825] write(3, "1000", 4)         = 4
[pid 13825] close(3)                    = 0
[pid 13825] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13825] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13825] pipe2([3, 4], 0)            = 0
[pid 13825] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13825] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13825] sync()                      = 0
[pid 13825] exit_group(0)               = ?
[pid 13825] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13825, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13826
./strace-static-x86_64: Process 13826 attached
[pid 13826] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13826] setpgid(0, 0)               = 0
[pid 13826] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13826] write(3, "1000", 4)         = 4
[pid 13826] close(3)                    = 0
[pid 13826] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13826] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13826] pipe2([3, 4], 0)            = 0
[pid 13826] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13826] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13826] sync()                      = 0
[pid 13826] exit_group(0)               = ?
[pid 13826] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13826, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13827 attached
, child_tidptr=0x555555bcb690) = 13827
[pid 13827] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13827] setpgid(0, 0)               = 0
[pid 13827] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13827] write(3, "1000", 4)         = 4
[pid 13827] close(3)                    = 0
[pid 13827] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13827] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13827] pipe2([3, 4], 0)            = 0
[pid 13827] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13827] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13827] sync()                      = 0
[pid 13827] exit_group(0)               = ?
[pid 13827] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13827, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13828 attached
, child_tidptr=0x555555bcb690) = 13828
[pid 13828] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13828] setpgid(0, 0)               = 0
[pid 13828] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13828] write(3, "1000", 4)         = 4
[pid 13828] close(3)                    = 0
[pid 13828] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13828] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13828] pipe2([3, 4], 0)            = 0
[pid 13828] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13828] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13828] sync()                      = 0
[pid 13828] exit_group(0)               = ?
[pid 13828] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13828, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13829 attached
, child_tidptr=0x555555bcb690) = 13829
[pid 13829] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13829] setpgid(0, 0)               = 0
[pid 13829] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13829] write(3, "1000", 4)         = 4
[pid 13829] close(3)                    = 0
[pid 13829] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13829] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13829] pipe2([3, 4], 0)            = 0
[pid 13829] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13829] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13829] sync()                      = 0
[pid 13829] exit_group(0)               = ?
[pid 13829] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13829, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13830
./strace-static-x86_64: Process 13830 attached
[pid 13830] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13830] setpgid(0, 0)               = 0
[pid 13830] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13830] write(3, "1000", 4)         = 4
[pid 13830] close(3)                    = 0
[pid 13830] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13830] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13830] pipe2([3, 4], 0)            = 0
[pid 13830] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13830] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13830] sync()                      = 0
[pid 13830] exit_group(0)               = ?
[pid 13830] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13830, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13831
./strace-static-x86_64: Process 13831 attached
[pid 13831] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13831] setpgid(0, 0)               = 0
[pid 13831] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13831] write(3, "1000", 4)         = 4
[pid 13831] close(3)                    = 0
[pid 13831] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13831] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13831] pipe2([3, 4], 0)            = 0
[pid 13831] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13831] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13831] sync()                      = 0
[pid 13831] exit_group(0)               = ?
[pid 13831] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13831, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13832
./strace-static-x86_64: Process 13832 attached
[pid 13832] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13832] setpgid(0, 0)               = 0
[pid 13832] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13832] write(3, "1000", 4)         = 4
[pid 13832] close(3)                    = 0
[pid 13832] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13832] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13832] pipe2([3, 4], 0)            = 0
[pid 13832] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13832] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13832] sync()                      = 0
[pid 13832] exit_group(0)               = ?
[pid 13832] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13832, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13833 attached
, child_tidptr=0x555555bcb690) = 13833
[pid 13833] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13833] setpgid(0, 0)               = 0
[pid 13833] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13833] write(3, "1000", 4)         = 4
[pid 13833] close(3)                    = 0
[pid 13833] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13833] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13833] pipe2([3, 4], 0)            = 0
[pid 13833] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13833] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13833] sync()                      = 0
[pid 13833] exit_group(0)               = ?
[pid 13833] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13833, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13834 attached
, child_tidptr=0x555555bcb690) = 13834
[pid 13834] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13834] setpgid(0, 0)               = 0
[pid 13834] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13834] write(3, "1000", 4)         = 4
[pid 13834] close(3)                    = 0
[pid 13834] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13834] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13834] pipe2([3, 4], 0)            = 0
[pid 13834] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13834] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13834] sync()                      = 0
[pid 13834] exit_group(0)               = ?
[pid 13834] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13834, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13835 attached
, child_tidptr=0x555555bcb690) = 13835
[pid 13835] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13835] setpgid(0, 0)               = 0
[pid 13835] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13835] write(3, "1000", 4)         = 4
[pid 13835] close(3)                    = 0
[pid 13835] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13835] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13835] pipe2([3, 4], 0)            = 0
[pid 13835] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13835] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13835] sync()                      = 0
[pid 13835] exit_group(0)               = ?
[pid 13835] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13835, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13836 attached
, child_tidptr=0x555555bcb690) = 13836
[pid 13836] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13836] setpgid(0, 0)               = 0
[pid 13836] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13836] write(3, "1000", 4)         = 4
[pid 13836] close(3)                    = 0
[pid 13836] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13836] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13836] pipe2([3, 4], 0)            = 0
[pid 13836] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13836] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13836] sync()                      = 0
[pid 13836] exit_group(0)               = ?
[pid 13836] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13836, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13837 attached
, child_tidptr=0x555555bcb690) = 13837
[pid 13837] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13837] setpgid(0, 0)               = 0
[pid 13837] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13837] write(3, "1000", 4)         = 4
[pid 13837] close(3)                    = 0
[pid 13837] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13837] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13837] pipe2([3, 4], 0)            = 0
[pid 13837] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13837] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13837] sync()                      = 0
[pid 13837] exit_group(0)               = ?
[pid 13837] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13837, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13838
./strace-static-x86_64: Process 13838 attached
[pid 13838] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13838] setpgid(0, 0)               = 0
[pid 13838] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13838] write(3, "1000", 4)         = 4
[pid 13838] close(3)                    = 0
[pid 13838] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13838] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13838] pipe2([3, 4], 0)            = 0
[pid 13838] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13838] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13838] sync()                      = 0
[pid 13838] exit_group(0)               = ?
[pid 13838] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13838, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13839
./strace-static-x86_64: Process 13839 attached
[pid 13839] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13839] setpgid(0, 0)               = 0
[pid 13839] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13839] write(3, "1000", 4)         = 4
[pid 13839] close(3)                    = 0
[pid 13839] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13839] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13839] pipe2([3, 4], 0)            = 0
[pid 13839] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13839] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13839] sync()                      = 0
[pid 13839] exit_group(0)               = ?
[pid 13839] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13839, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13840 attached
, child_tidptr=0x555555bcb690) = 13840
[pid 13840] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13840] setpgid(0, 0)               = 0
[pid 13840] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13840] write(3, "1000", 4)         = 4
[pid 13840] close(3)                    = 0
[pid 13840] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13840] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13840] pipe2([3, 4], 0)            = 0
[pid 13840] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13840] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13840] sync()                      = 0
[pid 13840] exit_group(0)               = ?
[pid 13840] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13840, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13841 attached
, child_tidptr=0x555555bcb690) = 13841
[pid 13841] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13841] setpgid(0, 0)               = 0
[pid 13841] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13841] write(3, "1000", 4)         = 4
[pid 13841] close(3)                    = 0
[pid 13841] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13841] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13841] pipe2([3, 4], 0)            = 0
[pid 13841] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13841] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13841] sync()                      = 0
[pid 13841] exit_group(0)               = ?
[pid 13841] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13841, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13842 attached
, child_tidptr=0x555555bcb690) = 13842
[pid 13842] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13842] setpgid(0, 0)               = 0
[pid 13842] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13842] write(3, "1000", 4)         = 4
[pid 13842] close(3)                    = 0
[pid 13842] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13842] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13842] pipe2([3, 4], 0)            = 0
[pid 13842] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13842] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13842] sync()                      = 0
[pid 13842] exit_group(0)               = ?
[pid 13842] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13842, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13843 attached
, child_tidptr=0x555555bcb690) = 13843
[pid 13843] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13843] setpgid(0, 0)               = 0
[pid 13843] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13843] write(3, "1000", 4)         = 4
[pid 13843] close(3)                    = 0
[pid 13843] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13843] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13843] pipe2([3, 4], 0)            = 0
[pid 13843] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13843] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13843] sync()                      = 0
[pid 13843] exit_group(0)               = ?
[pid 13843] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13843, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13844
./strace-static-x86_64: Process 13844 attached
[pid 13844] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13844] setpgid(0, 0)               = 0
[pid 13844] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13844] write(3, "1000", 4)         = 4
[pid 13844] close(3)                    = 0
[pid 13844] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13844] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13844] pipe2([3, 4], 0)            = 0
[pid 13844] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13844] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13844] sync()                      = 0
[pid 13844] exit_group(0)               = ?
[pid 13844] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13844, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13845
./strace-static-x86_64: Process 13845 attached
[pid 13845] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13845] setpgid(0, 0)               = 0
[pid 13845] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13845] write(3, "1000", 4)         = 4
[pid 13845] close(3)                    = 0
[pid 13845] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13845] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13845] pipe2([3, 4], 0)            = 0
[pid 13845] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13845] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13845] sync()                      = 0
[pid 13845] exit_group(0)               = ?
[pid 13845] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13845, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13846 attached
, child_tidptr=0x555555bcb690) = 13846
[pid 13846] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13846] setpgid(0, 0)               = 0
[pid 13846] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13846] write(3, "1000", 4)         = 4
[pid 13846] close(3)                    = 0
[pid 13846] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13846] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13846] pipe2([3, 4], 0)            = 0
[pid 13846] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13846] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13846] sync()                      = 0
[pid 13846] exit_group(0)               = ?
[pid 13846] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13846, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13847 attached
, child_tidptr=0x555555bcb690) = 13847
[pid 13847] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13847] setpgid(0, 0)               = 0
[pid 13847] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13847] write(3, "1000", 4)         = 4
[pid 13847] close(3)                    = 0
[pid 13847] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13847] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13847] pipe2([3, 4], 0)            = 0
[pid 13847] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13847] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13847] sync()                      = 0
[pid 13847] exit_group(0)               = ?
[pid 13847] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13847, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13848
./strace-static-x86_64: Process 13848 attached
[pid 13848] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13848] setpgid(0, 0)               = 0
[pid 13848] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13848] write(3, "1000", 4)         = 4
[pid 13848] close(3)                    = 0
[pid 13848] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13848] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13848] pipe2([3, 4], 0)            = 0
[pid 13848] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13848] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13848] sync()                      = 0
[pid 13848] exit_group(0)               = ?
[pid 13848] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13848, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13849
./strace-static-x86_64: Process 13849 attached
[pid 13849] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13849] setpgid(0, 0)               = 0
[pid 13849] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13849] write(3, "1000", 4)         = 4
[pid 13849] close(3)                    = 0
[pid 13849] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13849] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13849] pipe2([3, 4], 0)            = 0
[pid 13849] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13849] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13849] sync()                      = 0
[pid 13849] exit_group(0)               = ?
[pid 13849] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13849, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13850
./strace-static-x86_64: Process 13850 attached
[pid 13850] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13850] setpgid(0, 0)               = 0
[pid 13850] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13850] write(3, "1000", 4)         = 4
[pid 13850] close(3)                    = 0
[pid 13850] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13850] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13850] pipe2([3, 4], 0)            = 0
[pid 13850] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13850] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13850] sync()                      = 0
[pid 13850] exit_group(0)               = ?
[pid 13850] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13850, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13851
./strace-static-x86_64: Process 13851 attached
[pid 13851] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13851] setpgid(0, 0)               = 0
[pid 13851] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13851] write(3, "1000", 4)         = 4
[pid 13851] close(3)                    = 0
[pid 13851] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13851] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13851] pipe2([3, 4], 0)            = 0
[pid 13851] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13851] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13851] sync()                      = 0
[pid 13851] exit_group(0)               = ?
[pid 13851] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13851, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13852
./strace-static-x86_64: Process 13852 attached
[pid 13852] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13852] setpgid(0, 0)               = 0
[pid 13852] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13852] write(3, "1000", 4)         = 4
[pid 13852] close(3)                    = 0
[pid 13852] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13852] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13852] pipe2([3, 4], 0)            = 0
[pid 13852] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13852] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13852] sync()                      = 0
[pid 13852] exit_group(0)               = ?
[pid 13852] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13852, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13853
./strace-static-x86_64: Process 13853 attached
[pid 13853] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13853] setpgid(0, 0)               = 0
[pid 13853] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13853] write(3, "1000", 4)         = 4
[pid 13853] close(3)                    = 0
[pid 13853] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13853] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13853] pipe2([3, 4], 0)            = 0
[pid 13853] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13853] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13853] sync()                      = 0
[pid 13853] exit_group(0)               = ?
[pid 13853] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13853, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13854
./strace-static-x86_64: Process 13854 attached
[pid 13854] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13854] setpgid(0, 0)               = 0
[pid 13854] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13854] write(3, "1000", 4)         = 4
[pid 13854] close(3)                    = 0
[pid 13854] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13854] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13854] pipe2([3, 4], 0)            = 0
[pid 13854] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13854] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13854] sync()                      = 0
[pid 13854] exit_group(0)               = ?
[pid 13854] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13854, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13855
./strace-static-x86_64: Process 13855 attached
[pid 13855] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13855] setpgid(0, 0)               = 0
[pid 13855] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13855] write(3, "1000", 4)         = 4
[pid 13855] close(3)                    = 0
[pid 13855] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13855] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13855] pipe2([3, 4], 0)            = 0
[pid 13855] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13855] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13855] sync()                      = 0
[pid 13855] exit_group(0)               = ?
[pid 13855] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13855, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13856 attached
, child_tidptr=0x555555bcb690) = 13856
[pid 13856] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13856] setpgid(0, 0)               = 0
[pid 13856] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13856] write(3, "1000", 4)         = 4
[pid 13856] close(3)                    = 0
[pid 13856] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13856] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13856] pipe2([3, 4], 0)            = 0
[pid 13856] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13856] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13856] sync()                      = 0
[pid 13856] exit_group(0)               = ?
[pid 13856] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13856, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13857 attached
, child_tidptr=0x555555bcb690) = 13857
[pid 13857] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13857] setpgid(0, 0)               = 0
[pid 13857] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13857] write(3, "1000", 4)         = 4
[pid 13857] close(3)                    = 0
[pid 13857] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13857] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13857] pipe2([3, 4], 0)            = 0
[pid 13857] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13857] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13857] sync()                      = 0
[pid 13857] exit_group(0)               = ?
[pid 13857] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13857, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13858 attached
, child_tidptr=0x555555bcb690) = 13858
[pid 13858] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13858] setpgid(0, 0)               = 0
[pid 13858] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13858] write(3, "1000", 4)         = 4
[pid 13858] close(3)                    = 0
[pid 13858] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13858] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13858] pipe2([3, 4], 0)            = 0
[pid 13858] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13858] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13858] sync()                      = 0
[pid 13858] exit_group(0)               = ?
[pid 13858] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13858, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13859 attached
, child_tidptr=0x555555bcb690) = 13859
[pid 13859] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13859] setpgid(0, 0)               = 0
[pid 13859] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13859] write(3, "1000", 4)         = 4
[pid 13859] close(3)                    = 0
[pid 13859] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13859] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13859] pipe2([3, 4], 0)            = 0
[pid 13859] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13859] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13859] sync()                      = 0
[pid 13859] exit_group(0)               = ?
[pid 13859] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13859, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13860
./strace-static-x86_64: Process 13860 attached
[pid 13860] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13860] setpgid(0, 0)               = 0
[pid 13860] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13860] write(3, "1000", 4)         = 4
[pid 13860] close(3)                    = 0
[pid 13860] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13860] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13860] pipe2([3, 4], 0)            = 0
[pid 13860] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13860] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13860] sync()                      = 0
[pid 13860] exit_group(0)               = ?
[pid 13860] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13860, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13861 attached
 <unfinished ...>
[pid 13861] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3603] <... clone resumed>, child_tidptr=0x555555bcb690) = 13861
[pid 13861] <... prctl resumed>)        = 0
[pid 13861] setpgid(0, 0)               = 0
[pid 13861] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13861] write(3, "1000", 4)         = 4
[pid 13861] close(3)                    = 0
[pid 13861] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13861] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13861] pipe2([3, 4], 0)            = 0
[pid 13861] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13861] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13861] sync()                      = 0
[pid 13861] exit_group(0)               = ?
[pid 13861] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13861, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13862 attached
, child_tidptr=0x555555bcb690) = 13862
[pid 13862] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13862] setpgid(0, 0)               = 0
[pid 13862] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13862] write(3, "1000", 4)         = 4
[pid 13862] close(3)                    = 0
[pid 13862] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13862] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13862] pipe2([3, 4], 0)            = 0
[pid 13862] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13862] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13862] sync()                      = 0
[pid 13862] exit_group(0)               = ?
[pid 13862] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13862, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13863 attached
, child_tidptr=0x555555bcb690) = 13863
[pid 13863] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13863] setpgid(0, 0)               = 0
[pid 13863] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13863] write(3, "1000", 4)         = 4
[pid 13863] close(3)                    = 0
[pid 13863] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13863] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13863] pipe2([3, 4], 0)            = 0
[pid 13863] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13863] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13863] sync()                      = 0
[pid 13863] exit_group(0)               = ?
[pid 13863] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13863, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13864
./strace-static-x86_64: Process 13864 attached
[pid 13864] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13864] setpgid(0, 0)               = 0
[pid 13864] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13864] write(3, "1000", 4)         = 4
[pid 13864] close(3)                    = 0
[pid 13864] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13864] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13864] pipe2([3, 4], 0)            = 0
[pid 13864] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13864] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13864] sync()                      = 0
[pid 13864] exit_group(0)               = ?
[pid 13864] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13864, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13865
./strace-static-x86_64: Process 13865 attached
[pid 13865] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13865] setpgid(0, 0)               = 0
[pid 13865] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13865] write(3, "1000", 4)         = 4
[pid 13865] close(3)                    = 0
[pid 13865] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13865] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13865] pipe2([3, 4], 0)            = 0
[pid 13865] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13865] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13865] sync()                      = 0
[pid 13865] exit_group(0)               = ?
[pid 13865] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13865, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13866
./strace-static-x86_64: Process 13866 attached
[pid 13866] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13866] setpgid(0, 0)               = 0
[pid 13866] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13866] write(3, "1000", 4)         = 4
[pid 13866] close(3)                    = 0
[pid 13866] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13866] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13866] pipe2([3, 4], 0)            = 0
[pid 13866] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13866] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13866] sync()                      = 0
[pid 13866] exit_group(0)               = ?
[pid 13866] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13866, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13867
./strace-static-x86_64: Process 13867 attached
[pid 13867] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13867] setpgid(0, 0)               = 0
[pid 13867] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13867] write(3, "1000", 4)         = 4
[pid 13867] close(3)                    = 0
[pid 13867] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13867] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13867] pipe2([3, 4], 0)            = 0
[pid 13867] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13867] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13867] sync()                      = 0
[pid 13867] exit_group(0)               = ?
[pid 13867] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13867, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13868
./strace-static-x86_64: Process 13868 attached
[pid 13868] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13868] setpgid(0, 0)               = 0
[pid 13868] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13868] write(3, "1000", 4)         = 4
[pid 13868] close(3)                    = 0
[pid 13868] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13868] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13868] pipe2([3, 4], 0)            = 0
[pid 13868] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13868] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13868] sync()                      = 0
[pid 13868] exit_group(0)               = ?
[pid 13868] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13868, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13869
./strace-static-x86_64: Process 13869 attached
[pid 13869] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13869] setpgid(0, 0)               = 0
[pid 13869] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13869] write(3, "1000", 4)         = 4
[pid 13869] close(3)                    = 0
[pid 13869] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13869] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13869] pipe2([3, 4], 0)            = 0
[pid 13869] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13869] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13869] sync()                      = 0
[pid 13869] exit_group(0)               = ?
[pid 13869] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13869, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13870
./strace-static-x86_64: Process 13870 attached
[pid 13870] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13870] setpgid(0, 0)               = 0
[pid 13870] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13870] write(3, "1000", 4)         = 4
[pid 13870] close(3)                    = 0
[pid 13870] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13870] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13870] pipe2([3, 4], 0)            = 0
[pid 13870] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13870] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13870] sync()                      = 0
[pid 13870] exit_group(0)               = ?
[pid 13870] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13870, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13871
./strace-static-x86_64: Process 13871 attached
[pid 13871] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13871] setpgid(0, 0)               = 0
[pid 13871] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13871] write(3, "1000", 4)         = 4
[pid 13871] close(3)                    = 0
[pid 13871] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13871] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13871] pipe2([3, 4], 0)            = 0
[pid 13871] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13871] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13871] sync()                      = 0
[pid 13871] exit_group(0)               = ?
[pid 13871] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13871, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13872
./strace-static-x86_64: Process 13872 attached
[pid 13872] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13872] setpgid(0, 0)               = 0
[pid 13872] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13872] write(3, "1000", 4)         = 4
[pid 13872] close(3)                    = 0
[pid 13872] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13872] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13872] pipe2([3, 4], 0)            = 0
[pid 13872] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13872] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13872] sync()                      = 0
[pid 13872] exit_group(0)               = ?
[pid 13872] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13872, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13873 attached
, child_tidptr=0x555555bcb690) = 13873
[pid 13873] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13873] setpgid(0, 0)               = 0
[pid 13873] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13873] write(3, "1000", 4)         = 4
[pid 13873] close(3)                    = 0
[pid 13873] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13873] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13873] pipe2([3, 4], 0)            = 0
[pid 13873] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13873] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13873] sync()                      = 0
[pid 13873] exit_group(0)               = ?
[pid 13873] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13873, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13874 attached
, child_tidptr=0x555555bcb690) = 13874
[pid 13874] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13874] setpgid(0, 0)               = 0
[pid 13874] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13874] write(3, "1000", 4)         = 4
[pid 13874] close(3)                    = 0
[pid 13874] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13874] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13874] pipe2([3, 4], 0)            = 0
[pid 13874] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13874] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13874] sync()                      = 0
[pid 13874] exit_group(0)               = ?
[pid 13874] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13874, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13875
./strace-static-x86_64: Process 13875 attached
[pid 13875] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13875] setpgid(0, 0)               = 0
[pid 13875] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13875] write(3, "1000", 4)         = 4
[pid 13875] close(3)                    = 0
[pid 13875] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13875] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13875] pipe2([3, 4], 0)            = 0
[pid 13875] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13875] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13875] sync()                      = 0
[pid 13875] exit_group(0)               = ?
[pid 13875] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13875, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13876
./strace-static-x86_64: Process 13876 attached
[pid 13876] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13876] setpgid(0, 0)               = 0
[pid 13876] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13876] write(3, "1000", 4)         = 4
[pid 13876] close(3)                    = 0
[pid 13876] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13876] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13876] pipe2([3, 4], 0)            = 0
[pid 13876] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13876] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13876] sync()                      = 0
[pid 13876] exit_group(0)               = ?
[pid 13876] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13876, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13877
./strace-static-x86_64: Process 13877 attached
[pid 13877] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13877] setpgid(0, 0)               = 0
[pid 13877] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13877] write(3, "1000", 4)         = 4
[pid 13877] close(3)                    = 0
[pid 13877] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13877] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13877] pipe2([3, 4], 0)            = 0
[pid 13877] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13877] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13877] sync()                      = 0
[pid 13877] exit_group(0)               = ?
[pid 13877] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13877, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13878
./strace-static-x86_64: Process 13878 attached
[pid 13878] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13878] setpgid(0, 0)               = 0
[pid 13878] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13878] write(3, "1000", 4)         = 4
[pid 13878] close(3)                    = 0
[pid 13878] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13878] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13878] pipe2([3, 4], 0)            = 0
[pid 13878] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13878] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13878] sync()                      = 0
[pid 13878] exit_group(0)               = ?
[pid 13878] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13878, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13879
./strace-static-x86_64: Process 13879 attached
[pid 13879] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13879] setpgid(0, 0)               = 0
[pid 13879] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13879] write(3, "1000", 4)         = 4
[pid 13879] close(3)                    = 0
[pid 13879] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13879] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13879] pipe2([3, 4], 0)            = 0
[pid 13879] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13879] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13879] sync()                      = 0
[pid 13879] exit_group(0)               = ?
[pid 13879] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13879, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13880 attached
, child_tidptr=0x555555bcb690) = 13880
[pid 13880] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13880] setpgid(0, 0)               = 0
[pid 13880] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13880] write(3, "1000", 4)         = 4
[pid 13880] close(3)                    = 0
[pid 13880] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13880] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13880] pipe2([3, 4], 0)            = 0
[pid 13880] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13880] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13880] sync()                      = 0
[pid 13880] exit_group(0)               = ?
[pid 13880] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13880, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13881 attached
, child_tidptr=0x555555bcb690) = 13881
[pid 13881] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13881] setpgid(0, 0)               = 0
[pid 13881] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13881] write(3, "1000", 4)         = 4
[pid 13881] close(3)                    = 0
[pid 13881] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13881] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13881] pipe2([3, 4], 0)            = 0
[pid 13881] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13881] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13881] sync()                      = 0
[pid 13881] exit_group(0)               = ?
[pid 13881] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13881, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13882
./strace-static-x86_64: Process 13882 attached
[pid 13882] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13882] setpgid(0, 0)               = 0
[pid 13882] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13882] write(3, "1000", 4)         = 4
[pid 13882] close(3)                    = 0
[pid 13882] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13882] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13882] pipe2([3, 4], 0)            = 0
[pid 13882] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13882] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13882] sync()                      = 0
[pid 13882] exit_group(0)               = ?
[pid 13882] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13882, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13883 attached
, child_tidptr=0x555555bcb690) = 13883
[pid 13883] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13883] setpgid(0, 0)               = 0
[pid 13883] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13883] write(3, "1000", 4)         = 4
[pid 13883] close(3)                    = 0
[pid 13883] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13883] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13883] pipe2([3, 4], 0)            = 0
[pid 13883] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13883] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13883] sync()                      = 0
[pid 13883] exit_group(0)               = ?
[pid 13883] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13883, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13884 attached
, child_tidptr=0x555555bcb690) = 13884
[pid 13884] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13884] setpgid(0, 0)               = 0
[pid 13884] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13884] write(3, "1000", 4)         = 4
[pid 13884] close(3)                    = 0
[pid 13884] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13884] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13884] pipe2([3, 4], 0)            = 0
[pid 13884] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13884] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13884] sync()                      = 0
[pid 13884] exit_group(0)               = ?
[pid 13884] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13884, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13885 attached
, child_tidptr=0x555555bcb690) = 13885
[pid 13885] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13885] setpgid(0, 0)               = 0
[pid 13885] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13885] write(3, "1000", 4)         = 4
[pid 13885] close(3)                    = 0
[pid 13885] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13885] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13885] pipe2([3, 4], 0)            = 0
[pid 13885] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13885] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13885] sync()                      = 0
[pid 13885] exit_group(0)               = ?
[pid 13885] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13885, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13886 attached
, child_tidptr=0x555555bcb690) = 13886
[pid 13886] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13886] setpgid(0, 0)               = 0
[pid 13886] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13886] write(3, "1000", 4)         = 4
[pid 13886] close(3)                    = 0
[pid 13886] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13886] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13886] pipe2([3, 4], 0)            = 0
[pid 13886] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13886] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13886] sync()                      = 0
[pid 13886] exit_group(0)               = ?
[pid 13886] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13886, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13887 attached
, child_tidptr=0x555555bcb690) = 13887
[pid 13887] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13887] setpgid(0, 0)               = 0
[pid 13887] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13887] write(3, "1000", 4)         = 4
[pid 13887] close(3)                    = 0
[pid 13887] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13887] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13887] pipe2([3, 4], 0)            = 0
[pid 13887] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13887] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13887] sync()                      = 0
[pid 13887] exit_group(0)               = ?
[pid 13887] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13887, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13888 attached
, child_tidptr=0x555555bcb690) = 13888
[pid 13888] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13888] setpgid(0, 0)               = 0
[pid 13888] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13888] write(3, "1000", 4)         = 4
[pid 13888] close(3)                    = 0
[pid 13888] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13888] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13888] pipe2([3, 4], 0)            = 0
[pid 13888] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13888] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13888] sync()                      = 0
[pid 13888] exit_group(0)               = ?
[pid 13888] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13888, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13889
./strace-static-x86_64: Process 13889 attached
[pid 13889] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13889] setpgid(0, 0)               = 0
[pid 13889] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13889] write(3, "1000", 4)         = 4
[pid 13889] close(3)                    = 0
[pid 13889] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13889] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13889] pipe2([3, 4], 0)            = 0
[pid 13889] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13889] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13889] sync()                      = 0
[pid 13889] exit_group(0)               = ?
[pid 13889] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13889, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13890
./strace-static-x86_64: Process 13890 attached
[pid 13890] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13890] setpgid(0, 0)               = 0
[pid 13890] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13890] write(3, "1000", 4)         = 4
[pid 13890] close(3)                    = 0
[pid 13890] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13890] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13890] pipe2([3, 4], 0)            = 0
[pid 13890] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13890] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13890] sync()                      = 0
[pid 13890] exit_group(0)               = ?
[pid 13890] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13890, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13891
./strace-static-x86_64: Process 13891 attached
[pid 13891] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13891] setpgid(0, 0)               = 0
[pid 13891] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13891] write(3, "1000", 4)         = 4
[pid 13891] close(3)                    = 0
[pid 13891] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13891] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13891] pipe2([3, 4], 0)            = 0
[pid 13891] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13891] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13891] sync()                      = 0
[pid 13891] exit_group(0)               = ?
[pid 13891] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13891, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13892
./strace-static-x86_64: Process 13892 attached
[pid 13892] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13892] setpgid(0, 0)               = 0
[pid 13892] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13892] write(3, "1000", 4)         = 4
[pid 13892] close(3)                    = 0
[pid 13892] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13892] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13892] pipe2([3, 4], 0)            = 0
[pid 13892] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13892] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13892] sync()                      = 0
[pid 13892] exit_group(0)               = ?
[pid 13892] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13892, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13893
./strace-static-x86_64: Process 13893 attached
[pid 13893] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13893] setpgid(0, 0)               = 0
[pid 13893] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13893] write(3, "1000", 4)         = 4
[pid 13893] close(3)                    = 0
[pid 13893] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13893] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13893] pipe2([3, 4], 0)            = 0
[pid 13893] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13893] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13893] sync()                      = 0
[pid 13893] exit_group(0)               = ?
[pid 13893] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13893, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13894 attached
, child_tidptr=0x555555bcb690) = 13894
[pid 13894] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13894] setpgid(0, 0)               = 0
[pid 13894] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13894] write(3, "1000", 4)         = 4
[pid 13894] close(3)                    = 0
[pid 13894] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13894] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13894] pipe2([3, 4], 0)            = 0
[pid 13894] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13894] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13894] sync()                      = 0
[pid 13894] exit_group(0)               = ?
[pid 13894] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13894, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13895 attached
, child_tidptr=0x555555bcb690) = 13895
[pid 13895] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13895] setpgid(0, 0)               = 0
[pid 13895] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13895] write(3, "1000", 4)         = 4
[pid 13895] close(3)                    = 0
[pid 13895] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13895] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13895] pipe2([3, 4], 0)            = 0
[pid 13895] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13895] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13895] sync()                      = 0
[pid 13895] exit_group(0)               = ?
[pid 13895] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13895, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13896 attached
, child_tidptr=0x555555bcb690) = 13896
[pid 13896] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13896] setpgid(0, 0)               = 0
[pid 13896] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13896] write(3, "1000", 4)         = 4
[pid 13896] close(3)                    = 0
[pid 13896] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13896] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13896] pipe2([3, 4], 0)            = 0
[pid 13896] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13896] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13896] sync()                      = 0
[pid 13896] exit_group(0)               = ?
[pid 13896] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13896, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13897 attached
, child_tidptr=0x555555bcb690) = 13897
[pid 13897] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13897] setpgid(0, 0)               = 0
[pid 13897] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13897] write(3, "1000", 4)         = 4
[pid 13897] close(3)                    = 0
[pid 13897] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13897] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13897] pipe2([3, 4], 0)            = 0
[pid 13897] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13897] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13897] sync()                      = 0
[pid 13897] exit_group(0)               = ?
[pid 13897] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13897, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13898 attached
, child_tidptr=0x555555bcb690) = 13898
[pid 13898] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13898] setpgid(0, 0)               = 0
[pid 13898] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13898] write(3, "1000", 4)         = 4
[pid 13898] close(3)                    = 0
[pid 13898] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13898] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13898] pipe2([3, 4], 0)            = 0
[pid 13898] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13898] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13898] sync()                      = 0
[pid 13898] exit_group(0)               = ?
[pid 13898] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13898, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13899
./strace-static-x86_64: Process 13899 attached
[pid 13899] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13899] setpgid(0, 0)               = 0
[pid 13899] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13899] write(3, "1000", 4)         = 4
[pid 13899] close(3)                    = 0
[pid 13899] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13899] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13899] pipe2([3, 4], 0)            = 0
[pid 13899] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13899] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13899] sync()                      = 0
[pid 13899] exit_group(0)               = ?
[pid 13899] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13899, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13900
./strace-static-x86_64: Process 13900 attached
[pid 13900] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13900] setpgid(0, 0)               = 0
[pid 13900] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13900] write(3, "1000", 4)         = 4
[pid 13900] close(3)                    = 0
[pid 13900] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13900] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13900] pipe2([3, 4], 0)            = 0
[pid 13900] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13900] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13900] sync()                      = 0
[pid 13900] exit_group(0)               = ?
[pid 13900] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13900, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13901 attached
, child_tidptr=0x555555bcb690) = 13901
[pid 13901] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13901] setpgid(0, 0)               = 0
[pid 13901] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13901] write(3, "1000", 4)         = 4
[pid 13901] close(3)                    = 0
[pid 13901] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13901] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13901] pipe2([3, 4], 0)            = 0
[pid 13901] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13901] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13901] sync()                      = 0
[pid 13901] exit_group(0)               = ?
[pid 13901] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13901, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13902 attached
, child_tidptr=0x555555bcb690) = 13902
[pid 13902] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13902] setpgid(0, 0)               = 0
[pid 13902] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13902] write(3, "1000", 4)         = 4
[pid 13902] close(3)                    = 0
[pid 13902] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13902] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13902] pipe2([3, 4], 0)            = 0
[pid 13902] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13902] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13902] sync()                      = 0
[pid 13902] exit_group(0)               = ?
[pid 13902] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13902, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13903
./strace-static-x86_64: Process 13903 attached
[pid 13903] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13903] setpgid(0, 0)               = 0
[pid 13903] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13903] write(3, "1000", 4)         = 4
[pid 13903] close(3)                    = 0
[pid 13903] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13903] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13903] pipe2([3, 4], 0)            = 0
[pid 13903] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13903] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13903] sync()                      = 0
[pid 13903] exit_group(0)               = ?
[pid 13903] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13903, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13904
./strace-static-x86_64: Process 13904 attached
[pid 13904] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13904] setpgid(0, 0)               = 0
[pid 13904] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13904] write(3, "1000", 4)         = 4
[pid 13904] close(3)                    = 0
[pid 13904] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13904] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13904] pipe2([3, 4], 0)            = 0
[pid 13904] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13904] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13904] sync()                      = 0
[pid 13904] exit_group(0)               = ?
[pid 13904] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13904, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13905 attached
, child_tidptr=0x555555bcb690) = 13905
[pid 13905] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13905] setpgid(0, 0)               = 0
[pid 13905] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13905] write(3, "1000", 4)         = 4
[pid 13905] close(3)                    = 0
[pid 13905] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13905] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13905] pipe2([3, 4], 0)            = 0
[pid 13905] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13905] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13905] sync()                      = 0
[pid 13905] exit_group(0)               = ?
[pid 13905] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13905, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13906 attached
, child_tidptr=0x555555bcb690) = 13906
[pid 13906] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13906] setpgid(0, 0)               = 0
[pid 13906] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13906] write(3, "1000", 4)         = 4
[pid 13906] close(3)                    = 0
[pid 13906] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13906] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13906] pipe2([3, 4], 0)            = 0
[pid 13906] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13906] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13906] sync()                      = 0
[pid 13906] exit_group(0)               = ?
[pid 13906] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13906, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13907 attached
, child_tidptr=0x555555bcb690) = 13907
[pid 13907] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13907] setpgid(0, 0)               = 0
[pid 13907] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13907] write(3, "1000", 4)         = 4
[pid 13907] close(3)                    = 0
[pid 13907] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13907] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13907] pipe2([3, 4], 0)            = 0
[pid 13907] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13907] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13907] sync()                      = 0
[pid 13907] exit_group(0)               = ?
[pid 13907] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13907, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13908 attached
, child_tidptr=0x555555bcb690) = 13908
[pid 13908] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13908] setpgid(0, 0)               = 0
[pid 13908] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13908] write(3, "1000", 4)         = 4
[pid 13908] close(3)                    = 0
[pid 13908] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13908] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13908] pipe2([3, 4], 0)            = 0
[pid 13908] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13908] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13908] sync()                      = 0
[pid 13908] exit_group(0)               = ?
[pid 13908] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13908, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13909
./strace-static-x86_64: Process 13909 attached
[pid 13909] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13909] setpgid(0, 0)               = 0
[pid 13909] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13909] write(3, "1000", 4)         = 4
[pid 13909] close(3)                    = 0
[pid 13909] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13909] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13909] pipe2([3, 4], 0)            = 0
[pid 13909] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13909] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13909] sync()                      = 0
[pid 13909] exit_group(0)               = ?
[pid 13909] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13909, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13910
./strace-static-x86_64: Process 13910 attached
[pid 13910] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13910] setpgid(0, 0)               = 0
[pid 13910] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13910] write(3, "1000", 4)         = 4
[pid 13910] close(3)                    = 0
[pid 13910] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13910] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13910] pipe2([3, 4], 0)            = 0
[pid 13910] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13910] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13910] sync()                      = 0
[pid 13910] exit_group(0)               = ?
[pid 13910] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13910, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13911
./strace-static-x86_64: Process 13911 attached
[pid 13911] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13911] setpgid(0, 0)               = 0
[pid 13911] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13911] write(3, "1000", 4)         = 4
[pid 13911] close(3)                    = 0
[pid 13911] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13911] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13911] pipe2([3, 4], 0)            = 0
[pid 13911] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13911] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13911] sync()                      = 0
[pid 13911] exit_group(0)               = ?
[pid 13911] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13911, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13912 attached
, child_tidptr=0x555555bcb690) = 13912
[pid 13912] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13912] setpgid(0, 0)               = 0
[pid 13912] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13912] write(3, "1000", 4)         = 4
[pid 13912] close(3)                    = 0
[pid 13912] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13912] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13912] pipe2([3, 4], 0)            = 0
[pid 13912] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13912] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13912] sync()                      = 0
[pid 13912] exit_group(0)               = ?
[pid 13912] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13912, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13913
./strace-static-x86_64: Process 13913 attached
[pid 13913] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13913] setpgid(0, 0)               = 0
[pid 13913] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13913] write(3, "1000", 4)         = 4
[pid 13913] close(3)                    = 0
[pid 13913] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13913] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13913] pipe2([3, 4], 0)            = 0
[pid 13913] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13913] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13913] sync()                      = 0
[pid 13913] exit_group(0)               = ?
[pid 13913] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13913, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13914 attached
, child_tidptr=0x555555bcb690) = 13914
[pid 13914] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13914] setpgid(0, 0)               = 0
[pid 13914] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13914] write(3, "1000", 4)         = 4
[pid 13914] close(3)                    = 0
[pid 13914] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13914] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13914] pipe2([3, 4], 0)            = 0
[pid 13914] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13914] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13914] sync()                      = 0
[pid 13914] exit_group(0)               = ?
[pid 13914] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13914, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13915
./strace-static-x86_64: Process 13915 attached
[pid 13915] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13915] setpgid(0, 0)               = 0
[pid 13915] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13915] write(3, "1000", 4)         = 4
[pid 13915] close(3)                    = 0
[pid 13915] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13915] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13915] pipe2([3, 4], 0)            = 0
[pid 13915] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13915] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13915] sync()                      = 0
[pid 13915] exit_group(0)               = ?
[pid 13915] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13915, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13916 attached
, child_tidptr=0x555555bcb690) = 13916
[pid 13916] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13916] setpgid(0, 0)               = 0
[pid 13916] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13916] write(3, "1000", 4)         = 4
[pid 13916] close(3)                    = 0
[pid 13916] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13916] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13916] pipe2([3, 4], 0)            = 0
[pid 13916] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13916] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13916] sync()                      = 0
[pid 13916] exit_group(0)               = ?
[pid 13916] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13916, si_uid=0, si_status=0, si_utime=1, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13917
./strace-static-x86_64: Process 13917 attached
[pid 13917] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13917] setpgid(0, 0)               = 0
[pid 13917] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13917] write(3, "1000", 4)         = 4
[pid 13917] close(3)                    = 0
[pid 13917] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13917] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13917] pipe2([3, 4], 0)            = 0
[pid 13917] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13917] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13917] sync()                      = 0
[pid 13917] exit_group(0)               = ?
[pid 13917] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13917, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13918 attached
, child_tidptr=0x555555bcb690) = 13918
[pid 13918] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13918] setpgid(0, 0)               = 0
[pid 13918] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13918] write(3, "1000", 4)         = 4
[pid 13918] close(3)                    = 0
[pid 13918] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13918] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13918] pipe2([3, 4], 0)            = 0
[pid 13918] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13918] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13918] sync()                      = 0
[pid 13918] exit_group(0)               = ?
[pid 13918] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13918, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13919 attached
, child_tidptr=0x555555bcb690) = 13919
[pid 13919] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13919] setpgid(0, 0)               = 0
[pid 13919] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13919] write(3, "1000", 4)         = 4
[pid 13919] close(3)                    = 0
[pid 13919] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13919] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13919] pipe2([3, 4], 0)            = 0
[pid 13919] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13919] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13919] sync()                      = 0
[pid 13919] exit_group(0)               = ?
[pid 13919] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13919, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13920
./strace-static-x86_64: Process 13920 attached
[pid 13920] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13920] setpgid(0, 0)               = 0
[pid 13920] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13920] write(3, "1000", 4)         = 4
[pid 13920] close(3)                    = 0
[pid 13920] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13920] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13920] pipe2([3, 4], 0)            = 0
[pid 13920] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13920] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13920] sync()                      = 0
[pid 13920] exit_group(0)               = ?
[pid 13920] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13920, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13921 attached
, child_tidptr=0x555555bcb690) = 13921
[pid 13921] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13921] setpgid(0, 0)               = 0
[pid 13921] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13921] write(3, "1000", 4)         = 4
[pid 13921] close(3)                    = 0
[pid 13921] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13921] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13921] pipe2([3, 4], 0)            = 0
[pid 13921] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13921] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13921] sync()                      = 0
[pid 13921] exit_group(0)               = ?
[pid 13921] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13921, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13922 attached
, child_tidptr=0x555555bcb690) = 13922
[pid 13922] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13922] setpgid(0, 0)               = 0
[pid 13922] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13922] write(3, "1000", 4)         = 4
[pid 13922] close(3)                    = 0
[pid 13922] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13922] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13922] pipe2([3, 4], 0)            = 0
[pid 13922] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13922] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13922] sync()                      = 0
[pid 13922] exit_group(0)               = ?
[pid 13922] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13922, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13923 attached
, child_tidptr=0x555555bcb690) = 13923
[pid 13923] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13923] setpgid(0, 0)               = 0
[pid 13923] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13923] write(3, "1000", 4)         = 4
[pid 13923] close(3)                    = 0
[pid 13923] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13923] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13923] pipe2([3, 4], 0)            = 0
[pid 13923] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13923] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13923] sync()                      = 0
[pid 13923] exit_group(0)               = ?
[pid 13923] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13923, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13924 attached
, child_tidptr=0x555555bcb690) = 13924
[pid 13924] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13924] setpgid(0, 0)               = 0
[pid 13924] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13924] write(3, "1000", 4)         = 4
[pid 13924] close(3)                    = 0
[pid 13924] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13924] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13924] pipe2([3, 4], 0)            = 0
[pid 13924] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13924] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13924] sync()                      = 0
[pid 13924] exit_group(0)               = ?
[pid 13924] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13924, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13925 attached
, child_tidptr=0x555555bcb690) = 13925
[pid 13925] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13925] setpgid(0, 0)               = 0
[pid 13925] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13925] write(3, "1000", 4)         = 4
[pid 13925] close(3)                    = 0
[pid 13925] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13925] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13925] pipe2([3, 4], 0)            = 0
[pid 13925] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13925] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13925] sync()                      = 0
[pid 13925] exit_group(0)               = ?
[pid 13925] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13925, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13926
./strace-static-x86_64: Process 13926 attached
[pid 13926] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13926] setpgid(0, 0)               = 0
[pid 13926] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13926] write(3, "1000", 4)         = 4
[pid 13926] close(3)                    = 0
[pid 13926] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13926] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13926] pipe2([3, 4], 0)            = 0
[pid 13926] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13926] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13926] sync()                      = 0
[pid 13926] exit_group(0)               = ?
[pid 13926] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13926, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13927
./strace-static-x86_64: Process 13927 attached
[pid 13927] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13927] setpgid(0, 0)               = 0
[pid 13927] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13927] write(3, "1000", 4)         = 4
[pid 13927] close(3)                    = 0
[pid 13927] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13927] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13927] pipe2([3, 4], 0)            = 0
[pid 13927] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13927] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13927] sync()                      = 0
[pid 13927] exit_group(0)               = ?
[pid 13927] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13927, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13928 attached
, child_tidptr=0x555555bcb690) = 13928
[pid 13928] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13928] setpgid(0, 0)               = 0
[pid 13928] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13928] write(3, "1000", 4)         = 4
[pid 13928] close(3)                    = 0
[pid 13928] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13928] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13928] pipe2([3, 4], 0)            = 0
[pid 13928] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13928] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13928] sync()                      = 0
[pid 13928] exit_group(0)               = ?
[pid 13928] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13928, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13929
./strace-static-x86_64: Process 13929 attached
[pid 13929] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13929] setpgid(0, 0)               = 0
[pid 13929] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13929] write(3, "1000", 4)         = 4
[pid 13929] close(3)                    = 0
[pid 13929] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13929] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13929] pipe2([3, 4], 0)            = 0
[pid 13929] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13929] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13929] sync()                      = 0
[pid 13929] exit_group(0)               = ?
[pid 13929] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13929, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13930 attached
, child_tidptr=0x555555bcb690) = 13930
[pid 13930] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13930] setpgid(0, 0)               = 0
[pid 13930] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13930] write(3, "1000", 4)         = 4
[pid 13930] close(3)                    = 0
[pid 13930] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13930] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13930] pipe2([3, 4], 0)            = 0
[pid 13930] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13930] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13930] sync()                      = 0
[pid 13930] exit_group(0)               = ?
[pid 13930] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13930, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13931 attached
, child_tidptr=0x555555bcb690) = 13931
[pid 13931] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13931] setpgid(0, 0)               = 0
[pid 13931] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13931] write(3, "1000", 4)         = 4
[pid 13931] close(3)                    = 0
[pid 13931] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13931] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13931] pipe2([3, 4], 0)            = 0
[pid 13931] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13931] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13931] sync()                      = 0
[pid 13931] exit_group(0)               = ?
[pid 13931] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13931, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13932
./strace-static-x86_64: Process 13932 attached
[pid 13932] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13932] setpgid(0, 0)               = 0
[pid 13932] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13932] write(3, "1000", 4)         = 4
[pid 13932] close(3)                    = 0
[pid 13932] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13932] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13932] pipe2([3, 4], 0)            = 0
[pid 13932] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13932] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13932] sync()                      = 0
[pid 13932] exit_group(0)               = ?
[pid 13932] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13932, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13933 attached
, child_tidptr=0x555555bcb690) = 13933
[pid 13933] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13933] setpgid(0, 0)               = 0
[pid 13933] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13933] write(3, "1000", 4)         = 4
[pid 13933] close(3)                    = 0
[pid 13933] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13933] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13933] pipe2([3, 4], 0)            = 0
[pid 13933] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13933] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13933] sync()                      = 0
[pid 13933] exit_group(0)               = ?
[pid 13933] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13933, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13934 attached
, child_tidptr=0x555555bcb690) = 13934
[pid 13934] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13934] setpgid(0, 0)               = 0
[pid 13934] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13934] write(3, "1000", 4)         = 4
[pid 13934] close(3)                    = 0
[pid 13934] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13934] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13934] pipe2([3, 4], 0)            = 0
[pid 13934] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13934] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13934] sync()                      = 0
[pid 13934] exit_group(0)               = ?
[pid 13934] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13934, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13935
./strace-static-x86_64: Process 13935 attached
[pid 13935] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13935] setpgid(0, 0)               = 0
[pid 13935] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13935] write(3, "1000", 4)         = 4
[pid 13935] close(3)                    = 0
[pid 13935] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13935] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13935] pipe2([3, 4], 0)            = 0
[pid 13935] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13935] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13935] sync()                      = 0
[pid 13935] exit_group(0)               = ?
[pid 13935] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13935, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13936 attached
, child_tidptr=0x555555bcb690) = 13936
[pid 13936] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13936] setpgid(0, 0)               = 0
[pid 13936] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13936] write(3, "1000", 4)         = 4
[pid 13936] close(3)                    = 0
[pid 13936] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13936] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13936] pipe2([3, 4], 0)            = 0
[pid 13936] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13936] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13936] sync()                      = 0
[pid 13936] exit_group(0)               = ?
[pid 13936] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13936, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13937
./strace-static-x86_64: Process 13937 attached
[pid 13937] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13937] setpgid(0, 0)               = 0
[pid 13937] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13937] write(3, "1000", 4)         = 4
[pid 13937] close(3)                    = 0
[pid 13937] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13937] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13937] pipe2([3, 4], 0)            = 0
[pid 13937] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13937] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13937] sync()                      = 0
[pid 13937] exit_group(0)               = ?
[pid 13937] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13937, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13938
./strace-static-x86_64: Process 13938 attached
[pid 13938] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13938] setpgid(0, 0)               = 0
[pid 13938] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13938] write(3, "1000", 4)         = 4
[pid 13938] close(3)                    = 0
[pid 13938] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13938] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13938] pipe2([3, 4], 0)            = 0
[pid 13938] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13938] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13938] sync()                      = 0
[pid 13938] exit_group(0)               = ?
[pid 13938] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13938, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13939 attached
, child_tidptr=0x555555bcb690) = 13939
[pid 13939] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13939] setpgid(0, 0)               = 0
[pid 13939] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13939] write(3, "1000", 4)         = 4
[pid 13939] close(3)                    = 0
[pid 13939] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13939] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13939] pipe2([3, 4], 0)            = 0
[pid 13939] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13939] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13939] sync()                      = 0
[pid 13939] exit_group(0)               = ?
[pid 13939] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13939, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13940 attached
, child_tidptr=0x555555bcb690) = 13940
[pid 13940] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13940] setpgid(0, 0)               = 0
[pid 13940] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13940] write(3, "1000", 4)         = 4
[pid 13940] close(3)                    = 0
[pid 13940] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13940] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13940] pipe2([3, 4], 0)            = 0
[pid 13940] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13940] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13940] sync()                      = 0
[pid 13940] exit_group(0)               = ?
[pid 13940] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13940, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13941
./strace-static-x86_64: Process 13941 attached
[pid 13941] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13941] setpgid(0, 0)               = 0
[pid 13941] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13941] write(3, "1000", 4)         = 4
[pid 13941] close(3)                    = 0
[pid 13941] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13941] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13941] pipe2([3, 4], 0)            = 0
[pid 13941] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13941] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13941] sync()                      = 0
[pid 13941] exit_group(0)               = ?
[pid 13941] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13941, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13942
./strace-static-x86_64: Process 13942 attached
[pid 13942] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13942] setpgid(0, 0)               = 0
[pid 13942] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13942] write(3, "1000", 4)         = 4
[pid 13942] close(3)                    = 0
[pid 13942] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13942] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13942] pipe2([3, 4], 0)            = 0
[pid 13942] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13942] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13942] sync()                      = 0
[pid 13942] exit_group(0)               = ?
[pid 13942] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13942, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13943
./strace-static-x86_64: Process 13943 attached
[pid 13943] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13943] setpgid(0, 0)               = 0
[pid 13943] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13943] write(3, "1000", 4)         = 4
[pid 13943] close(3)                    = 0
[pid 13943] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13943] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13943] pipe2([3, 4], 0)            = 0
[pid 13943] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13943] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13943] sync()                      = 0
[pid 13943] exit_group(0)               = ?
[pid 13943] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13943, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13944
./strace-static-x86_64: Process 13944 attached
[pid 13944] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13944] setpgid(0, 0)               = 0
[pid 13944] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13944] write(3, "1000", 4)         = 4
[pid 13944] close(3)                    = 0
[pid 13944] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13944] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13944] pipe2([3, 4], 0)            = 0
[pid 13944] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13944] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13944] sync()                      = 0
[pid 13944] exit_group(0)               = ?
[pid 13944] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13944, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13945 attached
, child_tidptr=0x555555bcb690) = 13945
[pid 13945] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13945] setpgid(0, 0)               = 0
[pid 13945] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13945] write(3, "1000", 4)         = 4
[pid 13945] close(3)                    = 0
[pid 13945] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13945] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13945] pipe2([3, 4], 0)            = 0
[pid 13945] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13945] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13945] sync()                      = 0
[pid 13945] exit_group(0)               = ?
[pid 13945] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13945, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13946
./strace-static-x86_64: Process 13946 attached
[pid 13946] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13946] setpgid(0, 0)               = 0
[pid 13946] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13946] write(3, "1000", 4)         = 4
[pid 13946] close(3)                    = 0
[pid 13946] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13946] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13946] pipe2([3, 4], 0)            = 0
[pid 13946] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13946] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13946] sync()                      = 0
[pid 13946] exit_group(0)               = ?
[pid 13946] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13946, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13947
./strace-static-x86_64: Process 13947 attached
[pid 13947] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13947] setpgid(0, 0)               = 0
[pid 13947] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13947] write(3, "1000", 4)         = 4
[pid 13947] close(3)                    = 0
[pid 13947] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13947] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13947] pipe2([3, 4], 0)            = 0
[pid 13947] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13947] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13947] sync()                      = 0
[pid 13947] exit_group(0)               = ?
[pid 13947] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13947, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13948
./strace-static-x86_64: Process 13948 attached
[pid 13948] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13948] setpgid(0, 0)               = 0
[pid 13948] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13948] write(3, "1000", 4)         = 4
[pid 13948] close(3)                    = 0
[pid 13948] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13948] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13948] pipe2([3, 4], 0)            = 0
[pid 13948] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13948] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13948] sync()                      = 0
[pid 13948] exit_group(0)               = ?
[pid 13948] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13948, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13949 attached
, child_tidptr=0x555555bcb690) = 13949
[pid 13949] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13949] setpgid(0, 0)               = 0
[pid 13949] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13949] write(3, "1000", 4)         = 4
[pid 13949] close(3)                    = 0
[pid 13949] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13949] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13949] pipe2([3, 4], 0)            = 0
[pid 13949] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13949] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13949] sync()                      = 0
[pid 13949] exit_group(0)               = ?
[pid 13949] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13949, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13950 attached
, child_tidptr=0x555555bcb690) = 13950
[pid 13950] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13950] setpgid(0, 0)               = 0
[pid 13950] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13950] write(3, "1000", 4)         = 4
[pid 13950] close(3)                    = 0
[pid 13950] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13950] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13950] pipe2([3, 4], 0)            = 0
[pid 13950] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13950] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13950] sync()                      = 0
[pid 13950] exit_group(0)               = ?
[pid 13950] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13950, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13951
./strace-static-x86_64: Process 13951 attached
[pid 13951] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13951] setpgid(0, 0)               = 0
[pid 13951] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13951] write(3, "1000", 4)         = 4
[pid 13951] close(3)                    = 0
[pid 13951] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13951] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13951] pipe2([3, 4], 0)            = 0
[pid 13951] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13951] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13951] sync()                      = 0
[pid 13951] exit_group(0)               = ?
[pid 13951] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13951, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13952 attached
, child_tidptr=0x555555bcb690) = 13952
[pid 13952] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13952] setpgid(0, 0)               = 0
[pid 13952] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13952] write(3, "1000", 4)         = 4
[pid 13952] close(3)                    = 0
[pid 13952] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13952] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13952] pipe2([3, 4], 0)            = 0
[pid 13952] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13952] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13952] sync()                      = 0
[pid 13952] exit_group(0)               = ?
[pid 13952] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13952, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13953
./strace-static-x86_64: Process 13953 attached
[pid 13953] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13953] setpgid(0, 0)               = 0
[pid 13953] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13953] write(3, "1000", 4)         = 4
[pid 13953] close(3)                    = 0
[pid 13953] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13953] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13953] pipe2([3, 4], 0)            = 0
[pid 13953] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13953] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13953] sync()                      = 0
[pid 13953] exit_group(0)               = ?
[pid 13953] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13953, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13954 attached
, child_tidptr=0x555555bcb690) = 13954
[pid 13954] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13954] setpgid(0, 0)               = 0
[pid 13954] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13954] write(3, "1000", 4)         = 4
[pid 13954] close(3)                    = 0
[pid 13954] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13954] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13954] pipe2([3, 4], 0)            = 0
[pid 13954] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13954] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13954] sync()                      = 0
[pid 13954] exit_group(0)               = ?
[pid 13954] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13954, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13955 attached
, child_tidptr=0x555555bcb690) = 13955
[pid 13955] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13955] setpgid(0, 0)               = 0
[pid 13955] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13955] write(3, "1000", 4)         = 4
[pid 13955] close(3)                    = 0
[pid 13955] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13955] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13955] pipe2([3, 4], 0)            = 0
[pid 13955] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13955] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13955] sync()                      = 0
[pid 13955] exit_group(0)               = ?
[pid 13955] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13955, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13956
./strace-static-x86_64: Process 13956 attached
[pid 13956] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13956] setpgid(0, 0)               = 0
[pid 13956] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13956] write(3, "1000", 4)         = 4
[pid 13956] close(3)                    = 0
[pid 13956] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13956] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13956] pipe2([3, 4], 0)            = 0
[pid 13956] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13956] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13956] sync()                      = 0
[pid 13956] exit_group(0)               = ?
[pid 13956] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13956, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13957 attached
, child_tidptr=0x555555bcb690) = 13957
[pid 13957] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13957] setpgid(0, 0)               = 0
[pid 13957] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13957] write(3, "1000", 4)         = 4
[pid 13957] close(3)                    = 0
[pid 13957] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13957] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13957] pipe2([3, 4], 0)            = 0
[pid 13957] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13957] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13957] sync()                      = 0
[pid 13957] exit_group(0)               = ?
[pid 13957] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13957, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13958 attached
, child_tidptr=0x555555bcb690) = 13958
[pid 13958] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13958] setpgid(0, 0)               = 0
[pid 13958] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13958] write(3, "1000", 4)         = 4
[pid 13958] close(3)                    = 0
[pid 13958] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13958] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13958] pipe2([3, 4], 0)            = 0
[pid 13958] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13958] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13958] sync()                      = 0
[pid 13958] exit_group(0)               = ?
[pid 13958] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13958, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13959 attached
, child_tidptr=0x555555bcb690) = 13959
[pid 13959] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13959] setpgid(0, 0)               = 0
[pid 13959] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13959] write(3, "1000", 4)         = 4
[pid 13959] close(3)                    = 0
[pid 13959] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13959] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13959] pipe2([3, 4], 0)            = 0
[pid 13959] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13959] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13959] sync()                      = 0
[pid 13959] exit_group(0)               = ?
[pid 13959] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13959, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13960 attached
, child_tidptr=0x555555bcb690) = 13960
[pid 13960] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13960] setpgid(0, 0)               = 0
[pid 13960] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13960] write(3, "1000", 4)         = 4
[pid 13960] close(3)                    = 0
[pid 13960] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13960] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13960] pipe2([3, 4], 0)            = 0
[pid 13960] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13960] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13960] sync()                      = 0
[pid 13960] exit_group(0)               = ?
[pid 13960] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13960, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13961 attached
, child_tidptr=0x555555bcb690) = 13961
[pid 13961] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13961] setpgid(0, 0)               = 0
[pid 13961] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13961] write(3, "1000", 4)         = 4
[pid 13961] close(3)                    = 0
[pid 13961] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13961] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13961] pipe2([3, 4], 0)            = 0
[pid 13961] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13961] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13961] sync()                      = 0
[pid 13961] exit_group(0)               = ?
[pid 13961] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13961, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13962 attached
, child_tidptr=0x555555bcb690) = 13962
[pid 13962] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13962] setpgid(0, 0)               = 0
[pid 13962] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13962] write(3, "1000", 4)         = 4
[pid 13962] close(3)                    = 0
[pid 13962] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13962] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13962] pipe2([3, 4], 0)            = 0
[pid 13962] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13962] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13962] sync()                      = 0
[pid 13962] exit_group(0)               = ?
[pid 13962] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13962, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13963 attached
, child_tidptr=0x555555bcb690) = 13963
[pid 13963] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13963] setpgid(0, 0)               = 0
[pid 13963] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13963] write(3, "1000", 4)         = 4
[pid 13963] close(3)                    = 0
[pid 13963] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13963] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13963] pipe2([3, 4], 0)            = 0
[pid 13963] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13963] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13963] sync()                      = 0
[pid 13963] exit_group(0)               = ?
[pid 13963] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13963, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13964 attached
 <unfinished ...>
[pid 13964] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13964] setpgid(0, 0)               = 0
[pid 13964] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3603] <... clone resumed>, child_tidptr=0x555555bcb690) = 13964
[pid 13964] <... openat resumed>)       = 3
[pid 13964] write(3, "1000", 4)         = 4
[pid 13964] close(3)                    = 0
[pid 13964] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13964] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13964] pipe2([3, 4], 0)            = 0
[pid 13964] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13964] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13964] sync()                      = 0
[pid 13964] exit_group(0)               = ?
[pid 13964] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13964, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13965 attached
, child_tidptr=0x555555bcb690) = 13965
[pid 13965] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13965] setpgid(0, 0)               = 0
[pid 13965] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13965] write(3, "1000", 4)         = 4
[pid 13965] close(3)                    = 0
[pid 13965] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13965] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13965] pipe2([3, 4], 0)            = 0
[pid 13965] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13965] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13965] sync()                      = 0
[pid 13965] exit_group(0)               = ?
[pid 13965] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13965, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13966 attached
, child_tidptr=0x555555bcb690) = 13966
[pid 13966] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13966] setpgid(0, 0)               = 0
[pid 13966] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13966] write(3, "1000", 4)         = 4
[pid 13966] close(3)                    = 0
[pid 13966] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13966] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13966] pipe2([3, 4], 0)            = 0
[pid 13966] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13966] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13966] sync()                      = 0
[pid 13966] exit_group(0)               = ?
[pid 13966] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13966, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13967
./strace-static-x86_64: Process 13967 attached
[pid 13967] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13967] setpgid(0, 0)               = 0
[pid 13967] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13967] write(3, "1000", 4)         = 4
[pid 13967] close(3)                    = 0
[pid 13967] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13967] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13967] pipe2([3, 4], 0)            = 0
[pid 13967] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13967] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13967] sync()                      = 0
[pid 13967] exit_group(0)               = ?
[pid 13967] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13967, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13968
./strace-static-x86_64: Process 13968 attached
[pid 13968] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13968] setpgid(0, 0)               = 0
[pid 13968] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13968] write(3, "1000", 4)         = 4
[pid 13968] close(3)                    = 0
[pid 13968] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13968] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13968] pipe2([3, 4], 0)            = 0
[pid 13968] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13968] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13968] sync()                      = 0
[pid 13968] exit_group(0)               = ?
[pid 13968] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13968, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13969
./strace-static-x86_64: Process 13969 attached
[pid 13969] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13969] setpgid(0, 0)               = 0
[pid 13969] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13969] write(3, "1000", 4)         = 4
[pid 13969] close(3)                    = 0
[pid 13969] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13969] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13969] pipe2([3, 4], 0)            = 0
[pid 13969] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13969] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13969] sync()                      = 0
[pid 13969] exit_group(0)               = ?
[pid 13969] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13969, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13970 attached
, child_tidptr=0x555555bcb690) = 13970
[pid 13970] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13970] setpgid(0, 0)               = 0
[pid 13970] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13970] write(3, "1000", 4)         = 4
[pid 13970] close(3)                    = 0
[pid 13970] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13970] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13970] pipe2([3, 4], 0)            = 0
[pid 13970] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13970] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13970] sync()                      = 0
[pid 13970] exit_group(0)               = ?
[pid 13970] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13970, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13971 attached
, child_tidptr=0x555555bcb690) = 13971
[pid 13971] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13971] setpgid(0, 0)               = 0
[pid 13971] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13971] write(3, "1000", 4)         = 4
[pid 13971] close(3)                    = 0
[pid 13971] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13971] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13971] pipe2([3, 4], 0)            = 0
[pid 13971] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13971] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13971] sync()                      = 0
[pid 13971] exit_group(0)               = ?
[pid 13971] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13971, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13972
./strace-static-x86_64: Process 13972 attached
[pid 13972] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13972] setpgid(0, 0)               = 0
[pid 13972] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13972] write(3, "1000", 4)         = 4
[pid 13972] close(3)                    = 0
[pid 13972] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13972] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13972] pipe2([3, 4], 0)            = 0
[pid 13972] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13972] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13972] sync()                      = 0
[pid 13972] exit_group(0)               = ?
[pid 13972] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13972, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13973 attached
, child_tidptr=0x555555bcb690) = 13973
[pid 13973] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13973] setpgid(0, 0)               = 0
[pid 13973] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13973] write(3, "1000", 4)         = 4
[pid 13973] close(3)                    = 0
[pid 13973] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13973] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13973] pipe2([3, 4], 0)            = 0
[pid 13973] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13973] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13973] sync()                      = 0
[pid 13973] exit_group(0)               = ?
[pid 13973] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13973, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13974 attached
, child_tidptr=0x555555bcb690) = 13974
[pid 13974] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13974] setpgid(0, 0)               = 0
[pid 13974] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13974] write(3, "1000", 4)         = 4
[pid 13974] close(3)                    = 0
[pid 13974] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13974] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13974] pipe2([3, 4], 0)            = 0
[pid 13974] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13974] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13974] sync()                      = 0
[pid 13974] exit_group(0)               = ?
[pid 13974] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13974, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13975
./strace-static-x86_64: Process 13975 attached
[pid 13975] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13975] setpgid(0, 0)               = 0
[pid 13975] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13975] write(3, "1000", 4)         = 4
[pid 13975] close(3)                    = 0
[pid 13975] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13975] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13975] pipe2([3, 4], 0)            = 0
[pid 13975] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13975] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13975] sync()                      = 0
[pid 13975] exit_group(0)               = ?
[pid 13975] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13975, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13976 attached
, child_tidptr=0x555555bcb690) = 13976
[pid 13976] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13976] setpgid(0, 0)               = 0
[pid 13976] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13976] write(3, "1000", 4)         = 4
[pid 13976] close(3)                    = 0
[pid 13976] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13976] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13976] pipe2([3, 4], 0)            = 0
[pid 13976] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13976] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13976] sync()                      = 0
[pid 13976] exit_group(0)               = ?
[pid 13976] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13976, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13977 attached
, child_tidptr=0x555555bcb690) = 13977
[pid 13977] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13977] setpgid(0, 0)               = 0
[pid 13977] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13977] write(3, "1000", 4)         = 4
[pid 13977] close(3)                    = 0
[pid 13977] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13977] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13977] pipe2([3, 4], 0)            = 0
[pid 13977] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13977] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13977] sync()                      = 0
[pid 13977] exit_group(0)               = ?
[pid 13977] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13977, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13978 attached
, child_tidptr=0x555555bcb690) = 13978
[pid 13978] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13978] setpgid(0, 0)               = 0
[pid 13978] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13978] write(3, "1000", 4)         = 4
[pid 13978] close(3)                    = 0
[pid 13978] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13978] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13978] pipe2([3, 4], 0)            = 0
[pid 13978] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13978] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13978] sync()                      = 0
[pid 13978] exit_group(0)               = ?
[pid 13978] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13978, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13979 attached
, child_tidptr=0x555555bcb690) = 13979
[pid 13979] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13979] setpgid(0, 0)               = 0
[pid 13979] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13979] write(3, "1000", 4)         = 4
[pid 13979] close(3)                    = 0
[pid 13979] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13979] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13979] pipe2([3, 4], 0)            = 0
[pid 13979] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13979] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13979] sync()                      = 0
[pid 13979] exit_group(0)               = ?
[pid 13979] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13979, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13980 attached
, child_tidptr=0x555555bcb690) = 13980
[pid 13980] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13980] setpgid(0, 0)               = 0
[pid 13980] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13980] write(3, "1000", 4)         = 4
[pid 13980] close(3)                    = 0
[pid 13980] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13980] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13980] pipe2([3, 4], 0)            = 0
[pid 13980] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13980] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13980] sync()                      = 0
[pid 13980] exit_group(0)               = ?
[pid 13980] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13980, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13981
./strace-static-x86_64: Process 13981 attached
[pid 13981] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13981] setpgid(0, 0)               = 0
[pid 13981] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13981] write(3, "1000", 4)         = 4
[pid 13981] close(3)                    = 0
[pid 13981] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13981] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13981] pipe2([3, 4], 0)            = 0
[pid 13981] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13981] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13981] sync()                      = 0
[pid 13981] exit_group(0)               = ?
[pid 13981] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13981, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13982
./strace-static-x86_64: Process 13982 attached
[pid 13982] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13982] setpgid(0, 0)               = 0
[pid 13982] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13982] write(3, "1000", 4)         = 4
[pid 13982] close(3)                    = 0
[pid 13982] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13982] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13982] pipe2([3, 4], 0)            = 0
[pid 13982] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13982] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13982] sync()                      = 0
[pid 13982] exit_group(0)               = ?
[pid 13982] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13982, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13983 attached
, child_tidptr=0x555555bcb690) = 13983
[pid 13983] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13983] setpgid(0, 0)               = 0
[pid 13983] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13983] write(3, "1000", 4)         = 4
[pid 13983] close(3)                    = 0
[pid 13983] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13983] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13983] pipe2([3, 4], 0)            = 0
[pid 13983] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13983] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13983] sync()                      = 0
[pid 13983] exit_group(0)               = ?
[pid 13983] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13983, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13984 attached
, child_tidptr=0x555555bcb690) = 13984
[pid 13984] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13984] setpgid(0, 0)               = 0
[pid 13984] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13984] write(3, "1000", 4)         = 4
[pid 13984] close(3)                    = 0
[pid 13984] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13984] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13984] pipe2([3, 4], 0)            = 0
[pid 13984] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13984] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13984] sync()                      = 0
[pid 13984] exit_group(0)               = ?
[pid 13984] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13984, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13985
./strace-static-x86_64: Process 13985 attached
[pid 13985] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13985] setpgid(0, 0)               = 0
[pid 13985] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13985] write(3, "1000", 4)         = 4
[pid 13985] close(3)                    = 0
[pid 13985] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13985] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13985] pipe2([3, 4], 0)            = 0
[pid 13985] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13985] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13985] sync()                      = 0
[pid 13985] exit_group(0)               = ?
[pid 13985] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13985, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13986 attached
, child_tidptr=0x555555bcb690) = 13986
[pid 13986] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13986] setpgid(0, 0)               = 0
[pid 13986] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13986] write(3, "1000", 4)         = 4
[pid 13986] close(3)                    = 0
[pid 13986] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13986] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13986] pipe2([3, 4], 0)            = 0
[pid 13986] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13986] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13986] sync()                      = 0
[pid 13986] exit_group(0)               = ?
[pid 13986] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13986, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13987
./strace-static-x86_64: Process 13987 attached
[pid 13987] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13987] setpgid(0, 0)               = 0
[pid 13987] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13987] write(3, "1000", 4)         = 4
[pid 13987] close(3)                    = 0
[pid 13987] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13987] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13987] pipe2([3, 4], 0)            = 0
[pid 13987] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13987] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13987] sync()                      = 0
[pid 13987] exit_group(0)               = ?
[pid 13987] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13987, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13988
./strace-static-x86_64: Process 13988 attached
[pid 13988] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13988] setpgid(0, 0)               = 0
[pid 13988] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13988] write(3, "1000", 4)         = 4
[pid 13988] close(3)                    = 0
[pid 13988] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13988] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13988] pipe2([3, 4], 0)            = 0
[pid 13988] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13988] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13988] sync()                      = 0
[pid 13988] exit_group(0)               = ?
[pid 13988] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13988, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13989 attached
, child_tidptr=0x555555bcb690) = 13989
[pid 13989] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13989] setpgid(0, 0)               = 0
[pid 13989] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13989] write(3, "1000", 4)         = 4
[pid 13989] close(3)                    = 0
[pid 13989] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13989] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13989] pipe2([3, 4], 0)            = 0
[pid 13989] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13989] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13989] sync()                      = 0
[pid 13989] exit_group(0)               = ?
[pid 13989] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13989, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13990 attached
, child_tidptr=0x555555bcb690) = 13990
[pid 13990] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13990] setpgid(0, 0)               = 0
[pid 13990] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13990] write(3, "1000", 4)         = 4
[pid 13990] close(3)                    = 0
[pid 13990] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13990] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13990] pipe2([3, 4], 0)            = 0
[pid 13990] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13990] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13990] sync()                      = 0
[pid 13990] exit_group(0)               = ?
[pid 13990] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13990, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13991 attached
, child_tidptr=0x555555bcb690) = 13991
[pid 13991] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13991] setpgid(0, 0)               = 0
[pid 13991] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13991] write(3, "1000", 4)         = 4
[pid 13991] close(3)                    = 0
[pid 13991] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13991] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13991] pipe2([3, 4], 0)            = 0
[pid 13991] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13991] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13991] sync()                      = 0
[pid 13991] exit_group(0)               = ?
[pid 13991] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13991, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13992
./strace-static-x86_64: Process 13992 attached
[pid 13992] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13992] setpgid(0, 0)               = 0
[pid 13992] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13992] write(3, "1000", 4)         = 4
[pid 13992] close(3)                    = 0
[pid 13992] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13992] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13992] pipe2([3, 4], 0)            = 0
[pid 13992] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13992] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13992] sync()                      = 0
[pid 13992] exit_group(0)               = ?
[pid 13992] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13992, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13993 attached
, child_tidptr=0x555555bcb690) = 13993
[pid 13993] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13993] setpgid(0, 0)               = 0
[pid 13993] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13993] write(3, "1000", 4)         = 4
[pid 13993] close(3)                    = 0
[pid 13993] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13993] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13993] pipe2([3, 4], 0)            = 0
[pid 13993] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13993] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13993] sync()                      = 0
[pid 13993] exit_group(0)               = ?
[pid 13993] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13993, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13994 attached
, child_tidptr=0x555555bcb690) = 13994
[pid 13994] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13994] setpgid(0, 0)               = 0
[pid 13994] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13994] write(3, "1000", 4)         = 4
[pid 13994] close(3)                    = 0
[pid 13994] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13994] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13994] pipe2([3, 4], 0)            = 0
[pid 13994] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13994] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13994] sync()                      = 0
[pid 13994] exit_group(0)               = ?
[pid 13994] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13994, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13995 attached
, child_tidptr=0x555555bcb690) = 13995
[pid 13995] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13995] setpgid(0, 0)               = 0
[pid 13995] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13995] write(3, "1000", 4)         = 4
[pid 13995] close(3)                    = 0
[pid 13995] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13995] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13995] pipe2([3, 4], 0)            = 0
[pid 13995] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13995] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13995] sync()                      = 0
[pid 13995] exit_group(0)               = ?
[pid 13995] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13995, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13996 attached
, child_tidptr=0x555555bcb690) = 13996
[pid 13996] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13996] setpgid(0, 0)               = 0
[pid 13996] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13996] write(3, "1000", 4)         = 4
[pid 13996] close(3)                    = 0
[pid 13996] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13996] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13996] pipe2([3, 4], 0)            = 0
[pid 13996] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13996] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13996] sync()                      = 0
[pid 13996] exit_group(0)               = ?
[pid 13996] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13996, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13997
./strace-static-x86_64: Process 13997 attached
[pid 13997] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13997] setpgid(0, 0)               = 0
[pid 13997] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13997] write(3, "1000", 4)         = 4
[pid 13997] close(3)                    = 0
[pid 13997] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13997] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13997] pipe2([3, 4], 0)            = 0
[pid 13997] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13997] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13997] sync()                      = 0
[pid 13997] exit_group(0)               = ?
[pid 13997] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13997, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 13998
./strace-static-x86_64: Process 13998 attached
[pid 13998] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13998] setpgid(0, 0)               = 0
[pid 13998] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13998] write(3, "1000", 4)         = 4
[pid 13998] close(3)                    = 0
[pid 13998] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13998] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13998] pipe2([3, 4], 0)            = 0
[pid 13998] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13998] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13998] sync()                      = 0
[pid 13998] exit_group(0)               = ?
[pid 13998] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13998, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 13999 attached
, child_tidptr=0x555555bcb690) = 13999
[pid 13999] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 13999] setpgid(0, 0)               = 0
[pid 13999] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 13999] write(3, "1000", 4)         = 4
[pid 13999] close(3)                    = 0
[pid 13999] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 13999] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 13999] pipe2([3, 4], 0)            = 0
[pid 13999] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 13999] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 13999] sync()                      = 0
[pid 13999] exit_group(0)               = ?
[pid 13999] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13999, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14000
./strace-static-x86_64: Process 14000 attached
[pid 14000] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14000] setpgid(0, 0)               = 0
[pid 14000] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14000] write(3, "1000", 4)         = 4
[pid 14000] close(3)                    = 0
[pid 14000] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14000] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14000] pipe2([3, 4], 0)            = 0
[pid 14000] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14000] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14000] sync()                      = 0
[pid 14000] exit_group(0)               = ?
[pid 14000] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14000, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14001 attached
, child_tidptr=0x555555bcb690) = 14001
[pid 14001] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14001] setpgid(0, 0)               = 0
[pid 14001] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14001] write(3, "1000", 4)         = 4
[pid 14001] close(3)                    = 0
[pid 14001] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14001] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14001] pipe2([3, 4], 0)            = 0
[pid 14001] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14001] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14001] sync()                      = 0
[pid 14001] exit_group(0)               = ?
[pid 14001] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14001, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14002 attached
, child_tidptr=0x555555bcb690) = 14002
[pid 14002] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14002] setpgid(0, 0)               = 0
[pid 14002] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14002] write(3, "1000", 4)         = 4
[pid 14002] close(3)                    = 0
[pid 14002] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14002] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14002] pipe2([3, 4], 0)            = 0
[pid 14002] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14002] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14002] sync()                      = 0
[pid 14002] exit_group(0)               = ?
[pid 14002] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14002, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14003
./strace-static-x86_64: Process 14003 attached
[pid 14003] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14003] setpgid(0, 0)               = 0
[pid 14003] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14003] write(3, "1000", 4)         = 4
[pid 14003] close(3)                    = 0
[pid 14003] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14003] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14003] pipe2([3, 4], 0)            = 0
[pid 14003] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14003] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14003] sync()                      = 0
[pid 14003] exit_group(0)               = ?
[pid 14003] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14003, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14004 attached
, child_tidptr=0x555555bcb690) = 14004
[pid 14004] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14004] setpgid(0, 0)               = 0
[pid 14004] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14004] write(3, "1000", 4)         = 4
[pid 14004] close(3)                    = 0
[pid 14004] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14004] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14004] pipe2([3, 4], 0)            = 0
[pid 14004] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14004] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14004] sync()                      = 0
[pid 14004] exit_group(0)               = ?
[pid 14004] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14004, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14005
./strace-static-x86_64: Process 14005 attached
[pid 14005] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14005] setpgid(0, 0)               = 0
[pid 14005] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14005] write(3, "1000", 4)         = 4
[pid 14005] close(3)                    = 0
[pid 14005] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14005] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14005] pipe2([3, 4], 0)            = 0
[pid 14005] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14005] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14005] sync()                      = 0
[pid 14005] exit_group(0)               = ?
[pid 14005] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14005, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14006
./strace-static-x86_64: Process 14006 attached
[pid 14006] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14006] setpgid(0, 0)               = 0
[pid 14006] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14006] write(3, "1000", 4)         = 4
[pid 14006] close(3)                    = 0
[pid 14006] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14006] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14006] pipe2([3, 4], 0)            = 0
[pid 14006] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14006] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14006] sync()                      = 0
[pid 14006] exit_group(0)               = ?
[pid 14006] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14006, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14007 attached
, child_tidptr=0x555555bcb690) = 14007
[pid 14007] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14007] setpgid(0, 0)               = 0
[pid 14007] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14007] write(3, "1000", 4)         = 4
[pid 14007] close(3)                    = 0
[pid 14007] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14007] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14007] pipe2([3, 4], 0)            = 0
[pid 14007] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14007] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14007] sync()                      = 0
[pid 14007] exit_group(0)               = ?
[pid 14007] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14007, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14008 attached
, child_tidptr=0x555555bcb690) = 14008
[pid 14008] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14008] setpgid(0, 0)               = 0
[pid 14008] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14008] write(3, "1000", 4)         = 4
[pid 14008] close(3)                    = 0
[pid 14008] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14008] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14008] pipe2([3, 4], 0)            = 0
[pid 14008] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14008] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14008] sync()                      = 0
[pid 14008] exit_group(0)               = ?
[pid 14008] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14008, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14009 attached
, child_tidptr=0x555555bcb690) = 14009
[pid 14009] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14009] setpgid(0, 0)               = 0
[pid 14009] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14009] write(3, "1000", 4)         = 4
[pid 14009] close(3)                    = 0
[pid 14009] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14009] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14009] pipe2([3, 4], 0)            = 0
[pid 14009] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14009] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14009] sync()                      = 0
[pid 14009] exit_group(0)               = ?
[pid 14009] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14009, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14010
./strace-static-x86_64: Process 14010 attached
[pid 14010] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14010] setpgid(0, 0)               = 0
[pid 14010] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14010] write(3, "1000", 4)         = 4
[pid 14010] close(3)                    = 0
[pid 14010] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14010] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14010] pipe2([3, 4], 0)            = 0
[pid 14010] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14010] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14010] sync()                      = 0
[pid 14010] exit_group(0)               = ?
[pid 14010] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14010, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14011 attached
, child_tidptr=0x555555bcb690) = 14011
[pid 14011] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14011] setpgid(0, 0)               = 0
[pid 14011] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14011] write(3, "1000", 4)         = 4
[pid 14011] close(3)                    = 0
[pid 14011] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14011] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14011] pipe2([3, 4], 0)            = 0
[pid 14011] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14011] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14011] sync()                      = 0
[pid 14011] exit_group(0)               = ?
[pid 14011] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14011, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14012 attached
 <unfinished ...>
[pid 14012] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14012] setpgid(0, 0 <unfinished ...>
[pid  3603] <... clone resumed>, child_tidptr=0x555555bcb690) = 14012
[pid 14012] <... setpgid resumed>)      = 0
[pid 14012] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14012] write(3, "1000", 4)         = 4
[pid 14012] close(3)                    = 0
[pid 14012] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14012] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14012] pipe2([3, 4], 0)            = 0
[pid 14012] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14012] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14012] sync()                      = 0
[pid 14012] exit_group(0)               = ?
[pid 14012] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14012, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14013
./strace-static-x86_64: Process 14013 attached
[pid 14013] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14013] setpgid(0, 0)               = 0
[pid 14013] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14013] write(3, "1000", 4)         = 4
[pid 14013] close(3)                    = 0
[pid 14013] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14013] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14013] pipe2([3, 4], 0)            = 0
[pid 14013] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14013] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14013] sync()                      = 0
[pid 14013] exit_group(0)               = ?
[pid 14013] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14013, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14014
./strace-static-x86_64: Process 14014 attached
[pid 14014] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14014] setpgid(0, 0)               = 0
[pid 14014] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14014] write(3, "1000", 4)         = 4
[pid 14014] close(3)                    = 0
[pid 14014] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14014] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14014] pipe2([3, 4], 0)            = 0
[pid 14014] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14014] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14014] sync()                      = 0
[pid 14014] exit_group(0)               = ?
[pid 14014] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14014, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14015
./strace-static-x86_64: Process 14015 attached
[pid 14015] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14015] setpgid(0, 0)               = 0
[pid 14015] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14015] write(3, "1000", 4)         = 4
[pid 14015] close(3)                    = 0
[pid 14015] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14015] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14015] pipe2([3, 4], 0)            = 0
[pid 14015] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14015] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14015] sync()                      = 0
[pid 14015] exit_group(0)               = ?
[pid 14015] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14015, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14016
./strace-static-x86_64: Process 14016 attached
[pid 14016] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14016] setpgid(0, 0)               = 0
[pid 14016] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14016] write(3, "1000", 4)         = 4
[pid 14016] close(3)                    = 0
[pid 14016] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14016] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14016] pipe2([3, 4], 0)            = 0
[pid 14016] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14016] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14016] sync()                      = 0
[pid 14016] exit_group(0)               = ?
[pid 14016] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14016, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14017 attached
, child_tidptr=0x555555bcb690) = 14017
[pid 14017] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14017] setpgid(0, 0)               = 0
[pid 14017] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14017] write(3, "1000", 4)         = 4
[pid 14017] close(3)                    = 0
[pid 14017] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14017] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14017] pipe2([3, 4], 0)            = 0
[pid 14017] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14017] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14017] sync()                      = 0
[pid 14017] exit_group(0)               = ?
[pid 14017] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14017, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14018 attached
, child_tidptr=0x555555bcb690) = 14018
[pid 14018] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14018] setpgid(0, 0)               = 0
[pid 14018] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14018] write(3, "1000", 4)         = 4
[pid 14018] close(3)                    = 0
[pid 14018] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14018] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14018] pipe2([3, 4], 0)            = 0
[pid 14018] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14018] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14018] sync()                      = 0
[pid 14018] exit_group(0)               = ?
[pid 14018] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14018, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14019 attached
, child_tidptr=0x555555bcb690) = 14019
[pid 14019] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14019] setpgid(0, 0)               = 0
[pid 14019] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14019] write(3, "1000", 4)         = 4
[pid 14019] close(3)                    = 0
[pid 14019] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14019] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14019] pipe2([3, 4], 0)            = 0
[pid 14019] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14019] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14019] sync()                      = 0
[pid 14019] exit_group(0)               = ?
[pid 14019] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14019, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14020 attached
, child_tidptr=0x555555bcb690) = 14020
[pid 14020] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14020] setpgid(0, 0)               = 0
[pid 14020] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14020] write(3, "1000", 4)         = 4
[pid 14020] close(3)                    = 0
[pid 14020] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14020] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14020] pipe2([3, 4], 0)            = 0
[pid 14020] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14020] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14020] sync()                      = 0
[pid 14020] exit_group(0)               = ?
[pid 14020] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14020, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14021
./strace-static-x86_64: Process 14021 attached
[pid 14021] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14021] setpgid(0, 0)               = 0
[pid 14021] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14021] write(3, "1000", 4)         = 4
[pid 14021] close(3)                    = 0
[pid 14021] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14021] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14021] pipe2([3, 4], 0)            = 0
[pid 14021] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14021] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14021] sync()                      = 0
[pid 14021] exit_group(0)               = ?
[pid 14021] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14021, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14022
./strace-static-x86_64: Process 14022 attached
[pid 14022] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14022] setpgid(0, 0)               = 0
[pid 14022] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14022] write(3, "1000", 4)         = 4
[pid 14022] close(3)                    = 0
[pid 14022] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14022] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14022] pipe2([3, 4], 0)            = 0
[pid 14022] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14022] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14022] sync()                      = 0
[pid 14022] exit_group(0)               = ?
[pid 14022] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14022, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14023 attached
, child_tidptr=0x555555bcb690) = 14023
[pid 14023] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14023] setpgid(0, 0)               = 0
[pid 14023] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14023] write(3, "1000", 4)         = 4
[pid 14023] close(3)                    = 0
[pid 14023] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14023] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14023] pipe2([3, 4], 0)            = 0
[pid 14023] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14023] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14023] sync()                      = 0
[pid 14023] exit_group(0)               = ?
[pid 14023] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14023, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14024 attached
, child_tidptr=0x555555bcb690) = 14024
[pid 14024] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14024] setpgid(0, 0)               = 0
[pid 14024] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14024] write(3, "1000", 4)         = 4
[pid 14024] close(3)                    = 0
[pid 14024] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14024] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14024] pipe2([3, 4], 0)            = 0
[pid 14024] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14024] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14024] sync()                      = 0
[pid 14024] exit_group(0)               = ?
[pid 14024] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14024, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14025 attached
, child_tidptr=0x555555bcb690) = 14025
[pid 14025] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14025] setpgid(0, 0)               = 0
[pid 14025] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14025] write(3, "1000", 4)         = 4
[pid 14025] close(3)                    = 0
[pid 14025] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14025] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14025] pipe2([3, 4], 0)            = 0
[pid 14025] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14025] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14025] sync()                      = 0
[pid 14025] exit_group(0)               = ?
[pid 14025] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14025, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14026
./strace-static-x86_64: Process 14026 attached
[pid 14026] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14026] setpgid(0, 0)               = 0
[pid 14026] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14026] write(3, "1000", 4)         = 4
[pid 14026] close(3)                    = 0
[pid 14026] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14026] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14026] pipe2([3, 4], 0)            = 0
[pid 14026] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14026] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14026] sync()                      = 0
[pid 14026] exit_group(0)               = ?
[pid 14026] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14026, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14027
./strace-static-x86_64: Process 14027 attached
[pid 14027] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14027] setpgid(0, 0)               = 0
[pid 14027] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14027] write(3, "1000", 4)         = 4
[pid 14027] close(3)                    = 0
[pid 14027] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14027] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14027] pipe2([3, 4], 0)            = 0
[pid 14027] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14027] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14027] sync()                      = 0
[pid 14027] exit_group(0)               = ?
[pid 14027] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14027, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14028 attached
, child_tidptr=0x555555bcb690) = 14028
[pid 14028] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14028] setpgid(0, 0)               = 0
[pid 14028] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14028] write(3, "1000", 4)         = 4
[pid 14028] close(3)                    = 0
[pid 14028] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14028] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14028] pipe2([3, 4], 0)            = 0
[pid 14028] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14028] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14028] sync()                      = 0
[pid 14028] exit_group(0)               = ?
[pid 14028] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14028, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14029 attached
, child_tidptr=0x555555bcb690) = 14029
[pid 14029] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14029] setpgid(0, 0)               = 0
[pid 14029] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14029] write(3, "1000", 4)         = 4
[pid 14029] close(3)                    = 0
[pid 14029] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14029] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14029] pipe2([3, 4], 0)            = 0
[pid 14029] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14029] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14029] sync()                      = 0
[pid 14029] exit_group(0)               = ?
[pid 14029] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14029, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14030 attached
, child_tidptr=0x555555bcb690) = 14030
[pid 14030] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14030] setpgid(0, 0)               = 0
[pid 14030] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14030] write(3, "1000", 4)         = 4
[pid 14030] close(3)                    = 0
[pid 14030] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14030] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14030] pipe2([3, 4], 0)            = 0
[pid 14030] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14030] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14030] sync()                      = 0
[pid 14030] exit_group(0)               = ?
[pid 14030] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14030, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14031 attached
, child_tidptr=0x555555bcb690) = 14031
[pid 14031] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14031] setpgid(0, 0)               = 0
[pid 14031] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14031] write(3, "1000", 4)         = 4
[pid 14031] close(3)                    = 0
[pid 14031] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14031] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14031] pipe2([3, 4], 0)            = 0
[pid 14031] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14031] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14031] sync()                      = 0
[pid 14031] exit_group(0)               = ?
[pid 14031] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14031, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14032 attached
, child_tidptr=0x555555bcb690) = 14032
[pid 14032] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14032] setpgid(0, 0)               = 0
[pid 14032] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14032] write(3, "1000", 4)         = 4
[pid 14032] close(3)                    = 0
[pid 14032] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14032] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14032] pipe2([3, 4], 0)            = 0
[pid 14032] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14032] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14032] sync()                      = 0
[pid 14032] exit_group(0)               = ?
[pid 14032] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14032, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14033
./strace-static-x86_64: Process 14033 attached
[pid 14033] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14033] setpgid(0, 0)               = 0
[pid 14033] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14033] write(3, "1000", 4)         = 4
[pid 14033] close(3)                    = 0
[pid 14033] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14033] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14033] pipe2([3, 4], 0)            = 0
[pid 14033] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14033] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14033] sync()                      = 0
[pid 14033] exit_group(0)               = ?
[pid 14033] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14033, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14034 attached
 <unfinished ...>
[pid 14034] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14034] setpgid(0, 0)               = 0
[pid  3603] <... clone resumed>, child_tidptr=0x555555bcb690) = 14034
[pid 14034] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14034] write(3, "1000", 4)         = 4
[pid 14034] close(3)                    = 0
[pid 14034] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14034] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14034] pipe2([3, 4], 0)            = 0
[pid 14034] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14034] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14034] sync()                      = 0
[pid 14034] exit_group(0)               = ?
[pid 14034] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14034, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14035
./strace-static-x86_64: Process 14035 attached
[pid 14035] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14035] setpgid(0, 0)               = 0
[pid 14035] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14035] write(3, "1000", 4)         = 4
[pid 14035] close(3)                    = 0
[pid 14035] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14035] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14035] pipe2([3, 4], 0)            = 0
[pid 14035] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14035] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14035] sync()                      = 0
[pid 14035] exit_group(0)               = ?
[pid 14035] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14035, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14036
./strace-static-x86_64: Process 14036 attached
[pid 14036] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14036] setpgid(0, 0)               = 0
[pid 14036] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14036] write(3, "1000", 4)         = 4
[pid 14036] close(3)                    = 0
[pid 14036] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14036] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14036] pipe2([3, 4], 0)            = 0
[pid 14036] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14036] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14036] sync()                      = 0
[pid 14036] exit_group(0)               = ?
[pid 14036] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14036, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14037 attached
, child_tidptr=0x555555bcb690) = 14037
[pid 14037] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14037] setpgid(0, 0)               = 0
[pid 14037] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14037] write(3, "1000", 4)         = 4
[pid 14037] close(3)                    = 0
[pid 14037] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14037] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14037] pipe2([3, 4], 0)            = 0
[pid 14037] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14037] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14037] sync()                      = 0
[pid 14037] exit_group(0)               = ?
[pid 14037] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14037, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14038
./strace-static-x86_64: Process 14038 attached
[pid 14038] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14038] setpgid(0, 0)               = 0
[pid 14038] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14038] write(3, "1000", 4)         = 4
[pid 14038] close(3)                    = 0
[pid 14038] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14038] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14038] pipe2([3, 4], 0)            = 0
[pid 14038] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14038] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14038] sync()                      = 0
[pid 14038] exit_group(0)               = ?
[pid 14038] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14038, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14039
./strace-static-x86_64: Process 14039 attached
[pid 14039] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14039] setpgid(0, 0)               = 0
[pid 14039] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14039] write(3, "1000", 4)         = 4
[pid 14039] close(3)                    = 0
[pid 14039] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14039] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14039] pipe2([3, 4], 0)            = 0
[pid 14039] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14039] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14039] sync()                      = 0
[pid 14039] exit_group(0)               = ?
[pid 14039] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14039, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14040
./strace-static-x86_64: Process 14040 attached
[pid 14040] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14040] setpgid(0, 0)               = 0
[pid 14040] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14040] write(3, "1000", 4)         = 4
[pid 14040] close(3)                    = 0
[pid 14040] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14040] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14040] pipe2([3, 4], 0)            = 0
[pid 14040] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14040] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14040] sync()                      = 0
[pid 14040] exit_group(0)               = ?
[pid 14040] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14040, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14041 attached
, child_tidptr=0x555555bcb690) = 14041
[pid 14041] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14041] setpgid(0, 0)               = 0
[pid 14041] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14041] write(3, "1000", 4)         = 4
[pid 14041] close(3)                    = 0
[pid 14041] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14041] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14041] pipe2([3, 4], 0)            = 0
[pid 14041] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14041] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14041] sync()                      = 0
[pid 14041] exit_group(0)               = ?
[pid 14041] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14041, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14042 attached
, child_tidptr=0x555555bcb690) = 14042
[pid 14042] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14042] setpgid(0, 0)               = 0
[pid 14042] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14042] write(3, "1000", 4)         = 4
[pid 14042] close(3)                    = 0
[pid 14042] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14042] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14042] pipe2([3, 4], 0)            = 0
[pid 14042] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14042] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14042] sync()                      = 0
[pid 14042] exit_group(0)               = ?
[pid 14042] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14042, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14043
./strace-static-x86_64: Process 14043 attached
[pid 14043] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14043] setpgid(0, 0)               = 0
[pid 14043] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14043] write(3, "1000", 4)         = 4
[pid 14043] close(3)                    = 0
[pid 14043] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14043] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14043] pipe2([3, 4], 0)            = 0
[pid 14043] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14043] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14043] sync()                      = 0
[pid 14043] exit_group(0)               = ?
[pid 14043] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14043, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14044
./strace-static-x86_64: Process 14044 attached
[pid 14044] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14044] setpgid(0, 0)               = 0
[pid 14044] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14044] write(3, "1000", 4)         = 4
[pid 14044] close(3)                    = 0
[pid 14044] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14044] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14044] pipe2([3, 4], 0)            = 0
[pid 14044] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14044] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14044] sync()                      = 0
[pid 14044] exit_group(0)               = ?
[pid 14044] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14044, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14045
./strace-static-x86_64: Process 14045 attached
[pid 14045] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14045] setpgid(0, 0)               = 0
[pid 14045] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14045] write(3, "1000", 4)         = 4
[pid 14045] close(3)                    = 0
[pid 14045] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14045] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14045] pipe2([3, 4], 0)            = 0
[pid 14045] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14045] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14045] sync()                      = 0
[pid 14045] exit_group(0)               = ?
[pid 14045] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14045, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14046 attached
 <unfinished ...>
[pid 14046] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3603] <... clone resumed>, child_tidptr=0x555555bcb690) = 14046
[pid 14046] <... prctl resumed>)        = 0
[pid 14046] setpgid(0, 0)               = 0
[pid 14046] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14046] write(3, "1000", 4)         = 4
[pid 14046] close(3)                    = 0
[pid 14046] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14046] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14046] pipe2([3, 4], 0)            = 0
[pid 14046] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14046] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14046] sync()                      = 0
[pid 14046] exit_group(0)               = ?
[pid 14046] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14046, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14047
./strace-static-x86_64: Process 14047 attached
[pid 14047] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14047] setpgid(0, 0)               = 0
[pid 14047] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14047] write(3, "1000", 4)         = 4
[pid 14047] close(3)                    = 0
[pid 14047] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14047] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14047] pipe2([3, 4], 0)            = 0
[pid 14047] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14047] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14047] sync()                      = 0
[pid 14047] exit_group(0)               = ?
[pid 14047] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14047, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14048 attached
, child_tidptr=0x555555bcb690) = 14048
[pid 14048] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14048] setpgid(0, 0)               = 0
[pid 14048] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14048] write(3, "1000", 4)         = 4
[pid 14048] close(3)                    = 0
[pid 14048] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14048] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14048] pipe2([3, 4], 0)            = 0
[pid 14048] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14048] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14048] sync()                      = 0
[pid 14048] exit_group(0)               = ?
[pid 14048] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14048, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14049 attached
, child_tidptr=0x555555bcb690) = 14049
[pid 14049] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14049] setpgid(0, 0)               = 0
[pid 14049] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14049] write(3, "1000", 4)         = 4
[pid 14049] close(3)                    = 0
[pid 14049] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14049] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14049] pipe2([3, 4], 0)            = 0
[pid 14049] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14049] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14049] sync()                      = 0
[pid 14049] exit_group(0)               = ?
[pid 14049] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14049, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14050 attached
, child_tidptr=0x555555bcb690) = 14050
[pid 14050] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14050] setpgid(0, 0)               = 0
[pid 14050] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14050] write(3, "1000", 4)         = 4
[pid 14050] close(3)                    = 0
[pid 14050] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14050] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14050] pipe2([3, 4], 0)            = 0
[pid 14050] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14050] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14050] sync()                      = 0
[pid 14050] exit_group(0)               = ?
[pid 14050] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14050, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14051 attached
, child_tidptr=0x555555bcb690) = 14051
[pid 14051] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14051] setpgid(0, 0)               = 0
[pid 14051] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14051] write(3, "1000", 4)         = 4
[pid 14051] close(3)                    = 0
[pid 14051] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14051] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14051] pipe2([3, 4], 0)            = 0
[pid 14051] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14051] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14051] sync()                      = 0
[pid 14051] exit_group(0)               = ?
[pid 14051] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14051, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14052 attached
, child_tidptr=0x555555bcb690) = 14052
[pid 14052] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14052] setpgid(0, 0)               = 0
[pid 14052] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14052] write(3, "1000", 4)         = 4
[pid 14052] close(3)                    = 0
[pid 14052] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14052] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14052] pipe2([3, 4], 0)            = 0
[pid 14052] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14052] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14052] sync()                      = 0
[pid 14052] exit_group(0)               = ?
[pid 14052] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14052, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14053 attached
, child_tidptr=0x555555bcb690) = 14053
[pid 14053] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14053] setpgid(0, 0)               = 0
[pid 14053] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14053] write(3, "1000", 4)         = 4
[pid 14053] close(3)                    = 0
[pid 14053] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14053] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14053] pipe2([3, 4], 0)            = 0
[pid 14053] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14053] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14053] sync()                      = 0
[pid 14053] exit_group(0)               = ?
[pid 14053] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14053, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14054
./strace-static-x86_64: Process 14054 attached
[pid 14054] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14054] setpgid(0, 0)               = 0
[pid 14054] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14054] write(3, "1000", 4)         = 4
[pid 14054] close(3)                    = 0
[pid 14054] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14054] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14054] pipe2([3, 4], 0)            = 0
[pid 14054] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14054] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14054] sync()                      = 0
[pid 14054] exit_group(0)               = ?
[pid 14054] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14054, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14055
./strace-static-x86_64: Process 14055 attached
[pid 14055] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14055] setpgid(0, 0)               = 0
[pid 14055] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14055] write(3, "1000", 4)         = 4
[pid 14055] close(3)                    = 0
[pid 14055] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14055] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14055] pipe2([3, 4], 0)            = 0
[pid 14055] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14055] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14055] sync()                      = 0
[pid 14055] exit_group(0)               = ?
[pid 14055] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14055, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14056 attached
, child_tidptr=0x555555bcb690) = 14056
[pid 14056] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14056] setpgid(0, 0)               = 0
[pid 14056] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14056] write(3, "1000", 4)         = 4
[pid 14056] close(3)                    = 0
[pid 14056] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14056] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14056] pipe2([3, 4], 0)            = 0
[pid 14056] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14056] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14056] sync()                      = 0
[pid 14056] exit_group(0)               = ?
[pid 14056] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14056, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14057 attached
, child_tidptr=0x555555bcb690) = 14057
[pid 14057] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14057] setpgid(0, 0)               = 0
[pid 14057] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14057] write(3, "1000", 4)         = 4
[pid 14057] close(3)                    = 0
[pid 14057] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14057] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14057] pipe2([3, 4], 0)            = 0
[pid 14057] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14057] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14057] sync()                      = 0
[pid 14057] exit_group(0)               = ?
[pid 14057] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14057, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14058 attached
, child_tidptr=0x555555bcb690) = 14058
[pid 14058] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14058] setpgid(0, 0)               = 0
[pid 14058] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14058] write(3, "1000", 4)         = 4
[pid 14058] close(3)                    = 0
[pid 14058] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14058] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14058] pipe2([3, 4], 0)            = 0
[pid 14058] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14058] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14058] sync()                      = 0
[pid 14058] exit_group(0)               = ?
[pid 14058] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14058, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14059 attached
, child_tidptr=0x555555bcb690) = 14059
[pid 14059] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14059] setpgid(0, 0)               = 0
[pid 14059] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14059] write(3, "1000", 4)         = 4
[pid 14059] close(3)                    = 0
[pid 14059] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14059] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14059] pipe2([3, 4], 0)            = 0
[pid 14059] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14059] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14059] sync()                      = 0
[pid 14059] exit_group(0)               = ?
[pid 14059] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14059, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14060
./strace-static-x86_64: Process 14060 attached
[pid 14060] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14060] setpgid(0, 0)               = 0
[pid 14060] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14060] write(3, "1000", 4)         = 4
[pid 14060] close(3)                    = 0
[pid 14060] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14060] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14060] pipe2([3, 4], 0)            = 0
[pid 14060] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14060] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14060] sync()                      = 0
[pid 14060] exit_group(0)               = ?
[pid 14060] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14060, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14061 attached
, child_tidptr=0x555555bcb690) = 14061
[pid 14061] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14061] setpgid(0, 0)               = 0
[pid 14061] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14061] write(3, "1000", 4)         = 4
[pid 14061] close(3)                    = 0
[pid 14061] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14061] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14061] pipe2([3, 4], 0)            = 0
[pid 14061] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14061] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14061] sync()                      = 0
[pid 14061] exit_group(0)               = ?
[pid 14061] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14061, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14062 attached
, child_tidptr=0x555555bcb690) = 14062
[pid 14062] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14062] setpgid(0, 0)               = 0
[pid 14062] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14062] write(3, "1000", 4)         = 4
[pid 14062] close(3)                    = 0
[pid 14062] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14062] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14062] pipe2([3, 4], 0)            = 0
[pid 14062] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14062] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14062] sync()                      = 0
[pid 14062] exit_group(0)               = ?
[pid 14062] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14062, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14063 attached
, child_tidptr=0x555555bcb690) = 14063
[pid 14063] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14063] setpgid(0, 0)               = 0
[pid 14063] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14063] write(3, "1000", 4)         = 4
[pid 14063] close(3)                    = 0
[pid 14063] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14063] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14063] pipe2([3, 4], 0)            = 0
[pid 14063] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14063] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14063] sync()                      = 0
[pid 14063] exit_group(0)               = ?
[pid 14063] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14063, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14064 attached
, child_tidptr=0x555555bcb690) = 14064
[pid 14064] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14064] setpgid(0, 0)               = 0
[pid 14064] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14064] write(3, "1000", 4)         = 4
[pid 14064] close(3)                    = 0
[pid 14064] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14064] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14064] pipe2([3, 4], 0)            = 0
[pid 14064] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14064] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14064] sync()                      = 0
[pid 14064] exit_group(0)               = ?
[pid 14064] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14064, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14065
./strace-static-x86_64: Process 14065 attached
[pid 14065] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14065] setpgid(0, 0)               = 0
[pid 14065] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14065] write(3, "1000", 4)         = 4
[pid 14065] close(3)                    = 0
[pid 14065] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14065] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14065] pipe2([3, 4], 0)            = 0
[pid 14065] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14065] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14065] sync()                      = 0
[pid 14065] exit_group(0)               = ?
[pid 14065] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14065, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14066
./strace-static-x86_64: Process 14066 attached
[pid 14066] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14066] setpgid(0, 0)               = 0
[pid 14066] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14066] write(3, "1000", 4)         = 4
[pid 14066] close(3)                    = 0
[pid 14066] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14066] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14066] pipe2([3, 4], 0)            = 0
[pid 14066] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14066] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14066] sync()                      = 0
[pid 14066] exit_group(0)               = ?
[pid 14066] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14066, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14067
./strace-static-x86_64: Process 14067 attached
[pid 14067] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14067] setpgid(0, 0)               = 0
[pid 14067] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14067] write(3, "1000", 4)         = 4
[pid 14067] close(3)                    = 0
[pid 14067] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14067] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14067] pipe2([3, 4], 0)            = 0
[pid 14067] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14067] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14067] sync()                      = 0
[pid 14067] exit_group(0)               = ?
[pid 14067] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14067, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14068 attached
 <unfinished ...>
[pid 14068] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3603] <... clone resumed>, child_tidptr=0x555555bcb690) = 14068
[pid 14068] <... prctl resumed>)        = 0
[pid 14068] setpgid(0, 0)               = 0
[pid 14068] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14068] write(3, "1000", 4)         = 4
[pid 14068] close(3)                    = 0
[pid 14068] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14068] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14068] pipe2([3, 4], 0)            = 0
[pid 14068] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14068] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14068] sync()                      = 0
[pid 14068] exit_group(0)               = ?
[pid 14068] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14068, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14069 attached
, child_tidptr=0x555555bcb690) = 14069
[pid 14069] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14069] setpgid(0, 0)               = 0
[pid 14069] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14069] write(3, "1000", 4)         = 4
[pid 14069] close(3)                    = 0
[pid 14069] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14069] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14069] pipe2([3, 4], 0)            = 0
[pid 14069] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14069] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14069] sync()                      = 0
[pid 14069] exit_group(0)               = ?
[pid 14069] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14069, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14070
./strace-static-x86_64: Process 14070 attached
[pid 14070] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14070] setpgid(0, 0)               = 0
[pid 14070] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14070] write(3, "1000", 4)         = 4
[pid 14070] close(3)                    = 0
[pid 14070] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14070] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14070] pipe2([3, 4], 0)            = 0
[pid 14070] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14070] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14070] sync()                      = 0
[pid 14070] exit_group(0)               = ?
[pid 14070] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14070, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14071 attached
, child_tidptr=0x555555bcb690) = 14071
[pid 14071] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14071] setpgid(0, 0)               = 0
[pid 14071] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14071] write(3, "1000", 4)         = 4
[pid 14071] close(3)                    = 0
[pid 14071] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14071] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14071] pipe2([3, 4], 0)            = 0
[pid 14071] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14071] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14071] sync()                      = 0
[pid 14071] exit_group(0)               = ?
[pid 14071] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14071, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14072 attached
, child_tidptr=0x555555bcb690) = 14072
[pid 14072] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14072] setpgid(0, 0)               = 0
[pid 14072] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14072] write(3, "1000", 4)         = 4
[pid 14072] close(3)                    = 0
[pid 14072] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14072] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14072] pipe2([3, 4], 0)            = 0
[pid 14072] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14072] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14072] sync()                      = 0
[pid 14072] exit_group(0)               = ?
[pid 14072] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14072, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14073 attached
, child_tidptr=0x555555bcb690) = 14073
[pid 14073] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14073] setpgid(0, 0)               = 0
[pid 14073] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14073] write(3, "1000", 4)         = 4
[pid 14073] close(3)                    = 0
[pid 14073] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14073] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14073] pipe2([3, 4], 0)            = 0
[pid 14073] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14073] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14073] sync()                      = 0
[pid 14073] exit_group(0)               = ?
[pid 14073] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14073, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14074 attached
, child_tidptr=0x555555bcb690) = 14074
[pid 14074] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14074] setpgid(0, 0)               = 0
[pid 14074] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14074] write(3, "1000", 4)         = 4
[pid 14074] close(3)                    = 0
[pid 14074] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14074] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14074] pipe2([3, 4], 0)            = 0
[pid 14074] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14074] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14074] sync()                      = 0
[pid 14074] exit_group(0)               = ?
[pid 14074] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14074, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14075
./strace-static-x86_64: Process 14075 attached
[pid 14075] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14075] setpgid(0, 0)               = 0
[pid 14075] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14075] write(3, "1000", 4)         = 4
[pid 14075] close(3)                    = 0
[pid 14075] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14075] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14075] pipe2([3, 4], 0)            = 0
[pid 14075] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14075] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14075] sync()                      = 0
[pid 14075] exit_group(0)               = ?
[pid 14075] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14075, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14076 attached
, child_tidptr=0x555555bcb690) = 14076
[pid 14076] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14076] setpgid(0, 0)               = 0
[pid 14076] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14076] write(3, "1000", 4)         = 4
[pid 14076] close(3)                    = 0
[pid 14076] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14076] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14076] pipe2([3, 4], 0)            = 0
[pid 14076] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14076] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14076] sync()                      = 0
[pid 14076] exit_group(0)               = ?
[pid 14076] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14076, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14077 attached
, child_tidptr=0x555555bcb690) = 14077
[pid 14077] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14077] setpgid(0, 0)               = 0
[pid 14077] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14077] write(3, "1000", 4)         = 4
[pid 14077] close(3)                    = 0
[pid 14077] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14077] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14077] pipe2([3, 4], 0)            = 0
[pid 14077] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14077] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14077] sync()                      = 0
[pid 14077] exit_group(0)               = ?
[pid 14077] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14077, si_uid=0, si_status=0, si_utime=1, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14078
./strace-static-x86_64: Process 14078 attached
[pid 14078] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14078] setpgid(0, 0)               = 0
[pid 14078] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14078] write(3, "1000", 4)         = 4
[pid 14078] close(3)                    = 0
[pid 14078] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14078] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14078] pipe2([3, 4], 0)            = 0
[pid 14078] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14078] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14078] sync()                      = 0
[pid 14078] exit_group(0)               = ?
[pid 14078] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14078, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14079
./strace-static-x86_64: Process 14079 attached
[pid 14079] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14079] setpgid(0, 0)               = 0
[pid 14079] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14079] write(3, "1000", 4)         = 4
[pid 14079] close(3)                    = 0
[pid 14079] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14079] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14079] pipe2([3, 4], 0)            = 0
[pid 14079] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14079] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14079] sync()                      = 0
[pid 14079] exit_group(0)               = ?
[pid 14079] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14079, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14080 attached
, child_tidptr=0x555555bcb690) = 14080
[pid 14080] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14080] setpgid(0, 0)               = 0
[pid 14080] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14080] write(3, "1000", 4)         = 4
[pid 14080] close(3)                    = 0
[pid 14080] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14080] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14080] pipe2([3, 4], 0)            = 0
[pid 14080] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14080] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14080] sync()                      = 0
[pid 14080] exit_group(0)               = ?
[pid 14080] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14080, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14081 attached
, child_tidptr=0x555555bcb690) = 14081
[pid 14081] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14081] setpgid(0, 0)               = 0
[pid 14081] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14081] write(3, "1000", 4)         = 4
[pid 14081] close(3)                    = 0
[pid 14081] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14081] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14081] pipe2([3, 4], 0)            = 0
[pid 14081] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14081] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14081] sync()                      = 0
[pid 14081] exit_group(0)               = ?
[pid 14081] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14081, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14082 attached
, child_tidptr=0x555555bcb690) = 14082
[pid 14082] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14082] setpgid(0, 0)               = 0
[pid 14082] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14082] write(3, "1000", 4)         = 4
[pid 14082] close(3)                    = 0
[pid 14082] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14082] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14082] pipe2([3, 4], 0)            = 0
[pid 14082] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14082] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14082] sync()                      = 0
[pid 14082] exit_group(0)               = ?
[pid 14082] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14082, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14083
./strace-static-x86_64: Process 14083 attached
[pid 14083] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14083] setpgid(0, 0)               = 0
[pid 14083] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14083] write(3, "1000", 4)         = 4
[pid 14083] close(3)                    = 0
[pid 14083] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14083] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14083] pipe2([3, 4], 0)            = 0
[pid 14083] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14083] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14083] sync()                      = 0
[pid 14083] exit_group(0)               = ?
[pid 14083] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14083, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14084
./strace-static-x86_64: Process 14084 attached
[pid 14084] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14084] setpgid(0, 0)               = 0
[pid 14084] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14084] write(3, "1000", 4)         = 4
[pid 14084] close(3)                    = 0
[pid 14084] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14084] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14084] pipe2([3, 4], 0)            = 0
[pid 14084] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14084] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14084] sync()                      = 0
[pid 14084] exit_group(0)               = ?
[pid 14084] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14084, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14085 attached
, child_tidptr=0x555555bcb690) = 14085
[pid 14085] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14085] setpgid(0, 0)               = 0
[pid 14085] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14085] write(3, "1000", 4)         = 4
[pid 14085] close(3)                    = 0
[pid 14085] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14085] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14085] pipe2([3, 4], 0)            = 0
[pid 14085] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14085] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14085] sync()                      = 0
[pid 14085] exit_group(0)               = ?
[pid 14085] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14085, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14086 attached
, child_tidptr=0x555555bcb690) = 14086
[pid 14086] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14086] setpgid(0, 0)               = 0
[pid 14086] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14086] write(3, "1000", 4)         = 4
[pid 14086] close(3)                    = 0
[pid 14086] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14086] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14086] pipe2([3, 4], 0)            = 0
[pid 14086] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14086] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14086] sync()                      = 0
[pid 14086] exit_group(0)               = ?
[pid 14086] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14086, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14087 attached
, child_tidptr=0x555555bcb690) = 14087
[pid 14087] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14087] setpgid(0, 0)               = 0
[pid 14087] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14087] write(3, "1000", 4)         = 4
[pid 14087] close(3)                    = 0
[pid 14087] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14087] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14087] pipe2([3, 4], 0)            = 0
[pid 14087] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14087] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14087] sync()                      = 0
[pid 14087] exit_group(0)               = ?
[pid 14087] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14087, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14088
./strace-static-x86_64: Process 14088 attached
[pid 14088] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14088] setpgid(0, 0)               = 0
[pid 14088] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14088] write(3, "1000", 4)         = 4
[pid 14088] close(3)                    = 0
[pid 14088] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14088] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14088] pipe2([3, 4], 0)            = 0
[pid 14088] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14088] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14088] sync()                      = 0
[pid 14088] exit_group(0)               = ?
[pid 14088] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14088, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14089 attached
, child_tidptr=0x555555bcb690) = 14089
[pid 14089] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14089] setpgid(0, 0)               = 0
[pid 14089] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14089] write(3, "1000", 4)         = 4
[pid 14089] close(3)                    = 0
[pid 14089] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14089] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14089] pipe2([3, 4], 0)            = 0
[pid 14089] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14089] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14089] sync()                      = 0
[pid 14089] exit_group(0)               = ?
[pid 14089] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14089, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14090 attached
, child_tidptr=0x555555bcb690) = 14090
[pid 14090] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14090] setpgid(0, 0)               = 0
[pid 14090] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14090] write(3, "1000", 4)         = 4
[pid 14090] close(3)                    = 0
[pid 14090] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14090] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14090] pipe2([3, 4], 0)            = 0
[pid 14090] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14090] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14090] sync()                      = 0
[pid 14090] exit_group(0)               = ?
[pid 14090] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14090, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14091 attached
, child_tidptr=0x555555bcb690) = 14091
[pid 14091] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14091] setpgid(0, 0)               = 0
[pid 14091] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14091] write(3, "1000", 4)         = 4
[pid 14091] close(3)                    = 0
[pid 14091] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14091] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14091] pipe2([3, 4], 0)            = 0
[pid 14091] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14091] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14091] sync()                      = 0
[pid 14091] exit_group(0)               = ?
[pid 14091] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14091, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14092 attached
, child_tidptr=0x555555bcb690) = 14092
[pid 14092] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14092] setpgid(0, 0)               = 0
[pid 14092] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14092] write(3, "1000", 4)         = 4
[pid 14092] close(3)                    = 0
[pid 14092] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14092] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14092] pipe2([3, 4], 0)            = 0
[pid 14092] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14092] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14092] sync()                      = 0
[pid 14092] exit_group(0)               = ?
[pid 14092] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14092, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14093
./strace-static-x86_64: Process 14093 attached
[pid 14093] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14093] setpgid(0, 0)               = 0
[pid 14093] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14093] write(3, "1000", 4)         = 4
[pid 14093] close(3)                    = 0
[pid 14093] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14093] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14093] pipe2([3, 4], 0)            = 0
[pid 14093] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14093] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14093] sync()                      = 0
[pid 14093] exit_group(0)               = ?
[pid 14093] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14093, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14094 attached
, child_tidptr=0x555555bcb690) = 14094
[pid 14094] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14094] setpgid(0, 0)               = 0
[pid 14094] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14094] write(3, "1000", 4)         = 4
[pid 14094] close(3)                    = 0
[pid 14094] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14094] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14094] pipe2([3, 4], 0)            = 0
[pid 14094] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14094] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14094] sync()                      = 0
[pid 14094] exit_group(0)               = ?
[pid 14094] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14094, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14095 attached
, child_tidptr=0x555555bcb690) = 14095
[pid 14095] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14095] setpgid(0, 0)               = 0
[pid 14095] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14095] write(3, "1000", 4)         = 4
[pid 14095] close(3)                    = 0
[pid 14095] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14095] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14095] pipe2([3, 4], 0)            = 0
[pid 14095] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14095] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14095] sync()                      = 0
[pid 14095] exit_group(0)               = ?
[pid 14095] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14095, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14096 attached
, child_tidptr=0x555555bcb690) = 14096
[pid 14096] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14096] setpgid(0, 0)               = 0
[pid 14096] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14096] write(3, "1000", 4)         = 4
[pid 14096] close(3)                    = 0
[pid 14096] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14096] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14096] pipe2([3, 4], 0)            = 0
[pid 14096] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14096] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14096] sync()                      = 0
[pid 14096] exit_group(0)               = ?
[pid 14096] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14096, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14097 attached
, child_tidptr=0x555555bcb690) = 14097
[pid 14097] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14097] setpgid(0, 0)               = 0
[pid 14097] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14097] write(3, "1000", 4)         = 4
[pid 14097] close(3)                    = 0
[pid 14097] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14097] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14097] pipe2([3, 4], 0)            = 0
[pid 14097] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14097] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14097] sync()                      = 0
[pid 14097] exit_group(0)               = ?
[pid 14097] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14097, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14098 attached
, child_tidptr=0x555555bcb690) = 14098
[pid 14098] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14098] setpgid(0, 0)               = 0
[pid 14098] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14098] write(3, "1000", 4)         = 4
[pid 14098] close(3)                    = 0
[pid 14098] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14098] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14098] pipe2([3, 4], 0)            = 0
[pid 14098] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14098] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14098] sync()                      = 0
[pid 14098] exit_group(0)               = ?
[pid 14098] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14098, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14099 attached
, child_tidptr=0x555555bcb690) = 14099
[pid 14099] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14099] setpgid(0, 0)               = 0
[pid 14099] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14099] write(3, "1000", 4)         = 4
[pid 14099] close(3)                    = 0
[pid 14099] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14099] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14099] pipe2([3, 4], 0)            = 0
[pid 14099] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14099] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14099] sync()                      = 0
[pid 14099] exit_group(0)               = ?
[pid 14099] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14099, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14100 attached
, child_tidptr=0x555555bcb690) = 14100
[pid 14100] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14100] setpgid(0, 0)               = 0
[pid 14100] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14100] write(3, "1000", 4)         = 4
[pid 14100] close(3)                    = 0
[pid 14100] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14100] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14100] pipe2([3, 4], 0)            = 0
[pid 14100] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14100] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14100] sync()                      = 0
[pid 14100] exit_group(0)               = ?
[pid 14100] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14100, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14101 attached
, child_tidptr=0x555555bcb690) = 14101
[pid 14101] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14101] setpgid(0, 0)               = 0
[pid 14101] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14101] write(3, "1000", 4)         = 4
[pid 14101] close(3)                    = 0
[pid 14101] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14101] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14101] pipe2([3, 4], 0)            = 0
[pid 14101] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14101] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14101] sync()                      = 0
[pid 14101] exit_group(0)               = ?
[pid 14101] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14101, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14102
./strace-static-x86_64: Process 14102 attached
[pid 14102] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14102] setpgid(0, 0)               = 0
[pid 14102] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14102] write(3, "1000", 4)         = 4
[pid 14102] close(3)                    = 0
[pid 14102] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14102] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14102] pipe2([3, 4], 0)            = 0
[pid 14102] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14102] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14102] sync()                      = 0
[pid 14102] exit_group(0)               = ?
[pid 14102] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14102, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14103
./strace-static-x86_64: Process 14103 attached
[pid 14103] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14103] setpgid(0, 0)               = 0
[pid 14103] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14103] write(3, "1000", 4)         = 4
[pid 14103] close(3)                    = 0
[pid 14103] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14103] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14103] pipe2([3, 4], 0)            = 0
[pid 14103] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14103] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14103] sync()                      = 0
[pid 14103] exit_group(0)               = ?
[pid 14103] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14103, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14104 attached
, child_tidptr=0x555555bcb690) = 14104
[pid 14104] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14104] setpgid(0, 0)               = 0
[pid 14104] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14104] write(3, "1000", 4)         = 4
[pid 14104] close(3)                    = 0
[pid 14104] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14104] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14104] pipe2([3, 4], 0)            = 0
[pid 14104] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14104] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14104] sync()                      = 0
[pid 14104] exit_group(0)               = ?
[pid 14104] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14104, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14105 attached
, child_tidptr=0x555555bcb690) = 14105
[pid 14105] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14105] setpgid(0, 0)               = 0
[pid 14105] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14105] write(3, "1000", 4)         = 4
[pid 14105] close(3)                    = 0
[pid 14105] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14105] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14105] pipe2([3, 4], 0)            = 0
[pid 14105] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14105] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14105] sync()                      = 0
[pid 14105] exit_group(0)               = ?
[pid 14105] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14105, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14106
./strace-static-x86_64: Process 14106 attached
[pid 14106] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14106] setpgid(0, 0)               = 0
[pid 14106] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14106] write(3, "1000", 4)         = 4
[pid 14106] close(3)                    = 0
[pid 14106] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14106] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14106] pipe2([3, 4], 0)            = 0
[pid 14106] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14106] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14106] sync()                      = 0
[pid 14106] exit_group(0)               = ?
[pid 14106] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14106, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14107 attached
, child_tidptr=0x555555bcb690) = 14107
[pid 14107] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14107] setpgid(0, 0)               = 0
[pid 14107] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14107] write(3, "1000", 4)         = 4
[pid 14107] close(3)                    = 0
[pid 14107] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14107] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14107] pipe2([3, 4], 0)            = 0
[pid 14107] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14107] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14107] sync()                      = 0
[pid 14107] exit_group(0)               = ?
[pid 14107] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14107, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14108
./strace-static-x86_64: Process 14108 attached
[pid 14108] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14108] setpgid(0, 0)               = 0
[pid 14108] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14108] write(3, "1000", 4)         = 4
[pid 14108] close(3)                    = 0
[pid 14108] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14108] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14108] pipe2([3, 4], 0)            = 0
[pid 14108] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14108] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14108] sync()                      = 0
[pid 14108] exit_group(0)               = ?
[pid 14108] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14108, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14109
./strace-static-x86_64: Process 14109 attached
[pid 14109] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14109] setpgid(0, 0)               = 0
[pid 14109] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14109] write(3, "1000", 4)         = 4
[pid 14109] close(3)                    = 0
[pid 14109] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14109] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14109] pipe2([3, 4], 0)            = 0
[pid 14109] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14109] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14109] sync()                      = 0
[pid 14109] exit_group(0)               = ?
[pid 14109] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14109, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14110
./strace-static-x86_64: Process 14110 attached
[pid 14110] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14110] setpgid(0, 0)               = 0
[pid 14110] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14110] write(3, "1000", 4)         = 4
[pid 14110] close(3)                    = 0
[pid 14110] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14110] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14110] pipe2([3, 4], 0)            = 0
[pid 14110] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14110] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14110] sync()                      = 0
[pid 14110] exit_group(0)               = ?
[pid 14110] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14110, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14111 attached
, child_tidptr=0x555555bcb690) = 14111
[pid 14111] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14111] setpgid(0, 0)               = 0
[pid 14111] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14111] write(3, "1000", 4)         = 4
[pid 14111] close(3)                    = 0
[pid 14111] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14111] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14111] pipe2([3, 4], 0)            = 0
[pid 14111] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14111] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14111] sync()                      = 0
[pid 14111] exit_group(0)               = ?
[pid 14111] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14111, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14112 attached
, child_tidptr=0x555555bcb690) = 14112
[pid 14112] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14112] setpgid(0, 0)               = 0
[pid 14112] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14112] write(3, "1000", 4)         = 4
[pid 14112] close(3)                    = 0
[pid 14112] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14112] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14112] pipe2([3, 4], 0)            = 0
[pid 14112] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14112] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14112] sync()                      = 0
[pid 14112] exit_group(0)               = ?
[pid 14112] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14112, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14113 attached
, child_tidptr=0x555555bcb690) = 14113
[pid 14113] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14113] setpgid(0, 0)               = 0
[pid 14113] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14113] write(3, "1000", 4)         = 4
[pid 14113] close(3)                    = 0
[pid 14113] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14113] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14113] pipe2([3, 4], 0)            = 0
[pid 14113] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14113] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14113] sync()                      = 0
[pid 14113] exit_group(0)               = ?
[pid 14113] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14113, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14114
./strace-static-x86_64: Process 14114 attached
[pid 14114] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14114] setpgid(0, 0)               = 0
[pid 14114] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14114] write(3, "1000", 4)         = 4
[pid 14114] close(3)                    = 0
[pid 14114] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14114] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14114] pipe2([3, 4], 0)            = 0
[pid 14114] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14114] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14114] sync()                      = 0
[pid 14114] exit_group(0)               = ?
[pid 14114] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14114, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14115
./strace-static-x86_64: Process 14115 attached
[pid 14115] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14115] setpgid(0, 0)               = 0
[pid 14115] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14115] write(3, "1000", 4)         = 4
[pid 14115] close(3)                    = 0
[pid 14115] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14115] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14115] pipe2([3, 4], 0)            = 0
[pid 14115] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14115] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14115] sync()                      = 0
[pid 14115] exit_group(0)               = ?
[pid 14115] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14115, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14116 attached
, child_tidptr=0x555555bcb690) = 14116
[pid 14116] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14116] setpgid(0, 0)               = 0
[pid 14116] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14116] write(3, "1000", 4)         = 4
[pid 14116] close(3)                    = 0
[pid 14116] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14116] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14116] pipe2([3, 4], 0)            = 0
[pid 14116] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14116] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14116] sync()                      = 0
[pid 14116] exit_group(0)               = ?
[pid 14116] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14116, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14117
./strace-static-x86_64: Process 14117 attached
[pid 14117] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14117] setpgid(0, 0)               = 0
[pid 14117] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14117] write(3, "1000", 4)         = 4
[pid 14117] close(3)                    = 0
[pid 14117] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14117] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14117] pipe2([3, 4], 0)            = 0
[pid 14117] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14117] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14117] sync()                      = 0
[pid 14117] exit_group(0)               = ?
[pid 14117] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14117, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14118
./strace-static-x86_64: Process 14118 attached
[pid 14118] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14118] setpgid(0, 0)               = 0
[pid 14118] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14118] write(3, "1000", 4)         = 4
[pid 14118] close(3)                    = 0
[pid 14118] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14118] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14118] pipe2([3, 4], 0)            = 0
[pid 14118] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14118] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14118] sync()                      = 0
[pid 14118] exit_group(0)               = ?
[pid 14118] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14118, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14119 attached
, child_tidptr=0x555555bcb690) = 14119
[pid 14119] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14119] setpgid(0, 0)               = 0
[pid 14119] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14119] write(3, "1000", 4)         = 4
[pid 14119] close(3)                    = 0
[pid 14119] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14119] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14119] pipe2([3, 4], 0)            = 0
[pid 14119] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14119] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14119] sync()                      = 0
[pid 14119] exit_group(0)               = ?
[pid 14119] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14119, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14120
./strace-static-x86_64: Process 14120 attached
[pid 14120] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14120] setpgid(0, 0)               = 0
[pid 14120] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14120] write(3, "1000", 4)         = 4
[pid 14120] close(3)                    = 0
[pid 14120] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14120] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14120] pipe2([3, 4], 0)            = 0
[pid 14120] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14120] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14120] sync()                      = 0
[pid 14120] exit_group(0)               = ?
[pid 14120] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14120, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14121
./strace-static-x86_64: Process 14121 attached
[pid 14121] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14121] setpgid(0, 0)               = 0
[pid 14121] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14121] write(3, "1000", 4)         = 4
[pid 14121] close(3)                    = 0
[pid 14121] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14121] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14121] pipe2([3, 4], 0)            = 0
[pid 14121] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14121] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14121] sync()                      = 0
[pid 14121] exit_group(0)               = ?
[pid 14121] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14121, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14122
./strace-static-x86_64: Process 14122 attached
[pid 14122] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14122] setpgid(0, 0)               = 0
[pid 14122] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14122] write(3, "1000", 4)         = 4
[pid 14122] close(3)                    = 0
[pid 14122] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14122] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14122] pipe2([3, 4], 0)            = 0
[pid 14122] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14122] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14122] sync()                      = 0
[pid 14122] exit_group(0)               = ?
[pid 14122] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14122, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14123 attached
, child_tidptr=0x555555bcb690) = 14123
[pid 14123] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14123] setpgid(0, 0)               = 0
[pid 14123] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14123] write(3, "1000", 4)         = 4
[pid 14123] close(3)                    = 0
[pid 14123] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14123] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14123] pipe2([3, 4], 0)            = 0
[pid 14123] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14123] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14123] sync()                      = 0
[pid 14123] exit_group(0)               = ?
[pid 14123] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14123, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14124 attached
 <unfinished ...>
[pid 14124] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14124] setpgid(0, 0)               = 0
[pid 14124] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3603] <... clone resumed>, child_tidptr=0x555555bcb690) = 14124
[pid 14124] <... openat resumed>)       = 3
[pid 14124] write(3, "1000", 4)         = 4
[pid 14124] close(3)                    = 0
[pid 14124] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14124] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14124] pipe2([3, 4], 0)            = 0
[pid 14124] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14124] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14124] sync()                      = 0
[pid 14124] exit_group(0)               = ?
[pid 14124] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14124, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14125
./strace-static-x86_64: Process 14125 attached
[pid 14125] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14125] setpgid(0, 0)               = 0
[pid 14125] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14125] write(3, "1000", 4)         = 4
[pid 14125] close(3)                    = 0
[pid 14125] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14125] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14125] pipe2([3, 4], 0)            = 0
[pid 14125] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14125] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14125] sync()                      = 0
[pid 14125] exit_group(0)               = ?
[pid 14125] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14125, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14126
./strace-static-x86_64: Process 14126 attached
[pid 14126] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14126] setpgid(0, 0)               = 0
[pid 14126] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14126] write(3, "1000", 4)         = 4
[pid 14126] close(3)                    = 0
[pid 14126] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14126] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14126] pipe2([3, 4], 0)            = 0
[pid 14126] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14126] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14126] sync()                      = 0
[pid 14126] exit_group(0)               = ?
[pid 14126] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14126, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14127 attached
, child_tidptr=0x555555bcb690) = 14127
[pid 14127] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14127] setpgid(0, 0)               = 0
[pid 14127] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14127] write(3, "1000", 4)         = 4
[pid 14127] close(3)                    = 0
[pid 14127] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14127] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14127] pipe2([3, 4], 0)            = 0
[pid 14127] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14127] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14127] sync()                      = 0
[pid 14127] exit_group(0)               = ?
[pid 14127] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14127, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14128
./strace-static-x86_64: Process 14128 attached
[pid 14128] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14128] setpgid(0, 0)               = 0
[pid 14128] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14128] write(3, "1000", 4)         = 4
[pid 14128] close(3)                    = 0
[pid 14128] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14128] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14128] pipe2([3, 4], 0)            = 0
[pid 14128] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14128] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14128] sync()                      = 0
[pid 14128] exit_group(0)               = ?
[pid 14128] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14128, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14129
./strace-static-x86_64: Process 14129 attached
[pid 14129] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14129] setpgid(0, 0)               = 0
[pid 14129] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14129] write(3, "1000", 4)         = 4
[pid 14129] close(3)                    = 0
[pid 14129] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14129] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14129] pipe2([3, 4], 0)            = 0
[pid 14129] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14129] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14129] sync()                      = 0
[pid 14129] exit_group(0)               = ?
[pid 14129] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14129, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14130
./strace-static-x86_64: Process 14130 attached
[pid 14130] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14130] setpgid(0, 0)               = 0
[pid 14130] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14130] write(3, "1000", 4)         = 4
[pid 14130] close(3)                    = 0
[pid 14130] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14130] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14130] pipe2([3, 4], 0)            = 0
[pid 14130] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14130] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14130] sync()                      = 0
[pid 14130] exit_group(0)               = ?
[pid 14130] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14130, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14131 attached
, child_tidptr=0x555555bcb690) = 14131
[pid 14131] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14131] setpgid(0, 0)               = 0
[pid 14131] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14131] write(3, "1000", 4)         = 4
[pid 14131] close(3)                    = 0
[pid 14131] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14131] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14131] pipe2([3, 4], 0)            = 0
[pid 14131] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14131] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14131] sync()                      = 0
[pid 14131] exit_group(0)               = ?
[pid 14131] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14131, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14132 attached
, child_tidptr=0x555555bcb690) = 14132
[pid 14132] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14132] setpgid(0, 0)               = 0
[pid 14132] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14132] write(3, "1000", 4)         = 4
[pid 14132] close(3)                    = 0
[pid 14132] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14132] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14132] pipe2([3, 4], 0)            = 0
[pid 14132] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14132] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14132] sync()                      = 0
[pid 14132] exit_group(0)               = ?
[pid 14132] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14132, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14133
./strace-static-x86_64: Process 14133 attached
[pid 14133] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14133] setpgid(0, 0)               = 0
[pid 14133] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14133] write(3, "1000", 4)         = 4
[pid 14133] close(3)                    = 0
[pid 14133] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14133] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14133] pipe2([3, 4], 0)            = 0
[pid 14133] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14133] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14133] sync()                      = 0
[pid 14133] exit_group(0)               = ?
[pid 14133] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14133, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14134
./strace-static-x86_64: Process 14134 attached
[pid 14134] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14134] setpgid(0, 0)               = 0
[pid 14134] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14134] write(3, "1000", 4)         = 4
[pid 14134] close(3)                    = 0
[pid 14134] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14134] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14134] pipe2([3, 4], 0)            = 0
[pid 14134] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14134] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14134] sync()                      = 0
[pid 14134] exit_group(0)               = ?
[pid 14134] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14134, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14135
./strace-static-x86_64: Process 14135 attached
[pid 14135] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14135] setpgid(0, 0)               = 0
[pid 14135] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14135] write(3, "1000", 4)         = 4
[pid 14135] close(3)                    = 0
[pid 14135] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14135] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14135] pipe2([3, 4], 0)            = 0
[pid 14135] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14135] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14135] sync()                      = 0
[pid 14135] exit_group(0)               = ?
[pid 14135] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14135, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14136
./strace-static-x86_64: Process 14136 attached
[pid 14136] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14136] setpgid(0, 0)               = 0
[pid 14136] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14136] write(3, "1000", 4)         = 4
[pid 14136] close(3)                    = 0
[pid 14136] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14136] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14136] pipe2([3, 4], 0)            = 0
[pid 14136] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14136] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14136] sync()                      = 0
[pid 14136] exit_group(0)               = ?
[pid 14136] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14136, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14137 attached
, child_tidptr=0x555555bcb690) = 14137
[pid 14137] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14137] setpgid(0, 0)               = 0
[pid 14137] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14137] write(3, "1000", 4)         = 4
[pid 14137] close(3)                    = 0
[pid 14137] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14137] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14137] pipe2([3, 4], 0)            = 0
[pid 14137] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14137] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14137] sync()                      = 0
[pid 14137] exit_group(0)               = ?
[pid 14137] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14137, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14138
./strace-static-x86_64: Process 14138 attached
[pid 14138] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14138] setpgid(0, 0)               = 0
[pid 14138] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14138] write(3, "1000", 4)         = 4
[pid 14138] close(3)                    = 0
[pid 14138] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14138] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14138] pipe2([3, 4], 0)            = 0
[pid 14138] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14138] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14138] sync()                      = 0
[pid 14138] exit_group(0)               = ?
[pid 14138] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14138, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14139 attached
, child_tidptr=0x555555bcb690) = 14139
[pid 14139] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14139] setpgid(0, 0)               = 0
[pid 14139] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14139] write(3, "1000", 4)         = 4
[pid 14139] close(3)                    = 0
[pid 14139] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14139] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14139] pipe2([3, 4], 0)            = 0
[pid 14139] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14139] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14139] sync()                      = 0
[pid 14139] exit_group(0)               = ?
[pid 14139] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14139, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14140
./strace-static-x86_64: Process 14140 attached
[pid 14140] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14140] setpgid(0, 0)               = 0
[pid 14140] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14140] write(3, "1000", 4)         = 4
[pid 14140] close(3)                    = 0
[pid 14140] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14140] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14140] pipe2([3, 4], 0)            = 0
[pid 14140] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14140] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14140] sync()                      = 0
[pid 14140] exit_group(0)               = ?
[pid 14140] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14140, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14141
./strace-static-x86_64: Process 14141 attached
[pid 14141] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14141] setpgid(0, 0)               = 0
[pid 14141] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14141] write(3, "1000", 4)         = 4
[pid 14141] close(3)                    = 0
[pid 14141] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14141] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14141] pipe2([3, 4], 0)            = 0
[pid 14141] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14141] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14141] sync()                      = 0
[pid 14141] exit_group(0)               = ?
[pid 14141] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14141, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14142 attached
, child_tidptr=0x555555bcb690) = 14142
[pid 14142] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14142] setpgid(0, 0)               = 0
[pid 14142] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14142] write(3, "1000", 4)         = 4
[pid 14142] close(3)                    = 0
[pid 14142] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14142] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14142] pipe2([3, 4], 0)            = 0
[pid 14142] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14142] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14142] sync()                      = 0
[pid 14142] exit_group(0)               = ?
[pid 14142] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14142, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14143 attached
, child_tidptr=0x555555bcb690) = 14143
[pid 14143] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14143] setpgid(0, 0)               = 0
[pid 14143] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14143] write(3, "1000", 4)         = 4
[pid 14143] close(3)                    = 0
[pid 14143] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14143] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14143] pipe2([3, 4], 0)            = 0
[pid 14143] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14143] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14143] sync()                      = 0
[pid 14143] exit_group(0)               = ?
[pid 14143] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14143, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14144
./strace-static-x86_64: Process 14144 attached
[pid 14144] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14144] setpgid(0, 0)               = 0
[pid 14144] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14144] write(3, "1000", 4)         = 4
[pid 14144] close(3)                    = 0
[pid 14144] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14144] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14144] pipe2([3, 4], 0)            = 0
[pid 14144] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14144] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14144] sync()                      = 0
[pid 14144] exit_group(0)               = ?
[pid 14144] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14144, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14145
./strace-static-x86_64: Process 14145 attached
[pid 14145] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14145] setpgid(0, 0)               = 0
[pid 14145] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14145] write(3, "1000", 4)         = 4
[pid 14145] close(3)                    = 0
[pid 14145] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14145] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14145] pipe2([3, 4], 0)            = 0
[pid 14145] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14145] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14145] sync()                      = 0
[pid 14145] exit_group(0)               = ?
[pid 14145] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14145, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14146 attached
, child_tidptr=0x555555bcb690) = 14146
[pid 14146] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14146] setpgid(0, 0)               = 0
[pid 14146] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14146] write(3, "1000", 4)         = 4
[pid 14146] close(3)                    = 0
[pid 14146] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14146] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14146] pipe2([3, 4], 0)            = 0
[pid 14146] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14146] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14146] sync()                      = 0
[pid 14146] exit_group(0)               = ?
[pid 14146] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14146, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14147 attached
, child_tidptr=0x555555bcb690) = 14147
[pid 14147] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14147] setpgid(0, 0)               = 0
[pid 14147] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14147] write(3, "1000", 4)         = 4
[pid 14147] close(3)                    = 0
[pid 14147] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14147] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14147] pipe2([3, 4], 0)            = 0
[pid 14147] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14147] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14147] sync()                      = 0
[pid 14147] exit_group(0)               = ?
[pid 14147] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14147, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14148
./strace-static-x86_64: Process 14148 attached
[pid 14148] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14148] setpgid(0, 0)               = 0
[pid 14148] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14148] write(3, "1000", 4)         = 4
[pid 14148] close(3)                    = 0
[pid 14148] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14148] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14148] pipe2([3, 4], 0)            = 0
[pid 14148] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14148] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14148] sync()                      = 0
[pid 14148] exit_group(0)               = ?
[pid 14148] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14148, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14149 attached
, child_tidptr=0x555555bcb690) = 14149
[pid 14149] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14149] setpgid(0, 0)               = 0
[pid 14149] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14149] write(3, "1000", 4)         = 4
[pid 14149] close(3)                    = 0
[pid 14149] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14149] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14149] pipe2([3, 4], 0)            = 0
[pid 14149] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14149] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14149] sync()                      = 0
[pid 14149] exit_group(0)               = ?
[pid 14149] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14149, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14150 attached
, child_tidptr=0x555555bcb690) = 14150
[pid 14150] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14150] setpgid(0, 0)               = 0
[pid 14150] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14150] write(3, "1000", 4)         = 4
[pid 14150] close(3)                    = 0
[pid 14150] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14150] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14150] pipe2([3, 4], 0)            = 0
[pid 14150] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14150] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14150] sync()                      = 0
[pid 14150] exit_group(0)               = ?
[pid 14150] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14150, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14151
./strace-static-x86_64: Process 14151 attached
[pid 14151] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14151] setpgid(0, 0)               = 0
[pid 14151] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14151] write(3, "1000", 4)         = 4
[pid 14151] close(3)                    = 0
[pid 14151] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14151] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14151] pipe2([3, 4], 0)            = 0
[pid 14151] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14151] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14151] sync()                      = 0
[pid 14151] exit_group(0)               = ?
[pid 14151] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14151, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14152 attached
, child_tidptr=0x555555bcb690) = 14152
[pid 14152] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14152] setpgid(0, 0)               = 0
[pid 14152] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14152] write(3, "1000", 4)         = 4
[pid 14152] close(3)                    = 0
[pid 14152] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14152] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14152] pipe2([3, 4], 0)            = 0
[pid 14152] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14152] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14152] sync()                      = 0
[pid 14152] exit_group(0)               = ?
[pid 14152] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14152, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14153 attached
, child_tidptr=0x555555bcb690) = 14153
[pid 14153] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14153] setpgid(0, 0)               = 0
[pid 14153] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14153] write(3, "1000", 4)         = 4
[pid 14153] close(3)                    = 0
[pid 14153] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14153] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14153] pipe2([3, 4], 0)            = 0
[pid 14153] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14153] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14153] sync()                      = 0
[pid 14153] exit_group(0)               = ?
[pid 14153] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14153, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14154 attached
, child_tidptr=0x555555bcb690) = 14154
[pid 14154] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14154] setpgid(0, 0)               = 0
[pid 14154] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14154] write(3, "1000", 4)         = 4
[pid 14154] close(3)                    = 0
[pid 14154] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14154] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14154] pipe2([3, 4], 0)            = 0
[pid 14154] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14154] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14154] sync()                      = 0
[pid 14154] exit_group(0)               = ?
[pid 14154] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14154, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14155
./strace-static-x86_64: Process 14155 attached
[pid 14155] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14155] setpgid(0, 0)               = 0
[pid 14155] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14155] write(3, "1000", 4)         = 4
[pid 14155] close(3)                    = 0
[pid 14155] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14155] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14155] pipe2([3, 4], 0)            = 0
[pid 14155] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14155] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14155] sync()                      = 0
[pid 14155] exit_group(0)               = ?
[pid 14155] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14155, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14156 attached
, child_tidptr=0x555555bcb690) = 14156
[pid 14156] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14156] setpgid(0, 0)               = 0
[pid 14156] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14156] write(3, "1000", 4)         = 4
[pid 14156] close(3)                    = 0
[pid 14156] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14156] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14156] pipe2([3, 4], 0)            = 0
[pid 14156] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14156] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14156] sync()                      = 0
[pid 14156] exit_group(0)               = ?
[pid 14156] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14156, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14157 attached
, child_tidptr=0x555555bcb690) = 14157
[pid 14157] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14157] setpgid(0, 0)               = 0
[pid 14157] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14157] write(3, "1000", 4)         = 4
[pid 14157] close(3)                    = 0
[pid 14157] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14157] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14157] pipe2([3, 4], 0)            = 0
[pid 14157] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14157] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14157] sync()                      = 0
[pid 14157] exit_group(0)               = ?
[pid 14157] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14157, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14158 attached
, child_tidptr=0x555555bcb690) = 14158
[pid 14158] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14158] setpgid(0, 0)               = 0
[pid 14158] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14158] write(3, "1000", 4)         = 4
[pid 14158] close(3)                    = 0
[pid 14158] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14158] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14158] pipe2([3, 4], 0)            = 0
[pid 14158] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14158] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14158] sync()                      = 0
[pid 14158] exit_group(0)               = ?
[pid 14158] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14158, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14159 attached
, child_tidptr=0x555555bcb690) = 14159
[pid 14159] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14159] setpgid(0, 0)               = 0
[pid 14159] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14159] write(3, "1000", 4)         = 4
[pid 14159] close(3)                    = 0
[pid 14159] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14159] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14159] pipe2([3, 4], 0)            = 0
[pid 14159] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14159] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14159] sync()                      = 0
[pid 14159] exit_group(0)               = ?
[pid 14159] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14159, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14160
./strace-static-x86_64: Process 14160 attached
[pid 14160] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14160] setpgid(0, 0)               = 0
[pid 14160] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14160] write(3, "1000", 4)         = 4
[pid 14160] close(3)                    = 0
[pid 14160] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14160] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14160] pipe2([3, 4], 0)            = 0
[pid 14160] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14160] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14160] sync()                      = 0
[pid 14160] exit_group(0)               = ?
[pid 14160] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14160, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14161 attached
, child_tidptr=0x555555bcb690) = 14161
[pid 14161] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14161] setpgid(0, 0)               = 0
[pid 14161] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14161] write(3, "1000", 4)         = 4
[pid 14161] close(3)                    = 0
[pid 14161] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14161] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14161] pipe2([3, 4], 0)            = 0
[pid 14161] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14161] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14161] sync()                      = 0
[pid 14161] exit_group(0)               = ?
[pid 14161] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14161, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14162 attached
, child_tidptr=0x555555bcb690) = 14162
[pid 14162] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14162] setpgid(0, 0)               = 0
[pid 14162] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14162] write(3, "1000", 4)         = 4
[pid 14162] close(3)                    = 0
[pid 14162] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14162] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14162] pipe2([3, 4], 0)            = 0
[pid 14162] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14162] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14162] sync()                      = 0
[pid 14162] exit_group(0)               = ?
[pid 14162] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14162, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14163
./strace-static-x86_64: Process 14163 attached
[pid 14163] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14163] setpgid(0, 0)               = 0
[pid 14163] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14163] write(3, "1000", 4)         = 4
[pid 14163] close(3)                    = 0
[pid 14163] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14163] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14163] pipe2([3, 4], 0)            = 0
[pid 14163] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14163] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14163] sync()                      = 0
[pid 14163] exit_group(0)               = ?
[pid 14163] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14163, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14164
./strace-static-x86_64: Process 14164 attached
[pid 14164] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14164] setpgid(0, 0)               = 0
[pid 14164] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14164] write(3, "1000", 4)         = 4
[pid 14164] close(3)                    = 0
[pid 14164] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14164] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14164] pipe2([3, 4], 0)            = 0
[pid 14164] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14164] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14164] sync()                      = 0
[pid 14164] exit_group(0)               = ?
[pid 14164] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14164, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14165
./strace-static-x86_64: Process 14165 attached
[pid 14165] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14165] setpgid(0, 0)               = 0
[pid 14165] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14165] write(3, "1000", 4)         = 4
[pid 14165] close(3)                    = 0
[pid 14165] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14165] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14165] pipe2([3, 4], 0)            = 0
[pid 14165] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14165] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14165] sync()                      = 0
[pid 14165] exit_group(0)               = ?
[pid 14165] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14165, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14166 attached
, child_tidptr=0x555555bcb690) = 14166
[pid 14166] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14166] setpgid(0, 0)               = 0
[pid 14166] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14166] write(3, "1000", 4)         = 4
[pid 14166] close(3)                    = 0
[pid 14166] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14166] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14166] pipe2([3, 4], 0)            = 0
[pid 14166] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14166] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14166] sync()                      = 0
[pid 14166] exit_group(0)               = ?
[pid 14166] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14166, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14167
./strace-static-x86_64: Process 14167 attached
[pid 14167] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14167] setpgid(0, 0)               = 0
[pid 14167] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14167] write(3, "1000", 4)         = 4
[pid 14167] close(3)                    = 0
[pid 14167] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14167] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14167] pipe2([3, 4], 0)            = 0
[pid 14167] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14167] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14167] sync()                      = 0
[pid 14167] exit_group(0)               = ?
[pid 14167] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14167, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14168 attached
, child_tidptr=0x555555bcb690) = 14168
[pid 14168] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14168] setpgid(0, 0)               = 0
[pid 14168] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14168] write(3, "1000", 4)         = 4
[pid 14168] close(3)                    = 0
[pid 14168] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14168] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14168] pipe2([3, 4], 0)            = 0
[pid 14168] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14168] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14168] sync()                      = 0
[pid 14168] exit_group(0)               = ?
[pid 14168] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14168, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14169
./strace-static-x86_64: Process 14169 attached
[pid 14169] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14169] setpgid(0, 0)               = 0
[pid 14169] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14169] write(3, "1000", 4)         = 4
[pid 14169] close(3)                    = 0
[pid 14169] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14169] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14169] pipe2([3, 4], 0)            = 0
[pid 14169] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14169] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14169] sync()                      = 0
[pid 14169] exit_group(0)               = ?
[pid 14169] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14169, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14170 attached
, child_tidptr=0x555555bcb690) = 14170
[pid 14170] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14170] setpgid(0, 0)               = 0
[pid 14170] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14170] write(3, "1000", 4)         = 4
[pid 14170] close(3)                    = 0
[pid 14170] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14170] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14170] pipe2([3, 4], 0)            = 0
[pid 14170] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14170] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14170] sync()                      = 0
[pid 14170] exit_group(0)               = ?
[pid 14170] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14170, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14171 attached
, child_tidptr=0x555555bcb690) = 14171
[pid 14171] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14171] setpgid(0, 0)               = 0
[pid 14171] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14171] write(3, "1000", 4)         = 4
[pid 14171] close(3)                    = 0
[pid 14171] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14171] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14171] pipe2([3, 4], 0)            = 0
[pid 14171] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14171] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14171] sync()                      = 0
[pid 14171] exit_group(0)               = ?
[pid 14171] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14171, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14172 attached
, child_tidptr=0x555555bcb690) = 14172
[pid 14172] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14172] setpgid(0, 0)               = 0
[pid 14172] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14172] write(3, "1000", 4)         = 4
[pid 14172] close(3)                    = 0
[pid 14172] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14172] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14172] pipe2([3, 4], 0)            = 0
[pid 14172] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14172] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14172] sync()                      = 0
[pid 14172] exit_group(0)               = ?
[pid 14172] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14172, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14173 attached
, child_tidptr=0x555555bcb690) = 14173
[pid 14173] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14173] setpgid(0, 0)               = 0
[pid 14173] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14173] write(3, "1000", 4)         = 4
[pid 14173] close(3)                    = 0
[pid 14173] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14173] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14173] pipe2([3, 4], 0)            = 0
[pid 14173] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14173] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14173] sync()                      = 0
[pid 14173] exit_group(0)               = ?
[pid 14173] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14173, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14174
./strace-static-x86_64: Process 14174 attached
[pid 14174] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14174] setpgid(0, 0)               = 0
[pid 14174] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14174] write(3, "1000", 4)         = 4
[pid 14174] close(3)                    = 0
[pid 14174] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14174] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14174] pipe2([3, 4], 0)            = 0
[pid 14174] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14174] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14174] sync()                      = 0
[pid 14174] exit_group(0)               = ?
[pid 14174] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14174, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14175
./strace-static-x86_64: Process 14175 attached
[pid 14175] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14175] setpgid(0, 0)               = 0
[pid 14175] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14175] write(3, "1000", 4)         = 4
[pid 14175] close(3)                    = 0
[pid 14175] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14175] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14175] pipe2([3, 4], 0)            = 0
[pid 14175] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14175] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14175] sync()                      = 0
[pid 14175] exit_group(0)               = ?
[pid 14175] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14175, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14176 attached
 <unfinished ...>
[pid 14176] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14176] setpgid(0, 0)               = 0
[pid 14176] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3603] <... clone resumed>, child_tidptr=0x555555bcb690) = 14176
[pid 14176] <... openat resumed>)       = 3
[pid 14176] write(3, "1000", 4)         = 4
[pid 14176] close(3)                    = 0
[pid 14176] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14176] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14176] pipe2([3, 4], 0)            = 0
[pid 14176] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14176] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14176] sync()                      = 0
[pid 14176] exit_group(0)               = ?
[pid 14176] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14176, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14177
./strace-static-x86_64: Process 14177 attached
[pid 14177] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14177] setpgid(0, 0)               = 0
[pid 14177] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14177] write(3, "1000", 4)         = 4
[pid 14177] close(3)                    = 0
[pid 14177] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14177] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14177] pipe2([3, 4], 0)            = 0
[pid 14177] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14177] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14177] sync()                      = 0
[pid 14177] exit_group(0)               = ?
[pid 14177] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14177, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14178 attached
, child_tidptr=0x555555bcb690) = 14178
[pid 14178] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14178] setpgid(0, 0)               = 0
[pid 14178] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14178] write(3, "1000", 4)         = 4
[pid 14178] close(3)                    = 0
[pid 14178] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14178] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14178] pipe2([3, 4], 0)            = 0
[pid 14178] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14178] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14178] sync()                      = 0
[pid 14178] exit_group(0)               = ?
[pid 14178] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14178, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14179 attached
, child_tidptr=0x555555bcb690) = 14179
[pid 14179] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14179] setpgid(0, 0)               = 0
[pid 14179] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14179] write(3, "1000", 4)         = 4
[pid 14179] close(3)                    = 0
[pid 14179] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14179] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14179] pipe2([3, 4], 0)            = 0
[pid 14179] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14179] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14179] sync()                      = 0
[pid 14179] exit_group(0)               = ?
[pid 14179] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14179, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14180
./strace-static-x86_64: Process 14180 attached
[pid 14180] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14180] setpgid(0, 0)               = 0
[pid 14180] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14180] write(3, "1000", 4)         = 4
[pid 14180] close(3)                    = 0
[pid 14180] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14180] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14180] pipe2([3, 4], 0)            = 0
[pid 14180] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14180] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14180] sync()                      = 0
[pid 14180] exit_group(0)               = ?
[pid 14180] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14180, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14181 attached
, child_tidptr=0x555555bcb690) = 14181
[pid 14181] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14181] setpgid(0, 0)               = 0
[pid 14181] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14181] write(3, "1000", 4)         = 4
[pid 14181] close(3)                    = 0
[pid 14181] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14181] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14181] pipe2([3, 4], 0)            = 0
[pid 14181] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14181] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14181] sync()                      = 0
[pid 14181] exit_group(0)               = ?
[pid 14181] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14181, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14182 attached
, child_tidptr=0x555555bcb690) = 14182
[pid 14182] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14182] setpgid(0, 0)               = 0
[pid 14182] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14182] write(3, "1000", 4)         = 4
[pid 14182] close(3)                    = 0
[pid 14182] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14182] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14182] pipe2([3, 4], 0)            = 0
[pid 14182] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14182] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14182] sync()                      = 0
[pid 14182] exit_group(0)               = ?
[pid 14182] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14182, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14183 attached
, child_tidptr=0x555555bcb690) = 14183
[pid 14183] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14183] setpgid(0, 0)               = 0
[pid 14183] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14183] write(3, "1000", 4)         = 4
[pid 14183] close(3)                    = 0
[pid 14183] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14183] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14183] pipe2([3, 4], 0)            = 0
[pid 14183] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14183] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14183] sync()                      = 0
[pid 14183] exit_group(0)               = ?
[pid 14183] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14183, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14184
./strace-static-x86_64: Process 14184 attached
[pid 14184] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14184] setpgid(0, 0)               = 0
[pid 14184] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14184] write(3, "1000", 4)         = 4
[pid 14184] close(3)                    = 0
[pid 14184] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14184] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14184] pipe2([3, 4], 0)            = 0
[pid 14184] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14184] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14184] sync()                      = 0
[pid 14184] exit_group(0)               = ?
[pid 14184] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14184, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14185 attached
, child_tidptr=0x555555bcb690) = 14185
[pid 14185] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14185] setpgid(0, 0)               = 0
[pid 14185] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14185] write(3, "1000", 4)         = 4
[pid 14185] close(3)                    = 0
[pid 14185] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14185] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14185] pipe2([3, 4], 0)            = 0
[pid 14185] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14185] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14185] sync()                      = 0
[pid 14185] exit_group(0)               = ?
[pid 14185] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14185, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14186 attached
, child_tidptr=0x555555bcb690) = 14186
[pid 14186] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14186] setpgid(0, 0)               = 0
[pid 14186] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14186] write(3, "1000", 4)         = 4
[pid 14186] close(3)                    = 0
[pid 14186] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14186] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14186] pipe2([3, 4], 0)            = 0
[pid 14186] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14186] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14186] sync()                      = 0
[pid 14186] exit_group(0)               = ?
[pid 14186] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14186, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14187 attached
, child_tidptr=0x555555bcb690) = 14187
[pid 14187] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14187] setpgid(0, 0)               = 0
[pid 14187] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14187] write(3, "1000", 4)         = 4
[pid 14187] close(3)                    = 0
[pid 14187] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14187] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14187] pipe2([3, 4], 0)            = 0
[pid 14187] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14187] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14187] sync()                      = 0
[pid 14187] exit_group(0)               = ?
[pid 14187] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14187, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14188
./strace-static-x86_64: Process 14188 attached
[pid 14188] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14188] setpgid(0, 0)               = 0
[pid 14188] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14188] write(3, "1000", 4)         = 4
[pid 14188] close(3)                    = 0
[pid 14188] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14188] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14188] pipe2([3, 4], 0)            = 0
[pid 14188] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14188] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14188] sync()                      = 0
[pid 14188] exit_group(0)               = ?
[pid 14188] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14188, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14189 attached
, child_tidptr=0x555555bcb690) = 14189
[pid 14189] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14189] setpgid(0, 0)               = 0
[pid 14189] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14189] write(3, "1000", 4)         = 4
[pid 14189] close(3)                    = 0
[pid 14189] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14189] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14189] pipe2([3, 4], 0)            = 0
[pid 14189] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14189] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14189] sync()                      = 0
[pid 14189] exit_group(0)               = ?
[pid 14189] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14189, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14190 attached
, child_tidptr=0x555555bcb690) = 14190
[pid 14190] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14190] setpgid(0, 0)               = 0
[pid 14190] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14190] write(3, "1000", 4)         = 4
[pid 14190] close(3)                    = 0
[pid 14190] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14190] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14190] pipe2([3, 4], 0)            = 0
[pid 14190] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14190] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14190] sync()                      = 0
[pid 14190] exit_group(0)               = ?
[pid 14190] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14190, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14191 attached
, child_tidptr=0x555555bcb690) = 14191
[pid 14191] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14191] setpgid(0, 0)               = 0
[pid 14191] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14191] write(3, "1000", 4)         = 4
[pid 14191] close(3)                    = 0
[pid 14191] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14191] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14191] pipe2([3, 4], 0)            = 0
[pid 14191] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14191] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14191] sync()                      = 0
[pid 14191] exit_group(0)               = ?
[pid 14191] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14191, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14192
./strace-static-x86_64: Process 14192 attached
[pid 14192] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14192] setpgid(0, 0)               = 0
[pid 14192] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14192] write(3, "1000", 4)         = 4
[pid 14192] close(3)                    = 0
[pid 14192] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14192] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14192] pipe2([3, 4], 0)            = 0
[pid 14192] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14192] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14192] sync()                      = 0
[pid 14192] exit_group(0)               = ?
[pid 14192] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14192, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14193 attached
, child_tidptr=0x555555bcb690) = 14193
[pid 14193] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14193] setpgid(0, 0)               = 0
[pid 14193] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14193] write(3, "1000", 4)         = 4
[pid 14193] close(3)                    = 0
[pid 14193] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14193] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14193] pipe2([3, 4], 0)            = 0
[pid 14193] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14193] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14193] sync()                      = 0
[pid 14193] exit_group(0)               = ?
[pid 14193] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14193, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14194
./strace-static-x86_64: Process 14194 attached
[pid 14194] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14194] setpgid(0, 0)               = 0
[pid 14194] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14194] write(3, "1000", 4)         = 4
[pid 14194] close(3)                    = 0
[pid 14194] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14194] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14194] pipe2([3, 4], 0)            = 0
[pid 14194] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14194] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14194] sync()                      = 0
[pid 14194] exit_group(0)               = ?
[pid 14194] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14194, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14195
./strace-static-x86_64: Process 14195 attached
[pid 14195] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14195] setpgid(0, 0)               = 0
[pid 14195] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14195] write(3, "1000", 4)         = 4
[pid 14195] close(3)                    = 0
[pid 14195] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14195] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14195] pipe2([3, 4], 0)            = 0
[pid 14195] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14195] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14195] sync()                      = 0
[pid 14195] exit_group(0)               = ?
[pid 14195] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14195, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14196
./strace-static-x86_64: Process 14196 attached
[pid 14196] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14196] setpgid(0, 0)               = 0
[pid 14196] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14196] write(3, "1000", 4)         = 4
[pid 14196] close(3)                    = 0
[pid 14196] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14196] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14196] pipe2([3, 4], 0)            = 0
[pid 14196] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14196] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14196] sync()                      = 0
[pid 14196] exit_group(0)               = ?
[pid 14196] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14196, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14197
./strace-static-x86_64: Process 14197 attached
[pid 14197] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14197] setpgid(0, 0)               = 0
[pid 14197] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14197] write(3, "1000", 4)         = 4
[pid 14197] close(3)                    = 0
[pid 14197] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14197] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14197] pipe2([3, 4], 0)            = 0
[pid 14197] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14197] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14197] sync()                      = 0
[pid 14197] exit_group(0)               = ?
[pid 14197] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14197, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14198 attached
, child_tidptr=0x555555bcb690) = 14198
[pid 14198] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14198] setpgid(0, 0)               = 0
[pid 14198] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14198] write(3, "1000", 4)         = 4
[pid 14198] close(3)                    = 0
[pid 14198] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14198] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14198] pipe2([3, 4], 0)            = 0
[pid 14198] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14198] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14198] sync()                      = 0
[pid 14198] exit_group(0)               = ?
[pid 14198] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14198, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14199
./strace-static-x86_64: Process 14199 attached
[pid 14199] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14199] setpgid(0, 0)               = 0
[pid 14199] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14199] write(3, "1000", 4)         = 4
[pid 14199] close(3)                    = 0
[pid 14199] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14199] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14199] pipe2([3, 4], 0)            = 0
[pid 14199] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14199] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14199] sync()                      = 0
[pid 14199] exit_group(0)               = ?
[pid 14199] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14199, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14200 attached
, child_tidptr=0x555555bcb690) = 14200
[pid 14200] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14200] setpgid(0, 0)               = 0
[pid 14200] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14200] write(3, "1000", 4)         = 4
[pid 14200] close(3)                    = 0
[pid 14200] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14200] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14200] pipe2([3, 4], 0)            = 0
[pid 14200] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14200] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14200] sync()                      = 0
[pid 14200] exit_group(0)               = ?
[pid 14200] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14200, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14201
./strace-static-x86_64: Process 14201 attached
[pid 14201] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14201] setpgid(0, 0)               = 0
[pid 14201] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14201] write(3, "1000", 4)         = 4
[pid 14201] close(3)                    = 0
[pid 14201] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14201] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14201] pipe2([3, 4], 0)            = 0
[pid 14201] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14201] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14201] sync()                      = 0
[pid 14201] exit_group(0)               = ?
[pid 14201] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14201, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14202
./strace-static-x86_64: Process 14202 attached
[pid 14202] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14202] setpgid(0, 0)               = 0
[pid 14202] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14202] write(3, "1000", 4)         = 4
[pid 14202] close(3)                    = 0
[pid 14202] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14202] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14202] pipe2([3, 4], 0)            = 0
[pid 14202] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14202] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14202] sync()                      = 0
[pid 14202] exit_group(0)               = ?
[pid 14202] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14202, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14203 attached
, child_tidptr=0x555555bcb690) = 14203
[pid 14203] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14203] setpgid(0, 0)               = 0
[pid 14203] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14203] write(3, "1000", 4)         = 4
[pid 14203] close(3)                    = 0
[pid 14203] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14203] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14203] pipe2([3, 4], 0)            = 0
[pid 14203] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14203] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14203] sync()                      = 0
[pid 14203] exit_group(0)               = ?
[pid 14203] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14203, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14204
./strace-static-x86_64: Process 14204 attached
[pid 14204] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14204] setpgid(0, 0)               = 0
[pid 14204] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14204] write(3, "1000", 4)         = 4
[pid 14204] close(3)                    = 0
[pid 14204] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14204] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14204] pipe2([3, 4], 0)            = 0
[pid 14204] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14204] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14204] sync()                      = 0
[pid 14204] exit_group(0)               = ?
[pid 14204] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14204, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14205
./strace-static-x86_64: Process 14205 attached
[pid 14205] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14205] setpgid(0, 0)               = 0
[pid 14205] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14205] write(3, "1000", 4)         = 4
[pid 14205] close(3)                    = 0
[pid 14205] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14205] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14205] pipe2([3, 4], 0)            = 0
[pid 14205] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14205] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14205] sync()                      = 0
[pid 14205] exit_group(0)               = ?
[pid 14205] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14205, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14206 attached
, child_tidptr=0x555555bcb690) = 14206
[pid 14206] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14206] setpgid(0, 0)               = 0
[pid 14206] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14206] write(3, "1000", 4)         = 4
[pid 14206] close(3)                    = 0
[pid 14206] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14206] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14206] pipe2([3, 4], 0)            = 0
[pid 14206] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14206] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14206] sync()                      = 0
[pid 14206] exit_group(0)               = ?
[pid 14206] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14206, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14207
./strace-static-x86_64: Process 14207 attached
[pid 14207] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14207] setpgid(0, 0)               = 0
[pid 14207] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14207] write(3, "1000", 4)         = 4
[pid 14207] close(3)                    = 0
[pid 14207] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14207] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14207] pipe2([3, 4], 0)            = 0
[pid 14207] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14207] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14207] sync()                      = 0
[pid 14207] exit_group(0)               = ?
[pid 14207] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14207, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14208 attached
, child_tidptr=0x555555bcb690) = 14208
[pid 14208] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14208] setpgid(0, 0)               = 0
[pid 14208] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14208] write(3, "1000", 4)         = 4
[pid 14208] close(3)                    = 0
[pid 14208] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14208] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14208] pipe2([3, 4], 0)            = 0
[pid 14208] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14208] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14208] sync()                      = 0
[pid 14208] exit_group(0)               = ?
[pid 14208] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14208, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14209
./strace-static-x86_64: Process 14209 attached
[pid 14209] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14209] setpgid(0, 0)               = 0
[pid 14209] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14209] write(3, "1000", 4)         = 4
[pid 14209] close(3)                    = 0
[pid 14209] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14209] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14209] pipe2([3, 4], 0)            = 0
[pid 14209] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14209] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14209] sync()                      = 0
[pid 14209] exit_group(0)               = ?
[pid 14209] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14209, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14210
./strace-static-x86_64: Process 14210 attached
[pid 14210] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14210] setpgid(0, 0)               = 0
[pid 14210] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14210] write(3, "1000", 4)         = 4
[pid 14210] close(3)                    = 0
[pid 14210] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14210] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14210] pipe2([3, 4], 0)            = 0
[pid 14210] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14210] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14210] sync()                      = 0
[pid 14210] exit_group(0)               = ?
[pid 14210] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14210, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14211 attached
, child_tidptr=0x555555bcb690) = 14211
[pid 14211] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14211] setpgid(0, 0)               = 0
[pid 14211] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14211] write(3, "1000", 4)         = 4
[pid 14211] close(3)                    = 0
[pid 14211] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14211] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14211] pipe2([3, 4], 0)            = 0
[pid 14211] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14211] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14211] sync()                      = 0
[pid 14211] exit_group(0)               = ?
[pid 14211] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14211, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14212 attached
, child_tidptr=0x555555bcb690) = 14212
[pid 14212] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14212] setpgid(0, 0)               = 0
[pid 14212] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14212] write(3, "1000", 4)         = 4
[pid 14212] close(3)                    = 0
[pid 14212] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14212] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14212] pipe2([3, 4], 0)            = 0
[pid 14212] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14212] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14212] sync()                      = 0
[pid 14212] exit_group(0)               = ?
[pid 14212] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14212, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14213 attached
, child_tidptr=0x555555bcb690) = 14213
[pid 14213] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14213] setpgid(0, 0)               = 0
[pid 14213] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14213] write(3, "1000", 4)         = 4
[pid 14213] close(3)                    = 0
[pid 14213] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14213] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14213] pipe2([3, 4], 0)            = 0
[pid 14213] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14213] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14213] sync()                      = 0
[pid 14213] exit_group(0)               = ?
[pid 14213] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14213, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14214
./strace-static-x86_64: Process 14214 attached
[pid 14214] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14214] setpgid(0, 0)               = 0
[pid 14214] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14214] write(3, "1000", 4)         = 4
[pid 14214] close(3)                    = 0
[pid 14214] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14214] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14214] pipe2([3, 4], 0)            = 0
[pid 14214] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14214] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14214] sync()                      = 0
[pid 14214] exit_group(0)               = ?
[pid 14214] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14214, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14215
./strace-static-x86_64: Process 14215 attached
[pid 14215] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14215] setpgid(0, 0)               = 0
[pid 14215] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14215] write(3, "1000", 4)         = 4
[pid 14215] close(3)                    = 0
[pid 14215] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14215] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14215] pipe2([3, 4], 0)            = 0
[pid 14215] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14215] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14215] sync()                      = 0
[pid 14215] exit_group(0)               = ?
[pid 14215] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14215, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14216 attached
, child_tidptr=0x555555bcb690) = 14216
[pid 14216] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14216] setpgid(0, 0)               = 0
[pid 14216] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14216] write(3, "1000", 4)         = 4
[pid 14216] close(3)                    = 0
[pid 14216] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14216] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14216] pipe2([3, 4], 0)            = 0
[pid 14216] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14216] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14216] sync()                      = 0
[pid 14216] exit_group(0)               = ?
[pid 14216] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14216, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14217 attached
, child_tidptr=0x555555bcb690) = 14217
[pid 14217] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14217] setpgid(0, 0)               = 0
[pid 14217] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14217] write(3, "1000", 4)         = 4
[pid 14217] close(3)                    = 0
[pid 14217] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14217] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14217] pipe2([3, 4], 0)            = 0
[pid 14217] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14217] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14217] sync()                      = 0
[pid 14217] exit_group(0)               = ?
[pid 14217] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14217, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14218
./strace-static-x86_64: Process 14218 attached
[pid 14218] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14218] setpgid(0, 0)               = 0
[pid 14218] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14218] write(3, "1000", 4)         = 4
[pid 14218] close(3)                    = 0
[pid 14218] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14218] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14218] pipe2([3, 4], 0)            = 0
[pid 14218] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14218] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14218] sync()                      = 0
[pid 14218] exit_group(0)               = ?
[pid 14218] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14218, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14219
./strace-static-x86_64: Process 14219 attached
[pid 14219] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14219] setpgid(0, 0)               = 0
[pid 14219] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14219] write(3, "1000", 4)         = 4
[pid 14219] close(3)                    = 0
[pid 14219] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14219] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14219] pipe2([3, 4], 0)            = 0
[pid 14219] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14219] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14219] sync()                      = 0
[pid 14219] exit_group(0)               = ?
[pid 14219] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14219, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14220 attached
, child_tidptr=0x555555bcb690) = 14220
[pid 14220] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14220] setpgid(0, 0)               = 0
[pid 14220] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14220] write(3, "1000", 4)         = 4
[pid 14220] close(3)                    = 0
[pid 14220] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14220] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14220] pipe2([3, 4], 0)            = 0
[pid 14220] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14220] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14220] sync()                      = 0
[pid 14220] exit_group(0)               = ?
[pid 14220] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14220, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14221
./strace-static-x86_64: Process 14221 attached
[pid 14221] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14221] setpgid(0, 0)               = 0
[pid 14221] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14221] write(3, "1000", 4)         = 4
[pid 14221] close(3)                    = 0
[pid 14221] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14221] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14221] pipe2([3, 4], 0)            = 0
[pid 14221] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14221] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14221] sync()                      = 0
[pid 14221] exit_group(0)               = ?
[pid 14221] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14221, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14222 attached
, child_tidptr=0x555555bcb690) = 14222
[pid 14222] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14222] setpgid(0, 0)               = 0
[pid 14222] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14222] write(3, "1000", 4)         = 4
[pid 14222] close(3)                    = 0
[pid 14222] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14222] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14222] pipe2([3, 4], 0)            = 0
[pid 14222] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14222] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14222] sync()                      = 0
[pid 14222] exit_group(0)               = ?
[pid 14222] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14222, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14223 attached
, child_tidptr=0x555555bcb690) = 14223
[pid 14223] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14223] setpgid(0, 0)               = 0
[pid 14223] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14223] write(3, "1000", 4)         = 4
[pid 14223] close(3)                    = 0
[pid 14223] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14223] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14223] pipe2([3, 4], 0)            = 0
[pid 14223] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14223] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14223] sync()                      = 0
[pid 14223] exit_group(0)               = ?
[pid 14223] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14223, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14224 attached
, child_tidptr=0x555555bcb690) = 14224
[pid 14224] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14224] setpgid(0, 0)               = 0
[pid 14224] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14224] write(3, "1000", 4)         = 4
[pid 14224] close(3)                    = 0
[pid 14224] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14224] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14224] pipe2([3, 4], 0)            = 0
[pid 14224] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14224] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14224] sync()                      = 0
[pid 14224] exit_group(0)               = ?
[pid 14224] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14224, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14225 attached
, child_tidptr=0x555555bcb690) = 14225
[pid 14225] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14225] setpgid(0, 0)               = 0
[pid 14225] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14225] write(3, "1000", 4)         = 4
[pid 14225] close(3)                    = 0
[pid 14225] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14225] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14225] pipe2([3, 4], 0)            = 0
[pid 14225] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14225] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14225] sync()                      = 0
[pid 14225] exit_group(0)               = ?
[pid 14225] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14225, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14226 attached
, child_tidptr=0x555555bcb690) = 14226
[pid 14226] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14226] setpgid(0, 0)               = 0
[pid 14226] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14226] write(3, "1000", 4)         = 4
[pid 14226] close(3)                    = 0
[pid 14226] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14226] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14226] pipe2([3, 4], 0)            = 0
[pid 14226] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14226] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14226] sync()                      = 0
[pid 14226] exit_group(0)               = ?
[pid 14226] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14226, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14227 attached
, child_tidptr=0x555555bcb690) = 14227
[pid 14227] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14227] setpgid(0, 0)               = 0
[pid 14227] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14227] write(3, "1000", 4)         = 4
[pid 14227] close(3)                    = 0
[pid 14227] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14227] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14227] pipe2([3, 4], 0)            = 0
[pid 14227] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14227] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14227] sync()                      = 0
[pid 14227] exit_group(0)               = ?
[pid 14227] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14227, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14228 attached
, child_tidptr=0x555555bcb690) = 14228
[pid 14228] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14228] setpgid(0, 0)               = 0
[pid 14228] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14228] write(3, "1000", 4)         = 4
[pid 14228] close(3)                    = 0
[pid 14228] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14228] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14228] pipe2([3, 4], 0)            = 0
[pid 14228] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14228] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14228] sync()                      = 0
[pid 14228] exit_group(0)               = ?
[pid 14228] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14228, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14229 attached
, child_tidptr=0x555555bcb690) = 14229
[pid 14229] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14229] setpgid(0, 0)               = 0
[pid 14229] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14229] write(3, "1000", 4)         = 4
[pid 14229] close(3)                    = 0
[pid 14229] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14229] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14229] pipe2([3, 4], 0)            = 0
[pid 14229] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14229] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14229] sync()                      = 0
[pid 14229] exit_group(0)               = ?
[pid 14229] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14229, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14230 attached
, child_tidptr=0x555555bcb690) = 14230
[pid 14230] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14230] setpgid(0, 0)               = 0
[pid 14230] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14230] write(3, "1000", 4)         = 4
[pid 14230] close(3)                    = 0
[pid 14230] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14230] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14230] pipe2([3, 4], 0)            = 0
[pid 14230] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14230] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14230] sync()                      = 0
[pid 14230] exit_group(0)               = ?
[pid 14230] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14230, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14231
./strace-static-x86_64: Process 14231 attached
[pid 14231] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14231] setpgid(0, 0)               = 0
[pid 14231] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14231] write(3, "1000", 4)         = 4
[pid 14231] close(3)                    = 0
[pid 14231] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14231] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14231] pipe2([3, 4], 0)            = 0
[pid 14231] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14231] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14231] sync()                      = 0
[pid 14231] exit_group(0)               = ?
[pid 14231] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14231, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14232 attached
, child_tidptr=0x555555bcb690) = 14232
[pid 14232] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14232] setpgid(0, 0)               = 0
[pid 14232] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14232] write(3, "1000", 4)         = 4
[pid 14232] close(3)                    = 0
[pid 14232] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14232] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14232] pipe2([3, 4], 0)            = 0
[pid 14232] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14232] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14232] sync()                      = 0
[pid 14232] exit_group(0)               = ?
[pid 14232] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14232, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14233 attached
, child_tidptr=0x555555bcb690) = 14233
[pid 14233] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14233] setpgid(0, 0)               = 0
[pid 14233] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14233] write(3, "1000", 4)         = 4
[pid 14233] close(3)                    = 0
[pid 14233] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14233] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14233] pipe2([3, 4], 0)            = 0
[pid 14233] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14233] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14233] sync()                      = 0
[pid 14233] exit_group(0)               = ?
[pid 14233] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14233, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14234 attached
, child_tidptr=0x555555bcb690) = 14234
[pid 14234] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14234] setpgid(0, 0)               = 0
[pid 14234] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14234] write(3, "1000", 4)         = 4
[pid 14234] close(3)                    = 0
[pid 14234] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14234] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14234] pipe2([3, 4], 0)            = 0
[pid 14234] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14234] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14234] sync()                      = 0
[pid 14234] exit_group(0)               = ?
[pid 14234] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14234, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14235 attached
, child_tidptr=0x555555bcb690) = 14235
[pid 14235] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14235] setpgid(0, 0)               = 0
[pid 14235] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14235] write(3, "1000", 4)         = 4
[pid 14235] close(3)                    = 0
[pid 14235] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14235] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14235] pipe2([3, 4], 0)            = 0
[pid 14235] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14235] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14235] sync()                      = 0
[pid 14235] exit_group(0)               = ?
[pid 14235] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14235, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14236 attached
, child_tidptr=0x555555bcb690) = 14236
[pid 14236] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14236] setpgid(0, 0)               = 0
[pid 14236] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14236] write(3, "1000", 4)         = 4
[pid 14236] close(3)                    = 0
[pid 14236] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14236] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14236] pipe2([3, 4], 0)            = 0
[pid 14236] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14236] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14236] sync()                      = 0
[pid 14236] exit_group(0)               = ?
[pid 14236] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14236, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14237
./strace-static-x86_64: Process 14237 attached
[pid 14237] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14237] setpgid(0, 0)               = 0
[pid 14237] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14237] write(3, "1000", 4)         = 4
[pid 14237] close(3)                    = 0
[pid 14237] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14237] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14237] pipe2([3, 4], 0)            = 0
[pid 14237] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14237] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14237] sync()                      = 0
[pid 14237] exit_group(0)               = ?
[pid 14237] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14237, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14238 attached
, child_tidptr=0x555555bcb690) = 14238
[pid 14238] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14238] setpgid(0, 0)               = 0
[pid 14238] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14238] write(3, "1000", 4)         = 4
[pid 14238] close(3)                    = 0
[pid 14238] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14238] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14238] pipe2([3, 4], 0)            = 0
[pid 14238] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14238] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14238] sync()                      = 0
[pid 14238] exit_group(0)               = ?
[pid 14238] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14238, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14239 attached
, child_tidptr=0x555555bcb690) = 14239
[pid 14239] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14239] setpgid(0, 0)               = 0
[pid 14239] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14239] write(3, "1000", 4)         = 4
[pid 14239] close(3)                    = 0
[pid 14239] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14239] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14239] pipe2([3, 4], 0)            = 0
[pid 14239] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14239] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14239] sync()                      = 0
[pid 14239] exit_group(0)               = ?
[pid 14239] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14239, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14240 attached
, child_tidptr=0x555555bcb690) = 14240
[pid 14240] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14240] setpgid(0, 0)               = 0
[pid 14240] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14240] write(3, "1000", 4)         = 4
[pid 14240] close(3)                    = 0
[pid 14240] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14240] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14240] pipe2([3, 4], 0)            = 0
[pid 14240] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14240] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14240] sync()                      = 0
[pid 14240] exit_group(0)               = ?
[pid 14240] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14240, si_uid=0, si_status=0, si_utime=1, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14241 attached
, child_tidptr=0x555555bcb690) = 14241
[pid 14241] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14241] setpgid(0, 0)               = 0
[pid 14241] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14241] write(3, "1000", 4)         = 4
[pid 14241] close(3)                    = 0
[pid 14241] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14241] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14241] pipe2([3, 4], 0)            = 0
[pid 14241] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14241] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14241] sync()                      = 0
[pid 14241] exit_group(0)               = ?
[pid 14241] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14241, si_uid=0, si_status=0, si_utime=1, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14242
./strace-static-x86_64: Process 14242 attached
[pid 14242] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14242] setpgid(0, 0)               = 0
[pid 14242] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14242] write(3, "1000", 4)         = 4
[pid 14242] close(3)                    = 0
[pid 14242] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14242] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14242] pipe2([3, 4], 0)            = 0
[pid 14242] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14242] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14242] sync()                      = 0
[pid 14242] exit_group(0)               = ?
[pid 14242] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14242, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14243 attached
 <unfinished ...>
[pid 14243] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14243] setpgid(0, 0)               = 0
[pid 14243] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3603] <... clone resumed>, child_tidptr=0x555555bcb690) = 14243
[pid 14243] <... openat resumed>)       = 3
[pid 14243] write(3, "1000", 4)         = 4
[pid 14243] close(3)                    = 0
[pid 14243] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14243] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14243] pipe2([3, 4], 0)            = 0
[pid 14243] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14243] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14243] sync()                      = 0
[pid 14243] exit_group(0)               = ?
[pid 14243] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14243, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14244
./strace-static-x86_64: Process 14244 attached
[pid 14244] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14244] setpgid(0, 0)               = 0
[pid 14244] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14244] write(3, "1000", 4)         = 4
[pid 14244] close(3)                    = 0
[pid 14244] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14244] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14244] pipe2([3, 4], 0)            = 0
[pid 14244] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14244] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14244] sync()                      = 0
[pid 14244] exit_group(0)               = ?
[pid 14244] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14244, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14245 attached
, child_tidptr=0x555555bcb690) = 14245
[pid 14245] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14245] setpgid(0, 0)               = 0
[pid 14245] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14245] write(3, "1000", 4)         = 4
[pid 14245] close(3)                    = 0
[pid 14245] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14245] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14245] pipe2([3, 4], 0)            = 0
[pid 14245] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14245] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14245] sync()                      = 0
[pid 14245] exit_group(0)               = ?
[pid 14245] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14245, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14246 attached
, child_tidptr=0x555555bcb690) = 14246
[pid 14246] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14246] setpgid(0, 0)               = 0
[pid 14246] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14246] write(3, "1000", 4)         = 4
[pid 14246] close(3)                    = 0
[pid 14246] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14246] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14246] pipe2([3, 4], 0)            = 0
[pid 14246] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14246] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14246] sync()                      = 0
[pid 14246] exit_group(0)               = ?
[pid 14246] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14246, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14247 attached
, child_tidptr=0x555555bcb690) = 14247
[pid 14247] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14247] setpgid(0, 0)               = 0
[pid 14247] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14247] write(3, "1000", 4)         = 4
[pid 14247] close(3)                    = 0
[pid 14247] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14247] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14247] pipe2([3, 4], 0)            = 0
[pid 14247] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14247] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14247] sync()                      = 0
[pid 14247] exit_group(0)               = ?
[pid 14247] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14247, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14248
./strace-static-x86_64: Process 14248 attached
[pid 14248] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14248] setpgid(0, 0)               = 0
[pid 14248] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14248] write(3, "1000", 4)         = 4
[pid 14248] close(3)                    = 0
[pid 14248] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14248] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14248] pipe2([3, 4], 0)            = 0
[pid 14248] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14248] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14248] sync()                      = 0
[pid 14248] exit_group(0)               = ?
[pid 14248] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14248, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14249 attached
, child_tidptr=0x555555bcb690) = 14249
[pid 14249] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14249] setpgid(0, 0)               = 0
[pid 14249] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14249] write(3, "1000", 4)         = 4
[pid 14249] close(3)                    = 0
[pid 14249] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14249] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14249] pipe2([3, 4], 0)            = 0
[pid 14249] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14249] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14249] sync()                      = 0
[pid 14249] exit_group(0)               = ?
[pid 14249] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14249, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14250
./strace-static-x86_64: Process 14250 attached
[pid 14250] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14250] setpgid(0, 0)               = 0
[pid 14250] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14250] write(3, "1000", 4)         = 4
[pid 14250] close(3)                    = 0
[pid 14250] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14250] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14250] pipe2([3, 4], 0)            = 0
[pid 14250] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14250] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14250] sync()                      = 0
[pid 14250] exit_group(0)               = ?
[pid 14250] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14250, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14251 attached
, child_tidptr=0x555555bcb690) = 14251
[pid 14251] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14251] setpgid(0, 0)               = 0
[pid 14251] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14251] write(3, "1000", 4)         = 4
[pid 14251] close(3)                    = 0
[pid 14251] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14251] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14251] pipe2([3, 4], 0)            = 0
[pid 14251] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14251] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14251] sync()                      = 0
[pid 14251] exit_group(0)               = ?
[pid 14251] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14251, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14252
./strace-static-x86_64: Process 14252 attached
[pid 14252] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14252] setpgid(0, 0)               = 0
[pid 14252] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14252] write(3, "1000", 4)         = 4
[pid 14252] close(3)                    = 0
[pid 14252] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14252] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14252] pipe2([3, 4], 0)            = 0
[pid 14252] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14252] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14252] sync()                      = 0
[pid 14252] exit_group(0)               = ?
[pid 14252] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14252, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14253 attached
, child_tidptr=0x555555bcb690) = 14253
[pid 14253] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14253] setpgid(0, 0)               = 0
[pid 14253] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14253] write(3, "1000", 4)         = 4
[pid 14253] close(3)                    = 0
[pid 14253] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14253] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14253] pipe2([3, 4], 0)            = 0
[pid 14253] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14253] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14253] sync()                      = 0
[pid 14253] exit_group(0)               = ?
[pid 14253] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14253, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14254 attached
, child_tidptr=0x555555bcb690) = 14254
[pid 14254] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14254] setpgid(0, 0)               = 0
[pid 14254] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14254] write(3, "1000", 4)         = 4
[pid 14254] close(3)                    = 0
[pid 14254] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14254] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14254] pipe2([3, 4], 0)            = 0
[pid 14254] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14254] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14254] sync()                      = 0
[pid 14254] exit_group(0)               = ?
[pid 14254] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14254, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14255
./strace-static-x86_64: Process 14255 attached
[pid 14255] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14255] setpgid(0, 0)               = 0
[pid 14255] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14255] write(3, "1000", 4)         = 4
[pid 14255] close(3)                    = 0
[pid 14255] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14255] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14255] pipe2([3, 4], 0)            = 0
[pid 14255] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14255] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14255] sync()                      = 0
[pid 14255] exit_group(0)               = ?
[pid 14255] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14255, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14256 attached
, child_tidptr=0x555555bcb690) = 14256
[pid 14256] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14256] setpgid(0, 0)               = 0
[pid 14256] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14256] write(3, "1000", 4)         = 4
[pid 14256] close(3)                    = 0
[pid 14256] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14256] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14256] pipe2([3, 4], 0)            = 0
[pid 14256] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14256] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14256] sync()                      = 0
[pid 14256] exit_group(0)               = ?
[pid 14256] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14256, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14257 attached
, child_tidptr=0x555555bcb690) = 14257
[pid 14257] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14257] setpgid(0, 0)               = 0
[pid 14257] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14257] write(3, "1000", 4)         = 4
[pid 14257] close(3)                    = 0
[pid 14257] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14257] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14257] pipe2([3, 4], 0)            = 0
[pid 14257] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14257] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14257] sync()                      = 0
[pid 14257] exit_group(0)               = ?
[pid 14257] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14257, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14258
./strace-static-x86_64: Process 14258 attached
[pid 14258] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14258] setpgid(0, 0)               = 0
[pid 14258] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14258] write(3, "1000", 4)         = 4
[pid 14258] close(3)                    = 0
[pid 14258] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14258] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14258] pipe2([3, 4], 0)            = 0
[pid 14258] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14258] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14258] sync()                      = 0
[pid 14258] exit_group(0)               = ?
[pid 14258] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14258, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14259
./strace-static-x86_64: Process 14259 attached
[pid 14259] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14259] setpgid(0, 0)               = 0
[pid 14259] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14259] write(3, "1000", 4)         = 4
[pid 14259] close(3)                    = 0
[pid 14259] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14259] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14259] pipe2([3, 4], 0)            = 0
[pid 14259] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14259] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14259] sync()                      = 0
[pid 14259] exit_group(0)               = ?
[pid 14259] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14259, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14260
./strace-static-x86_64: Process 14260 attached
[pid 14260] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14260] setpgid(0, 0)               = 0
[pid 14260] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14260] write(3, "1000", 4)         = 4
[pid 14260] close(3)                    = 0
[pid 14260] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14260] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14260] pipe2([3, 4], 0)            = 0
[pid 14260] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14260] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14260] sync()                      = 0
[pid 14260] exit_group(0)               = ?
[pid 14260] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14260, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14261 attached
, child_tidptr=0x555555bcb690) = 14261
[pid 14261] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14261] setpgid(0, 0)               = 0
[pid 14261] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14261] write(3, "1000", 4)         = 4
[pid 14261] close(3)                    = 0
[pid 14261] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14261] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14261] pipe2([3, 4], 0)            = 0
[pid 14261] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14261] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14261] sync()                      = 0
[pid 14261] exit_group(0)               = ?
[pid 14261] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14261, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14262 attached
, child_tidptr=0x555555bcb690) = 14262
[pid 14262] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14262] setpgid(0, 0)               = 0
[pid 14262] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14262] write(3, "1000", 4)         = 4
[pid 14262] close(3)                    = 0
[pid 14262] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14262] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14262] pipe2([3, 4], 0)            = 0
[pid 14262] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14262] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14262] sync()                      = 0
[pid 14262] exit_group(0)               = ?
[pid 14262] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14262, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14263 attached
, child_tidptr=0x555555bcb690) = 14263
[pid 14263] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14263] setpgid(0, 0)               = 0
[pid 14263] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14263] write(3, "1000", 4)         = 4
[pid 14263] close(3)                    = 0
[pid 14263] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14263] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14263] pipe2([3, 4], 0)            = 0
[pid 14263] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14263] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14263] sync()                      = 0
[pid 14263] exit_group(0)               = ?
[pid 14263] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14263, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14264
./strace-static-x86_64: Process 14264 attached
[pid 14264] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14264] setpgid(0, 0)               = 0
[pid 14264] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14264] write(3, "1000", 4)         = 4
[pid 14264] close(3)                    = 0
[pid 14264] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14264] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14264] pipe2([3, 4], 0)            = 0
[pid 14264] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14264] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14264] sync()                      = 0
[pid 14264] exit_group(0)               = ?
[pid 14264] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14264, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14265
./strace-static-x86_64: Process 14265 attached
[pid 14265] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14265] setpgid(0, 0)               = 0
[pid 14265] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14265] write(3, "1000", 4)         = 4
[pid 14265] close(3)                    = 0
[pid 14265] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14265] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14265] pipe2([3, 4], 0)            = 0
[pid 14265] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14265] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14265] sync()                      = 0
[pid 14265] exit_group(0)               = ?
[pid 14265] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14265, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14266 attached
, child_tidptr=0x555555bcb690) = 14266
[pid 14266] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14266] setpgid(0, 0)               = 0
[pid 14266] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14266] write(3, "1000", 4)         = 4
[pid 14266] close(3)                    = 0
[pid 14266] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14266] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14266] pipe2([3, 4], 0)            = 0
[pid 14266] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14266] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14266] sync()                      = 0
[pid 14266] exit_group(0)               = ?
[pid 14266] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14266, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14267 attached
, child_tidptr=0x555555bcb690) = 14267
[pid 14267] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14267] setpgid(0, 0)               = 0
[pid 14267] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14267] write(3, "1000", 4)         = 4
[pid 14267] close(3)                    = 0
[pid 14267] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14267] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14267] pipe2([3, 4], 0)            = 0
[pid 14267] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14267] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14267] sync()                      = 0
[pid 14267] exit_group(0)               = ?
[pid 14267] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14267, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14268 attached
, child_tidptr=0x555555bcb690) = 14268
[pid 14268] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14268] setpgid(0, 0)               = 0
[pid 14268] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14268] write(3, "1000", 4)         = 4
[pid 14268] close(3)                    = 0
[pid 14268] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14268] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14268] pipe2([3, 4], 0)            = 0
[pid 14268] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14268] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14268] sync()                      = 0
[pid 14268] exit_group(0)               = ?
[pid 14268] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14268, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14269 attached
, child_tidptr=0x555555bcb690) = 14269
[pid 14269] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14269] setpgid(0, 0)               = 0
[pid 14269] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14269] write(3, "1000", 4)         = 4
[pid 14269] close(3)                    = 0
[pid 14269] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14269] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14269] pipe2([3, 4], 0)            = 0
[pid 14269] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14269] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14269] sync()                      = 0
[pid 14269] exit_group(0)               = ?
[pid 14269] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14269, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14270
./strace-static-x86_64: Process 14270 attached
[pid 14270] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14270] setpgid(0, 0)               = 0
[pid 14270] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14270] write(3, "1000", 4)         = 4
[pid 14270] close(3)                    = 0
[pid 14270] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14270] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14270] pipe2([3, 4], 0)            = 0
[pid 14270] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14270] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14270] sync()                      = 0
[pid 14270] exit_group(0)               = ?
[pid 14270] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14270, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14271
./strace-static-x86_64: Process 14271 attached
[pid 14271] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14271] setpgid(0, 0)               = 0
[pid 14271] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14271] write(3, "1000", 4)         = 4
[pid 14271] close(3)                    = 0
[pid 14271] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14271] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14271] pipe2([3, 4], 0)            = 0
[pid 14271] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14271] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14271] sync()                      = 0
[pid 14271] exit_group(0)               = ?
[pid 14271] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14271, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14272 attached
, child_tidptr=0x555555bcb690) = 14272
[pid 14272] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14272] setpgid(0, 0)               = 0
[pid 14272] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14272] write(3, "1000", 4)         = 4
[pid 14272] close(3)                    = 0
[pid 14272] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14272] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14272] pipe2([3, 4], 0)            = 0
[pid 14272] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14272] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14272] sync()                      = 0
[pid 14272] exit_group(0)               = ?
[pid 14272] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14272, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14273
./strace-static-x86_64: Process 14273 attached
[pid 14273] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14273] setpgid(0, 0)               = 0
[pid 14273] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14273] write(3, "1000", 4)         = 4
[pid 14273] close(3)                    = 0
[pid 14273] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14273] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14273] pipe2([3, 4], 0)            = 0
[pid 14273] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14273] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14273] sync()                      = 0
[pid 14273] exit_group(0)               = ?
[pid 14273] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14273, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14274
./strace-static-x86_64: Process 14274 attached
[pid 14274] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14274] setpgid(0, 0)               = 0
[pid 14274] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14274] write(3, "1000", 4)         = 4
[pid 14274] close(3)                    = 0
[pid 14274] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14274] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14274] pipe2([3, 4], 0)            = 0
[pid 14274] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14274] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14274] sync()                      = 0
[pid 14274] exit_group(0)               = ?
[pid 14274] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14274, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14275 attached
, child_tidptr=0x555555bcb690) = 14275
[pid 14275] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14275] setpgid(0, 0)               = 0
[pid 14275] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14275] write(3, "1000", 4)         = 4
[pid 14275] close(3)                    = 0
[pid 14275] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14275] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14275] pipe2([3, 4], 0)            = 0
[pid 14275] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14275] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14275] sync()                      = 0
[pid 14275] exit_group(0)               = ?
[pid 14275] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14275, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14276
./strace-static-x86_64: Process 14276 attached
[pid 14276] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14276] setpgid(0, 0)               = 0
[pid 14276] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14276] write(3, "1000", 4)         = 4
[pid 14276] close(3)                    = 0
[pid 14276] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14276] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14276] pipe2([3, 4], 0)            = 0
[pid 14276] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14276] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14276] sync()                      = 0
[pid 14276] exit_group(0)               = ?
[pid 14276] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14276, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14277
./strace-static-x86_64: Process 14277 attached
[pid 14277] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14277] setpgid(0, 0)               = 0
[pid 14277] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14277] write(3, "1000", 4)         = 4
[pid 14277] close(3)                    = 0
[pid 14277] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14277] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14277] pipe2([3, 4], 0)            = 0
[pid 14277] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14277] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14277] sync()                      = 0
[pid 14277] exit_group(0)               = ?
[pid 14277] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14277, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14278 attached
, child_tidptr=0x555555bcb690) = 14278
[pid 14278] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14278] setpgid(0, 0)               = 0
[pid 14278] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14278] write(3, "1000", 4)         = 4
[pid 14278] close(3)                    = 0
[pid 14278] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14278] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14278] pipe2([3, 4], 0)            = 0
[pid 14278] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14278] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14278] sync()                      = 0
[pid 14278] exit_group(0)               = ?
[pid 14278] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14278, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14279 attached
, child_tidptr=0x555555bcb690) = 14279
[pid 14279] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14279] setpgid(0, 0)               = 0
[pid 14279] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14279] write(3, "1000", 4)         = 4
[pid 14279] close(3)                    = 0
[pid 14279] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14279] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14279] pipe2([3, 4], 0)            = 0
[pid 14279] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14279] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14279] sync()                      = 0
[pid 14279] exit_group(0)               = ?
[pid 14279] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14279, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14280 attached
, child_tidptr=0x555555bcb690) = 14280
[pid 14280] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14280] setpgid(0, 0)               = 0
[pid 14280] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14280] write(3, "1000", 4)         = 4
[pid 14280] close(3)                    = 0
[pid 14280] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14280] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14280] pipe2([3, 4], 0)            = 0
[pid 14280] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14280] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14280] sync()                      = 0
[pid 14280] exit_group(0)               = ?
[pid 14280] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14280, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14281 attached
 <unfinished ...>
[pid 14281] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14281] setpgid(0, 0)               = 0
[pid 14281] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14281] write(3, "1000", 4)         = 4
[pid 14281] close(3)                    = 0
[pid 14281] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14281] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14281] pipe2([3, 4], 0)            = 0
[pid 14281] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14281] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," <unfinished ...>
[pid  3603] <... clone resumed>, child_tidptr=0x555555bcb690) = 14281
[pid 14281] <... mount resumed>)        = -1 EINVAL (Invalid argument)
[pid 14281] sync()                      = 0
[pid 14281] exit_group(0)               = ?
[pid 14281] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14281, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14282 attached
, child_tidptr=0x555555bcb690) = 14282
[pid 14282] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14282] setpgid(0, 0)               = 0
[pid 14282] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14282] write(3, "1000", 4)         = 4
[pid 14282] close(3)                    = 0
[pid 14282] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14282] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14282] pipe2([3, 4], 0)            = 0
[pid 14282] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14282] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14282] sync()                      = 0
[pid 14282] exit_group(0)               = ?
[pid 14282] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14282, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14283 attached
, child_tidptr=0x555555bcb690) = 14283
[pid 14283] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14283] setpgid(0, 0)               = 0
[pid 14283] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14283] write(3, "1000", 4)         = 4
[pid 14283] close(3)                    = 0
[pid 14283] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14283] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14283] pipe2([3, 4], 0)            = 0
[pid 14283] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14283] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14283] sync()                      = 0
[pid 14283] exit_group(0)               = ?
[pid 14283] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14283, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14284
./strace-static-x86_64: Process 14284 attached
[pid 14284] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14284] setpgid(0, 0)               = 0
[pid 14284] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14284] write(3, "1000", 4)         = 4
[pid 14284] close(3)                    = 0
[pid 14284] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14284] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14284] pipe2([3, 4], 0)            = 0
[pid 14284] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14284] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14284] sync()                      = 0
[pid 14284] exit_group(0)               = ?
[pid 14284] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14284, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14285 attached
, child_tidptr=0x555555bcb690) = 14285
[pid 14285] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14285] setpgid(0, 0)               = 0
[pid 14285] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14285] write(3, "1000", 4)         = 4
[pid 14285] close(3)                    = 0
[pid 14285] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14285] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14285] pipe2([3, 4], 0)            = 0
[pid 14285] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14285] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14285] sync()                      = 0
[pid 14285] exit_group(0)               = ?
[pid 14285] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14285, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14286 attached
, child_tidptr=0x555555bcb690) = 14286
[pid 14286] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14286] setpgid(0, 0)               = 0
[pid 14286] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14286] write(3, "1000", 4)         = 4
[pid 14286] close(3)                    = 0
[pid 14286] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14286] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14286] pipe2([3, 4], 0)            = 0
[pid 14286] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14286] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14286] sync()                      = 0
[pid 14286] exit_group(0)               = ?
[pid 14286] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14286, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14287 attached
, child_tidptr=0x555555bcb690) = 14287
[pid 14287] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14287] setpgid(0, 0)               = 0
[pid 14287] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14287] write(3, "1000", 4)         = 4
[pid 14287] close(3)                    = 0
[pid 14287] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14287] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14287] pipe2([3, 4], 0)            = 0
[pid 14287] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14287] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14287] sync()                      = 0
[pid 14287] exit_group(0)               = ?
[pid 14287] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14287, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14288
./strace-static-x86_64: Process 14288 attached
[pid 14288] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14288] setpgid(0, 0)               = 0
[pid 14288] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14288] write(3, "1000", 4)         = 4
[pid 14288] close(3)                    = 0
[pid 14288] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14288] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14288] pipe2([3, 4], 0)            = 0
[pid 14288] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14288] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14288] sync()                      = 0
[pid 14288] exit_group(0)               = ?
[pid 14288] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14288, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14289 attached
, child_tidptr=0x555555bcb690) = 14289
[pid 14289] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14289] setpgid(0, 0)               = 0
[pid 14289] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14289] write(3, "1000", 4)         = 4
[pid 14289] close(3)                    = 0
[pid 14289] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14289] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14289] pipe2([3, 4], 0)            = 0
[pid 14289] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14289] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14289] sync()                      = 0
[pid 14289] exit_group(0)               = ?
[pid 14289] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14289, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14290
./strace-static-x86_64: Process 14290 attached
[pid 14290] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14290] setpgid(0, 0)               = 0
[pid 14290] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14290] write(3, "1000", 4)         = 4
[pid 14290] close(3)                    = 0
[pid 14290] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14290] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14290] pipe2([3, 4], 0)            = 0
[pid 14290] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14290] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14290] sync()                      = 0
[pid 14290] exit_group(0)               = ?
[pid 14290] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14290, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14291 attached
 <unfinished ...>
[pid 14291] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14291] setpgid(0, 0)               = 0
[pid 14291] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3603] <... clone resumed>, child_tidptr=0x555555bcb690) = 14291
[pid 14291] <... openat resumed>)       = 3
[pid 14291] write(3, "1000", 4)         = 4
[pid 14291] close(3)                    = 0
[pid 14291] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14291] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14291] pipe2([3, 4], 0)            = 0
[pid 14291] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14291] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14291] sync()                      = 0
[pid 14291] exit_group(0)               = ?
[pid 14291] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14291, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14292
./strace-static-x86_64: Process 14292 attached
[pid 14292] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14292] setpgid(0, 0)               = 0
[pid 14292] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14292] write(3, "1000", 4)         = 4
[pid 14292] close(3)                    = 0
[pid 14292] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14292] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14292] pipe2([3, 4], 0)            = 0
[pid 14292] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14292] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14292] sync()                      = 0
[pid 14292] exit_group(0)               = ?
[pid 14292] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14292, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14293
./strace-static-x86_64: Process 14293 attached
[pid 14293] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14293] setpgid(0, 0)               = 0
[pid 14293] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14293] write(3, "1000", 4)         = 4
[pid 14293] close(3)                    = 0
[pid 14293] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14293] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14293] pipe2([3, 4], 0)            = 0
[pid 14293] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14293] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14293] sync()                      = 0
[pid 14293] exit_group(0)               = ?
[pid 14293] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14293, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14294 attached
, child_tidptr=0x555555bcb690) = 14294
[pid 14294] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14294] setpgid(0, 0)               = 0
[pid 14294] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14294] write(3, "1000", 4)         = 4
[pid 14294] close(3)                    = 0
[pid 14294] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14294] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14294] pipe2([3, 4], 0)            = 0
[pid 14294] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14294] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14294] sync()                      = 0
[pid 14294] exit_group(0)               = ?
[pid 14294] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14294, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14295
./strace-static-x86_64: Process 14295 attached
[pid 14295] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14295] setpgid(0, 0)               = 0
[pid 14295] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14295] write(3, "1000", 4)         = 4
[pid 14295] close(3)                    = 0
[pid 14295] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14295] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14295] pipe2([3, 4], 0)            = 0
[pid 14295] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14295] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14295] sync()                      = 0
[pid 14295] exit_group(0)               = ?
[pid 14295] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14295, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14296
./strace-static-x86_64: Process 14296 attached
[pid 14296] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14296] setpgid(0, 0)               = 0
[pid 14296] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14296] write(3, "1000", 4)         = 4
[pid 14296] close(3)                    = 0
[pid 14296] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14296] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14296] pipe2([3, 4], 0)            = 0
[pid 14296] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14296] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14296] sync()                      = 0
[pid 14296] exit_group(0)               = ?
[pid 14296] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14296, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14297 attached
, child_tidptr=0x555555bcb690) = 14297
[pid 14297] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14297] setpgid(0, 0)               = 0
[pid 14297] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14297] write(3, "1000", 4)         = 4
[pid 14297] close(3)                    = 0
[pid 14297] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14297] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14297] pipe2([3, 4], 0)            = 0
[pid 14297] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14297] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14297] sync()                      = 0
[pid 14297] exit_group(0)               = ?
[pid 14297] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14297, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14298
./strace-static-x86_64: Process 14298 attached
[pid 14298] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14298] setpgid(0, 0)               = 0
[pid 14298] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14298] write(3, "1000", 4)         = 4
[pid 14298] close(3)                    = 0
[pid 14298] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14298] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14298] pipe2([3, 4], 0)            = 0
[pid 14298] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14298] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14298] sync()                      = 0
[pid 14298] exit_group(0)               = ?
[pid 14298] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14298, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14299
./strace-static-x86_64: Process 14299 attached
[pid 14299] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14299] setpgid(0, 0)               = 0
[pid 14299] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14299] write(3, "1000", 4)         = 4
[pid 14299] close(3)                    = 0
[pid 14299] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14299] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14299] pipe2([3, 4], 0)            = 0
[pid 14299] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14299] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14299] sync()                      = 0
[pid 14299] exit_group(0)               = ?
[pid 14299] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14299, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14300
./strace-static-x86_64: Process 14300 attached
[pid 14300] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14300] setpgid(0, 0)               = 0
[pid 14300] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14300] write(3, "1000", 4)         = 4
[pid 14300] close(3)                    = 0
[pid 14300] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14300] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14300] pipe2([3, 4], 0)            = 0
[pid 14300] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14300] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14300] sync()                      = 0
[pid 14300] exit_group(0)               = ?
[pid 14300] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14300, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14301
./strace-static-x86_64: Process 14301 attached
[pid 14301] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14301] setpgid(0, 0)               = 0
[pid 14301] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14301] write(3, "1000", 4)         = 4
[pid 14301] close(3)                    = 0
[pid 14301] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14301] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14301] pipe2([3, 4], 0)            = 0
[pid 14301] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14301] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14301] sync()                      = 0
[pid 14301] exit_group(0)               = ?
[pid 14301] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14301, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14302
./strace-static-x86_64: Process 14302 attached
[pid 14302] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14302] setpgid(0, 0)               = 0
[pid 14302] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14302] write(3, "1000", 4)         = 4
[pid 14302] close(3)                    = 0
[pid 14302] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14302] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14302] pipe2([3, 4], 0)            = 0
[pid 14302] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14302] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14302] sync()                      = 0
[pid 14302] exit_group(0)               = ?
[pid 14302] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14302, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14303 attached
, child_tidptr=0x555555bcb690) = 14303
[pid 14303] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14303] setpgid(0, 0)               = 0
[pid 14303] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14303] write(3, "1000", 4)         = 4
[pid 14303] close(3)                    = 0
[pid 14303] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14303] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14303] pipe2([3, 4], 0)            = 0
[pid 14303] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14303] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14303] sync()                      = 0
[pid 14303] exit_group(0)               = ?
[pid 14303] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14303, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14304
./strace-static-x86_64: Process 14304 attached
[pid 14304] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14304] setpgid(0, 0)               = 0
[pid 14304] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14304] write(3, "1000", 4)         = 4
[pid 14304] close(3)                    = 0
[pid 14304] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14304] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14304] pipe2([3, 4], 0)            = 0
[pid 14304] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14304] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14304] sync()                      = 0
[pid 14304] exit_group(0)               = ?
[pid 14304] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14304, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14305 attached
, child_tidptr=0x555555bcb690) = 14305
[pid 14305] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14305] setpgid(0, 0)               = 0
[pid 14305] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14305] write(3, "1000", 4)         = 4
[pid 14305] close(3)                    = 0
[pid 14305] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14305] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14305] pipe2([3, 4], 0)            = 0
[pid 14305] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14305] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14305] sync()                      = 0
[pid 14305] exit_group(0)               = ?
[pid 14305] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14305, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14306 attached
, child_tidptr=0x555555bcb690) = 14306
[pid 14306] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14306] setpgid(0, 0)               = 0
[pid 14306] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14306] write(3, "1000", 4)         = 4
[pid 14306] close(3)                    = 0
[pid 14306] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14306] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14306] pipe2([3, 4], 0)            = 0
[pid 14306] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14306] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14306] sync()                      = 0
[pid 14306] exit_group(0)               = ?
[pid 14306] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14306, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14307 attached
, child_tidptr=0x555555bcb690) = 14307
[pid 14307] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14307] setpgid(0, 0)               = 0
[pid 14307] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14307] write(3, "1000", 4)         = 4
[pid 14307] close(3)                    = 0
[pid 14307] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14307] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14307] pipe2([3, 4], 0)            = 0
[pid 14307] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14307] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14307] sync()                      = 0
[pid 14307] exit_group(0)               = ?
[pid 14307] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14307, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14308
./strace-static-x86_64: Process 14308 attached
[pid 14308] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14308] setpgid(0, 0)               = 0
[pid 14308] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14308] write(3, "1000", 4)         = 4
[pid 14308] close(3)                    = 0
[pid 14308] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14308] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14308] pipe2([3, 4], 0)            = 0
[pid 14308] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14308] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14308] sync()                      = 0
[pid 14308] exit_group(0)               = ?
[pid 14308] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14308, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14309 attached
, child_tidptr=0x555555bcb690) = 14309
[pid 14309] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14309] setpgid(0, 0)               = 0
[pid 14309] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14309] write(3, "1000", 4)         = 4
[pid 14309] close(3)                    = 0
[pid 14309] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14309] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14309] pipe2([3, 4], 0)            = 0
[pid 14309] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14309] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14309] sync()                      = 0
[pid 14309] exit_group(0)               = ?
[pid 14309] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14309, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14310 attached
, child_tidptr=0x555555bcb690) = 14310
[pid 14310] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14310] setpgid(0, 0)               = 0
[pid 14310] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14310] write(3, "1000", 4)         = 4
[pid 14310] close(3)                    = 0
[pid 14310] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14310] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14310] pipe2([3, 4], 0)            = 0
[pid 14310] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14310] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14310] sync()                      = 0
[pid 14310] exit_group(0)               = ?
[pid 14310] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14310, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14311
./strace-static-x86_64: Process 14311 attached
[pid 14311] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14311] setpgid(0, 0)               = 0
[pid 14311] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14311] write(3, "1000", 4)         = 4
[pid 14311] close(3)                    = 0
[pid 14311] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14311] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14311] pipe2([3, 4], 0)            = 0
[pid 14311] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14311] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14311] sync()                      = 0
[pid 14311] exit_group(0)               = ?
[pid 14311] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14311, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14312 attached
, child_tidptr=0x555555bcb690) = 14312
[pid 14312] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14312] setpgid(0, 0)               = 0
[pid 14312] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14312] write(3, "1000", 4)         = 4
[pid 14312] close(3)                    = 0
[pid 14312] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14312] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14312] pipe2([3, 4], 0)            = 0
[pid 14312] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14312] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14312] sync()                      = 0
[pid 14312] exit_group(0)               = ?
[pid 14312] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14312, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14313
./strace-static-x86_64: Process 14313 attached
[pid 14313] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14313] setpgid(0, 0)               = 0
[pid 14313] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14313] write(3, "1000", 4)         = 4
[pid 14313] close(3)                    = 0
[pid 14313] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14313] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14313] pipe2([3, 4], 0)            = 0
[pid 14313] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14313] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14313] sync()                      = 0
[pid 14313] exit_group(0)               = ?
[pid 14313] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14313, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14314 attached
, child_tidptr=0x555555bcb690) = 14314
[pid 14314] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14314] setpgid(0, 0)               = 0
[pid 14314] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14314] write(3, "1000", 4)         = 4
[pid 14314] close(3)                    = 0
[pid 14314] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14314] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14314] pipe2([3, 4], 0)            = 0
[pid 14314] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14314] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14314] sync()                      = 0
[pid 14314] exit_group(0)               = ?
[pid 14314] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14314, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14315 attached
, child_tidptr=0x555555bcb690) = 14315
[pid 14315] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14315] setpgid(0, 0)               = 0
[pid 14315] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14315] write(3, "1000", 4)         = 4
[pid 14315] close(3)                    = 0
[pid 14315] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14315] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14315] pipe2([3, 4], 0)            = 0
[pid 14315] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14315] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14315] sync()                      = 0
[pid 14315] exit_group(0)               = ?
[pid 14315] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14315, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14316
./strace-static-x86_64: Process 14316 attached
[pid 14316] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14316] setpgid(0, 0)               = 0
[pid 14316] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14316] write(3, "1000", 4)         = 4
[pid 14316] close(3)                    = 0
[pid 14316] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14316] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14316] pipe2([3, 4], 0)            = 0
[pid 14316] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14316] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14316] sync()                      = 0
[pid 14316] exit_group(0)               = ?
[pid 14316] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14316, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14317
./strace-static-x86_64: Process 14317 attached
[pid 14317] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14317] setpgid(0, 0)               = 0
[pid 14317] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14317] write(3, "1000", 4)         = 4
[pid 14317] close(3)                    = 0
[pid 14317] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14317] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14317] pipe2([3, 4], 0)            = 0
[pid 14317] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14317] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14317] sync()                      = 0
[pid 14317] exit_group(0)               = ?
[pid 14317] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14317, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14318 attached
, child_tidptr=0x555555bcb690) = 14318
[pid 14318] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14318] setpgid(0, 0)               = 0
[pid 14318] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14318] write(3, "1000", 4)         = 4
[pid 14318] close(3)                    = 0
[pid 14318] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14318] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14318] pipe2([3, 4], 0)            = 0
[pid 14318] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14318] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14318] sync()                      = 0
[pid 14318] exit_group(0)               = ?
[pid 14318] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14318, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14319 attached
, child_tidptr=0x555555bcb690) = 14319
[pid 14319] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14319] setpgid(0, 0)               = 0
[pid 14319] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14319] write(3, "1000", 4)         = 4
[pid 14319] close(3)                    = 0
[pid 14319] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14319] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14319] pipe2([3, 4], 0)            = 0
[pid 14319] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14319] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14319] sync()                      = 0
[pid 14319] exit_group(0)               = ?
[pid 14319] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14319, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14320 attached
, child_tidptr=0x555555bcb690) = 14320
[pid 14320] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14320] setpgid(0, 0)               = 0
[pid 14320] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14320] write(3, "1000", 4)         = 4
[pid 14320] close(3)                    = 0
[pid 14320] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14320] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14320] pipe2([3, 4], 0)            = 0
[pid 14320] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14320] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14320] sync()                      = 0
[pid 14320] exit_group(0)               = ?
[pid 14320] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14320, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14321 attached
, child_tidptr=0x555555bcb690) = 14321
[pid 14321] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14321] setpgid(0, 0)               = 0
[pid 14321] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14321] write(3, "1000", 4)         = 4
[pid 14321] close(3)                    = 0
[pid 14321] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14321] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14321] pipe2([3, 4], 0)            = 0
[pid 14321] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14321] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14321] sync()                      = 0
[pid 14321] exit_group(0)               = ?
[pid 14321] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14321, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14322 attached
, child_tidptr=0x555555bcb690) = 14322
[pid 14322] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14322] setpgid(0, 0)               = 0
[pid 14322] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14322] write(3, "1000", 4)         = 4
[pid 14322] close(3)                    = 0
[pid 14322] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14322] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14322] pipe2([3, 4], 0)            = 0
[pid 14322] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14322] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14322] sync()                      = 0
[pid 14322] exit_group(0)               = ?
[pid 14322] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14322, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14323 attached
, child_tidptr=0x555555bcb690) = 14323
[pid 14323] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14323] setpgid(0, 0)               = 0
[pid 14323] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14323] write(3, "1000", 4)         = 4
[pid 14323] close(3)                    = 0
[pid 14323] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14323] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14323] pipe2([3, 4], 0)            = 0
[pid 14323] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14323] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14323] sync()                      = 0
[pid 14323] exit_group(0)               = ?
[pid 14323] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14323, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14324 attached
, child_tidptr=0x555555bcb690) = 14324
[pid 14324] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14324] setpgid(0, 0)               = 0
[pid 14324] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14324] write(3, "1000", 4)         = 4
[pid 14324] close(3)                    = 0
[pid 14324] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14324] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14324] pipe2([3, 4], 0)            = 0
[pid 14324] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14324] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14324] sync()                      = 0
[pid 14324] exit_group(0)               = ?
[pid 14324] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14324, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14325
./strace-static-x86_64: Process 14325 attached
[pid 14325] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14325] setpgid(0, 0)               = 0
[pid 14325] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14325] write(3, "1000", 4)         = 4
[pid 14325] close(3)                    = 0
[pid 14325] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14325] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14325] pipe2([3, 4], 0)            = 0
[pid 14325] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14325] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14325] sync()                      = 0
[pid 14325] exit_group(0)               = ?
[pid 14325] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14325, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14326
./strace-static-x86_64: Process 14326 attached
[pid 14326] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14326] setpgid(0, 0)               = 0
[pid 14326] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14326] write(3, "1000", 4)         = 4
[pid 14326] close(3)                    = 0
[pid 14326] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14326] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14326] pipe2([3, 4], 0)            = 0
[pid 14326] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14326] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14326] sync()                      = 0
[pid 14326] exit_group(0)               = ?
[pid 14326] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14326, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14327
./strace-static-x86_64: Process 14327 attached
[pid 14327] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14327] setpgid(0, 0)               = 0
[pid 14327] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14327] write(3, "1000", 4)         = 4
[pid 14327] close(3)                    = 0
[pid 14327] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14327] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14327] pipe2([3, 4], 0)            = 0
[pid 14327] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14327] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14327] sync()                      = 0
[pid 14327] exit_group(0)               = ?
[pid 14327] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14327, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14328 attached
, child_tidptr=0x555555bcb690) = 14328
[pid 14328] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14328] setpgid(0, 0)               = 0
[pid 14328] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14328] write(3, "1000", 4)         = 4
[pid 14328] close(3)                    = 0
[pid 14328] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14328] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14328] pipe2([3, 4], 0)            = 0
[pid 14328] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14328] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14328] sync()                      = 0
[pid 14328] exit_group(0)               = ?
[pid 14328] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14328, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14329 attached
, child_tidptr=0x555555bcb690) = 14329
[pid 14329] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14329] setpgid(0, 0)               = 0
[pid 14329] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14329] write(3, "1000", 4)         = 4
[pid 14329] close(3)                    = 0
[pid 14329] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14329] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14329] pipe2([3, 4], 0)            = 0
[pid 14329] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14329] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14329] sync()                      = 0
[pid 14329] exit_group(0)               = ?
[pid 14329] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14329, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14330 attached
, child_tidptr=0x555555bcb690) = 14330
[pid 14330] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14330] setpgid(0, 0)               = 0
[pid 14330] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14330] write(3, "1000", 4)         = 4
[pid 14330] close(3)                    = 0
[pid 14330] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14330] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14330] pipe2([3, 4], 0)            = 0
[pid 14330] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14330] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14330] sync()                      = 0
[pid 14330] exit_group(0)               = ?
[pid 14330] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14330, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14331 attached
, child_tidptr=0x555555bcb690) = 14331
[pid 14331] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14331] setpgid(0, 0)               = 0
[pid 14331] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14331] write(3, "1000", 4)         = 4
[pid 14331] close(3)                    = 0
[pid 14331] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14331] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14331] pipe2([3, 4], 0)            = 0
[pid 14331] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14331] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14331] sync()                      = 0
[pid 14331] exit_group(0)               = ?
[pid 14331] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14331, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14332
./strace-static-x86_64: Process 14332 attached
[pid 14332] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14332] setpgid(0, 0)               = 0
[pid 14332] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14332] write(3, "1000", 4)         = 4
[pid 14332] close(3)                    = 0
[pid 14332] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14332] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14332] pipe2([3, 4], 0)            = 0
[pid 14332] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14332] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14332] sync()                      = 0
[pid 14332] exit_group(0)               = ?
[pid 14332] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14332, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14333 attached
, child_tidptr=0x555555bcb690) = 14333
[pid 14333] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14333] setpgid(0, 0)               = 0
[pid 14333] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14333] write(3, "1000", 4)         = 4
[pid 14333] close(3)                    = 0
[pid 14333] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14333] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14333] pipe2([3, 4], 0)            = 0
[pid 14333] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14333] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14333] sync()                      = 0
[pid 14333] exit_group(0)               = ?
[pid 14333] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14333, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14334 attached
, child_tidptr=0x555555bcb690) = 14334
[pid 14334] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14334] setpgid(0, 0)               = 0
[pid 14334] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14334] write(3, "1000", 4)         = 4
[pid 14334] close(3)                    = 0
[pid 14334] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14334] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14334] pipe2([3, 4], 0)            = 0
[pid 14334] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14334] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14334] sync()                      = 0
[pid 14334] exit_group(0)               = ?
[pid 14334] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14334, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14335
./strace-static-x86_64: Process 14335 attached
[pid 14335] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14335] setpgid(0, 0)               = 0
[pid 14335] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14335] write(3, "1000", 4)         = 4
[pid 14335] close(3)                    = 0
[pid 14335] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14335] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14335] pipe2([3, 4], 0)            = 0
[pid 14335] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14335] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14335] sync()                      = 0
[pid 14335] exit_group(0)               = ?
[pid 14335] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14335, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14336
./strace-static-x86_64: Process 14336 attached
[pid 14336] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14336] setpgid(0, 0)               = 0
[pid 14336] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14336] write(3, "1000", 4)         = 4
[pid 14336] close(3)                    = 0
[pid 14336] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14336] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14336] pipe2([3, 4], 0)            = 0
[pid 14336] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14336] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14336] sync()                      = 0
[pid 14336] exit_group(0)               = ?
[pid 14336] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14336, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14337 attached
, child_tidptr=0x555555bcb690) = 14337
[pid 14337] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14337] setpgid(0, 0)               = 0
[pid 14337] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14337] write(3, "1000", 4)         = 4
[pid 14337] close(3)                    = 0
[pid 14337] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14337] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14337] pipe2([3, 4], 0)            = 0
[pid 14337] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14337] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14337] sync()                      = 0
[pid 14337] exit_group(0)               = ?
[pid 14337] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14337, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14338
./strace-static-x86_64: Process 14338 attached
[pid 14338] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14338] setpgid(0, 0)               = 0
[pid 14338] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14338] write(3, "1000", 4)         = 4
[pid 14338] close(3)                    = 0
[pid 14338] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14338] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14338] pipe2([3, 4], 0)            = 0
[pid 14338] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14338] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14338] sync()                      = 0
[pid 14338] exit_group(0)               = ?
[pid 14338] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14338, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14339 attached
, child_tidptr=0x555555bcb690) = 14339
[pid 14339] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14339] setpgid(0, 0)               = 0
[pid 14339] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14339] write(3, "1000", 4)         = 4
[pid 14339] close(3)                    = 0
[pid 14339] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14339] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14339] pipe2([3, 4], 0)            = 0
[pid 14339] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14339] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14339] sync()                      = 0
[pid 14339] exit_group(0)               = ?
[pid 14339] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14339, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14340 attached
, child_tidptr=0x555555bcb690) = 14340
[pid 14340] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14340] setpgid(0, 0)               = 0
[pid 14340] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14340] write(3, "1000", 4)         = 4
[pid 14340] close(3)                    = 0
[pid 14340] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14340] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14340] pipe2([3, 4], 0)            = 0
[pid 14340] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14340] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14340] sync()                      = 0
[pid 14340] exit_group(0)               = ?
[pid 14340] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14340, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14341 attached
, child_tidptr=0x555555bcb690) = 14341
[pid 14341] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14341] setpgid(0, 0)               = 0
[pid 14341] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14341] write(3, "1000", 4)         = 4
[pid 14341] close(3)                    = 0
[pid 14341] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14341] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14341] pipe2([3, 4], 0)            = 0
[pid 14341] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14341] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14341] sync()                      = 0
[pid 14341] exit_group(0)               = ?
[pid 14341] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14341, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14342
./strace-static-x86_64: Process 14342 attached
[pid 14342] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14342] setpgid(0, 0)               = 0
[pid 14342] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14342] write(3, "1000", 4)         = 4
[pid 14342] close(3)                    = 0
[pid 14342] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14342] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14342] pipe2([3, 4], 0)            = 0
[pid 14342] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14342] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14342] sync()                      = 0
[pid 14342] exit_group(0)               = ?
[pid 14342] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14342, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14343
./strace-static-x86_64: Process 14343 attached
[pid 14343] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14343] setpgid(0, 0)               = 0
[pid 14343] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14343] write(3, "1000", 4)         = 4
[pid 14343] close(3)                    = 0
[pid 14343] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14343] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14343] pipe2([3, 4], 0)            = 0
[pid 14343] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14343] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14343] sync()                      = 0
[pid 14343] exit_group(0)               = ?
[pid 14343] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14343, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14344
./strace-static-x86_64: Process 14344 attached
[pid 14344] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14344] setpgid(0, 0)               = 0
[pid 14344] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14344] write(3, "1000", 4)         = 4
[pid 14344] close(3)                    = 0
[pid 14344] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14344] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14344] pipe2([3, 4], 0)            = 0
[pid 14344] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14344] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14344] sync()                      = 0
[pid 14344] exit_group(0)               = ?
[pid 14344] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14344, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14345 attached
, child_tidptr=0x555555bcb690) = 14345
[pid 14345] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14345] setpgid(0, 0)               = 0
[pid 14345] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14345] write(3, "1000", 4)         = 4
[pid 14345] close(3)                    = 0
[pid 14345] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14345] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14345] pipe2([3, 4], 0)            = 0
[pid 14345] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14345] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14345] sync()                      = 0
[pid 14345] exit_group(0)               = ?
[pid 14345] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14345, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14346
./strace-static-x86_64: Process 14346 attached
[pid 14346] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14346] setpgid(0, 0)               = 0
[pid 14346] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14346] write(3, "1000", 4)         = 4
[pid 14346] close(3)                    = 0
[pid 14346] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14346] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14346] pipe2([3, 4], 0)            = 0
[pid 14346] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14346] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14346] sync()                      = 0
[pid 14346] exit_group(0)               = ?
[pid 14346] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14346, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14347
./strace-static-x86_64: Process 14347 attached
[pid 14347] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14347] setpgid(0, 0)               = 0
[pid 14347] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14347] write(3, "1000", 4)         = 4
[pid 14347] close(3)                    = 0
[pid 14347] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14347] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14347] pipe2([3, 4], 0)            = 0
[pid 14347] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14347] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14347] sync()                      = 0
[pid 14347] exit_group(0)               = ?
[pid 14347] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14347, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14348 attached
, child_tidptr=0x555555bcb690) = 14348
[pid 14348] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14348] setpgid(0, 0)               = 0
[pid 14348] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14348] write(3, "1000", 4)         = 4
[pid 14348] close(3)                    = 0
[pid 14348] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14348] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14348] pipe2([3, 4], 0)            = 0
[pid 14348] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14348] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14348] sync()                      = 0
[pid 14348] exit_group(0)               = ?
[pid 14348] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14348, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14349 attached
, child_tidptr=0x555555bcb690) = 14349
[pid 14349] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14349] setpgid(0, 0)               = 0
[pid 14349] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14349] write(3, "1000", 4)         = 4
[pid 14349] close(3)                    = 0
[pid 14349] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14349] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14349] pipe2([3, 4], 0)            = 0
[pid 14349] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14349] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14349] sync()                      = 0
[pid 14349] exit_group(0)               = ?
[pid 14349] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14349, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14350 attached
, child_tidptr=0x555555bcb690) = 14350
[pid 14350] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14350] setpgid(0, 0)               = 0
[pid 14350] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14350] write(3, "1000", 4)         = 4
[pid 14350] close(3)                    = 0
[pid 14350] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14350] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14350] pipe2([3, 4], 0)            = 0
[pid 14350] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14350] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14350] sync()                      = 0
[pid 14350] exit_group(0)               = ?
[pid 14350] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14350, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14351
./strace-static-x86_64: Process 14351 attached
[pid 14351] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14351] setpgid(0, 0)               = 0
[pid 14351] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14351] write(3, "1000", 4)         = 4
[pid 14351] close(3)                    = 0
[pid 14351] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14351] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14351] pipe2([3, 4], 0)            = 0
[pid 14351] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14351] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14351] sync()                      = 0
[pid 14351] exit_group(0)               = ?
[pid 14351] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14351, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14352
./strace-static-x86_64: Process 14352 attached
[pid 14352] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14352] setpgid(0, 0)               = 0
[pid 14352] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14352] write(3, "1000", 4)         = 4
[pid 14352] close(3)                    = 0
[pid 14352] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14352] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14352] pipe2([3, 4], 0)            = 0
[pid 14352] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14352] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14352] sync()                      = 0
[pid 14352] exit_group(0)               = ?
[pid 14352] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14352, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14353 attached
, child_tidptr=0x555555bcb690) = 14353
[pid 14353] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14353] setpgid(0, 0)               = 0
[pid 14353] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14353] write(3, "1000", 4)         = 4
[pid 14353] close(3)                    = 0
[pid 14353] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14353] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14353] pipe2([3, 4], 0)            = 0
[pid 14353] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14353] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14353] sync()                      = 0
[pid 14353] exit_group(0)               = ?
[pid 14353] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14353, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14354
./strace-static-x86_64: Process 14354 attached
[pid 14354] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14354] setpgid(0, 0)               = 0
[pid 14354] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14354] write(3, "1000", 4)         = 4
[pid 14354] close(3)                    = 0
[pid 14354] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14354] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14354] pipe2([3, 4], 0)            = 0
[pid 14354] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14354] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14354] sync()                      = 0
[pid 14354] exit_group(0)               = ?
[pid 14354] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14354, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14355 attached
, child_tidptr=0x555555bcb690) = 14355
[pid 14355] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14355] setpgid(0, 0)               = 0
[pid 14355] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14355] write(3, "1000", 4)         = 4
[pid 14355] close(3)                    = 0
[pid 14355] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14355] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14355] pipe2([3, 4], 0)            = 0
[pid 14355] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14355] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14355] sync()                      = 0
[pid 14355] exit_group(0)               = ?
[pid 14355] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14355, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14356
./strace-static-x86_64: Process 14356 attached
[pid 14356] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14356] setpgid(0, 0)               = 0
[pid 14356] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14356] write(3, "1000", 4)         = 4
[pid 14356] close(3)                    = 0
[pid 14356] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14356] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14356] pipe2([3, 4], 0)            = 0
[pid 14356] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14356] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14356] sync()                      = 0
[pid 14356] exit_group(0)               = ?
[pid 14356] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14356, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14357
./strace-static-x86_64: Process 14357 attached
[pid 14357] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14357] setpgid(0, 0)               = 0
[pid 14357] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14357] write(3, "1000", 4)         = 4
[pid 14357] close(3)                    = 0
[pid 14357] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14357] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14357] pipe2([3, 4], 0)            = 0
[pid 14357] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14357] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14357] sync()                      = 0
[pid 14357] exit_group(0)               = ?
[pid 14357] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14357, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14358
./strace-static-x86_64: Process 14358 attached
[pid 14358] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14358] setpgid(0, 0)               = 0
[pid 14358] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14358] write(3, "1000", 4)         = 4
[pid 14358] close(3)                    = 0
[pid 14358] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14358] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14358] pipe2([3, 4], 0)            = 0
[pid 14358] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14358] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14358] sync()                      = 0
[pid 14358] exit_group(0)               = ?
[pid 14358] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14358, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14359
./strace-static-x86_64: Process 14359 attached
[pid 14359] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14359] setpgid(0, 0)               = 0
[pid 14359] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14359] write(3, "1000", 4)         = 4
[pid 14359] close(3)                    = 0
[pid 14359] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14359] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14359] pipe2([3, 4], 0)            = 0
[pid 14359] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14359] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14359] sync()                      = 0
[pid 14359] exit_group(0)               = ?
[pid 14359] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14359, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14360
./strace-static-x86_64: Process 14360 attached
[pid 14360] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14360] setpgid(0, 0)               = 0
[pid 14360] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14360] write(3, "1000", 4)         = 4
[pid 14360] close(3)                    = 0
[pid 14360] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14360] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14360] pipe2([3, 4], 0)            = 0
[pid 14360] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14360] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14360] sync()                      = 0
[pid 14360] exit_group(0)               = ?
[pid 14360] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14360, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14361
./strace-static-x86_64: Process 14361 attached
[pid 14361] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14361] setpgid(0, 0)               = 0
[pid 14361] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14361] write(3, "1000", 4)         = 4
[pid 14361] close(3)                    = 0
[pid 14361] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14361] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14361] pipe2([3, 4], 0)            = 0
[pid 14361] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14361] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14361] sync()                      = 0
[pid 14361] exit_group(0)               = ?
[pid 14361] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14361, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14362
./strace-static-x86_64: Process 14362 attached
[pid 14362] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14362] setpgid(0, 0)               = 0
[pid 14362] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14362] write(3, "1000", 4)         = 4
[pid 14362] close(3)                    = 0
[pid 14362] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14362] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14362] pipe2([3, 4], 0)            = 0
[pid 14362] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14362] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14362] sync()                      = 0
[pid 14362] exit_group(0)               = ?
[pid 14362] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14362, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14363
./strace-static-x86_64: Process 14363 attached
[pid 14363] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14363] setpgid(0, 0)               = 0
[pid 14363] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14363] write(3, "1000", 4)         = 4
[pid 14363] close(3)                    = 0
[pid 14363] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14363] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14363] pipe2([3, 4], 0)            = 0
[pid 14363] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14363] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14363] sync()                      = 0
[pid 14363] exit_group(0)               = ?
[pid 14363] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14363, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14364
./strace-static-x86_64: Process 14364 attached
[pid 14364] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14364] setpgid(0, 0)               = 0
[pid 14364] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14364] write(3, "1000", 4)         = 4
[pid 14364] close(3)                    = 0
[pid 14364] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14364] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14364] pipe2([3, 4], 0)            = 0
[pid 14364] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14364] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14364] sync()                      = 0
[pid 14364] exit_group(0)               = ?
[pid 14364] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14364, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14365
./strace-static-x86_64: Process 14365 attached
[pid 14365] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14365] setpgid(0, 0)               = 0
[pid 14365] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14365] write(3, "1000", 4)         = 4
[pid 14365] close(3)                    = 0
[pid 14365] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14365] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14365] pipe2([3, 4], 0)            = 0
[pid 14365] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14365] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14365] sync()                      = 0
[pid 14365] exit_group(0)               = ?
[pid 14365] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14365, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14366
./strace-static-x86_64: Process 14366 attached
[pid 14366] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14366] setpgid(0, 0)               = 0
[pid 14366] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14366] write(3, "1000", 4)         = 4
[pid 14366] close(3)                    = 0
[pid 14366] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14366] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14366] pipe2([3, 4], 0)            = 0
[pid 14366] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14366] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14366] sync()                      = 0
[pid 14366] exit_group(0)               = ?
[pid 14366] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14366, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14367 attached
, child_tidptr=0x555555bcb690) = 14367
[pid 14367] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14367] setpgid(0, 0)               = 0
[pid 14367] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14367] write(3, "1000", 4)         = 4
[pid 14367] close(3)                    = 0
[pid 14367] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14367] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14367] pipe2([3, 4], 0)            = 0
[pid 14367] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14367] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14367] sync()                      = 0
[pid 14367] exit_group(0)               = ?
[pid 14367] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14367, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14368 attached
, child_tidptr=0x555555bcb690) = 14368
[pid 14368] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14368] setpgid(0, 0)               = 0
[pid 14368] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14368] write(3, "1000", 4)         = 4
[pid 14368] close(3)                    = 0
[pid 14368] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14368] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14368] pipe2([3, 4], 0)            = 0
[pid 14368] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14368] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14368] sync()                      = 0
[pid 14368] exit_group(0)               = ?
[pid 14368] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14368, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14369 attached
, child_tidptr=0x555555bcb690) = 14369
[pid 14369] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14369] setpgid(0, 0)               = 0
[pid 14369] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14369] write(3, "1000", 4)         = 4
[pid 14369] close(3)                    = 0
[pid 14369] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14369] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14369] pipe2([3, 4], 0)            = 0
[pid 14369] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14369] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14369] sync()                      = 0
[pid 14369] exit_group(0)               = ?
[pid 14369] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14369, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14370
./strace-static-x86_64: Process 14370 attached
[pid 14370] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14370] setpgid(0, 0)               = 0
[pid 14370] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14370] write(3, "1000", 4)         = 4
[pid 14370] close(3)                    = 0
[pid 14370] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14370] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14370] pipe2([3, 4], 0)            = 0
[pid 14370] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14370] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14370] sync()                      = 0
[pid 14370] exit_group(0)               = ?
[pid 14370] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14370, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14371 attached
, child_tidptr=0x555555bcb690) = 14371
[pid 14371] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14371] setpgid(0, 0)               = 0
[pid 14371] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14371] write(3, "1000", 4)         = 4
[pid 14371] close(3)                    = 0
[pid 14371] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14371] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14371] pipe2([3, 4], 0)            = 0
[pid 14371] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14371] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14371] sync()                      = 0
[pid 14371] exit_group(0)               = ?
[pid 14371] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14371, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14372 attached
, child_tidptr=0x555555bcb690) = 14372
[pid 14372] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14372] setpgid(0, 0)               = 0
[pid 14372] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14372] write(3, "1000", 4)         = 4
[pid 14372] close(3)                    = 0
[pid 14372] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14372] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14372] pipe2([3, 4], 0)            = 0
[pid 14372] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14372] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14372] sync()                      = 0
[pid 14372] exit_group(0)               = ?
[pid 14372] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14372, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14373 attached
, child_tidptr=0x555555bcb690) = 14373
[pid 14373] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14373] setpgid(0, 0)               = 0
[pid 14373] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14373] write(3, "1000", 4)         = 4
[pid 14373] close(3)                    = 0
[pid 14373] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14373] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14373] pipe2([3, 4], 0)            = 0
[pid 14373] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14373] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14373] sync()                      = 0
[pid 14373] exit_group(0)               = ?
[pid 14373] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14373, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14374
./strace-static-x86_64: Process 14374 attached
[pid 14374] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14374] setpgid(0, 0)               = 0
[pid 14374] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14374] write(3, "1000", 4)         = 4
[pid 14374] close(3)                    = 0
[pid 14374] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14374] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14374] pipe2([3, 4], 0)            = 0
[pid 14374] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14374] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14374] sync()                      = 0
[pid 14374] exit_group(0)               = ?
[pid 14374] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14374, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14375 attached
, child_tidptr=0x555555bcb690) = 14375
[pid 14375] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14375] setpgid(0, 0)               = 0
[pid 14375] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14375] write(3, "1000", 4)         = 4
[pid 14375] close(3)                    = 0
[pid 14375] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14375] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14375] pipe2([3, 4], 0)            = 0
[pid 14375] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14375] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14375] sync()                      = 0
[pid 14375] exit_group(0)               = ?
[pid 14375] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14375, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14376 attached
, child_tidptr=0x555555bcb690) = 14376
[pid 14376] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14376] setpgid(0, 0)               = 0
[pid 14376] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14376] write(3, "1000", 4)         = 4
[pid 14376] close(3)                    = 0
[pid 14376] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14376] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14376] pipe2([3, 4], 0)            = 0
[pid 14376] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14376] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14376] sync()                      = 0
[pid 14376] exit_group(0)               = ?
[pid 14376] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14376, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14377 attached
, child_tidptr=0x555555bcb690) = 14377
[pid 14377] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14377] setpgid(0, 0)               = 0
[pid 14377] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14377] write(3, "1000", 4)         = 4
[pid 14377] close(3)                    = 0
[pid 14377] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14377] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14377] pipe2([3, 4], 0)            = 0
[pid 14377] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14377] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14377] sync()                      = 0
[pid 14377] exit_group(0)               = ?
[pid 14377] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14377, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14378 attached
, child_tidptr=0x555555bcb690) = 14378
[pid 14378] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14378] setpgid(0, 0)               = 0
[pid 14378] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14378] write(3, "1000", 4)         = 4
[pid 14378] close(3)                    = 0
[pid 14378] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14378] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14378] pipe2([3, 4], 0)            = 0
[pid 14378] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14378] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14378] sync()                      = 0
[pid 14378] exit_group(0)               = ?
[pid 14378] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14378, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14379 attached
, child_tidptr=0x555555bcb690) = 14379
[pid 14379] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14379] setpgid(0, 0)               = 0
[pid 14379] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14379] write(3, "1000", 4)         = 4
[pid 14379] close(3)                    = 0
[pid 14379] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14379] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14379] pipe2([3, 4], 0)            = 0
[pid 14379] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14379] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14379] sync()                      = 0
[pid 14379] exit_group(0)               = ?
[pid 14379] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14379, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14380
./strace-static-x86_64: Process 14380 attached
[pid 14380] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14380] setpgid(0, 0)               = 0
[pid 14380] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14380] write(3, "1000", 4)         = 4
[pid 14380] close(3)                    = 0
[pid 14380] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14380] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14380] pipe2([3, 4], 0)            = 0
[pid 14380] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14380] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14380] sync()                      = 0
[pid 14380] exit_group(0)               = ?
[pid 14380] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14380, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14381
./strace-static-x86_64: Process 14381 attached
[pid 14381] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14381] setpgid(0, 0)               = 0
[pid 14381] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14381] write(3, "1000", 4)         = 4
[pid 14381] close(3)                    = 0
[pid 14381] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14381] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14381] pipe2([3, 4], 0)            = 0
[pid 14381] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14381] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14381] sync()                      = 0
[pid 14381] exit_group(0)               = ?
[pid 14381] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14381, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14382 attached
 <unfinished ...>
[pid 14382] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3603] <... clone resumed>, child_tidptr=0x555555bcb690) = 14382
[pid 14382] <... prctl resumed>)        = 0
[pid 14382] setpgid(0, 0)               = 0
[pid 14382] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14382] write(3, "1000", 4)         = 4
[pid 14382] close(3)                    = 0
[pid 14382] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14382] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14382] pipe2([3, 4], 0)            = 0
[pid 14382] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14382] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14382] sync()                      = 0
[pid 14382] exit_group(0)               = ?
[pid 14382] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14382, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14383 attached
, child_tidptr=0x555555bcb690) = 14383
[pid 14383] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14383] setpgid(0, 0)               = 0
[pid 14383] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14383] write(3, "1000", 4)         = 4
[pid 14383] close(3)                    = 0
[pid 14383] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14383] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14383] pipe2([3, 4], 0)            = 0
[pid 14383] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14383] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14383] sync()                      = 0
[pid 14383] exit_group(0)               = ?
[pid 14383] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14383, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14384 attached
, child_tidptr=0x555555bcb690) = 14384
[pid 14384] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14384] setpgid(0, 0)               = 0
[pid 14384] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14384] write(3, "1000", 4)         = 4
[pid 14384] close(3)                    = 0
[pid 14384] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14384] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14384] pipe2([3, 4], 0)            = 0
[pid 14384] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14384] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14384] sync()                      = 0
[pid 14384] exit_group(0)               = ?
[pid 14384] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14384, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14385 attached
, child_tidptr=0x555555bcb690) = 14385
[pid 14385] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14385] setpgid(0, 0)               = 0
[pid 14385] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14385] write(3, "1000", 4)         = 4
[pid 14385] close(3)                    = 0
[pid 14385] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14385] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14385] pipe2([3, 4], 0)            = 0
[pid 14385] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14385] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14385] sync()                      = 0
[pid 14385] exit_group(0)               = ?
[pid 14385] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14385, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14386 attached
, child_tidptr=0x555555bcb690) = 14386
[pid 14386] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14386] setpgid(0, 0)               = 0
[pid 14386] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14386] write(3, "1000", 4)         = 4
[pid 14386] close(3)                    = 0
[pid 14386] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14386] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14386] pipe2([3, 4], 0)            = 0
[pid 14386] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14386] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14386] sync()                      = 0
[pid 14386] exit_group(0)               = ?
[pid 14386] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14386, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14387
./strace-static-x86_64: Process 14387 attached
[pid 14387] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14387] setpgid(0, 0)               = 0
[pid 14387] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14387] write(3, "1000", 4)         = 4
[pid 14387] close(3)                    = 0
[pid 14387] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14387] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14387] pipe2([3, 4], 0)            = 0
[pid 14387] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14387] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14387] sync()                      = 0
[pid 14387] exit_group(0)               = ?
[pid 14387] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14387, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14388
./strace-static-x86_64: Process 14388 attached
[pid 14388] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14388] setpgid(0, 0)               = 0
[pid 14388] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14388] write(3, "1000", 4)         = 4
[pid 14388] close(3)                    = 0
[pid 14388] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14388] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14388] pipe2([3, 4], 0)            = 0
[pid 14388] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14388] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14388] sync()                      = 0
[pid 14388] exit_group(0)               = ?
[pid 14388] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14388, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14389
./strace-static-x86_64: Process 14389 attached
[pid 14389] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14389] setpgid(0, 0)               = 0
[pid 14389] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14389] write(3, "1000", 4)         = 4
[pid 14389] close(3)                    = 0
[pid 14389] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14389] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14389] pipe2([3, 4], 0)            = 0
[pid 14389] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14389] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14389] sync()                      = 0
[pid 14389] exit_group(0)               = ?
[pid 14389] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14389, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14390 attached
, child_tidptr=0x555555bcb690) = 14390
[pid 14390] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14390] setpgid(0, 0)               = 0
[pid 14390] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14390] write(3, "1000", 4)         = 4
[pid 14390] close(3)                    = 0
[pid 14390] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14390] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14390] pipe2([3, 4], 0)            = 0
[pid 14390] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14390] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14390] sync()                      = 0
[pid 14390] exit_group(0)               = ?
[pid 14390] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14390, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14391 attached
, child_tidptr=0x555555bcb690) = 14391
[pid 14391] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14391] setpgid(0, 0)               = 0
[pid 14391] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14391] write(3, "1000", 4)         = 4
[pid 14391] close(3)                    = 0
[pid 14391] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14391] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14391] pipe2([3, 4], 0)            = 0
[pid 14391] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14391] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14391] sync()                      = 0
[pid 14391] exit_group(0)               = ?
[pid 14391] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14391, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14392 attached
, child_tidptr=0x555555bcb690) = 14392
[pid 14392] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14392] setpgid(0, 0)               = 0
[pid 14392] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14392] write(3, "1000", 4)         = 4
[pid 14392] close(3)                    = 0
[pid 14392] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14392] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14392] pipe2([3, 4], 0)            = 0
[pid 14392] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14392] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14392] sync()                      = 0
[pid 14392] exit_group(0)               = ?
[pid 14392] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14392, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14393
./strace-static-x86_64: Process 14393 attached
[pid 14393] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14393] setpgid(0, 0)               = 0
[pid 14393] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14393] write(3, "1000", 4)         = 4
[pid 14393] close(3)                    = 0
[pid 14393] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14393] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14393] pipe2([3, 4], 0)            = 0
[pid 14393] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14393] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14393] sync()                      = 0
[pid 14393] exit_group(0)               = ?
[pid 14393] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14393, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14394
./strace-static-x86_64: Process 14394 attached
[pid 14394] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14394] setpgid(0, 0)               = 0
[pid 14394] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14394] write(3, "1000", 4)         = 4
[pid 14394] close(3)                    = 0
[pid 14394] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14394] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14394] pipe2([3, 4], 0)            = 0
[pid 14394] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14394] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14394] sync()                      = 0
[pid 14394] exit_group(0)               = ?
[pid 14394] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14394, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14395 attached
, child_tidptr=0x555555bcb690) = 14395
[pid 14395] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14395] setpgid(0, 0)               = 0
[pid 14395] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14395] write(3, "1000", 4)         = 4
[pid 14395] close(3)                    = 0
[pid 14395] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14395] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14395] pipe2([3, 4], 0)            = 0
[pid 14395] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14395] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14395] sync()                      = 0
[pid 14395] exit_group(0)               = ?
[pid 14395] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14395, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14396 attached
, child_tidptr=0x555555bcb690) = 14396
[pid 14396] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14396] setpgid(0, 0)               = 0
[pid 14396] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14396] write(3, "1000", 4)         = 4
[pid 14396] close(3)                    = 0
[pid 14396] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14396] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14396] pipe2([3, 4], 0)            = 0
[pid 14396] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14396] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14396] sync()                      = 0
[pid 14396] exit_group(0)               = ?
[pid 14396] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14396, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14397 attached
, child_tidptr=0x555555bcb690) = 14397
[pid 14397] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14397] setpgid(0, 0)               = 0
[pid 14397] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14397] write(3, "1000", 4)         = 4
[pid 14397] close(3)                    = 0
[pid 14397] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14397] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14397] pipe2([3, 4], 0)            = 0
[pid 14397] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14397] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14397] sync()                      = 0
[pid 14397] exit_group(0)               = ?
[pid 14397] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14397, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14398
./strace-static-x86_64: Process 14398 attached
[pid 14398] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14398] setpgid(0, 0)               = 0
[pid 14398] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14398] write(3, "1000", 4)         = 4
[pid 14398] close(3)                    = 0
[pid 14398] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14398] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14398] pipe2([3, 4], 0)            = 0
[pid 14398] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14398] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14398] sync()                      = 0
[pid 14398] exit_group(0)               = ?
[pid 14398] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14398, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14399 attached
, child_tidptr=0x555555bcb690) = 14399
[pid 14399] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14399] setpgid(0, 0)               = 0
[pid 14399] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14399] write(3, "1000", 4)         = 4
[pid 14399] close(3)                    = 0
[pid 14399] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14399] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14399] pipe2([3, 4], 0)            = 0
[pid 14399] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14399] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14399] sync()                      = 0
[pid 14399] exit_group(0)               = ?
[pid 14399] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14399, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14400 attached
, child_tidptr=0x555555bcb690) = 14400
[pid 14400] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14400] setpgid(0, 0)               = 0
[pid 14400] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14400] write(3, "1000", 4)         = 4
[pid 14400] close(3)                    = 0
[pid 14400] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14400] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14400] pipe2([3, 4], 0)            = 0
[pid 14400] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14400] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14400] sync()                      = 0
[pid 14400] exit_group(0)               = ?
[pid 14400] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14400, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14401
./strace-static-x86_64: Process 14401 attached
[pid 14401] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14401] setpgid(0, 0)               = 0
[pid 14401] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14401] write(3, "1000", 4)         = 4
[pid 14401] close(3)                    = 0
[pid 14401] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14401] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14401] pipe2([3, 4], 0)            = 0
[pid 14401] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14401] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14401] sync()                      = 0
[pid 14401] exit_group(0)               = ?
[pid 14401] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14401, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14402 attached
, child_tidptr=0x555555bcb690) = 14402
[pid 14402] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14402] setpgid(0, 0)               = 0
[pid 14402] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14402] write(3, "1000", 4)         = 4
[pid 14402] close(3)                    = 0
[pid 14402] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14402] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14402] pipe2([3, 4], 0)            = 0
[pid 14402] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14402] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14402] sync()                      = 0
[pid 14402] exit_group(0)               = ?
[pid 14402] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14402, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14403
./strace-static-x86_64: Process 14403 attached
[pid 14403] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14403] setpgid(0, 0)               = 0
[pid 14403] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14403] write(3, "1000", 4)         = 4
[pid 14403] close(3)                    = 0
[pid 14403] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14403] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14403] pipe2([3, 4], 0)            = 0
[pid 14403] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14403] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14403] sync()                      = 0
[pid 14403] exit_group(0)               = ?
[pid 14403] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14403, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14404 attached
, child_tidptr=0x555555bcb690) = 14404
[pid 14404] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14404] setpgid(0, 0)               = 0
[pid 14404] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14404] write(3, "1000", 4)         = 4
[pid 14404] close(3)                    = 0
[pid 14404] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14404] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14404] pipe2([3, 4], 0)            = 0
[pid 14404] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14404] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14404] sync()                      = 0
[pid 14404] exit_group(0)               = ?
[pid 14404] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14404, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14405
./strace-static-x86_64: Process 14405 attached
[pid 14405] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14405] setpgid(0, 0)               = 0
[pid 14405] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14405] write(3, "1000", 4)         = 4
[pid 14405] close(3)                    = 0
[pid 14405] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14405] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14405] pipe2([3, 4], 0)            = 0
[pid 14405] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14405] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14405] sync()                      = 0
[pid 14405] exit_group(0)               = ?
[pid 14405] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14405, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14406 attached
, child_tidptr=0x555555bcb690) = 14406
[pid 14406] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14406] setpgid(0, 0)               = 0
[pid 14406] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14406] write(3, "1000", 4)         = 4
[pid 14406] close(3)                    = 0
[pid 14406] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14406] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14406] pipe2([3, 4], 0)            = 0
[pid 14406] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14406] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14406] sync()                      = 0
[pid 14406] exit_group(0)               = ?
[pid 14406] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14406, si_uid=0, si_status=0, si_utime=1, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14407
./strace-static-x86_64: Process 14407 attached
[pid 14407] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14407] setpgid(0, 0)               = 0
[pid 14407] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14407] write(3, "1000", 4)         = 4
[pid 14407] close(3)                    = 0
[pid 14407] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14407] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14407] pipe2([3, 4], 0)            = 0
[pid 14407] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14407] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14407] sync()                      = 0
[pid 14407] exit_group(0)               = ?
[pid 14407] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14407, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14408 attached
, child_tidptr=0x555555bcb690) = 14408
[pid 14408] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14408] setpgid(0, 0)               = 0
[pid 14408] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14408] write(3, "1000", 4)         = 4
[pid 14408] close(3)                    = 0
[pid 14408] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14408] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14408] pipe2([3, 4], 0)            = 0
[pid 14408] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14408] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14408] sync()                      = 0
[pid 14408] exit_group(0)               = ?
[pid 14408] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14408, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14409
./strace-static-x86_64: Process 14409 attached
[pid 14409] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14409] setpgid(0, 0)               = 0
[pid 14409] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14409] write(3, "1000", 4)         = 4
[pid 14409] close(3)                    = 0
[pid 14409] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14409] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14409] pipe2([3, 4], 0)            = 0
[pid 14409] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14409] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14409] sync()                      = 0
[pid 14409] exit_group(0)               = ?
[pid 14409] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14409, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14410 attached
, child_tidptr=0x555555bcb690) = 14410
[pid 14410] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14410] setpgid(0, 0)               = 0
[pid 14410] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14410] write(3, "1000", 4)         = 4
[pid 14410] close(3)                    = 0
[pid 14410] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14410] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14410] pipe2([3, 4], 0)            = 0
[pid 14410] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14410] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14410] sync()                      = 0
[pid 14410] exit_group(0)               = ?
[pid 14410] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14410, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14411 attached
, child_tidptr=0x555555bcb690) = 14411
[pid 14411] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14411] setpgid(0, 0)               = 0
[pid 14411] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14411] write(3, "1000", 4)         = 4
[pid 14411] close(3)                    = 0
[pid 14411] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14411] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14411] pipe2([3, 4], 0)            = 0
[pid 14411] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14411] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14411] sync()                      = 0
[pid 14411] exit_group(0)               = ?
[pid 14411] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14411, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14412
./strace-static-x86_64: Process 14412 attached
[pid 14412] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14412] setpgid(0, 0)               = 0
[pid 14412] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14412] write(3, "1000", 4)         = 4
[pid 14412] close(3)                    = 0
[pid 14412] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14412] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14412] pipe2([3, 4], 0)            = 0
[pid 14412] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14412] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14412] sync()                      = 0
[pid 14412] exit_group(0)               = ?
[pid 14412] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14412, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14413
./strace-static-x86_64: Process 14413 attached
[pid 14413] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14413] setpgid(0, 0)               = 0
[pid 14413] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14413] write(3, "1000", 4)         = 4
[pid 14413] close(3)                    = 0
[pid 14413] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14413] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14413] pipe2([3, 4], 0)            = 0
[pid 14413] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14413] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14413] sync()                      = 0
[pid 14413] exit_group(0)               = ?
[pid 14413] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14413, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14414
./strace-static-x86_64: Process 14414 attached
[pid 14414] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14414] setpgid(0, 0)               = 0
[pid 14414] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14414] write(3, "1000", 4)         = 4
[pid 14414] close(3)                    = 0
[pid 14414] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14414] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14414] pipe2([3, 4], 0)            = 0
[pid 14414] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14414] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14414] sync()                      = 0
[pid 14414] exit_group(0)               = ?
[pid 14414] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14414, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14415
./strace-static-x86_64: Process 14415 attached
[pid 14415] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14415] setpgid(0, 0)               = 0
[pid 14415] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14415] write(3, "1000", 4)         = 4
[pid 14415] close(3)                    = 0
[pid 14415] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14415] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14415] pipe2([3, 4], 0)            = 0
[pid 14415] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14415] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14415] sync()                      = 0
[pid 14415] exit_group(0)               = ?
[pid 14415] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14415, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14416
./strace-static-x86_64: Process 14416 attached
[pid 14416] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14416] setpgid(0, 0)               = 0
[pid 14416] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14416] write(3, "1000", 4)         = 4
[pid 14416] close(3)                    = 0
[pid 14416] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14416] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14416] pipe2([3, 4], 0)            = 0
[pid 14416] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14416] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14416] sync()                      = 0
[pid 14416] exit_group(0)               = ?
[pid 14416] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14416, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14417
./strace-static-x86_64: Process 14417 attached
[pid 14417] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14417] setpgid(0, 0)               = 0
[pid 14417] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14417] write(3, "1000", 4)         = 4
[pid 14417] close(3)                    = 0
[pid 14417] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14417] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14417] pipe2([3, 4], 0)            = 0
[pid 14417] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14417] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14417] sync()                      = 0
[pid 14417] exit_group(0)               = ?
[pid 14417] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14417, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14418
./strace-static-x86_64: Process 14418 attached
[pid 14418] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14418] setpgid(0, 0)               = 0
[pid 14418] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14418] write(3, "1000", 4)         = 4
[pid 14418] close(3)                    = 0
[pid 14418] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14418] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14418] pipe2([3, 4], 0)            = 0
[pid 14418] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14418] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14418] sync()                      = 0
[pid 14418] exit_group(0)               = ?
[pid 14418] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14418, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14419 attached
, child_tidptr=0x555555bcb690) = 14419
[pid 14419] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14419] setpgid(0, 0)               = 0
[pid 14419] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14419] write(3, "1000", 4)         = 4
[pid 14419] close(3)                    = 0
[pid 14419] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14419] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14419] pipe2([3, 4], 0)            = 0
[pid 14419] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14419] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14419] sync()                      = 0
[pid 14419] exit_group(0)               = ?
[pid 14419] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14419, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14420 attached
, child_tidptr=0x555555bcb690) = 14420
[pid 14420] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14420] setpgid(0, 0)               = 0
[pid 14420] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14420] write(3, "1000", 4)         = 4
[pid 14420] close(3)                    = 0
[pid 14420] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14420] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14420] pipe2([3, 4], 0)            = 0
[pid 14420] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14420] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14420] sync()                      = 0
[pid 14420] exit_group(0)               = ?
[pid 14420] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14420, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14421
./strace-static-x86_64: Process 14421 attached
[pid 14421] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14421] setpgid(0, 0)               = 0
[pid 14421] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14421] write(3, "1000", 4)         = 4
[pid 14421] close(3)                    = 0
[pid 14421] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14421] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14421] pipe2([3, 4], 0)            = 0
[pid 14421] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14421] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14421] sync()                      = 0
[pid 14421] exit_group(0)               = ?
[pid 14421] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14421, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14422 attached
, child_tidptr=0x555555bcb690) = 14422
[pid 14422] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14422] setpgid(0, 0)               = 0
[pid 14422] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14422] write(3, "1000", 4)         = 4
[pid 14422] close(3)                    = 0
[pid 14422] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14422] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14422] pipe2([3, 4], 0)            = 0
[pid 14422] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14422] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14422] sync()                      = 0
[pid 14422] exit_group(0)               = ?
[pid 14422] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14422, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14423 attached
, child_tidptr=0x555555bcb690) = 14423
[pid 14423] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14423] setpgid(0, 0)               = 0
[pid 14423] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14423] write(3, "1000", 4)         = 4
[pid 14423] close(3)                    = 0
[pid 14423] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14423] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14423] pipe2([3, 4], 0)            = 0
[pid 14423] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14423] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14423] sync()                      = 0
[pid 14423] exit_group(0)               = ?
[pid 14423] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14423, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14424
./strace-static-x86_64: Process 14424 attached
[pid 14424] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14424] setpgid(0, 0)               = 0
[pid 14424] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14424] write(3, "1000", 4)         = 4
[pid 14424] close(3)                    = 0
[pid 14424] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14424] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14424] pipe2([3, 4], 0)            = 0
[pid 14424] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14424] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14424] sync()                      = 0
[pid 14424] exit_group(0)               = ?
[pid 14424] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14424, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14425
./strace-static-x86_64: Process 14425 attached
[pid 14425] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14425] setpgid(0, 0)               = 0
[pid 14425] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14425] write(3, "1000", 4)         = 4
[pid 14425] close(3)                    = 0
[pid 14425] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14425] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14425] pipe2([3, 4], 0)            = 0
[pid 14425] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14425] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14425] sync()                      = 0
[pid 14425] exit_group(0)               = ?
[pid 14425] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14425, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14426 attached
, child_tidptr=0x555555bcb690) = 14426
[pid 14426] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14426] setpgid(0, 0)               = 0
[pid 14426] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14426] write(3, "1000", 4)         = 4
[pid 14426] close(3)                    = 0
[pid 14426] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14426] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14426] pipe2([3, 4], 0)            = 0
[pid 14426] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14426] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14426] sync()                      = 0
[pid 14426] exit_group(0)               = ?
[pid 14426] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14426, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14427 attached
, child_tidptr=0x555555bcb690) = 14427
[pid 14427] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14427] setpgid(0, 0)               = 0
[pid 14427] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14427] write(3, "1000", 4)         = 4
[pid 14427] close(3)                    = 0
[pid 14427] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14427] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14427] pipe2([3, 4], 0)            = 0
[pid 14427] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14427] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14427] sync()                      = 0
[pid 14427] exit_group(0)               = ?
[pid 14427] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14427, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14428 attached
, child_tidptr=0x555555bcb690) = 14428
[pid 14428] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14428] setpgid(0, 0)               = 0
[pid 14428] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14428] write(3, "1000", 4)         = 4
[pid 14428] close(3)                    = 0
[pid 14428] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14428] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14428] pipe2([3, 4], 0)            = 0
[pid 14428] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14428] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14428] sync()                      = 0
[pid 14428] exit_group(0)               = ?
[pid 14428] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14428, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14429 attached
, child_tidptr=0x555555bcb690) = 14429
[pid 14429] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14429] setpgid(0, 0)               = 0
[pid 14429] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14429] write(3, "1000", 4)         = 4
[pid 14429] close(3)                    = 0
[pid 14429] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14429] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14429] pipe2([3, 4], 0)            = 0
[pid 14429] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14429] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14429] sync()                      = 0
[pid 14429] exit_group(0)               = ?
[pid 14429] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14429, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14430 attached
, child_tidptr=0x555555bcb690) = 14430
[pid 14430] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14430] setpgid(0, 0)               = 0
[pid 14430] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14430] write(3, "1000", 4)         = 4
[pid 14430] close(3)                    = 0
[pid 14430] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14430] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14430] pipe2([3, 4], 0)            = 0
[pid 14430] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14430] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14430] sync()                      = 0
[pid 14430] exit_group(0)               = ?
[pid 14430] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14430, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14431 attached
 <unfinished ...>
[pid 14431] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14431] setpgid(0, 0)               = 0
[pid 14431] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3603] <... clone resumed>, child_tidptr=0x555555bcb690) = 14431
[pid 14431] <... openat resumed>)       = 3
[pid 14431] write(3, "1000", 4)         = 4
[pid 14431] close(3)                    = 0
[pid 14431] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14431] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14431] pipe2([3, 4], 0)            = 0
[pid 14431] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14431] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14431] sync()                      = 0
[pid 14431] exit_group(0)               = ?
[pid 14431] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14431, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14432 attached
, child_tidptr=0x555555bcb690) = 14432
[pid 14432] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14432] setpgid(0, 0)               = 0
[pid 14432] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14432] write(3, "1000", 4)         = 4
[pid 14432] close(3)                    = 0
[pid 14432] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14432] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14432] pipe2([3, 4], 0)            = 0
[pid 14432] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14432] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14432] sync()                      = 0
[pid 14432] exit_group(0)               = ?
[pid 14432] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14432, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14433 attached
, child_tidptr=0x555555bcb690) = 14433
[pid 14433] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14433] setpgid(0, 0)               = 0
[pid 14433] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14433] write(3, "1000", 4)         = 4
[pid 14433] close(3)                    = 0
[pid 14433] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14433] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14433] pipe2([3, 4], 0)            = 0
[pid 14433] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14433] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14433] sync()                      = 0
[pid 14433] exit_group(0)               = ?
[pid 14433] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14433, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14434
./strace-static-x86_64: Process 14434 attached
[pid 14434] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14434] setpgid(0, 0)               = 0
[pid 14434] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14434] write(3, "1000", 4)         = 4
[pid 14434] close(3)                    = 0
[pid 14434] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14434] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14434] pipe2([3, 4], 0)            = 0
[pid 14434] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14434] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14434] sync()                      = 0
[pid 14434] exit_group(0)               = ?
[pid 14434] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14434, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14435
./strace-static-x86_64: Process 14435 attached
[pid 14435] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14435] setpgid(0, 0)               = 0
[pid 14435] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14435] write(3, "1000", 4)         = 4
[pid 14435] close(3)                    = 0
[pid 14435] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14435] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14435] pipe2([3, 4], 0)            = 0
[pid 14435] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14435] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14435] sync()                      = 0
[pid 14435] exit_group(0)               = ?
[pid 14435] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14435, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14436
./strace-static-x86_64: Process 14436 attached
[pid 14436] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14436] setpgid(0, 0)               = 0
[pid 14436] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14436] write(3, "1000", 4)         = 4
[pid 14436] close(3)                    = 0
[pid 14436] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14436] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14436] pipe2([3, 4], 0)            = 0
[pid 14436] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14436] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14436] sync()                      = 0
[pid 14436] exit_group(0)               = ?
[pid 14436] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14436, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14437 attached
, child_tidptr=0x555555bcb690) = 14437
[pid 14437] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14437] setpgid(0, 0)               = 0
[pid 14437] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14437] write(3, "1000", 4)         = 4
[pid 14437] close(3)                    = 0
[pid 14437] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14437] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14437] pipe2([3, 4], 0)            = 0
[pid 14437] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14437] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14437] sync()                      = 0
[pid 14437] exit_group(0)               = ?
[pid 14437] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14437, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14438 attached
, child_tidptr=0x555555bcb690) = 14438
[pid 14438] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14438] setpgid(0, 0)               = 0
[pid 14438] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14438] write(3, "1000", 4)         = 4
[pid 14438] close(3)                    = 0
[pid 14438] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14438] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14438] pipe2([3, 4], 0)            = 0
[pid 14438] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14438] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14438] sync()                      = 0
[pid 14438] exit_group(0)               = ?
[pid 14438] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14438, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14439 attached
, child_tidptr=0x555555bcb690) = 14439
[pid 14439] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14439] setpgid(0, 0)               = 0
[pid 14439] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14439] write(3, "1000", 4)         = 4
[pid 14439] close(3)                    = 0
[pid 14439] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14439] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14439] pipe2([3, 4], 0)            = 0
[pid 14439] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14439] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14439] sync()                      = 0
[pid 14439] exit_group(0)               = ?
[pid 14439] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14439, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14440 attached
, child_tidptr=0x555555bcb690) = 14440
[pid 14440] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14440] setpgid(0, 0)               = 0
[pid 14440] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14440] write(3, "1000", 4)         = 4
[pid 14440] close(3)                    = 0
[pid 14440] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14440] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14440] pipe2([3, 4], 0)            = 0
[pid 14440] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14440] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14440] sync()                      = 0
[pid 14440] exit_group(0)               = ?
[pid 14440] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14440, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14441 attached
, child_tidptr=0x555555bcb690) = 14441
[pid 14441] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14441] setpgid(0, 0)               = 0
[pid 14441] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14441] write(3, "1000", 4)         = 4
[pid 14441] close(3)                    = 0
[pid 14441] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14441] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14441] pipe2([3, 4], 0)            = 0
[pid 14441] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14441] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14441] sync()                      = 0
[pid 14441] exit_group(0)               = ?
[pid 14441] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14441, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14442 attached
, child_tidptr=0x555555bcb690) = 14442
[pid 14442] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14442] setpgid(0, 0)               = 0
[pid 14442] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14442] write(3, "1000", 4)         = 4
[pid 14442] close(3)                    = 0
[pid 14442] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14442] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14442] pipe2([3, 4], 0)            = 0
[pid 14442] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14442] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14442] sync()                      = 0
[pid 14442] exit_group(0)               = ?
[pid 14442] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14442, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14443 attached
, child_tidptr=0x555555bcb690) = 14443
[pid 14443] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14443] setpgid(0, 0)               = 0
[pid 14443] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14443] write(3, "1000", 4)         = 4
[pid 14443] close(3)                    = 0
[pid 14443] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14443] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14443] pipe2([3, 4], 0)            = 0
[pid 14443] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14443] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14443] sync()                      = 0
[pid 14443] exit_group(0)               = ?
[pid 14443] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14443, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14444
./strace-static-x86_64: Process 14444 attached
[pid 14444] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14444] setpgid(0, 0)               = 0
[pid 14444] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14444] write(3, "1000", 4)         = 4
[pid 14444] close(3)                    = 0
[pid 14444] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14444] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14444] pipe2([3, 4], 0)            = 0
[pid 14444] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14444] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14444] sync()                      = 0
[pid 14444] exit_group(0)               = ?
[pid 14444] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14444, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14445
./strace-static-x86_64: Process 14445 attached
[pid 14445] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14445] setpgid(0, 0)               = 0
[pid 14445] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14445] write(3, "1000", 4)         = 4
[pid 14445] close(3)                    = 0
[pid 14445] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14445] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14445] pipe2([3, 4], 0)            = 0
[pid 14445] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14445] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14445] sync()                      = 0
[pid 14445] exit_group(0)               = ?
[pid 14445] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14445, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14446
./strace-static-x86_64: Process 14446 attached
[pid 14446] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14446] setpgid(0, 0)               = 0
[pid 14446] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14446] write(3, "1000", 4)         = 4
[pid 14446] close(3)                    = 0
[pid 14446] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14446] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14446] pipe2([3, 4], 0)            = 0
[pid 14446] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14446] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14446] sync()                      = 0
[pid 14446] exit_group(0)               = ?
[pid 14446] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14446, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14447 attached
, child_tidptr=0x555555bcb690) = 14447
[pid 14447] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14447] setpgid(0, 0)               = 0
[pid 14447] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14447] write(3, "1000", 4)         = 4
[pid 14447] close(3)                    = 0
[pid 14447] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14447] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14447] pipe2([3, 4], 0)            = 0
[pid 14447] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14447] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14447] sync()                      = 0
[pid 14447] exit_group(0)               = ?
[pid 14447] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14447, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14448 attached
, child_tidptr=0x555555bcb690) = 14448
[pid 14448] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14448] setpgid(0, 0)               = 0
[pid 14448] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14448] write(3, "1000", 4)         = 4
[pid 14448] close(3)                    = 0
[pid 14448] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14448] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14448] pipe2([3, 4], 0)            = 0
[pid 14448] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14448] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14448] sync()                      = 0
[pid 14448] exit_group(0)               = ?
[pid 14448] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14448, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14449 attached
 <unfinished ...>
[pid 14449] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14449] setpgid(0, 0)               = 0
[pid 14449] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3603] <... clone resumed>, child_tidptr=0x555555bcb690) = 14449
[pid 14449] <... openat resumed>)       = 3
[pid 14449] write(3, "1000", 4)         = 4
[pid 14449] close(3)                    = 0
[pid 14449] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14449] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14449] pipe2([3, 4], 0)            = 0
[pid 14449] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14449] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14449] sync()                      = 0
[pid 14449] exit_group(0)               = ?
[pid 14449] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14449, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14450
./strace-static-x86_64: Process 14450 attached
[pid 14450] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14450] setpgid(0, 0)               = 0
[pid 14450] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14450] write(3, "1000", 4)         = 4
[pid 14450] close(3)                    = 0
[pid 14450] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14450] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14450] pipe2([3, 4], 0)            = 0
[pid 14450] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14450] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14450] sync()                      = 0
[pid 14450] exit_group(0)               = ?
[pid 14450] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14450, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14451 attached
, child_tidptr=0x555555bcb690) = 14451
[pid 14451] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14451] setpgid(0, 0)               = 0
[pid 14451] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14451] write(3, "1000", 4)         = 4
[pid 14451] close(3)                    = 0
[pid 14451] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14451] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14451] pipe2([3, 4], 0)            = 0
[pid 14451] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14451] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14451] sync()                      = 0
[pid 14451] exit_group(0)               = ?
[pid 14451] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14451, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14452
./strace-static-x86_64: Process 14452 attached
[pid 14452] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14452] setpgid(0, 0)               = 0
[pid 14452] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14452] write(3, "1000", 4)         = 4
[pid 14452] close(3)                    = 0
[pid 14452] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14452] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14452] pipe2([3, 4], 0)            = 0
[pid 14452] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14452] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14452] sync()                      = 0
[pid 14452] exit_group(0)               = ?
[pid 14452] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14452, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14453
./strace-static-x86_64: Process 14453 attached
[pid 14453] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14453] setpgid(0, 0)               = 0
[pid 14453] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14453] write(3, "1000", 4)         = 4
[pid 14453] close(3)                    = 0
[pid 14453] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14453] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14453] pipe2([3, 4], 0)            = 0
[pid 14453] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14453] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14453] sync()                      = 0
[pid 14453] exit_group(0)               = ?
[pid 14453] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14453, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14454
./strace-static-x86_64: Process 14454 attached
[pid 14454] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14454] setpgid(0, 0)               = 0
[pid 14454] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14454] write(3, "1000", 4)         = 4
[pid 14454] close(3)                    = 0
[pid 14454] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14454] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14454] pipe2([3, 4], 0)            = 0
[pid 14454] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14454] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14454] sync()                      = 0
[pid 14454] exit_group(0)               = ?
[pid 14454] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14454, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14455
./strace-static-x86_64: Process 14455 attached
[pid 14455] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14455] setpgid(0, 0)               = 0
[pid 14455] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14455] write(3, "1000", 4)         = 4
[pid 14455] close(3)                    = 0
[pid 14455] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14455] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14455] pipe2([3, 4], 0)            = 0
[pid 14455] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14455] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14455] sync()                      = 0
[pid 14455] exit_group(0)               = ?
[pid 14455] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14455, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14456 attached
, child_tidptr=0x555555bcb690) = 14456
[pid 14456] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14456] setpgid(0, 0)               = 0
[pid 14456] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14456] write(3, "1000", 4)         = 4
[pid 14456] close(3)                    = 0
[pid 14456] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14456] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14456] pipe2([3, 4], 0)            = 0
[pid 14456] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14456] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14456] sync()                      = 0
[pid 14456] exit_group(0)               = ?
[pid 14456] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14456, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14457 attached
, child_tidptr=0x555555bcb690) = 14457
[pid 14457] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14457] setpgid(0, 0)               = 0
[pid 14457] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14457] write(3, "1000", 4)         = 4
[pid 14457] close(3)                    = 0
[pid 14457] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14457] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14457] pipe2([3, 4], 0)            = 0
[pid 14457] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14457] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14457] sync()                      = 0
[pid 14457] exit_group(0)               = ?
[pid 14457] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14457, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14458 attached
, child_tidptr=0x555555bcb690) = 14458
[pid 14458] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14458] setpgid(0, 0)               = 0
[pid 14458] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14458] write(3, "1000", 4)         = 4
[pid 14458] close(3)                    = 0
[pid 14458] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14458] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14458] pipe2([3, 4], 0)            = 0
[pid 14458] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14458] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14458] sync()                      = 0
[pid 14458] exit_group(0)               = ?
[pid 14458] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14458, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14459 attached
, child_tidptr=0x555555bcb690) = 14459
[pid 14459] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14459] setpgid(0, 0)               = 0
[pid 14459] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14459] write(3, "1000", 4)         = 4
[pid 14459] close(3)                    = 0
[pid 14459] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14459] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14459] pipe2([3, 4], 0)            = 0
[pid 14459] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14459] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14459] sync()                      = 0
[pid 14459] exit_group(0)               = ?
[pid 14459] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14459, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14460 attached
 <unfinished ...>
[pid 14460] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3603] <... clone resumed>, child_tidptr=0x555555bcb690) = 14460
[pid 14460] <... prctl resumed>)        = 0
[pid 14460] setpgid(0, 0)               = 0
[pid 14460] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14460] write(3, "1000", 4)         = 4
[pid 14460] close(3)                    = 0
[pid 14460] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14460] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14460] pipe2([3, 4], 0)            = 0
[pid 14460] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14460] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14460] sync()                      = 0
[pid 14460] exit_group(0)               = ?
[pid 14460] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14460, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14461
./strace-static-x86_64: Process 14461 attached
[pid 14461] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14461] setpgid(0, 0)               = 0
[pid 14461] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14461] write(3, "1000", 4)         = 4
[pid 14461] close(3)                    = 0
[pid 14461] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14461] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14461] pipe2([3, 4], 0)            = 0
[pid 14461] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14461] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14461] sync()                      = 0
[pid 14461] exit_group(0)               = ?
[pid 14461] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14461, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14462
./strace-static-x86_64: Process 14462 attached
[pid 14462] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14462] setpgid(0, 0)               = 0
[pid 14462] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14462] write(3, "1000", 4)         = 4
[pid 14462] close(3)                    = 0
[pid 14462] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14462] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14462] pipe2([3, 4], 0)            = 0
[pid 14462] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14462] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14462] sync()                      = 0
[pid 14462] exit_group(0)               = ?
[pid 14462] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14462, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14463
./strace-static-x86_64: Process 14463 attached
[pid 14463] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14463] setpgid(0, 0)               = 0
[pid 14463] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14463] write(3, "1000", 4)         = 4
[pid 14463] close(3)                    = 0
[pid 14463] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14463] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14463] pipe2([3, 4], 0)            = 0
[pid 14463] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14463] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14463] sync()                      = 0
[pid 14463] exit_group(0)               = ?
[pid 14463] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14463, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14464
./strace-static-x86_64: Process 14464 attached
[pid 14464] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14464] setpgid(0, 0)               = 0
[pid 14464] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14464] write(3, "1000", 4)         = 4
[pid 14464] close(3)                    = 0
[pid 14464] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14464] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14464] pipe2([3, 4], 0)            = 0
[pid 14464] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14464] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14464] sync()                      = 0
[pid 14464] exit_group(0)               = ?
[pid 14464] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14464, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14465
./strace-static-x86_64: Process 14465 attached
[pid 14465] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14465] setpgid(0, 0)               = 0
[pid 14465] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14465] write(3, "1000", 4)         = 4
[pid 14465] close(3)                    = 0
[pid 14465] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14465] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14465] pipe2([3, 4], 0)            = 0
[pid 14465] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14465] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14465] sync()                      = 0
[pid 14465] exit_group(0)               = ?
[pid 14465] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14465, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14466
./strace-static-x86_64: Process 14466 attached
[pid 14466] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14466] setpgid(0, 0)               = 0
[pid 14466] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14466] write(3, "1000", 4)         = 4
[pid 14466] close(3)                    = 0
[pid 14466] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14466] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14466] pipe2([3, 4], 0)            = 0
[pid 14466] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14466] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14466] sync()                      = 0
[pid 14466] exit_group(0)               = ?
[pid 14466] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14466, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14467
./strace-static-x86_64: Process 14467 attached
[pid 14467] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14467] setpgid(0, 0)               = 0
[pid 14467] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14467] write(3, "1000", 4)         = 4
[pid 14467] close(3)                    = 0
[pid 14467] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14467] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14467] pipe2([3, 4], 0)            = 0
[pid 14467] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14467] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14467] sync()                      = 0
[pid 14467] exit_group(0)               = ?
[pid 14467] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14467, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14468
./strace-static-x86_64: Process 14468 attached
[pid 14468] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14468] setpgid(0, 0)               = 0
[pid 14468] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14468] write(3, "1000", 4)         = 4
[pid 14468] close(3)                    = 0
[pid 14468] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14468] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14468] pipe2([3, 4], 0)            = 0
[pid 14468] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14468] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14468] sync()                      = 0
[pid 14468] exit_group(0)               = ?
[pid 14468] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14468, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14469
./strace-static-x86_64: Process 14469 attached
[pid 14469] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14469] setpgid(0, 0)               = 0
[pid 14469] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14469] write(3, "1000", 4)         = 4
[pid 14469] close(3)                    = 0
[pid 14469] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14469] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14469] pipe2([3, 4], 0)            = 0
[pid 14469] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14469] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14469] sync()                      = 0
[pid 14469] exit_group(0)               = ?
[pid 14469] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14469, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14470
./strace-static-x86_64: Process 14470 attached
[pid 14470] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14470] setpgid(0, 0)               = 0
[pid 14470] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14470] write(3, "1000", 4)         = 4
[pid 14470] close(3)                    = 0
[pid 14470] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14470] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14470] pipe2([3, 4], 0)            = 0
[pid 14470] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14470] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14470] sync()                      = 0
[pid 14470] exit_group(0)               = ?
[pid 14470] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14470, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14471
./strace-static-x86_64: Process 14471 attached
[pid 14471] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14471] setpgid(0, 0)               = 0
[pid 14471] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14471] write(3, "1000", 4)         = 4
[pid 14471] close(3)                    = 0
[pid 14471] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14471] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14471] pipe2([3, 4], 0)            = 0
[pid 14471] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14471] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14471] sync()                      = 0
[pid 14471] exit_group(0)               = ?
[pid 14471] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14471, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14472 attached
, child_tidptr=0x555555bcb690) = 14472
[pid 14472] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14472] setpgid(0, 0)               = 0
[pid 14472] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14472] write(3, "1000", 4)         = 4
[pid 14472] close(3)                    = 0
[pid 14472] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14472] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14472] pipe2([3, 4], 0)            = 0
[pid 14472] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14472] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14472] sync()                      = 0
[pid 14472] exit_group(0)               = ?
[pid 14472] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14472, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14473
./strace-static-x86_64: Process 14473 attached
[pid 14473] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14473] setpgid(0, 0)               = 0
[pid 14473] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14473] write(3, "1000", 4)         = 4
[pid 14473] close(3)                    = 0
[pid 14473] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14473] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14473] pipe2([3, 4], 0)            = 0
[pid 14473] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14473] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14473] sync()                      = 0
[pid 14473] exit_group(0)               = ?
[pid 14473] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14473, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14474
./strace-static-x86_64: Process 14474 attached
[pid 14474] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14474] setpgid(0, 0)               = 0
[pid 14474] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14474] write(3, "1000", 4)         = 4
[pid 14474] close(3)                    = 0
[pid 14474] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14474] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14474] pipe2([3, 4], 0)            = 0
[pid 14474] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14474] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14474] sync()                      = 0
[pid 14474] exit_group(0)               = ?
[pid 14474] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14474, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14475 attached
, child_tidptr=0x555555bcb690) = 14475
[pid 14475] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14475] setpgid(0, 0)               = 0
[pid 14475] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14475] write(3, "1000", 4)         = 4
[pid 14475] close(3)                    = 0
[pid 14475] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14475] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14475] pipe2([3, 4], 0)            = 0
[pid 14475] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14475] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14475] sync()                      = 0
[pid 14475] exit_group(0)               = ?
[pid 14475] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14475, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14476
./strace-static-x86_64: Process 14476 attached
[pid 14476] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14476] setpgid(0, 0)               = 0
[pid 14476] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14476] write(3, "1000", 4)         = 4
[pid 14476] close(3)                    = 0
[pid 14476] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14476] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14476] pipe2([3, 4], 0)            = 0
[pid 14476] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14476] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14476] sync()                      = 0
[pid 14476] exit_group(0)               = ?
[pid 14476] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14476, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14477
./strace-static-x86_64: Process 14477 attached
[pid 14477] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14477] setpgid(0, 0)               = 0
[pid 14477] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14477] write(3, "1000", 4)         = 4
[pid 14477] close(3)                    = 0
[pid 14477] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14477] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14477] pipe2([3, 4], 0)            = 0
[pid 14477] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14477] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14477] sync()                      = 0
[pid 14477] exit_group(0)               = ?
[pid 14477] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14477, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14478
./strace-static-x86_64: Process 14478 attached
[pid 14478] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14478] setpgid(0, 0)               = 0
[pid 14478] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14478] write(3, "1000", 4)         = 4
[pid 14478] close(3)                    = 0
[pid 14478] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14478] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14478] pipe2([3, 4], 0)            = 0
[pid 14478] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14478] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14478] sync()                      = 0
[pid 14478] exit_group(0)               = ?
[pid 14478] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14478, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14479 attached
, child_tidptr=0x555555bcb690) = 14479
[pid 14479] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14479] setpgid(0, 0)               = 0
[pid 14479] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14479] write(3, "1000", 4)         = 4
[pid 14479] close(3)                    = 0
[pid 14479] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14479] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14479] pipe2([3, 4], 0)            = 0
[pid 14479] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14479] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14479] sync()                      = 0
[pid 14479] exit_group(0)               = ?
[pid 14479] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14479, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14480 attached
 <unfinished ...>
[pid 14480] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14480] setpgid(0, 0)               = 0
[pid 14480] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3603] <... clone resumed>, child_tidptr=0x555555bcb690) = 14480
[pid 14480] <... openat resumed>)       = 3
[pid 14480] write(3, "1000", 4)         = 4
[pid 14480] close(3)                    = 0
[pid 14480] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14480] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14480] pipe2([3, 4], 0)            = 0
[pid 14480] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14480] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14480] sync()                      = 0
[pid 14480] exit_group(0)               = ?
[pid 14480] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14480, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14481
./strace-static-x86_64: Process 14481 attached
[pid 14481] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14481] setpgid(0, 0)               = 0
[pid 14481] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14481] write(3, "1000", 4)         = 4
[pid 14481] close(3)                    = 0
[pid 14481] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14481] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14481] pipe2([3, 4], 0)            = 0
[pid 14481] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14481] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14481] sync()                      = 0
[pid 14481] exit_group(0)               = ?
[pid 14481] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14481, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14482 attached
, child_tidptr=0x555555bcb690) = 14482
[pid 14482] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14482] setpgid(0, 0)               = 0
[pid 14482] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14482] write(3, "1000", 4)         = 4
[pid 14482] close(3)                    = 0
[pid 14482] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14482] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14482] pipe2([3, 4], 0)            = 0
[pid 14482] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14482] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14482] sync()                      = 0
[pid 14482] exit_group(0)               = ?
[pid 14482] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14482, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14483
./strace-static-x86_64: Process 14483 attached
[pid 14483] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14483] setpgid(0, 0)               = 0
[pid 14483] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14483] write(3, "1000", 4)         = 4
[pid 14483] close(3)                    = 0
[pid 14483] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14483] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14483] pipe2([3, 4], 0)            = 0
[pid 14483] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14483] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14483] sync()                      = 0
[pid 14483] exit_group(0)               = ?
[pid 14483] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14483, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14484 attached
, child_tidptr=0x555555bcb690) = 14484
[pid 14484] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14484] setpgid(0, 0)               = 0
[pid 14484] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14484] write(3, "1000", 4)         = 4
[pid 14484] close(3)                    = 0
[pid 14484] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14484] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14484] pipe2([3, 4], 0)            = 0
[pid 14484] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14484] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14484] sync()                      = 0
[pid 14484] exit_group(0)               = ?
[pid 14484] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14484, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14485 attached
, child_tidptr=0x555555bcb690) = 14485
[pid 14485] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14485] setpgid(0, 0)               = 0
[pid 14485] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14485] write(3, "1000", 4)         = 4
[pid 14485] close(3)                    = 0
[pid 14485] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14485] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14485] pipe2([3, 4], 0)            = 0
[pid 14485] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14485] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14485] sync()                      = 0
[pid 14485] exit_group(0)               = ?
[pid 14485] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14485, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14486 attached
, child_tidptr=0x555555bcb690) = 14486
[pid 14486] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14486] setpgid(0, 0)               = 0
[pid 14486] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14486] write(3, "1000", 4)         = 4
[pid 14486] close(3)                    = 0
[pid 14486] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14486] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14486] pipe2([3, 4], 0)            = 0
[pid 14486] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14486] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14486] sync()                      = 0
[pid 14486] exit_group(0)               = ?
[pid 14486] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14486, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14487 attached
, child_tidptr=0x555555bcb690) = 14487
[pid 14487] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14487] setpgid(0, 0)               = 0
[pid 14487] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14487] write(3, "1000", 4)         = 4
[pid 14487] close(3)                    = 0
[pid 14487] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14487] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14487] pipe2([3, 4], 0)            = 0
[pid 14487] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14487] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14487] sync()                      = 0
[pid 14487] exit_group(0)               = ?
[pid 14487] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14487, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14488 attached
, child_tidptr=0x555555bcb690) = 14488
[pid 14488] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14488] setpgid(0, 0)               = 0
[pid 14488] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14488] write(3, "1000", 4)         = 4
[pid 14488] close(3)                    = 0
[pid 14488] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14488] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14488] pipe2([3, 4], 0)            = 0
[pid 14488] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14488] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14488] sync()                      = 0
[pid 14488] exit_group(0)               = ?
[pid 14488] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14488, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14489 attached
, child_tidptr=0x555555bcb690) = 14489
[pid 14489] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14489] setpgid(0, 0)               = 0
[pid 14489] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14489] write(3, "1000", 4)         = 4
[pid 14489] close(3)                    = 0
[pid 14489] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14489] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14489] pipe2([3, 4], 0)            = 0
[pid 14489] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14489] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14489] sync()                      = 0
[pid 14489] exit_group(0)               = ?
[pid 14489] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14489, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14490 attached
, child_tidptr=0x555555bcb690) = 14490
[pid 14490] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14490] setpgid(0, 0)               = 0
[pid 14490] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14490] write(3, "1000", 4)         = 4
[pid 14490] close(3)                    = 0
[pid 14490] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14490] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14490] pipe2([3, 4], 0)            = 0
[pid 14490] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14490] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14490] sync()                      = 0
[pid 14490] exit_group(0)               = ?
[pid 14490] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14490, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14491 attached
, child_tidptr=0x555555bcb690) = 14491
[pid 14491] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14491] setpgid(0, 0)               = 0
[pid 14491] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14491] write(3, "1000", 4)         = 4
[pid 14491] close(3)                    = 0
[pid 14491] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14491] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14491] pipe2([3, 4], 0)            = 0
[pid 14491] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14491] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14491] sync()                      = 0
[pid 14491] exit_group(0)               = ?
[pid 14491] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14491, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14492 attached
, child_tidptr=0x555555bcb690) = 14492
[pid 14492] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14492] setpgid(0, 0)               = 0
[pid 14492] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14492] write(3, "1000", 4)         = 4
[pid 14492] close(3)                    = 0
[pid 14492] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14492] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14492] pipe2([3, 4], 0)            = 0
[pid 14492] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14492] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14492] sync()                      = 0
[pid 14492] exit_group(0)               = ?
[pid 14492] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14492, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14493 attached
, child_tidptr=0x555555bcb690) = 14493
[pid 14493] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14493] setpgid(0, 0)               = 0
[pid 14493] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14493] write(3, "1000", 4)         = 4
[pid 14493] close(3)                    = 0
[pid 14493] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14493] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14493] pipe2([3, 4], 0)            = 0
[pid 14493] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14493] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14493] sync()                      = 0
[pid 14493] exit_group(0)               = ?
[pid 14493] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14493, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14494
./strace-static-x86_64: Process 14494 attached
[pid 14494] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14494] setpgid(0, 0)               = 0
[pid 14494] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14494] write(3, "1000", 4)         = 4
[pid 14494] close(3)                    = 0
[pid 14494] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14494] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14494] pipe2([3, 4], 0)            = 0
[pid 14494] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14494] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14494] sync()                      = 0
[pid 14494] exit_group(0)               = ?
[pid 14494] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14494, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14495
./strace-static-x86_64: Process 14495 attached
[pid 14495] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14495] setpgid(0, 0)               = 0
[pid 14495] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14495] write(3, "1000", 4)         = 4
[pid 14495] close(3)                    = 0
[pid 14495] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14495] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14495] pipe2([3, 4], 0)            = 0
[pid 14495] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14495] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14495] sync()                      = 0
[pid 14495] exit_group(0)               = ?
[pid 14495] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14495, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14496
./strace-static-x86_64: Process 14496 attached
[pid 14496] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14496] setpgid(0, 0)               = 0
[pid 14496] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14496] write(3, "1000", 4)         = 4
[pid 14496] close(3)                    = 0
[pid 14496] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14496] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14496] pipe2([3, 4], 0)            = 0
[pid 14496] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14496] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14496] sync()                      = 0
[pid 14496] exit_group(0)               = ?
[pid 14496] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14496, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14497 attached
, child_tidptr=0x555555bcb690) = 14497
[pid 14497] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14497] setpgid(0, 0)               = 0
[pid 14497] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14497] write(3, "1000", 4)         = 4
[pid 14497] close(3)                    = 0
[pid 14497] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14497] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14497] pipe2([3, 4], 0)            = 0
[pid 14497] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14497] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14497] sync()                      = 0
[pid 14497] exit_group(0)               = ?
[pid 14497] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14497, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14498 attached
, child_tidptr=0x555555bcb690) = 14498
[pid 14498] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14498] setpgid(0, 0)               = 0
[pid 14498] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14498] write(3, "1000", 4)         = 4
[pid 14498] close(3)                    = 0
[pid 14498] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14498] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14498] pipe2([3, 4], 0)            = 0
[pid 14498] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14498] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14498] sync()                      = 0
[pid 14498] exit_group(0)               = ?
[pid 14498] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14498, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14499
./strace-static-x86_64: Process 14499 attached
[pid 14499] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14499] setpgid(0, 0)               = 0
[pid 14499] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14499] write(3, "1000", 4)         = 4
[pid 14499] close(3)                    = 0
[pid 14499] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14499] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14499] pipe2([3, 4], 0)            = 0
[pid 14499] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14499] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14499] sync()                      = 0
[pid 14499] exit_group(0)               = ?
[pid 14499] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14499, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14500 attached
, child_tidptr=0x555555bcb690) = 14500
[pid 14500] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14500] setpgid(0, 0)               = 0
[pid 14500] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14500] write(3, "1000", 4)         = 4
[pid 14500] close(3)                    = 0
[pid 14500] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14500] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14500] pipe2([3, 4], 0)            = 0
[pid 14500] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14500] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14500] sync()                      = 0
[pid 14500] exit_group(0)               = ?
[pid 14500] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14500, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14501 attached
, child_tidptr=0x555555bcb690) = 14501
[pid 14501] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14501] setpgid(0, 0)               = 0
[pid 14501] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14501] write(3, "1000", 4)         = 4
[pid 14501] close(3)                    = 0
[pid 14501] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14501] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14501] pipe2([3, 4], 0)            = 0
[pid 14501] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14501] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14501] sync()                      = 0
[pid 14501] exit_group(0)               = ?
[pid 14501] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14501, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14502
./strace-static-x86_64: Process 14502 attached
[pid 14502] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14502] setpgid(0, 0)               = 0
[pid 14502] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14502] write(3, "1000", 4)         = 4
[pid 14502] close(3)                    = 0
[pid 14502] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14502] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14502] pipe2([3, 4], 0)            = 0
[pid 14502] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14502] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14502] sync()                      = 0
[pid 14502] exit_group(0)               = ?
[pid 14502] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14502, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14503
./strace-static-x86_64: Process 14503 attached
[pid 14503] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14503] setpgid(0, 0)               = 0
[pid 14503] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14503] write(3, "1000", 4)         = 4
[pid 14503] close(3)                    = 0
[pid 14503] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14503] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14503] pipe2([3, 4], 0)            = 0
[pid 14503] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14503] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14503] sync()                      = 0
[pid 14503] exit_group(0)               = ?
[pid 14503] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14503, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14504 attached
, child_tidptr=0x555555bcb690) = 14504
[pid 14504] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14504] setpgid(0, 0)               = 0
[pid 14504] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14504] write(3, "1000", 4)         = 4
[pid 14504] close(3)                    = 0
[pid 14504] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14504] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14504] pipe2([3, 4], 0)            = 0
[pid 14504] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14504] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14504] sync()                      = 0
[pid 14504] exit_group(0)               = ?
[pid 14504] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14504, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14505 attached
, child_tidptr=0x555555bcb690) = 14505
[pid 14505] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14505] setpgid(0, 0)               = 0
[pid 14505] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14505] write(3, "1000", 4)         = 4
[pid 14505] close(3)                    = 0
[pid 14505] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14505] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14505] pipe2([3, 4], 0)            = 0
[pid 14505] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14505] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14505] sync()                      = 0
[pid 14505] exit_group(0)               = ?
[pid 14505] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14505, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14506 attached
, child_tidptr=0x555555bcb690) = 14506
[pid 14506] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14506] setpgid(0, 0)               = 0
[pid 14506] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14506] write(3, "1000", 4)         = 4
[pid 14506] close(3)                    = 0
[pid 14506] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14506] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14506] pipe2([3, 4], 0)            = 0
[pid 14506] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14506] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14506] sync()                      = 0
[pid 14506] exit_group(0)               = ?
[pid 14506] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14506, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14507 attached
, child_tidptr=0x555555bcb690) = 14507
[pid 14507] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14507] setpgid(0, 0)               = 0
[pid 14507] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14507] write(3, "1000", 4)         = 4
[pid 14507] close(3)                    = 0
[pid 14507] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14507] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14507] pipe2([3, 4], 0)            = 0
[pid 14507] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14507] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14507] sync()                      = 0
[pid 14507] exit_group(0)               = ?
[pid 14507] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14507, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14508 attached
, child_tidptr=0x555555bcb690) = 14508
[pid 14508] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14508] setpgid(0, 0)               = 0
[pid 14508] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14508] write(3, "1000", 4)         = 4
[pid 14508] close(3)                    = 0
[pid 14508] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14508] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14508] pipe2([3, 4], 0)            = 0
[pid 14508] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14508] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14508] sync()                      = 0
[pid 14508] exit_group(0)               = ?
[pid 14508] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14508, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14509
./strace-static-x86_64: Process 14509 attached
[pid 14509] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14509] setpgid(0, 0)               = 0
[pid 14509] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14509] write(3, "1000", 4)         = 4
[pid 14509] close(3)                    = 0
[pid 14509] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14509] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14509] pipe2([3, 4], 0)            = 0
[pid 14509] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14509] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14509] sync()                      = 0
[pid 14509] exit_group(0)               = ?
[pid 14509] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14509, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14510
./strace-static-x86_64: Process 14510 attached
[pid 14510] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14510] setpgid(0, 0)               = 0
[pid 14510] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14510] write(3, "1000", 4)         = 4
[pid 14510] close(3)                    = 0
[pid 14510] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14510] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14510] pipe2([3, 4], 0)            = 0
[pid 14510] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14510] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14510] sync()                      = 0
[pid 14510] exit_group(0)               = ?
[pid 14510] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14510, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14511
./strace-static-x86_64: Process 14511 attached
[pid 14511] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14511] setpgid(0, 0)               = 0
[pid 14511] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14511] write(3, "1000", 4)         = 4
[pid 14511] close(3)                    = 0
[pid 14511] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14511] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14511] pipe2([3, 4], 0)            = 0
[pid 14511] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14511] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14511] sync()                      = 0
[pid 14511] exit_group(0)               = ?
[pid 14511] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14511, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14512
./strace-static-x86_64: Process 14512 attached
[pid 14512] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14512] setpgid(0, 0)               = 0
[pid 14512] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14512] write(3, "1000", 4)         = 4
[pid 14512] close(3)                    = 0
[pid 14512] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14512] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14512] pipe2([3, 4], 0)            = 0
[pid 14512] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14512] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14512] sync()                      = 0
[pid 14512] exit_group(0)               = ?
[pid 14512] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14512, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14513
./strace-static-x86_64: Process 14513 attached
[pid 14513] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14513] setpgid(0, 0)               = 0
[pid 14513] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14513] write(3, "1000", 4)         = 4
[pid 14513] close(3)                    = 0
[pid 14513] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14513] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14513] pipe2([3, 4], 0)            = 0
[pid 14513] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14513] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14513] sync()                      = 0
[pid 14513] exit_group(0)               = ?
[pid 14513] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14513, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14514
./strace-static-x86_64: Process 14514 attached
[pid 14514] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14514] setpgid(0, 0)               = 0
[pid 14514] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14514] write(3, "1000", 4)         = 4
[pid 14514] close(3)                    = 0
[pid 14514] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14514] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14514] pipe2([3, 4], 0)            = 0
[pid 14514] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14514] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14514] sync()                      = 0
[pid 14514] exit_group(0)               = ?
[pid 14514] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14514, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14515
./strace-static-x86_64: Process 14515 attached
[pid 14515] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14515] setpgid(0, 0)               = 0
[pid 14515] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14515] write(3, "1000", 4)         = 4
[pid 14515] close(3)                    = 0
[pid 14515] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14515] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14515] pipe2([3, 4], 0)            = 0
[pid 14515] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14515] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14515] sync()                      = 0
[pid 14515] exit_group(0)               = ?
[pid 14515] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14515, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14516
./strace-static-x86_64: Process 14516 attached
[pid 14516] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14516] setpgid(0, 0)               = 0
[pid 14516] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14516] write(3, "1000", 4)         = 4
[pid 14516] close(3)                    = 0
[pid 14516] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14516] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14516] pipe2([3, 4], 0)            = 0
[pid 14516] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14516] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14516] sync()                      = 0
[pid 14516] exit_group(0)               = ?
[pid 14516] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14516, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14517
./strace-static-x86_64: Process 14517 attached
[pid 14517] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14517] setpgid(0, 0)               = 0
[pid 14517] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14517] write(3, "1000", 4)         = 4
[pid 14517] close(3)                    = 0
[pid 14517] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14517] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14517] pipe2([3, 4], 0)            = 0
[pid 14517] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14517] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14517] sync()                      = 0
[pid 14517] exit_group(0)               = ?
[pid 14517] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14517, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14518
./strace-static-x86_64: Process 14518 attached
[pid 14518] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14518] setpgid(0, 0)               = 0
[pid 14518] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14518] write(3, "1000", 4)         = 4
[pid 14518] close(3)                    = 0
[pid 14518] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14518] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14518] pipe2([3, 4], 0)            = 0
[pid 14518] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14518] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14518] sync()                      = 0
[pid 14518] exit_group(0)               = ?
[pid 14518] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14518, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14519
./strace-static-x86_64: Process 14519 attached
[pid 14519] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14519] setpgid(0, 0)               = 0
[pid 14519] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14519] write(3, "1000", 4)         = 4
[pid 14519] close(3)                    = 0
[pid 14519] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14519] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14519] pipe2([3, 4], 0)            = 0
[pid 14519] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14519] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14519] sync()                      = 0
[pid 14519] exit_group(0)               = ?
[pid 14519] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14519, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14520
./strace-static-x86_64: Process 14520 attached
[pid 14520] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14520] setpgid(0, 0)               = 0
[pid 14520] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14520] write(3, "1000", 4)         = 4
[pid 14520] close(3)                    = 0
[pid 14520] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14520] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14520] pipe2([3, 4], 0)            = 0
[pid 14520] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14520] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14520] sync()                      = 0
[pid 14520] exit_group(0)               = ?
[pid 14520] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14520, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14521
./strace-static-x86_64: Process 14521 attached
[pid 14521] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14521] setpgid(0, 0)               = 0
[pid 14521] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14521] write(3, "1000", 4)         = 4
[pid 14521] close(3)                    = 0
[pid 14521] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14521] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14521] pipe2([3, 4], 0)            = 0
[pid 14521] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14521] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14521] sync()                      = 0
[pid 14521] exit_group(0)               = ?
[pid 14521] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14521, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14522
./strace-static-x86_64: Process 14522 attached
[pid 14522] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14522] setpgid(0, 0)               = 0
[pid 14522] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14522] write(3, "1000", 4)         = 4
[pid 14522] close(3)                    = 0
[pid 14522] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14522] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14522] pipe2([3, 4], 0)            = 0
[pid 14522] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14522] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14522] sync()                      = 0
[pid 14522] exit_group(0)               = ?
[pid 14522] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14522, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14523
./strace-static-x86_64: Process 14523 attached
[pid 14523] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14523] setpgid(0, 0)               = 0
[pid 14523] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14523] write(3, "1000", 4)         = 4
[pid 14523] close(3)                    = 0
[pid 14523] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14523] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14523] pipe2([3, 4], 0)            = 0
[pid 14523] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14523] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14523] sync()                      = 0
[pid 14523] exit_group(0)               = ?
[pid 14523] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14523, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14524
./strace-static-x86_64: Process 14524 attached
[pid 14524] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14524] setpgid(0, 0)               = 0
[pid 14524] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14524] write(3, "1000", 4)         = 4
[pid 14524] close(3)                    = 0
[pid 14524] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14524] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14524] pipe2([3, 4], 0)            = 0
[pid 14524] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14524] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14524] sync()                      = 0
[pid 14524] exit_group(0)               = ?
[pid 14524] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14524, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14525 attached
, child_tidptr=0x555555bcb690) = 14525
[pid 14525] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14525] setpgid(0, 0)               = 0
[pid 14525] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14525] write(3, "1000", 4)         = 4
[pid 14525] close(3)                    = 0
[pid 14525] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14525] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14525] pipe2([3, 4], 0)            = 0
[pid 14525] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14525] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14525] sync()                      = 0
[pid 14525] exit_group(0)               = ?
[pid 14525] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14525, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14526 attached
, child_tidptr=0x555555bcb690) = 14526
[pid 14526] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14526] setpgid(0, 0)               = 0
[pid 14526] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14526] write(3, "1000", 4)         = 4
[pid 14526] close(3)                    = 0
[pid 14526] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14526] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14526] pipe2([3, 4], 0)            = 0
[pid 14526] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14526] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14526] sync()                      = 0
[pid 14526] exit_group(0)               = ?
[pid 14526] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14526, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14527 attached
, child_tidptr=0x555555bcb690) = 14527
[pid 14527] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14527] setpgid(0, 0)               = 0
[pid 14527] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14527] write(3, "1000", 4)         = 4
[pid 14527] close(3)                    = 0
[pid 14527] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14527] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14527] pipe2([3, 4], 0)            = 0
[pid 14527] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14527] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14527] sync()                      = 0
[pid 14527] exit_group(0)               = ?
[pid 14527] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14527, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14528
./strace-static-x86_64: Process 14528 attached
[pid 14528] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14528] setpgid(0, 0)               = 0
[pid 14528] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14528] write(3, "1000", 4)         = 4
[pid 14528] close(3)                    = 0
[pid 14528] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14528] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14528] pipe2([3, 4], 0)            = 0
[pid 14528] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14528] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14528] sync()                      = 0
[pid 14528] exit_group(0)               = ?
[pid 14528] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14528, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14529
./strace-static-x86_64: Process 14529 attached
[pid 14529] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14529] setpgid(0, 0)               = 0
[pid 14529] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14529] write(3, "1000", 4)         = 4
[pid 14529] close(3)                    = 0
[pid 14529] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14529] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14529] pipe2([3, 4], 0)            = 0
[pid 14529] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14529] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14529] sync()                      = 0
[pid 14529] exit_group(0)               = ?
[pid 14529] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14529, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14530 attached
 <unfinished ...>
[pid 14530] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14530] setpgid(0, 0)               = 0
[pid 14530] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3603] <... clone resumed>, child_tidptr=0x555555bcb690) = 14530
[pid 14530] write(3, "1000", 4)         = 4
[pid 14530] close(3)                    = 0
[pid 14530] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14530] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14530] pipe2([3, 4], 0)            = 0
[pid 14530] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14530] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14530] sync()                      = 0
[pid 14530] exit_group(0)               = ?
[pid 14530] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14530, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14531
./strace-static-x86_64: Process 14531 attached
[pid 14531] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14531] setpgid(0, 0)               = 0
[pid 14531] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14531] write(3, "1000", 4)         = 4
[pid 14531] close(3)                    = 0
[pid 14531] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14531] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14531] pipe2([3, 4], 0)            = 0
[pid 14531] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14531] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14531] sync()                      = 0
[pid 14531] exit_group(0)               = ?
[pid 14531] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14531, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14532 attached
, child_tidptr=0x555555bcb690) = 14532
[pid 14532] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14532] setpgid(0, 0)               = 0
[pid 14532] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14532] write(3, "1000", 4)         = 4
[pid 14532] close(3)                    = 0
[pid 14532] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14532] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14532] pipe2([3, 4], 0)            = 0
[pid 14532] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14532] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14532] sync()                      = 0
[pid 14532] exit_group(0)               = ?
[pid 14532] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14532, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14533 attached
, child_tidptr=0x555555bcb690) = 14533
[pid 14533] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14533] setpgid(0, 0)               = 0
[pid 14533] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14533] write(3, "1000", 4)         = 4
[pid 14533] close(3)                    = 0
[pid 14533] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14533] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14533] pipe2([3, 4], 0)            = 0
[pid 14533] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14533] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14533] sync()                      = 0
[pid 14533] exit_group(0)               = ?
[pid 14533] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14533, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14534 attached
, child_tidptr=0x555555bcb690) = 14534
[pid 14534] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14534] setpgid(0, 0)               = 0
[pid 14534] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14534] write(3, "1000", 4)         = 4
[pid 14534] close(3)                    = 0
[pid 14534] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14534] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14534] pipe2([3, 4], 0)            = 0
[pid 14534] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14534] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14534] sync()                      = 0
[pid 14534] exit_group(0)               = ?
[pid 14534] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14534, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14535 attached
, child_tidptr=0x555555bcb690) = 14535
[pid 14535] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14535] setpgid(0, 0)               = 0
[pid 14535] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14535] write(3, "1000", 4)         = 4
[pid 14535] close(3)                    = 0
[pid 14535] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14535] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14535] pipe2([3, 4], 0)            = 0
[pid 14535] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14535] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14535] sync()                      = 0
[pid 14535] exit_group(0)               = ?
[pid 14535] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14535, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14536
./strace-static-x86_64: Process 14536 attached
[pid 14536] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14536] setpgid(0, 0)               = 0
[pid 14536] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14536] write(3, "1000", 4)         = 4
[pid 14536] close(3)                    = 0
[pid 14536] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14536] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14536] pipe2([3, 4], 0)            = 0
[pid 14536] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14536] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14536] sync()                      = 0
[pid 14536] exit_group(0)               = ?
[pid 14536] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14536, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14537
./strace-static-x86_64: Process 14537 attached
[pid 14537] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14537] setpgid(0, 0)               = 0
[pid 14537] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14537] write(3, "1000", 4)         = 4
[pid 14537] close(3)                    = 0
[pid 14537] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14537] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14537] pipe2([3, 4], 0)            = 0
[pid 14537] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14537] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14537] sync()                      = 0
[pid 14537] exit_group(0)               = ?
[pid 14537] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14537, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14538
./strace-static-x86_64: Process 14538 attached
[pid 14538] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14538] setpgid(0, 0)               = 0
[pid 14538] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14538] write(3, "1000", 4)         = 4
[pid 14538] close(3)                    = 0
[pid 14538] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14538] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14538] pipe2([3, 4], 0)            = 0
[pid 14538] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14538] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14538] sync()                      = 0
[pid 14538] exit_group(0)               = ?
[pid 14538] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14538, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14539 attached
, child_tidptr=0x555555bcb690) = 14539
[pid 14539] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14539] setpgid(0, 0)               = 0
[pid 14539] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14539] write(3, "1000", 4)         = 4
[pid 14539] close(3)                    = 0
[pid 14539] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14539] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14539] pipe2([3, 4], 0)            = 0
[pid 14539] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14539] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14539] sync()                      = 0
[pid 14539] exit_group(0)               = ?
[pid 14539] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14539, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14540 attached
, child_tidptr=0x555555bcb690) = 14540
[pid 14540] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14540] setpgid(0, 0)               = 0
[pid 14540] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14540] write(3, "1000", 4)         = 4
[pid 14540] close(3)                    = 0
[pid 14540] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14540] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14540] pipe2([3, 4], 0)            = 0
[pid 14540] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14540] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14540] sync()                      = 0
[pid 14540] exit_group(0)               = ?
[pid 14540] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14540, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14541
./strace-static-x86_64: Process 14541 attached
[pid 14541] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14541] setpgid(0, 0)               = 0
[pid 14541] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14541] write(3, "1000", 4)         = 4
[pid 14541] close(3)                    = 0
[pid 14541] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14541] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14541] pipe2([3, 4], 0)            = 0
[pid 14541] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14541] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14541] sync()                      = 0
[pid 14541] exit_group(0)               = ?
[pid 14541] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14541, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14542
./strace-static-x86_64: Process 14542 attached
[pid 14542] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14542] setpgid(0, 0)               = 0
[pid 14542] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14542] write(3, "1000", 4)         = 4
[pid 14542] close(3)                    = 0
[pid 14542] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14542] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14542] pipe2([3, 4], 0)            = 0
[pid 14542] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14542] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14542] sync()                      = 0
[pid 14542] exit_group(0)               = ?
[pid 14542] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14542, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14543
./strace-static-x86_64: Process 14543 attached
[pid 14543] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14543] setpgid(0, 0)               = 0
[pid 14543] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14543] write(3, "1000", 4)         = 4
[pid 14543] close(3)                    = 0
[pid 14543] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14543] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14543] pipe2([3, 4], 0)            = 0
[pid 14543] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14543] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14543] sync()                      = 0
[pid 14543] exit_group(0)               = ?
[pid 14543] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14543, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14544 attached
, child_tidptr=0x555555bcb690) = 14544
[pid 14544] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14544] setpgid(0, 0)               = 0
[pid 14544] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14544] write(3, "1000", 4)         = 4
[pid 14544] close(3)                    = 0
[pid 14544] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14544] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14544] pipe2([3, 4], 0)            = 0
[pid 14544] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14544] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14544] sync()                      = 0
[pid 14544] exit_group(0)               = ?
[pid 14544] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14544, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14545 attached
, child_tidptr=0x555555bcb690) = 14545
[pid 14545] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14545] setpgid(0, 0)               = 0
[pid 14545] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14545] write(3, "1000", 4)         = 4
[pid 14545] close(3)                    = 0
[pid 14545] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14545] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14545] pipe2([3, 4], 0)            = 0
[pid 14545] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14545] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14545] sync()                      = 0
[pid 14545] exit_group(0)               = ?
[pid 14545] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14545, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14546 attached
 <unfinished ...>
[pid 14546] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14546] setpgid(0, 0)               = 0
[pid 14546] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3603] <... clone resumed>, child_tidptr=0x555555bcb690) = 14546
[pid 14546] <... openat resumed>)       = 3
[pid 14546] write(3, "1000", 4)         = 4
[pid 14546] close(3)                    = 0
[pid 14546] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14546] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14546] pipe2([3, 4], 0)            = 0
[pid 14546] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14546] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14546] sync()                      = 0
[pid 14546] exit_group(0)               = ?
[pid 14546] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14546, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14547 attached
, child_tidptr=0x555555bcb690) = 14547
[pid 14547] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14547] setpgid(0, 0)               = 0
[pid 14547] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14547] write(3, "1000", 4)         = 4
[pid 14547] close(3)                    = 0
[pid 14547] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14547] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14547] pipe2([3, 4], 0)            = 0
[pid 14547] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14547] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14547] sync()                      = 0
[pid 14547] exit_group(0)               = ?
[pid 14547] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14547, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14548
./strace-static-x86_64: Process 14548 attached
[pid 14548] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14548] setpgid(0, 0)               = 0
[pid 14548] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14548] write(3, "1000", 4)         = 4
[pid 14548] close(3)                    = 0
[pid 14548] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14548] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14548] pipe2([3, 4], 0)            = 0
[pid 14548] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14548] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14548] sync()                      = 0
[pid 14548] exit_group(0)               = ?
[pid 14548] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14548, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14549 attached
, child_tidptr=0x555555bcb690) = 14549
[pid 14549] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14549] setpgid(0, 0)               = 0
[pid 14549] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14549] write(3, "1000", 4)         = 4
[pid 14549] close(3)                    = 0
[pid 14549] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14549] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14549] pipe2([3, 4], 0)            = 0
[pid 14549] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14549] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14549] sync()                      = 0
[pid 14549] exit_group(0)               = ?
[pid 14549] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14549, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14550
./strace-static-x86_64: Process 14550 attached
[pid 14550] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14550] setpgid(0, 0)               = 0
[pid 14550] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14550] write(3, "1000", 4)         = 4
[pid 14550] close(3)                    = 0
[pid 14550] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14550] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14550] pipe2([3, 4], 0)            = 0
[pid 14550] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14550] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14550] sync()                      = 0
[pid 14550] exit_group(0)               = ?
[pid 14550] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14550, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14551
./strace-static-x86_64: Process 14551 attached
[pid 14551] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14551] setpgid(0, 0)               = 0
[pid 14551] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14551] write(3, "1000", 4)         = 4
[pid 14551] close(3)                    = 0
[pid 14551] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14551] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14551] pipe2([3, 4], 0)            = 0
[pid 14551] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14551] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14551] sync()                      = 0
[pid 14551] exit_group(0)               = ?
[pid 14551] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14551, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14552
./strace-static-x86_64: Process 14552 attached
[pid 14552] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14552] setpgid(0, 0)               = 0
[pid 14552] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14552] write(3, "1000", 4)         = 4
[pid 14552] close(3)                    = 0
[pid 14552] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14552] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14552] pipe2([3, 4], 0)            = 0
[pid 14552] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14552] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14552] sync()                      = 0
[pid 14552] exit_group(0)               = ?
[pid 14552] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14552, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14553 attached
 <unfinished ...>
[pid 14553] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14553] setpgid(0, 0)               = 0
[pid  3603] <... clone resumed>, child_tidptr=0x555555bcb690) = 14553
[pid 14553] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14553] write(3, "1000", 4)         = 4
[pid 14553] close(3)                    = 0
[pid 14553] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14553] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14553] pipe2([3, 4], 0)            = 0
[pid 14553] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14553] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14553] sync()                      = 0
[pid 14553] exit_group(0)               = ?
[pid 14553] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14553, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14554
./strace-static-x86_64: Process 14554 attached
[pid 14554] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14554] setpgid(0, 0)               = 0
[pid 14554] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14554] write(3, "1000", 4)         = 4
[pid 14554] close(3)                    = 0
[pid 14554] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14554] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14554] pipe2([3, 4], 0)            = 0
[pid 14554] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14554] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14554] sync()                      = 0
[pid 14554] exit_group(0)               = ?
[pid 14554] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14554, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14555
./strace-static-x86_64: Process 14555 attached
[pid 14555] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14555] setpgid(0, 0)               = 0
[pid 14555] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14555] write(3, "1000", 4)         = 4
[pid 14555] close(3)                    = 0
[pid 14555] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14555] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14555] pipe2([3, 4], 0)            = 0
[pid 14555] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14555] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14555] sync()                      = 0
[pid 14555] exit_group(0)               = ?
[pid 14555] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14555, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14556
./strace-static-x86_64: Process 14556 attached
[pid 14556] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14556] setpgid(0, 0)               = 0
[pid 14556] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14556] write(3, "1000", 4)         = 4
[pid 14556] close(3)                    = 0
[pid 14556] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14556] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14556] pipe2([3, 4], 0)            = 0
[pid 14556] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14556] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14556] sync()                      = 0
[pid 14556] exit_group(0)               = ?
[pid 14556] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14556, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14557 attached
, child_tidptr=0x555555bcb690) = 14557
[pid 14557] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14557] setpgid(0, 0)               = 0
[pid 14557] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14557] write(3, "1000", 4)         = 4
[pid 14557] close(3)                    = 0
[pid 14557] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14557] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14557] pipe2([3, 4], 0)            = 0
[pid 14557] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14557] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14557] sync()                      = 0
[pid 14557] exit_group(0)               = ?
[pid 14557] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14557, si_uid=0, si_status=0, si_utime=1, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14558
./strace-static-x86_64: Process 14558 attached
[pid 14558] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14558] setpgid(0, 0)               = 0
[pid 14558] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14558] write(3, "1000", 4)         = 4
[pid 14558] close(3)                    = 0
[pid 14558] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14558] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14558] pipe2([3, 4], 0)            = 0
[pid 14558] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14558] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14558] sync()                      = 0
[pid 14558] exit_group(0)               = ?
[pid 14558] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14558, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14559 attached
, child_tidptr=0x555555bcb690) = 14559
[pid 14559] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14559] setpgid(0, 0)               = 0
[pid 14559] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14559] write(3, "1000", 4)         = 4
[pid 14559] close(3)                    = 0
[pid 14559] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14559] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14559] pipe2([3, 4], 0)            = 0
[pid 14559] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14559] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14559] sync()                      = 0
[pid 14559] exit_group(0)               = ?
[pid 14559] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14559, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14560 attached
, child_tidptr=0x555555bcb690) = 14560
[pid 14560] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14560] setpgid(0, 0)               = 0
[pid 14560] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14560] write(3, "1000", 4)         = 4
[pid 14560] close(3)                    = 0
[pid 14560] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14560] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14560] pipe2([3, 4], 0)            = 0
[pid 14560] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14560] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14560] sync()                      = 0
[pid 14560] exit_group(0)               = ?
[pid 14560] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14560, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14561 attached
, child_tidptr=0x555555bcb690) = 14561
[pid 14561] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14561] setpgid(0, 0)               = 0
[pid 14561] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14561] write(3, "1000", 4)         = 4
[pid 14561] close(3)                    = 0
[pid 14561] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14561] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14561] pipe2([3, 4], 0)            = 0
[pid 14561] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14561] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14561] sync()                      = 0
[pid 14561] exit_group(0)               = ?
[pid 14561] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14561, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14562 attached
, child_tidptr=0x555555bcb690) = 14562
[pid 14562] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14562] setpgid(0, 0)               = 0
[pid 14562] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14562] write(3, "1000", 4)         = 4
[pid 14562] close(3)                    = 0
[pid 14562] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14562] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14562] pipe2([3, 4], 0)            = 0
[pid 14562] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14562] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14562] sync()                      = 0
[pid 14562] exit_group(0)               = ?
[pid 14562] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14562, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14563 attached
, child_tidptr=0x555555bcb690) = 14563
[pid 14563] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14563] setpgid(0, 0)               = 0
[pid 14563] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14563] write(3, "1000", 4)         = 4
[pid 14563] close(3)                    = 0
[pid 14563] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14563] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14563] pipe2([3, 4], 0)            = 0
[pid 14563] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14563] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14563] sync()                      = 0
[pid 14563] exit_group(0)               = ?
[pid 14563] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14563, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14564 attached
, child_tidptr=0x555555bcb690) = 14564
[pid 14564] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14564] setpgid(0, 0)               = 0
[pid 14564] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14564] write(3, "1000", 4)         = 4
[pid 14564] close(3)                    = 0
[pid 14564] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14564] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14564] pipe2([3, 4], 0)            = 0
[pid 14564] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14564] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14564] sync()                      = 0
[pid 14564] exit_group(0)               = ?
[pid 14564] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14564, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14565
./strace-static-x86_64: Process 14565 attached
[pid 14565] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14565] setpgid(0, 0)               = 0
[pid 14565] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14565] write(3, "1000", 4)         = 4
[pid 14565] close(3)                    = 0
[pid 14565] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14565] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14565] pipe2([3, 4], 0)            = 0
[pid 14565] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14565] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14565] sync()                      = 0
[pid 14565] exit_group(0)               = ?
[pid 14565] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14565, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14566
./strace-static-x86_64: Process 14566 attached
[pid 14566] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14566] setpgid(0, 0)               = 0
[pid 14566] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14566] write(3, "1000", 4)         = 4
[pid 14566] close(3)                    = 0
[pid 14566] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14566] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14566] pipe2([3, 4], 0)            = 0
[pid 14566] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14566] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14566] sync()                      = 0
[pid 14566] exit_group(0)               = ?
[pid 14566] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14566, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14567 attached
, child_tidptr=0x555555bcb690) = 14567
[pid 14567] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14567] setpgid(0, 0)               = 0
[pid 14567] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14567] write(3, "1000", 4)         = 4
[pid 14567] close(3)                    = 0
[pid 14567] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14567] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14567] pipe2([3, 4], 0)            = 0
[pid 14567] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14567] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14567] sync()                      = 0
[pid 14567] exit_group(0)               = ?
[pid 14567] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14567, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14568 attached
, child_tidptr=0x555555bcb690) = 14568
[pid 14568] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14568] setpgid(0, 0)               = 0
[pid 14568] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14568] write(3, "1000", 4)         = 4
[pid 14568] close(3)                    = 0
[pid 14568] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14568] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14568] pipe2([3, 4], 0)            = 0
[pid 14568] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14568] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14568] sync()                      = 0
[pid 14568] exit_group(0)               = ?
[pid 14568] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14568, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14569 attached
, child_tidptr=0x555555bcb690) = 14569
[pid 14569] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14569] setpgid(0, 0)               = 0
[pid 14569] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14569] write(3, "1000", 4)         = 4
[pid 14569] close(3)                    = 0
[pid 14569] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14569] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14569] pipe2([3, 4], 0)            = 0
[pid 14569] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14569] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14569] sync()                      = 0
[pid 14569] exit_group(0)               = ?
[pid 14569] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14569, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14570 attached
, child_tidptr=0x555555bcb690) = 14570
[pid 14570] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14570] setpgid(0, 0)               = 0
[pid 14570] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14570] write(3, "1000", 4)         = 4
[pid 14570] close(3)                    = 0
[pid 14570] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14570] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14570] pipe2([3, 4], 0)            = 0
[pid 14570] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14570] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14570] sync()                      = 0
[pid 14570] exit_group(0)               = ?
[pid 14570] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14570, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14571
./strace-static-x86_64: Process 14571 attached
[pid 14571] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14571] setpgid(0, 0)               = 0
[pid 14571] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14571] write(3, "1000", 4)         = 4
[pid 14571] close(3)                    = 0
[pid 14571] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14571] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14571] pipe2([3, 4], 0)            = 0
[pid 14571] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14571] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14571] sync()                      = 0
[pid 14571] exit_group(0)               = ?
[pid 14571] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14571, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14572
./strace-static-x86_64: Process 14572 attached
[pid 14572] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14572] setpgid(0, 0)               = 0
[pid 14572] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14572] write(3, "1000", 4)         = 4
[pid 14572] close(3)                    = 0
[pid 14572] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14572] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14572] pipe2([3, 4], 0)            = 0
[pid 14572] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14572] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14572] sync()                      = 0
[pid 14572] exit_group(0)               = ?
[pid 14572] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14572, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14573 attached
, child_tidptr=0x555555bcb690) = 14573
[pid 14573] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14573] setpgid(0, 0)               = 0
[pid 14573] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14573] write(3, "1000", 4)         = 4
[pid 14573] close(3)                    = 0
[pid 14573] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14573] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14573] pipe2([3, 4], 0)            = 0
[pid 14573] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14573] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14573] sync()                      = 0
[pid 14573] exit_group(0)               = ?
[pid 14573] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14573, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14574 attached
, child_tidptr=0x555555bcb690) = 14574
[pid 14574] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14574] setpgid(0, 0)               = 0
[pid 14574] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14574] write(3, "1000", 4)         = 4
[pid 14574] close(3)                    = 0
[pid 14574] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14574] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14574] pipe2([3, 4], 0)            = 0
[pid 14574] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14574] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14574] sync()                      = 0
[pid 14574] exit_group(0)               = ?
[pid 14574] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14574, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14575
./strace-static-x86_64: Process 14575 attached
[pid 14575] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14575] setpgid(0, 0)               = 0
[pid 14575] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14575] write(3, "1000", 4)         = 4
[pid 14575] close(3)                    = 0
[pid 14575] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14575] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14575] pipe2([3, 4], 0)            = 0
[pid 14575] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14575] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14575] sync()                      = 0
[pid 14575] exit_group(0)               = ?
[pid 14575] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14575, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14576 attached
, child_tidptr=0x555555bcb690) = 14576
[pid 14576] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14576] setpgid(0, 0)               = 0
[pid 14576] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14576] write(3, "1000", 4)         = 4
[pid 14576] close(3)                    = 0
[pid 14576] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14576] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14576] pipe2([3, 4], 0)            = 0
[pid 14576] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14576] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14576] sync()                      = 0
[pid 14576] exit_group(0)               = ?
[pid 14576] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14576, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14577
./strace-static-x86_64: Process 14577 attached
[pid 14577] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14577] setpgid(0, 0)               = 0
[pid 14577] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14577] write(3, "1000", 4)         = 4
[pid 14577] close(3)                    = 0
[pid 14577] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14577] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14577] pipe2([3, 4], 0)            = 0
[pid 14577] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14577] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14577] sync()                      = 0
[pid 14577] exit_group(0)               = ?
[pid 14577] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14577, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14578 attached
, child_tidptr=0x555555bcb690) = 14578
[pid 14578] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14578] setpgid(0, 0)               = 0
[pid 14578] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14578] write(3, "1000", 4)         = 4
[pid 14578] close(3)                    = 0
[pid 14578] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14578] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14578] pipe2([3, 4], 0)            = 0
[pid 14578] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14578] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14578] sync()                      = 0
[pid 14578] exit_group(0)               = ?
[pid 14578] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14578, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14579
./strace-static-x86_64: Process 14579 attached
[pid 14579] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14579] setpgid(0, 0)               = 0
[pid 14579] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14579] write(3, "1000", 4)         = 4
[pid 14579] close(3)                    = 0
[pid 14579] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14579] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14579] pipe2([3, 4], 0)            = 0
[pid 14579] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14579] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14579] sync()                      = 0
[pid 14579] exit_group(0)               = ?
[pid 14579] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14579, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14580 attached
, child_tidptr=0x555555bcb690) = 14580
[pid 14580] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14580] setpgid(0, 0)               = 0
[pid 14580] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14580] write(3, "1000", 4)         = 4
[pid 14580] close(3)                    = 0
[pid 14580] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14580] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14580] pipe2([3, 4], 0)            = 0
[pid 14580] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14580] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14580] sync()                      = 0
[pid 14580] exit_group(0)               = ?
[pid 14580] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14580, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14581 attached
, child_tidptr=0x555555bcb690) = 14581
[pid 14581] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14581] setpgid(0, 0)               = 0
[pid 14581] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14581] write(3, "1000", 4)         = 4
[pid 14581] close(3)                    = 0
[pid 14581] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14581] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14581] pipe2([3, 4], 0)            = 0
[pid 14581] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14581] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14581] sync()                      = 0
[pid 14581] exit_group(0)               = ?
[pid 14581] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14581, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14582 attached
, child_tidptr=0x555555bcb690) = 14582
[pid 14582] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14582] setpgid(0, 0)               = 0
[pid 14582] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14582] write(3, "1000", 4)         = 4
[pid 14582] close(3)                    = 0
[pid 14582] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14582] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14582] pipe2([3, 4], 0)            = 0
[pid 14582] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14582] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14582] sync()                      = 0
[pid 14582] exit_group(0)               = ?
[pid 14582] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14582, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14583 attached
, child_tidptr=0x555555bcb690) = 14583
[pid 14583] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14583] setpgid(0, 0)               = 0
[pid 14583] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14583] write(3, "1000", 4)         = 4
[pid 14583] close(3)                    = 0
[pid 14583] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14583] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14583] pipe2([3, 4], 0)            = 0
[pid 14583] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14583] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14583] sync()                      = 0
[pid 14583] exit_group(0)               = ?
[pid 14583] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14583, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14584
./strace-static-x86_64: Process 14584 attached
[pid 14584] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14584] setpgid(0, 0)               = 0
[pid 14584] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14584] write(3, "1000", 4)         = 4
[pid 14584] close(3)                    = 0
[pid 14584] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14584] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14584] pipe2([3, 4], 0)            = 0
[pid 14584] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14584] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14584] sync()                      = 0
[pid 14584] exit_group(0)               = ?
[pid 14584] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14584, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14585 attached
, child_tidptr=0x555555bcb690) = 14585
[pid 14585] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14585] setpgid(0, 0)               = 0
[pid 14585] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14585] write(3, "1000", 4)         = 4
[pid 14585] close(3)                    = 0
[pid 14585] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14585] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14585] pipe2([3, 4], 0)            = 0
[pid 14585] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14585] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14585] sync()                      = 0
[pid 14585] exit_group(0)               = ?
[pid 14585] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14585, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14586 attached
, child_tidptr=0x555555bcb690) = 14586
[pid 14586] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14586] setpgid(0, 0)               = 0
[pid 14586] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14586] write(3, "1000", 4)         = 4
[pid 14586] close(3)                    = 0
[pid 14586] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14586] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14586] pipe2([3, 4], 0)            = 0
[pid 14586] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14586] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14586] sync()                      = 0
[pid 14586] exit_group(0)               = ?
[pid 14586] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14586, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14587 attached
, child_tidptr=0x555555bcb690) = 14587
[pid 14587] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14587] setpgid(0, 0)               = 0
[pid 14587] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14587] write(3, "1000", 4)         = 4
[pid 14587] close(3)                    = 0
[pid 14587] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14587] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14587] pipe2([3, 4], 0)            = 0
[pid 14587] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14587] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14587] sync()                      = 0
[pid 14587] exit_group(0)               = ?
[pid 14587] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14587, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14588
./strace-static-x86_64: Process 14588 attached
[pid 14588] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14588] setpgid(0, 0)               = 0
[pid 14588] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14588] write(3, "1000", 4)         = 4
[pid 14588] close(3)                    = 0
[pid 14588] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14588] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14588] pipe2([3, 4], 0)            = 0
[pid 14588] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14588] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14588] sync()                      = 0
[pid 14588] exit_group(0)               = ?
[pid 14588] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14588, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14589
./strace-static-x86_64: Process 14589 attached
[pid 14589] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14589] setpgid(0, 0)               = 0
[pid 14589] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14589] write(3, "1000", 4)         = 4
[pid 14589] close(3)                    = 0
[pid 14589] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14589] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14589] pipe2([3, 4], 0)            = 0
[pid 14589] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14589] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14589] sync()                      = 0
[pid 14589] exit_group(0)               = ?
[pid 14589] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14589, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14590 attached
, child_tidptr=0x555555bcb690) = 14590
[pid 14590] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14590] setpgid(0, 0)               = 0
[pid 14590] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14590] write(3, "1000", 4)         = 4
[pid 14590] close(3)                    = 0
[pid 14590] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14590] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14590] pipe2([3, 4], 0)            = 0
[pid 14590] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14590] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14590] sync()                      = 0
[pid 14590] exit_group(0)               = ?
[pid 14590] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14590, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14591 attached
, child_tidptr=0x555555bcb690) = 14591
[pid 14591] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14591] setpgid(0, 0)               = 0
[pid 14591] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14591] write(3, "1000", 4)         = 4
[pid 14591] close(3)                    = 0
[pid 14591] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14591] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14591] pipe2([3, 4], 0)            = 0
[pid 14591] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14591] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14591] sync()                      = 0
[pid 14591] exit_group(0)               = ?
[pid 14591] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14591, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14592 attached
, child_tidptr=0x555555bcb690) = 14592
[pid 14592] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14592] setpgid(0, 0)               = 0
[pid 14592] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14592] write(3, "1000", 4)         = 4
[pid 14592] close(3)                    = 0
[pid 14592] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14592] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14592] pipe2([3, 4], 0)            = 0
[pid 14592] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14592] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14592] sync()                      = 0
[pid 14592] exit_group(0)               = ?
[pid 14592] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14592, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14593 attached
, child_tidptr=0x555555bcb690) = 14593
[pid 14593] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14593] setpgid(0, 0)               = 0
[pid 14593] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14593] write(3, "1000", 4)         = 4
[pid 14593] close(3)                    = 0
[pid 14593] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14593] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14593] pipe2([3, 4], 0)            = 0
[pid 14593] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14593] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14593] sync()                      = 0
[pid 14593] exit_group(0)               = ?
[pid 14593] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14593, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14594
./strace-static-x86_64: Process 14594 attached
[pid 14594] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14594] setpgid(0, 0)               = 0
[pid 14594] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14594] write(3, "1000", 4)         = 4
[pid 14594] close(3)                    = 0
[pid 14594] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14594] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14594] pipe2([3, 4], 0)            = 0
[pid 14594] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14594] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14594] sync()                      = 0
[pid 14594] exit_group(0)               = ?
[pid 14594] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14594, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14595
./strace-static-x86_64: Process 14595 attached
[pid 14595] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14595] setpgid(0, 0)               = 0
[pid 14595] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14595] write(3, "1000", 4)         = 4
[pid 14595] close(3)                    = 0
[pid 14595] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14595] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14595] pipe2([3, 4], 0)            = 0
[pid 14595] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14595] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14595] sync()                      = 0
[pid 14595] exit_group(0)               = ?
[pid 14595] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14595, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14596 attached
, child_tidptr=0x555555bcb690) = 14596
[pid 14596] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14596] setpgid(0, 0)               = 0
[pid 14596] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14596] write(3, "1000", 4)         = 4
[pid 14596] close(3)                    = 0
[pid 14596] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14596] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14596] pipe2([3, 4], 0)            = 0
[pid 14596] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14596] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14596] sync()                      = 0
[pid 14596] exit_group(0)               = ?
[pid 14596] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14596, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14597
./strace-static-x86_64: Process 14597 attached
[pid 14597] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14597] setpgid(0, 0)               = 0
[pid 14597] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14597] write(3, "1000", 4)         = 4
[pid 14597] close(3)                    = 0
[pid 14597] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14597] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14597] pipe2([3, 4], 0)            = 0
[pid 14597] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14597] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14597] sync()                      = 0
[pid 14597] exit_group(0)               = ?
[pid 14597] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14597, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14598
./strace-static-x86_64: Process 14598 attached
[pid 14598] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14598] setpgid(0, 0)               = 0
[pid 14598] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14598] write(3, "1000", 4)         = 4
[pid 14598] close(3)                    = 0
[pid 14598] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14598] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14598] pipe2([3, 4], 0)            = 0
[pid 14598] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14598] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14598] sync()                      = 0
[pid 14598] exit_group(0)               = ?
[pid 14598] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14598, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14599 attached
, child_tidptr=0x555555bcb690) = 14599
[pid 14599] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14599] setpgid(0, 0)               = 0
[pid 14599] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14599] write(3, "1000", 4)         = 4
[pid 14599] close(3)                    = 0
[pid 14599] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14599] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14599] pipe2([3, 4], 0)            = 0
[pid 14599] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14599] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14599] sync()                      = 0
[pid 14599] exit_group(0)               = ?
[pid 14599] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14599, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14600
./strace-static-x86_64: Process 14600 attached
[pid 14600] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14600] setpgid(0, 0)               = 0
[pid 14600] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14600] write(3, "1000", 4)         = 4
[pid 14600] close(3)                    = 0
[pid 14600] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14600] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14600] pipe2([3, 4], 0)            = 0
[pid 14600] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14600] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14600] sync()                      = 0
[pid 14600] exit_group(0)               = ?
[pid 14600] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14600, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14601 attached
, child_tidptr=0x555555bcb690) = 14601
[pid 14601] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14601] setpgid(0, 0)               = 0
[pid 14601] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14601] write(3, "1000", 4)         = 4
[pid 14601] close(3)                    = 0
[pid 14601] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14601] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14601] pipe2([3, 4], 0)            = 0
[pid 14601] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14601] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14601] sync()                      = 0
[pid 14601] exit_group(0)               = ?
[pid 14601] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14601, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14602
./strace-static-x86_64: Process 14602 attached
[pid 14602] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14602] setpgid(0, 0)               = 0
[pid 14602] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14602] write(3, "1000", 4)         = 4
[pid 14602] close(3)                    = 0
[pid 14602] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14602] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14602] pipe2([3, 4], 0)            = 0
[pid 14602] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14602] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14602] sync()                      = 0
[pid 14602] exit_group(0)               = ?
[pid 14602] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14602, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14603 attached
, child_tidptr=0x555555bcb690) = 14603
[pid 14603] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14603] setpgid(0, 0)               = 0
[pid 14603] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14603] write(3, "1000", 4)         = 4
[pid 14603] close(3)                    = 0
[pid 14603] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14603] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14603] pipe2([3, 4], 0)            = 0
[pid 14603] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14603] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14603] sync()                      = 0
[pid 14603] exit_group(0)               = ?
[pid 14603] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14603, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14604 attached
, child_tidptr=0x555555bcb690) = 14604
[pid 14604] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14604] setpgid(0, 0)               = 0
[pid 14604] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14604] write(3, "1000", 4)         = 4
[pid 14604] close(3)                    = 0
[pid 14604] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14604] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14604] pipe2([3, 4], 0)            = 0
[pid 14604] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14604] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14604] sync()                      = 0
[pid 14604] exit_group(0)               = ?
[pid 14604] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14604, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14605
./strace-static-x86_64: Process 14605 attached
[pid 14605] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14605] setpgid(0, 0)               = 0
[pid 14605] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14605] write(3, "1000", 4)         = 4
[pid 14605] close(3)                    = 0
[pid 14605] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14605] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14605] pipe2([3, 4], 0)            = 0
[pid 14605] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14605] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14605] sync()                      = 0
[pid 14605] exit_group(0)               = ?
[pid 14605] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14605, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14606 attached
, child_tidptr=0x555555bcb690) = 14606
[pid 14606] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14606] setpgid(0, 0)               = 0
[pid 14606] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14606] write(3, "1000", 4)         = 4
[pid 14606] close(3)                    = 0
[pid 14606] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14606] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14606] pipe2([3, 4], 0)            = 0
[pid 14606] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14606] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14606] sync()                      = 0
[pid 14606] exit_group(0)               = ?
[pid 14606] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14606, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14607 attached
, child_tidptr=0x555555bcb690) = 14607
[pid 14607] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14607] setpgid(0, 0)               = 0
[pid 14607] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14607] write(3, "1000", 4)         = 4
[pid 14607] close(3)                    = 0
[pid 14607] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14607] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14607] pipe2([3, 4], 0)            = 0
[pid 14607] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14607] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14607] sync()                      = 0
[pid 14607] exit_group(0)               = ?
[pid 14607] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14607, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14608
./strace-static-x86_64: Process 14608 attached
[pid 14608] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14608] setpgid(0, 0)               = 0
[pid 14608] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14608] write(3, "1000", 4)         = 4
[pid 14608] close(3)                    = 0
[pid 14608] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14608] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14608] pipe2([3, 4], 0)            = 0
[pid 14608] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14608] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14608] sync()                      = 0
[pid 14608] exit_group(0)               = ?
[pid 14608] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14608, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14609 attached
, child_tidptr=0x555555bcb690) = 14609
[pid 14609] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14609] setpgid(0, 0)               = 0
[pid 14609] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14609] write(3, "1000", 4)         = 4
[pid 14609] close(3)                    = 0
[pid 14609] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14609] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14609] pipe2([3, 4], 0)            = 0
[pid 14609] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14609] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14609] sync()                      = 0
[pid 14609] exit_group(0)               = ?
[pid 14609] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14609, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14610
./strace-static-x86_64: Process 14610 attached
[pid 14610] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14610] setpgid(0, 0)               = 0
[pid 14610] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14610] write(3, "1000", 4)         = 4
[pid 14610] close(3)                    = 0
[pid 14610] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14610] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14610] pipe2([3, 4], 0)            = 0
[pid 14610] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14610] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14610] sync()                      = 0
[pid 14610] exit_group(0)               = ?
[pid 14610] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14610, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14611
./strace-static-x86_64: Process 14611 attached
[pid 14611] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14611] setpgid(0, 0)               = 0
[pid 14611] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14611] write(3, "1000", 4)         = 4
[pid 14611] close(3)                    = 0
[pid 14611] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14611] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14611] pipe2([3, 4], 0)            = 0
[pid 14611] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14611] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14611] sync()                      = 0
[pid 14611] exit_group(0)               = ?
[pid 14611] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14611, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14612 attached
, child_tidptr=0x555555bcb690) = 14612
[pid 14612] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14612] setpgid(0, 0)               = 0
[pid 14612] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14612] write(3, "1000", 4)         = 4
[pid 14612] close(3)                    = 0
[pid 14612] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14612] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14612] pipe2([3, 4], 0)            = 0
[pid 14612] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14612] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14612] sync()                      = 0
[pid 14612] exit_group(0)               = ?
[pid 14612] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14612, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14613 attached
, child_tidptr=0x555555bcb690) = 14613
[pid 14613] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14613] setpgid(0, 0)               = 0
[pid 14613] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14613] write(3, "1000", 4)         = 4
[pid 14613] close(3)                    = 0
[pid 14613] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14613] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14613] pipe2([3, 4], 0)            = 0
[pid 14613] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14613] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14613] sync()                      = 0
[pid 14613] exit_group(0)               = ?
[pid 14613] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14613, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14614 attached
, child_tidptr=0x555555bcb690) = 14614
[pid 14614] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14614] setpgid(0, 0)               = 0
[pid 14614] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14614] write(3, "1000", 4)         = 4
[pid 14614] close(3)                    = 0
[pid 14614] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14614] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14614] pipe2([3, 4], 0)            = 0
[pid 14614] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14614] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14614] sync()                      = 0
[pid 14614] exit_group(0)               = ?
[pid 14614] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14614, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14615
./strace-static-x86_64: Process 14615 attached
[pid 14615] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14615] setpgid(0, 0)               = 0
[pid 14615] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14615] write(3, "1000", 4)         = 4
[pid 14615] close(3)                    = 0
[pid 14615] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14615] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14615] pipe2([3, 4], 0)            = 0
[pid 14615] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14615] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14615] sync()                      = 0
[pid 14615] exit_group(0)               = ?
[pid 14615] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14615, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14616
./strace-static-x86_64: Process 14616 attached
[pid 14616] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14616] setpgid(0, 0)               = 0
[pid 14616] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14616] write(3, "1000", 4)         = 4
[pid 14616] close(3)                    = 0
[pid 14616] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14616] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14616] pipe2([3, 4], 0)            = 0
[pid 14616] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14616] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14616] sync()                      = 0
[pid 14616] exit_group(0)               = ?
[pid 14616] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14616, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14617
./strace-static-x86_64: Process 14617 attached
[pid 14617] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14617] setpgid(0, 0)               = 0
[pid 14617] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14617] write(3, "1000", 4)         = 4
[pid 14617] close(3)                    = 0
[pid 14617] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14617] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14617] pipe2([3, 4], 0)            = 0
[pid 14617] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14617] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14617] sync()                      = 0
[pid 14617] exit_group(0)               = ?
[pid 14617] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14617, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14618
./strace-static-x86_64: Process 14618 attached
[pid 14618] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14618] setpgid(0, 0)               = 0
[pid 14618] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14618] write(3, "1000", 4)         = 4
[pid 14618] close(3)                    = 0
[pid 14618] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14618] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14618] pipe2([3, 4], 0)            = 0
[pid 14618] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14618] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14618] sync()                      = 0
[pid 14618] exit_group(0)               = ?
[pid 14618] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14618, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14619
./strace-static-x86_64: Process 14619 attached
[pid 14619] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14619] setpgid(0, 0)               = 0
[pid 14619] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14619] write(3, "1000", 4)         = 4
[pid 14619] close(3)                    = 0
[pid 14619] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14619] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14619] pipe2([3, 4], 0)            = 0
[pid 14619] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14619] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14619] sync()                      = 0
[pid 14619] exit_group(0)               = ?
[pid 14619] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14619, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14620 attached
, child_tidptr=0x555555bcb690) = 14620
[pid 14620] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14620] setpgid(0, 0)               = 0
[pid 14620] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14620] write(3, "1000", 4)         = 4
[pid 14620] close(3)                    = 0
[pid 14620] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14620] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14620] pipe2([3, 4], 0)            = 0
[pid 14620] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14620] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14620] sync()                      = 0
[pid 14620] exit_group(0)               = ?
[pid 14620] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14620, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14621
./strace-static-x86_64: Process 14621 attached
[pid 14621] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14621] setpgid(0, 0)               = 0
[pid 14621] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14621] write(3, "1000", 4)         = 4
[pid 14621] close(3)                    = 0
[pid 14621] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14621] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14621] pipe2([3, 4], 0)            = 0
[pid 14621] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14621] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14621] sync()                      = 0
[pid 14621] exit_group(0)               = ?
[pid 14621] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14621, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14622
./strace-static-x86_64: Process 14622 attached
[pid 14622] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14622] setpgid(0, 0)               = 0
[pid 14622] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14622] write(3, "1000", 4)         = 4
[pid 14622] close(3)                    = 0
[pid 14622] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14622] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14622] pipe2([3, 4], 0)            = 0
[pid 14622] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14622] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14622] sync()                      = 0
[pid 14622] exit_group(0)               = ?
[pid 14622] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14622, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14623
./strace-static-x86_64: Process 14623 attached
[pid 14623] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14623] setpgid(0, 0)               = 0
[pid 14623] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14623] write(3, "1000", 4)         = 4
[pid 14623] close(3)                    = 0
[pid 14623] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14623] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14623] pipe2([3, 4], 0)            = 0
[pid 14623] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14623] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14623] sync()                      = 0
[pid 14623] exit_group(0)               = ?
[pid 14623] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14623, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14624
./strace-static-x86_64: Process 14624 attached
[pid 14624] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14624] setpgid(0, 0)               = 0
[pid 14624] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14624] write(3, "1000", 4)         = 4
[pid 14624] close(3)                    = 0
[pid 14624] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14624] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14624] pipe2([3, 4], 0)            = 0
[pid 14624] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14624] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14624] sync()                      = 0
[pid 14624] exit_group(0)               = ?
[pid 14624] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14624, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14625 attached
, child_tidptr=0x555555bcb690) = 14625
[pid 14625] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14625] setpgid(0, 0)               = 0
[pid 14625] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14625] write(3, "1000", 4)         = 4
[pid 14625] close(3)                    = 0
[pid 14625] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14625] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14625] pipe2([3, 4], 0)            = 0
[pid 14625] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14625] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14625] sync()                      = 0
[pid 14625] exit_group(0)               = ?
[pid 14625] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14625, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14626
./strace-static-x86_64: Process 14626 attached
[pid 14626] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14626] setpgid(0, 0)               = 0
[pid 14626] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14626] write(3, "1000", 4)         = 4
[pid 14626] close(3)                    = 0
[pid 14626] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14626] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14626] pipe2([3, 4], 0)            = 0
[pid 14626] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14626] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14626] sync()                      = 0
[pid 14626] exit_group(0)               = ?
[pid 14626] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14626, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14627 attached
, child_tidptr=0x555555bcb690) = 14627
[pid 14627] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14627] setpgid(0, 0)               = 0
[pid 14627] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14627] write(3, "1000", 4)         = 4
[pid 14627] close(3)                    = 0
[pid 14627] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14627] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14627] pipe2([3, 4], 0)            = 0
[pid 14627] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14627] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14627] sync()                      = 0
[pid 14627] exit_group(0)               = ?
[pid 14627] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14627, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14628 attached
, child_tidptr=0x555555bcb690) = 14628
[pid 14628] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14628] setpgid(0, 0)               = 0
[pid 14628] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14628] write(3, "1000", 4)         = 4
[pid 14628] close(3)                    = 0
[pid 14628] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14628] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14628] pipe2([3, 4], 0)            = 0
[pid 14628] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14628] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14628] sync()                      = 0
[pid 14628] exit_group(0)               = ?
[pid 14628] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14628, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14629 attached
, child_tidptr=0x555555bcb690) = 14629
[pid 14629] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14629] setpgid(0, 0)               = 0
[pid 14629] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14629] write(3, "1000", 4)         = 4
[pid 14629] close(3)                    = 0
[pid 14629] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14629] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14629] pipe2([3, 4], 0)            = 0
[pid 14629] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14629] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14629] sync()                      = 0
[pid 14629] exit_group(0)               = ?
[pid 14629] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14629, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14630
./strace-static-x86_64: Process 14630 attached
[pid 14630] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14630] setpgid(0, 0)               = 0
[pid 14630] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14630] write(3, "1000", 4)         = 4
[pid 14630] close(3)                    = 0
[pid 14630] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14630] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14630] pipe2([3, 4], 0)            = 0
[pid 14630] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14630] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14630] sync()                      = 0
[pid 14630] exit_group(0)               = ?
[pid 14630] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14630, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14631 attached
, child_tidptr=0x555555bcb690) = 14631
[pid 14631] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14631] setpgid(0, 0)               = 0
[pid 14631] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14631] write(3, "1000", 4)         = 4
[pid 14631] close(3)                    = 0
[pid 14631] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14631] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14631] pipe2([3, 4], 0)            = 0
[pid 14631] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14631] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14631] sync()                      = 0
[pid 14631] exit_group(0)               = ?
[pid 14631] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14631, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14632 attached
, child_tidptr=0x555555bcb690) = 14632
[pid 14632] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14632] setpgid(0, 0)               = 0
[pid 14632] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14632] write(3, "1000", 4)         = 4
[pid 14632] close(3)                    = 0
[pid 14632] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14632] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14632] pipe2([3, 4], 0)            = 0
[pid 14632] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14632] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14632] sync()                      = 0
[pid 14632] exit_group(0)               = ?
[pid 14632] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14632, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14633
./strace-static-x86_64: Process 14633 attached
[pid 14633] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14633] setpgid(0, 0)               = 0
[pid 14633] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14633] write(3, "1000", 4)         = 4
[pid 14633] close(3)                    = 0
[pid 14633] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14633] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14633] pipe2([3, 4], 0)            = 0
[pid 14633] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14633] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14633] sync()                      = 0
[pid 14633] exit_group(0)               = ?
[pid 14633] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14633, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14634 attached
, child_tidptr=0x555555bcb690) = 14634
[pid 14634] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14634] setpgid(0, 0)               = 0
[pid 14634] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14634] write(3, "1000", 4)         = 4
[pid 14634] close(3)                    = 0
[pid 14634] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14634] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14634] pipe2([3, 4], 0)            = 0
[pid 14634] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14634] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14634] sync()                      = 0
[pid 14634] exit_group(0)               = ?
[pid 14634] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14634, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14635 attached
, child_tidptr=0x555555bcb690) = 14635
[pid 14635] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14635] setpgid(0, 0)               = 0
[pid 14635] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14635] write(3, "1000", 4)         = 4
[pid 14635] close(3)                    = 0
[pid 14635] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14635] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14635] pipe2([3, 4], 0)            = 0
[pid 14635] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14635] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14635] sync()                      = 0
[pid 14635] exit_group(0)               = ?
[pid 14635] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14635, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14636 attached
, child_tidptr=0x555555bcb690) = 14636
[pid 14636] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14636] setpgid(0, 0)               = 0
[pid 14636] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14636] write(3, "1000", 4)         = 4
[pid 14636] close(3)                    = 0
[pid 14636] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14636] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14636] pipe2([3, 4], 0)            = 0
[pid 14636] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14636] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14636] sync()                      = 0
[pid 14636] exit_group(0)               = ?
[pid 14636] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14636, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14637 attached
, child_tidptr=0x555555bcb690) = 14637
[pid 14637] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14637] setpgid(0, 0)               = 0
[pid 14637] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14637] write(3, "1000", 4)         = 4
[pid 14637] close(3)                    = 0
[pid 14637] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14637] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14637] pipe2([3, 4], 0)            = 0
[pid 14637] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14637] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14637] sync()                      = 0
[pid 14637] exit_group(0)               = ?
[pid 14637] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14637, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14638 attached
, child_tidptr=0x555555bcb690) = 14638
[pid 14638] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14638] setpgid(0, 0)               = 0
[pid 14638] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14638] write(3, "1000", 4)         = 4
[pid 14638] close(3)                    = 0
[pid 14638] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14638] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14638] pipe2([3, 4], 0)            = 0
[pid 14638] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14638] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14638] sync()                      = 0
[pid 14638] exit_group(0)               = ?
[pid 14638] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14638, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14639
./strace-static-x86_64: Process 14639 attached
[pid 14639] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14639] setpgid(0, 0)               = 0
[pid 14639] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14639] write(3, "1000", 4)         = 4
[pid 14639] close(3)                    = 0
[pid 14639] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14639] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14639] pipe2([3, 4], 0)            = 0
[pid 14639] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14639] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14639] sync()                      = 0
[pid 14639] exit_group(0)               = ?
[pid 14639] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14639, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14640 attached
, child_tidptr=0x555555bcb690) = 14640
[pid 14640] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14640] setpgid(0, 0)               = 0
[pid 14640] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14640] write(3, "1000", 4)         = 4
[pid 14640] close(3)                    = 0
[pid 14640] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14640] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14640] pipe2([3, 4], 0)            = 0
[pid 14640] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14640] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14640] sync()                      = 0
[pid 14640] exit_group(0)               = ?
[pid 14640] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14640, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14641 attached
, child_tidptr=0x555555bcb690) = 14641
[pid 14641] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14641] setpgid(0, 0)               = 0
[pid 14641] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14641] write(3, "1000", 4)         = 4
[pid 14641] close(3)                    = 0
[pid 14641] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14641] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14641] pipe2([3, 4], 0)            = 0
[pid 14641] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14641] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14641] sync()                      = 0
[pid 14641] exit_group(0)               = ?
[pid 14641] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14641, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14642
./strace-static-x86_64: Process 14642 attached
[pid 14642] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14642] setpgid(0, 0)               = 0
[pid 14642] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14642] write(3, "1000", 4)         = 4
[pid 14642] close(3)                    = 0
[pid 14642] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14642] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14642] pipe2([3, 4], 0)            = 0
[pid 14642] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14642] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14642] sync()                      = 0
[pid 14642] exit_group(0)               = ?
[pid 14642] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14642, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14643
./strace-static-x86_64: Process 14643 attached
[pid 14643] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14643] setpgid(0, 0)               = 0
[pid 14643] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14643] write(3, "1000", 4)         = 4
[pid 14643] close(3)                    = 0
[pid 14643] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14643] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14643] pipe2([3, 4], 0)            = 0
[pid 14643] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14643] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14643] sync()                      = 0
[pid 14643] exit_group(0)               = ?
[pid 14643] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14643, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14644
./strace-static-x86_64: Process 14644 attached
[pid 14644] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14644] setpgid(0, 0)               = 0
[pid 14644] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14644] write(3, "1000", 4)         = 4
[pid 14644] close(3)                    = 0
[pid 14644] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14644] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14644] pipe2([3, 4], 0)            = 0
[pid 14644] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14644] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14644] sync()                      = 0
[pid 14644] exit_group(0)               = ?
[pid 14644] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14644, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14645 attached
, child_tidptr=0x555555bcb690) = 14645
[pid 14645] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14645] setpgid(0, 0)               = 0
[pid 14645] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14645] write(3, "1000", 4)         = 4
[pid 14645] close(3)                    = 0
[pid 14645] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14645] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14645] pipe2([3, 4], 0)            = 0
[pid 14645] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14645] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14645] sync()                      = 0
[pid 14645] exit_group(0)               = ?
[pid 14645] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14645, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14646 attached
 <unfinished ...>
[pid 14646] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14646] setpgid(0, 0)               = 0
[pid 14646] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3603] <... clone resumed>, child_tidptr=0x555555bcb690) = 14646
[pid 14646] <... openat resumed>)       = 3
[pid 14646] write(3, "1000", 4)         = 4
[pid 14646] close(3)                    = 0
[pid 14646] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14646] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14646] pipe2([3, 4], 0)            = 0
[pid 14646] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14646] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14646] sync()                      = 0
[pid 14646] exit_group(0)               = ?
[pid 14646] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14646, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14647
./strace-static-x86_64: Process 14647 attached
[pid 14647] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14647] setpgid(0, 0)               = 0
[pid 14647] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14647] write(3, "1000", 4)         = 4
[pid 14647] close(3)                    = 0
[pid 14647] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14647] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14647] pipe2([3, 4], 0)            = 0
[pid 14647] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14647] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14647] sync()                      = 0
[pid 14647] exit_group(0)               = ?
[pid 14647] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14647, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14648 attached
, child_tidptr=0x555555bcb690) = 14648
[pid 14648] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14648] setpgid(0, 0)               = 0
[pid 14648] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14648] write(3, "1000", 4)         = 4
[pid 14648] close(3)                    = 0
[pid 14648] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14648] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14648] pipe2([3, 4], 0)            = 0
[pid 14648] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14648] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14648] sync()                      = 0
[pid 14648] exit_group(0)               = ?
[pid 14648] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14648, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14649 attached
, child_tidptr=0x555555bcb690) = 14649
[pid 14649] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14649] setpgid(0, 0)               = 0
[pid 14649] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14649] write(3, "1000", 4)         = 4
[pid 14649] close(3)                    = 0
[pid 14649] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14649] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14649] pipe2([3, 4], 0)            = 0
[pid 14649] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14649] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14649] sync()                      = 0
[pid 14649] exit_group(0)               = ?
[pid 14649] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14649, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14650
./strace-static-x86_64: Process 14650 attached
[pid 14650] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14650] setpgid(0, 0)               = 0
[pid 14650] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14650] write(3, "1000", 4)         = 4
[pid 14650] close(3)                    = 0
[pid 14650] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14650] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14650] pipe2([3, 4], 0)            = 0
[pid 14650] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14650] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14650] sync()                      = 0
[pid 14650] exit_group(0)               = ?
[pid 14650] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14650, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14651 attached
, child_tidptr=0x555555bcb690) = 14651
[pid 14651] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14651] setpgid(0, 0)               = 0
[pid 14651] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14651] write(3, "1000", 4)         = 4
[pid 14651] close(3)                    = 0
[pid 14651] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14651] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14651] pipe2([3, 4], 0)            = 0
[pid 14651] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14651] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14651] sync()                      = 0
[pid 14651] exit_group(0)               = ?
[pid 14651] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14651, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14652 attached
 <unfinished ...>
[pid 14652] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14652] setpgid(0, 0)               = 0
[pid 14652] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14652] write(3, "1000", 4)         = 4
[pid 14652] close(3)                    = 0
[pid 14652] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3603] <... clone resumed>, child_tidptr=0x555555bcb690) = 14652
[pid 14652] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14652] pipe2([3, 4], 0)            = 0
[pid 14652] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14652] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14652] sync()                      = 0
[pid 14652] exit_group(0)               = ?
[pid 14652] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14652, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14653
./strace-static-x86_64: Process 14653 attached
[pid 14653] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14653] setpgid(0, 0)               = 0
[pid 14653] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14653] write(3, "1000", 4)         = 4
[pid 14653] close(3)                    = 0
[pid 14653] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14653] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14653] pipe2([3, 4], 0)            = 0
[pid 14653] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14653] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14653] sync()                      = 0
[pid 14653] exit_group(0)               = ?
[pid 14653] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14653, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14654
./strace-static-x86_64: Process 14654 attached
[pid 14654] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14654] setpgid(0, 0)               = 0
[pid 14654] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14654] write(3, "1000", 4)         = 4
[pid 14654] close(3)                    = 0
[pid 14654] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14654] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14654] pipe2([3, 4], 0)            = 0
[pid 14654] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14654] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14654] sync()                      = 0
[pid 14654] exit_group(0)               = ?
[pid 14654] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14654, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14655
./strace-static-x86_64: Process 14655 attached
[pid 14655] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14655] setpgid(0, 0)               = 0
[pid 14655] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14655] write(3, "1000", 4)         = 4
[pid 14655] close(3)                    = 0
[pid 14655] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14655] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14655] pipe2([3, 4], 0)            = 0
[pid 14655] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14655] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14655] sync()                      = 0
[pid 14655] exit_group(0)               = ?
[pid 14655] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14655, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14656 attached
, child_tidptr=0x555555bcb690) = 14656
[pid 14656] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14656] setpgid(0, 0)               = 0
[pid 14656] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14656] write(3, "1000", 4)         = 4
[pid 14656] close(3)                    = 0
[pid 14656] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14656] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14656] pipe2([3, 4], 0)            = 0
[pid 14656] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14656] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14656] sync()                      = 0
[pid 14656] exit_group(0)               = ?
[pid 14656] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14656, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14657 attached
, child_tidptr=0x555555bcb690) = 14657
[pid 14657] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14657] setpgid(0, 0)               = 0
[pid 14657] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14657] write(3, "1000", 4)         = 4
[pid 14657] close(3)                    = 0
[pid 14657] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14657] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14657] pipe2([3, 4], 0)            = 0
[pid 14657] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14657] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14657] sync()                      = 0
[pid 14657] exit_group(0)               = ?
[pid 14657] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14657, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14658 attached
, child_tidptr=0x555555bcb690) = 14658
[pid 14658] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14658] setpgid(0, 0)               = 0
[pid 14658] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14658] write(3, "1000", 4)         = 4
[pid 14658] close(3)                    = 0
[pid 14658] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14658] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14658] pipe2([3, 4], 0)            = 0
[pid 14658] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14658] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14658] sync()                      = 0
[pid 14658] exit_group(0)               = ?
[pid 14658] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14658, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14659
./strace-static-x86_64: Process 14659 attached
[pid 14659] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14659] setpgid(0, 0)               = 0
[pid 14659] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14659] write(3, "1000", 4)         = 4
[pid 14659] close(3)                    = 0
[pid 14659] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14659] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14659] pipe2([3, 4], 0)            = 0
[pid 14659] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14659] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14659] sync()                      = 0
[pid 14659] exit_group(0)               = ?
[pid 14659] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14659, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14660
./strace-static-x86_64: Process 14660 attached
[pid 14660] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14660] setpgid(0, 0)               = 0
[pid 14660] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14660] write(3, "1000", 4)         = 4
[pid 14660] close(3)                    = 0
[pid 14660] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14660] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14660] pipe2([3, 4], 0)            = 0
[pid 14660] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14660] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14660] sync()                      = 0
[pid 14660] exit_group(0)               = ?
[pid 14660] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14660, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14661 attached
, child_tidptr=0x555555bcb690) = 14661
[pid 14661] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14661] setpgid(0, 0)               = 0
[pid 14661] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14661] write(3, "1000", 4)         = 4
[pid 14661] close(3)                    = 0
[pid 14661] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14661] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14661] pipe2([3, 4], 0)            = 0
[pid 14661] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14661] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14661] sync()                      = 0
[pid 14661] exit_group(0)               = ?
[pid 14661] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14661, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14662 attached
, child_tidptr=0x555555bcb690) = 14662
[pid 14662] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14662] setpgid(0, 0)               = 0
[pid 14662] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14662] write(3, "1000", 4)         = 4
[pid 14662] close(3)                    = 0
[pid 14662] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14662] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14662] pipe2([3, 4], 0)            = 0
[pid 14662] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14662] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14662] sync()                      = 0
[pid 14662] exit_group(0)               = ?
[pid 14662] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14662, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14663 attached
, child_tidptr=0x555555bcb690) = 14663
[pid 14663] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14663] setpgid(0, 0)               = 0
[pid 14663] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14663] write(3, "1000", 4)         = 4
[pid 14663] close(3)                    = 0
[pid 14663] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14663] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14663] pipe2([3, 4], 0)            = 0
[pid 14663] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14663] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14663] sync()                      = 0
[pid 14663] exit_group(0)               = ?
[pid 14663] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14663, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14664 attached
, child_tidptr=0x555555bcb690) = 14664
[pid 14664] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14664] setpgid(0, 0)               = 0
[pid 14664] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14664] write(3, "1000", 4)         = 4
[pid 14664] close(3)                    = 0
[pid 14664] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14664] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14664] pipe2([3, 4], 0)            = 0
[pid 14664] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14664] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14664] sync()                      = 0
[pid 14664] exit_group(0)               = ?
[pid 14664] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14664, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14665 attached
, child_tidptr=0x555555bcb690) = 14665
[pid 14665] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14665] setpgid(0, 0)               = 0
[pid 14665] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14665] write(3, "1000", 4)         = 4
[pid 14665] close(3)                    = 0
[pid 14665] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14665] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14665] pipe2([3, 4], 0)            = 0
[pid 14665] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14665] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14665] sync()                      = 0
[pid 14665] exit_group(0)               = ?
[pid 14665] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14665, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14666 attached
, child_tidptr=0x555555bcb690) = 14666
[pid 14666] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14666] setpgid(0, 0)               = 0
[pid 14666] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14666] write(3, "1000", 4)         = 4
[pid 14666] close(3)                    = 0
[pid 14666] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14666] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14666] pipe2([3, 4], 0)            = 0
[pid 14666] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14666] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14666] sync()                      = 0
[pid 14666] exit_group(0)               = ?
[pid 14666] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14666, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14667 attached
, child_tidptr=0x555555bcb690) = 14667
[pid 14667] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14667] setpgid(0, 0)               = 0
[pid 14667] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14667] write(3, "1000", 4)         = 4
[pid 14667] close(3)                    = 0
[pid 14667] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14667] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14667] pipe2([3, 4], 0)            = 0
[pid 14667] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14667] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14667] sync()                      = 0
[pid 14667] exit_group(0)               = ?
[pid 14667] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14667, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14668 attached
, child_tidptr=0x555555bcb690) = 14668
[pid 14668] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14668] setpgid(0, 0)               = 0
[pid 14668] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14668] write(3, "1000", 4)         = 4
[pid 14668] close(3)                    = 0
[pid 14668] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14668] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14668] pipe2([3, 4], 0)            = 0
[pid 14668] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14668] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14668] sync()                      = 0
[pid 14668] exit_group(0)               = ?
[pid 14668] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14668, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14669 attached
, child_tidptr=0x555555bcb690) = 14669
[pid 14669] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14669] setpgid(0, 0)               = 0
[pid 14669] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14669] write(3, "1000", 4)         = 4
[pid 14669] close(3)                    = 0
[pid 14669] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14669] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14669] pipe2([3, 4], 0)            = 0
[pid 14669] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14669] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14669] sync()                      = 0
[pid 14669] exit_group(0)               = ?
[pid 14669] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14669, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14670 attached
, child_tidptr=0x555555bcb690) = 14670
[pid 14670] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14670] setpgid(0, 0)               = 0
[pid 14670] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14670] write(3, "1000", 4)         = 4
[pid 14670] close(3)                    = 0
[pid 14670] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14670] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14670] pipe2([3, 4], 0)            = 0
[pid 14670] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14670] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14670] sync()                      = 0
[pid 14670] exit_group(0)               = ?
[pid 14670] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14670, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14671 attached
, child_tidptr=0x555555bcb690) = 14671
[pid 14671] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14671] setpgid(0, 0)               = 0
[pid 14671] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14671] write(3, "1000", 4)         = 4
[pid 14671] close(3)                    = 0
[pid 14671] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14671] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14671] pipe2([3, 4], 0)            = 0
[pid 14671] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14671] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14671] sync()                      = 0
[pid 14671] exit_group(0)               = ?
[pid 14671] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14671, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14672 attached
, child_tidptr=0x555555bcb690) = 14672
[pid 14672] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14672] setpgid(0, 0)               = 0
[pid 14672] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14672] write(3, "1000", 4)         = 4
[pid 14672] close(3)                    = 0
[pid 14672] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14672] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14672] pipe2([3, 4], 0)            = 0
[pid 14672] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14672] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14672] sync()                      = 0
[pid 14672] exit_group(0)               = ?
[pid 14672] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14672, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14673 attached
, child_tidptr=0x555555bcb690) = 14673
[pid 14673] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14673] setpgid(0, 0)               = 0
[pid 14673] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14673] write(3, "1000", 4)         = 4
[pid 14673] close(3)                    = 0
[pid 14673] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14673] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14673] pipe2([3, 4], 0)            = 0
[pid 14673] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14673] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14673] sync()                      = 0
[pid 14673] exit_group(0)               = ?
[pid 14673] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14673, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14674 attached
, child_tidptr=0x555555bcb690) = 14674
[pid 14674] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14674] setpgid(0, 0)               = 0
[pid 14674] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14674] write(3, "1000", 4)         = 4
[pid 14674] close(3)                    = 0
[pid 14674] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14674] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14674] pipe2([3, 4], 0)            = 0
[pid 14674] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14674] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14674] sync()                      = 0
[pid 14674] exit_group(0)               = ?
[pid 14674] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14674, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14675
./strace-static-x86_64: Process 14675 attached
[pid 14675] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14675] setpgid(0, 0)               = 0
[pid 14675] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14675] write(3, "1000", 4)         = 4
[pid 14675] close(3)                    = 0
[pid 14675] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14675] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14675] pipe2([3, 4], 0)            = 0
[pid 14675] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14675] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14675] sync()                      = 0
[pid 14675] exit_group(0)               = ?
[pid 14675] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14675, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14676
./strace-static-x86_64: Process 14676 attached
[pid 14676] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14676] setpgid(0, 0)               = 0
[pid 14676] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14676] write(3, "1000", 4)         = 4
[pid 14676] close(3)                    = 0
[pid 14676] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14676] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14676] pipe2([3, 4], 0)            = 0
[pid 14676] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14676] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14676] sync()                      = 0
[pid 14676] exit_group(0)               = ?
[pid 14676] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14676, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14677
./strace-static-x86_64: Process 14677 attached
[pid 14677] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14677] setpgid(0, 0)               = 0
[pid 14677] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14677] write(3, "1000", 4)         = 4
[pid 14677] close(3)                    = 0
[pid 14677] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14677] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14677] pipe2([3, 4], 0)            = 0
[pid 14677] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14677] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14677] sync()                      = 0
[pid 14677] exit_group(0)               = ?
[pid 14677] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14677, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14678 attached
, child_tidptr=0x555555bcb690) = 14678
[pid 14678] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14678] setpgid(0, 0)               = 0
[pid 14678] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14678] write(3, "1000", 4)         = 4
[pid 14678] close(3)                    = 0
[pid 14678] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14678] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14678] pipe2([3, 4], 0)            = 0
[pid 14678] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14678] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14678] sync()                      = 0
[pid 14678] exit_group(0)               = ?
[pid 14678] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14678, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14679
./strace-static-x86_64: Process 14679 attached
[pid 14679] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14679] setpgid(0, 0)               = 0
[pid 14679] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14679] write(3, "1000", 4)         = 4
[pid 14679] close(3)                    = 0
[pid 14679] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14679] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14679] pipe2([3, 4], 0)            = 0
[pid 14679] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14679] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14679] sync()                      = 0
[pid 14679] exit_group(0)               = ?
[pid 14679] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14679, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14680
./strace-static-x86_64: Process 14680 attached
[pid 14680] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14680] setpgid(0, 0)               = 0
[pid 14680] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14680] write(3, "1000", 4)         = 4
[pid 14680] close(3)                    = 0
[pid 14680] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14680] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14680] pipe2([3, 4], 0)            = 0
[pid 14680] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14680] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14680] sync()                      = 0
[pid 14680] exit_group(0)               = ?
[pid 14680] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14680, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14681
./strace-static-x86_64: Process 14681 attached
[pid 14681] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14681] setpgid(0, 0)               = 0
[pid 14681] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14681] write(3, "1000", 4)         = 4
[pid 14681] close(3)                    = 0
[pid 14681] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14681] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14681] pipe2([3, 4], 0)            = 0
[pid 14681] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14681] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14681] sync()                      = 0
[pid 14681] exit_group(0)               = ?
[pid 14681] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14681, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14682
./strace-static-x86_64: Process 14682 attached
[pid 14682] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14682] setpgid(0, 0)               = 0
[pid 14682] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14682] write(3, "1000", 4)         = 4
[pid 14682] close(3)                    = 0
[pid 14682] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14682] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14682] pipe2([3, 4], 0)            = 0
[pid 14682] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14682] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14682] sync()                      = 0
[pid 14682] exit_group(0)               = ?
[pid 14682] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14682, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14683
./strace-static-x86_64: Process 14683 attached
[pid 14683] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14683] setpgid(0, 0)               = 0
[pid 14683] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14683] write(3, "1000", 4)         = 4
[pid 14683] close(3)                    = 0
[pid 14683] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14683] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14683] pipe2([3, 4], 0)            = 0
[pid 14683] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14683] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14683] sync()                      = 0
[pid 14683] exit_group(0)               = ?
[pid 14683] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14683, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14684 attached
, child_tidptr=0x555555bcb690) = 14684
[pid 14684] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14684] setpgid(0, 0)               = 0
[pid 14684] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14684] write(3, "1000", 4)         = 4
[pid 14684] close(3)                    = 0
[pid 14684] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14684] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14684] pipe2([3, 4], 0)            = 0
[pid 14684] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14684] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14684] sync()                      = 0
[pid 14684] exit_group(0)               = ?
[pid 14684] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14684, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14685 attached
, child_tidptr=0x555555bcb690) = 14685
[pid 14685] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14685] setpgid(0, 0)               = 0
[pid 14685] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14685] write(3, "1000", 4)         = 4
[pid 14685] close(3)                    = 0
[pid 14685] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14685] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14685] pipe2([3, 4], 0)            = 0
[pid 14685] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14685] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14685] sync()                      = 0
[pid 14685] exit_group(0)               = ?
[pid 14685] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14685, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14686 attached
, child_tidptr=0x555555bcb690) = 14686
[pid 14686] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14686] setpgid(0, 0)               = 0
[pid 14686] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14686] write(3, "1000", 4)         = 4
[pid 14686] close(3)                    = 0
[pid 14686] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14686] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14686] pipe2([3, 4], 0)            = 0
[pid 14686] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14686] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14686] sync()                      = 0
[pid 14686] exit_group(0)               = ?
[pid 14686] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14686, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14687 attached
, child_tidptr=0x555555bcb690) = 14687
[pid 14687] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14687] setpgid(0, 0)               = 0
[pid 14687] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14687] write(3, "1000", 4)         = 4
[pid 14687] close(3)                    = 0
[pid 14687] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14687] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14687] pipe2([3, 4], 0)            = 0
[pid 14687] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14687] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14687] sync()                      = 0
[pid 14687] exit_group(0)               = ?
[pid 14687] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14687, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14688
./strace-static-x86_64: Process 14688 attached
[pid 14688] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14688] setpgid(0, 0)               = 0
[pid 14688] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14688] write(3, "1000", 4)         = 4
[pid 14688] close(3)                    = 0
[pid 14688] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14688] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14688] pipe2([3, 4], 0)            = 0
[pid 14688] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14688] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14688] sync()                      = 0
[pid 14688] exit_group(0)               = ?
[pid 14688] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14688, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14689 attached
, child_tidptr=0x555555bcb690) = 14689
[pid 14689] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14689] setpgid(0, 0)               = 0
[pid 14689] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14689] write(3, "1000", 4)         = 4
[pid 14689] close(3)                    = 0
[pid 14689] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14689] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14689] pipe2([3, 4], 0)            = 0
[pid 14689] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14689] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14689] sync()                      = 0
[pid 14689] exit_group(0)               = ?
[pid 14689] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14689, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14690
./strace-static-x86_64: Process 14690 attached
[pid 14690] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14690] setpgid(0, 0)               = 0
[pid 14690] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14690] write(3, "1000", 4)         = 4
[pid 14690] close(3)                    = 0
[pid 14690] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14690] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14690] pipe2([3, 4], 0)            = 0
[pid 14690] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14690] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14690] sync()                      = 0
[pid 14690] exit_group(0)               = ?
[pid 14690] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14690, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14691 attached
, child_tidptr=0x555555bcb690) = 14691
[pid 14691] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14691] setpgid(0, 0)               = 0
[pid 14691] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14691] write(3, "1000", 4)         = 4
[pid 14691] close(3)                    = 0
[pid 14691] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14691] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14691] pipe2([3, 4], 0)            = 0
[pid 14691] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14691] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14691] sync()                      = 0
[pid 14691] exit_group(0)               = ?
[pid 14691] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14691, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14692
./strace-static-x86_64: Process 14692 attached
[pid 14692] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14692] setpgid(0, 0)               = 0
[pid 14692] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14692] write(3, "1000", 4)         = 4
[pid 14692] close(3)                    = 0
[pid 14692] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14692] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14692] pipe2([3, 4], 0)            = 0
[pid 14692] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14692] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14692] sync()                      = 0
[pid 14692] exit_group(0)               = ?
[pid 14692] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14692, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14693 attached
, child_tidptr=0x555555bcb690) = 14693
[pid 14693] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14693] setpgid(0, 0)               = 0
[pid 14693] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14693] write(3, "1000", 4)         = 4
[pid 14693] close(3)                    = 0
[pid 14693] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14693] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14693] pipe2([3, 4], 0)            = 0
[pid 14693] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14693] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14693] sync()                      = 0
[pid 14693] exit_group(0)               = ?
[pid 14693] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14693, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14694
./strace-static-x86_64: Process 14694 attached
[pid 14694] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14694] setpgid(0, 0)               = 0
[pid 14694] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14694] write(3, "1000", 4)         = 4
[pid 14694] close(3)                    = 0
[pid 14694] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14694] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14694] pipe2([3, 4], 0)            = 0
[pid 14694] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14694] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14694] sync()                      = 0
[pid 14694] exit_group(0)               = ?
[pid 14694] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14694, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14695 attached
, child_tidptr=0x555555bcb690) = 14695
[pid 14695] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14695] setpgid(0, 0)               = 0
[pid 14695] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14695] write(3, "1000", 4)         = 4
[pid 14695] close(3)                    = 0
[pid 14695] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14695] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14695] pipe2([3, 4], 0)            = 0
[pid 14695] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14695] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14695] sync()                      = 0
[pid 14695] exit_group(0)               = ?
[pid 14695] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14695, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14696 attached
, child_tidptr=0x555555bcb690) = 14696
[pid 14696] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14696] setpgid(0, 0)               = 0
[pid 14696] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14696] write(3, "1000", 4)         = 4
[pid 14696] close(3)                    = 0
[pid 14696] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14696] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14696] pipe2([3, 4], 0)            = 0
[pid 14696] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14696] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14696] sync()                      = 0
[pid 14696] exit_group(0)               = ?
[pid 14696] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14696, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14697 attached
, child_tidptr=0x555555bcb690) = 14697
[pid 14697] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14697] setpgid(0, 0)               = 0
[pid 14697] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14697] write(3, "1000", 4)         = 4
[pid 14697] close(3)                    = 0
[pid 14697] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14697] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14697] pipe2([3, 4], 0)            = 0
[pid 14697] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14697] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14697] sync()                      = 0
[pid 14697] exit_group(0)               = ?
[pid 14697] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14697, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14698
./strace-static-x86_64: Process 14698 attached
[pid 14698] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14698] setpgid(0, 0)               = 0
[pid 14698] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14698] write(3, "1000", 4)         = 4
[pid 14698] close(3)                    = 0
[pid 14698] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14698] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14698] pipe2([3, 4], 0)            = 0
[pid 14698] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14698] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14698] sync()                      = 0
[pid 14698] exit_group(0)               = ?
[pid 14698] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14698, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14699
./strace-static-x86_64: Process 14699 attached
[pid 14699] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14699] setpgid(0, 0)               = 0
[pid 14699] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14699] write(3, "1000", 4)         = 4
[pid 14699] close(3)                    = 0
[pid 14699] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14699] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14699] pipe2([3, 4], 0)            = 0
[pid 14699] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14699] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14699] sync()                      = 0
[pid 14699] exit_group(0)               = ?
[pid 14699] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14699, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14700 attached
, child_tidptr=0x555555bcb690) = 14700
[pid 14700] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14700] setpgid(0, 0)               = 0
[pid 14700] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14700] write(3, "1000", 4)         = 4
[pid 14700] close(3)                    = 0
[pid 14700] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14700] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14700] pipe2([3, 4], 0)            = 0
[pid 14700] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14700] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14700] sync()                      = 0
[pid 14700] exit_group(0)               = ?
[pid 14700] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14700, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14701
./strace-static-x86_64: Process 14701 attached
[pid 14701] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14701] setpgid(0, 0)               = 0
[pid 14701] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14701] write(3, "1000", 4)         = 4
[pid 14701] close(3)                    = 0
[pid 14701] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14701] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14701] pipe2([3, 4], 0)            = 0
[pid 14701] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14701] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14701] sync()                      = 0
[pid 14701] exit_group(0)               = ?
[pid 14701] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14701, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14702 attached
, child_tidptr=0x555555bcb690) = 14702
[pid 14702] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14702] setpgid(0, 0)               = 0
[pid 14702] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14702] write(3, "1000", 4)         = 4
[pid 14702] close(3)                    = 0
[pid 14702] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14702] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14702] pipe2([3, 4], 0)            = 0
[pid 14702] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14702] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14702] sync()                      = 0
[pid 14702] exit_group(0)               = ?
[pid 14702] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14702, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14703 attached
, child_tidptr=0x555555bcb690) = 14703
[pid 14703] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14703] setpgid(0, 0)               = 0
[pid 14703] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14703] write(3, "1000", 4)         = 4
[pid 14703] close(3)                    = 0
[pid 14703] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14703] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14703] pipe2([3, 4], 0)            = 0
[pid 14703] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14703] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14703] sync()                      = 0
[pid 14703] exit_group(0)               = ?
[pid 14703] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14703, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14704 attached
, child_tidptr=0x555555bcb690) = 14704
[pid 14704] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14704] setpgid(0, 0)               = 0
[pid 14704] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14704] write(3, "1000", 4)         = 4
[pid 14704] close(3)                    = 0
[pid 14704] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14704] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14704] pipe2([3, 4], 0)            = 0
[pid 14704] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14704] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14704] sync()                      = 0
[pid 14704] exit_group(0)               = ?
[pid 14704] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14704, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14705
./strace-static-x86_64: Process 14705 attached
[pid 14705] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14705] setpgid(0, 0)               = 0
[pid 14705] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14705] write(3, "1000", 4)         = 4
[pid 14705] close(3)                    = 0
[pid 14705] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14705] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14705] pipe2([3, 4], 0)            = 0
[pid 14705] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14705] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14705] sync()                      = 0
[pid 14705] exit_group(0)               = ?
[pid 14705] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14705, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14706 attached
, child_tidptr=0x555555bcb690) = 14706
[pid 14706] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14706] setpgid(0, 0)               = 0
[pid 14706] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14706] write(3, "1000", 4)         = 4
[pid 14706] close(3)                    = 0
[pid 14706] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14706] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14706] pipe2([3, 4], 0)            = 0
[pid 14706] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14706] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14706] sync()                      = 0
[pid 14706] exit_group(0)               = ?
[pid 14706] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14706, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14707 attached
, child_tidptr=0x555555bcb690) = 14707
[pid 14707] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14707] setpgid(0, 0)               = 0
[pid 14707] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14707] write(3, "1000", 4)         = 4
[pid 14707] close(3)                    = 0
[pid 14707] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14707] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14707] pipe2([3, 4], 0)            = 0
[pid 14707] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14707] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14707] sync()                      = 0
[pid 14707] exit_group(0)               = ?
[pid 14707] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14707, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14708 attached
, child_tidptr=0x555555bcb690) = 14708
[pid 14708] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14708] setpgid(0, 0)               = 0
[pid 14708] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14708] write(3, "1000", 4)         = 4
[pid 14708] close(3)                    = 0
[pid 14708] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14708] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14708] pipe2([3, 4], 0)            = 0
[pid 14708] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14708] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14708] sync()                      = 0
[pid 14708] exit_group(0)               = ?
[pid 14708] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14708, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14709 attached
, child_tidptr=0x555555bcb690) = 14709
[pid 14709] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14709] setpgid(0, 0)               = 0
[pid 14709] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14709] write(3, "1000", 4)         = 4
[pid 14709] close(3)                    = 0
[pid 14709] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14709] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14709] pipe2([3, 4], 0)            = 0
[pid 14709] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14709] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14709] sync()                      = 0
[pid 14709] exit_group(0)               = ?
[pid 14709] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14709, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14710 attached
, child_tidptr=0x555555bcb690) = 14710
[pid 14710] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14710] setpgid(0, 0)               = 0
[pid 14710] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14710] write(3, "1000", 4)         = 4
[pid 14710] close(3)                    = 0
[pid 14710] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14710] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14710] pipe2([3, 4], 0)            = 0
[pid 14710] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14710] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14710] sync()                      = 0
[pid 14710] exit_group(0)               = ?
[pid 14710] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14710, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14711 attached
, child_tidptr=0x555555bcb690) = 14711
[pid 14711] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14711] setpgid(0, 0)               = 0
[pid 14711] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14711] write(3, "1000", 4)         = 4
[pid 14711] close(3)                    = 0
[pid 14711] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14711] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14711] pipe2([3, 4], 0)            = 0
[pid 14711] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14711] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14711] sync()                      = 0
[pid 14711] exit_group(0)               = ?
[pid 14711] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14711, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14712
./strace-static-x86_64: Process 14712 attached
[pid 14712] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14712] setpgid(0, 0)               = 0
[pid 14712] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14712] write(3, "1000", 4)         = 4
[pid 14712] close(3)                    = 0
[pid 14712] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14712] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14712] pipe2([3, 4], 0)            = 0
[pid 14712] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14712] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14712] sync()                      = 0
[pid 14712] exit_group(0)               = ?
[pid 14712] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14712, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14713
./strace-static-x86_64: Process 14713 attached
[pid 14713] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14713] setpgid(0, 0)               = 0
[pid 14713] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14713] write(3, "1000", 4)         = 4
[pid 14713] close(3)                    = 0
[pid 14713] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14713] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14713] pipe2([3, 4], 0)            = 0
[pid 14713] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14713] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14713] sync()                      = 0
[pid 14713] exit_group(0)               = ?
[pid 14713] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14713, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14714
./strace-static-x86_64: Process 14714 attached
[pid 14714] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14714] setpgid(0, 0)               = 0
[pid 14714] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14714] write(3, "1000", 4)         = 4
[pid 14714] close(3)                    = 0
[pid 14714] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14714] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14714] pipe2([3, 4], 0)            = 0
[pid 14714] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14714] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14714] sync()                      = 0
[pid 14714] exit_group(0)               = ?
[pid 14714] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14714, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14715 attached
, child_tidptr=0x555555bcb690) = 14715
[pid 14715] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14715] setpgid(0, 0)               = 0
[pid 14715] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14715] write(3, "1000", 4)         = 4
[pid 14715] close(3)                    = 0
[pid 14715] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14715] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14715] pipe2([3, 4], 0)            = 0
[pid 14715] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14715] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14715] sync()                      = 0
[pid 14715] exit_group(0)               = ?
[pid 14715] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14715, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14716
./strace-static-x86_64: Process 14716 attached
[pid 14716] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14716] setpgid(0, 0)               = 0
[pid 14716] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14716] write(3, "1000", 4)         = 4
[pid 14716] close(3)                    = 0
[pid 14716] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14716] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14716] pipe2([3, 4], 0)            = 0
[pid 14716] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14716] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14716] sync()                      = 0
[pid 14716] exit_group(0)               = ?
[pid 14716] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14716, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14717 attached
, child_tidptr=0x555555bcb690) = 14717
[pid 14717] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14717] setpgid(0, 0)               = 0
[pid 14717] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14717] write(3, "1000", 4)         = 4
[pid 14717] close(3)                    = 0
[pid 14717] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14717] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14717] pipe2([3, 4], 0)            = 0
[pid 14717] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14717] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14717] sync()                      = 0
[pid 14717] exit_group(0)               = ?
[pid 14717] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14717, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14718
./strace-static-x86_64: Process 14718 attached
[pid 14718] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14718] setpgid(0, 0)               = 0
[pid 14718] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14718] write(3, "1000", 4)         = 4
[pid 14718] close(3)                    = 0
[pid 14718] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14718] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14718] pipe2([3, 4], 0)            = 0
[pid 14718] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14718] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14718] sync()                      = 0
[pid 14718] exit_group(0)               = ?
[pid 14718] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14718, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14719 attached
, child_tidptr=0x555555bcb690) = 14719
[pid 14719] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14719] setpgid(0, 0)               = 0
[pid 14719] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14719] write(3, "1000", 4)         = 4
[pid 14719] close(3)                    = 0
[pid 14719] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14719] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14719] pipe2([3, 4], 0)            = 0
[pid 14719] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14719] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14719] sync()                      = 0
[pid 14719] exit_group(0)               = ?
[pid 14719] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14719, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14720 attached
, child_tidptr=0x555555bcb690) = 14720
[pid 14720] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14720] setpgid(0, 0)               = 0
[pid 14720] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14720] write(3, "1000", 4)         = 4
[pid 14720] close(3)                    = 0
[pid 14720] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14720] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14720] pipe2([3, 4], 0)            = 0
[pid 14720] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14720] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14720] sync()                      = 0
[pid 14720] exit_group(0)               = ?
[pid 14720] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14720, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14721 attached
, child_tidptr=0x555555bcb690) = 14721
[pid 14721] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14721] setpgid(0, 0)               = 0
[pid 14721] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14721] write(3, "1000", 4)         = 4
[pid 14721] close(3)                    = 0
[pid 14721] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14721] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14721] pipe2([3, 4], 0)            = 0
[pid 14721] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14721] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14721] sync()                      = 0
[pid 14721] exit_group(0)               = ?
[pid 14721] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14721, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14722 attached
, child_tidptr=0x555555bcb690) = 14722
[pid 14722] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14722] setpgid(0, 0)               = 0
[pid 14722] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14722] write(3, "1000", 4)         = 4
[pid 14722] close(3)                    = 0
[pid 14722] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14722] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14722] pipe2([3, 4], 0)            = 0
[pid 14722] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14722] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14722] sync()                      = 0
[pid 14722] exit_group(0)               = ?
[pid 14722] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14722, si_uid=0, si_status=0, si_utime=1, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14723 attached
, child_tidptr=0x555555bcb690) = 14723
[pid 14723] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14723] setpgid(0, 0)               = 0
[pid 14723] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14723] write(3, "1000", 4)         = 4
[pid 14723] close(3)                    = 0
[pid 14723] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14723] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14723] pipe2([3, 4], 0)            = 0
[pid 14723] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14723] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14723] sync()                      = 0
[pid 14723] exit_group(0)               = ?
[pid 14723] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14723, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14724
./strace-static-x86_64: Process 14724 attached
[pid 14724] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14724] setpgid(0, 0)               = 0
[pid 14724] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14724] write(3, "1000", 4)         = 4
[pid 14724] close(3)                    = 0
[pid 14724] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14724] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14724] pipe2([3, 4], 0)            = 0
[pid 14724] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14724] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14724] sync()                      = 0
[pid 14724] exit_group(0)               = ?
[pid 14724] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14724, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14725
./strace-static-x86_64: Process 14725 attached
[pid 14725] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14725] setpgid(0, 0)               = 0
[pid 14725] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14725] write(3, "1000", 4)         = 4
[pid 14725] close(3)                    = 0
[pid 14725] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14725] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14725] pipe2([3, 4], 0)            = 0
[pid 14725] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14725] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14725] sync()                      = 0
[pid 14725] exit_group(0)               = ?
[pid 14725] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14725, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14726
./strace-static-x86_64: Process 14726 attached
[pid 14726] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14726] setpgid(0, 0)               = 0
[pid 14726] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14726] write(3, "1000", 4)         = 4
[pid 14726] close(3)                    = 0
[pid 14726] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14726] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14726] pipe2([3, 4], 0)            = 0
[pid 14726] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14726] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14726] sync()                      = 0
[pid 14726] exit_group(0)               = ?
[pid 14726] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14726, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14727 attached
, child_tidptr=0x555555bcb690) = 14727
[pid 14727] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14727] setpgid(0, 0)               = 0
[pid 14727] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14727] write(3, "1000", 4)         = 4
[pid 14727] close(3)                    = 0
[pid 14727] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14727] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14727] pipe2([3, 4], 0)            = 0
[pid 14727] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14727] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14727] sync()                      = 0
[pid 14727] exit_group(0)               = ?
[pid 14727] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14727, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14728 attached
, child_tidptr=0x555555bcb690) = 14728
[pid 14728] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14728] setpgid(0, 0)               = 0
[pid 14728] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14728] write(3, "1000", 4)         = 4
[pid 14728] close(3)                    = 0
[pid 14728] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14728] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14728] pipe2([3, 4], 0)            = 0
[pid 14728] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14728] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14728] sync()                      = 0
[pid 14728] exit_group(0)               = ?
[pid 14728] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14728, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14729 attached
, child_tidptr=0x555555bcb690) = 14729
[pid 14729] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14729] setpgid(0, 0)               = 0
[pid 14729] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14729] write(3, "1000", 4)         = 4
[pid 14729] close(3)                    = 0
[pid 14729] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14729] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14729] pipe2([3, 4], 0)            = 0
[pid 14729] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14729] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14729] sync()                      = 0
[pid 14729] exit_group(0)               = ?
[pid 14729] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14729, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14730 attached
, child_tidptr=0x555555bcb690) = 14730
[pid 14730] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14730] setpgid(0, 0)               = 0
[pid 14730] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14730] write(3, "1000", 4)         = 4
[pid 14730] close(3)                    = 0
[pid 14730] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14730] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14730] pipe2([3, 4], 0)            = 0
[pid 14730] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14730] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14730] sync()                      = 0
[pid 14730] exit_group(0)               = ?
[pid 14730] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14730, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14731 attached
, child_tidptr=0x555555bcb690) = 14731
[pid 14731] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14731] setpgid(0, 0)               = 0
[pid 14731] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14731] write(3, "1000", 4)         = 4
[pid 14731] close(3)                    = 0
[pid 14731] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14731] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14731] pipe2([3, 4], 0)            = 0
[pid 14731] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14731] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14731] sync()                      = 0
[pid 14731] exit_group(0)               = ?
[pid 14731] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14731, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14732
./strace-static-x86_64: Process 14732 attached
[pid 14732] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14732] setpgid(0, 0)               = 0
[pid 14732] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14732] write(3, "1000", 4)         = 4
[pid 14732] close(3)                    = 0
[pid 14732] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14732] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14732] pipe2([3, 4], 0)            = 0
[pid 14732] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14732] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14732] sync()                      = 0
[pid 14732] exit_group(0)               = ?
[pid 14732] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14732, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14733 attached
, child_tidptr=0x555555bcb690) = 14733
[pid 14733] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14733] setpgid(0, 0)               = 0
[pid 14733] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14733] write(3, "1000", 4)         = 4
[pid 14733] close(3)                    = 0
[pid 14733] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14733] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14733] pipe2([3, 4], 0)            = 0
[pid 14733] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14733] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14733] sync()                      = 0
[pid 14733] exit_group(0)               = ?
[pid 14733] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14733, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14734 attached
, child_tidptr=0x555555bcb690) = 14734
[pid 14734] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14734] setpgid(0, 0)               = 0
[pid 14734] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14734] write(3, "1000", 4)         = 4
[pid 14734] close(3)                    = 0
[pid 14734] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14734] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14734] pipe2([3, 4], 0)            = 0
[pid 14734] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14734] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14734] sync()                      = 0
[pid 14734] exit_group(0)               = ?
[pid 14734] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14734, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14735
./strace-static-x86_64: Process 14735 attached
[pid 14735] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14735] setpgid(0, 0)               = 0
[pid 14735] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14735] write(3, "1000", 4)         = 4
[pid 14735] close(3)                    = 0
[pid 14735] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14735] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14735] pipe2([3, 4], 0)            = 0
[pid 14735] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14735] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14735] sync()                      = 0
[pid 14735] exit_group(0)               = ?
[pid 14735] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14735, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14736 attached
 <unfinished ...>
[pid 14736] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14736] setpgid(0, 0)               = 0
[pid 14736] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3603] <... clone resumed>, child_tidptr=0x555555bcb690) = 14736
[pid 14736] <... openat resumed>)       = 3
[pid 14736] write(3, "1000", 4)         = 4
[pid 14736] close(3)                    = 0
[pid 14736] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14736] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14736] pipe2([3, 4], 0)            = 0
[pid 14736] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14736] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14736] sync()                      = 0
[pid 14736] exit_group(0)               = ?
[pid 14736] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14736, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14737 attached
, child_tidptr=0x555555bcb690) = 14737
[pid 14737] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14737] setpgid(0, 0)               = 0
[pid 14737] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14737] write(3, "1000", 4)         = 4
[pid 14737] close(3)                    = 0
[pid 14737] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14737] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14737] pipe2([3, 4], 0)            = 0
[pid 14737] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14737] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14737] sync()                      = 0
[pid 14737] exit_group(0)               = ?
[pid 14737] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14737, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14738 attached
, child_tidptr=0x555555bcb690) = 14738
[pid 14738] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14738] setpgid(0, 0)               = 0
[pid 14738] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14738] write(3, "1000", 4)         = 4
[pid 14738] close(3)                    = 0
[pid 14738] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14738] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14738] pipe2([3, 4], 0)            = 0
[pid 14738] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14738] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14738] sync()                      = 0
[pid 14738] exit_group(0)               = ?
[pid 14738] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14738, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14739
./strace-static-x86_64: Process 14739 attached
[pid 14739] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14739] setpgid(0, 0)               = 0
[pid 14739] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14739] write(3, "1000", 4)         = 4
[pid 14739] close(3)                    = 0
[pid 14739] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14739] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14739] pipe2([3, 4], 0)            = 0
[pid 14739] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14739] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14739] sync()                      = 0
[pid 14739] exit_group(0)               = ?
[pid 14739] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14739, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14740 attached
, child_tidptr=0x555555bcb690) = 14740
[pid 14740] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14740] setpgid(0, 0)               = 0
[pid 14740] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14740] write(3, "1000", 4)         = 4
[pid 14740] close(3)                    = 0
[pid 14740] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14740] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14740] pipe2([3, 4], 0)            = 0
[pid 14740] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14740] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14740] sync()                      = 0
[pid 14740] exit_group(0)               = ?
[pid 14740] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14740, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14741 attached
, child_tidptr=0x555555bcb690) = 14741
[pid 14741] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14741] setpgid(0, 0)               = 0
[pid 14741] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14741] write(3, "1000", 4)         = 4
[pid 14741] close(3)                    = 0
[pid 14741] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14741] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14741] pipe2([3, 4], 0)            = 0
[pid 14741] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14741] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14741] sync()                      = 0
[pid 14741] exit_group(0)               = ?
[pid 14741] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14741, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14742
./strace-static-x86_64: Process 14742 attached
[pid 14742] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14742] setpgid(0, 0)               = 0
[pid 14742] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14742] write(3, "1000", 4)         = 4
[pid 14742] close(3)                    = 0
[pid 14742] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14742] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14742] pipe2([3, 4], 0)            = 0
[pid 14742] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14742] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14742] sync()                      = 0
[pid 14742] exit_group(0)               = ?
[pid 14742] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14742, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14743
./strace-static-x86_64: Process 14743 attached
[pid 14743] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14743] setpgid(0, 0)               = 0
[pid 14743] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14743] write(3, "1000", 4)         = 4
[pid 14743] close(3)                    = 0
[pid 14743] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14743] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14743] pipe2([3, 4], 0)            = 0
[pid 14743] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14743] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14743] sync()                      = 0
[pid 14743] exit_group(0)               = ?
[pid 14743] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14743, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14744
./strace-static-x86_64: Process 14744 attached
[pid 14744] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14744] setpgid(0, 0)               = 0
[pid 14744] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14744] write(3, "1000", 4)         = 4
[pid 14744] close(3)                    = 0
[pid 14744] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14744] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14744] pipe2([3, 4], 0)            = 0
[pid 14744] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14744] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14744] sync()                      = 0
[pid 14744] exit_group(0)               = ?
[pid 14744] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14744, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14745
./strace-static-x86_64: Process 14745 attached
[pid 14745] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14745] setpgid(0, 0)               = 0
[pid 14745] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14745] write(3, "1000", 4)         = 4
[pid 14745] close(3)                    = 0
[pid 14745] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14745] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14745] pipe2([3, 4], 0)            = 0
[pid 14745] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14745] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14745] sync()                      = 0
[pid 14745] exit_group(0)               = ?
[pid 14745] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14745, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14746
./strace-static-x86_64: Process 14746 attached
[pid 14746] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14746] setpgid(0, 0)               = 0
[pid 14746] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14746] write(3, "1000", 4)         = 4
[pid 14746] close(3)                    = 0
[pid 14746] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14746] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14746] pipe2([3, 4], 0)            = 0
[pid 14746] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14746] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14746] sync()                      = 0
[pid 14746] exit_group(0)               = ?
[pid 14746] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14746, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14747
./strace-static-x86_64: Process 14747 attached
[pid 14747] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14747] setpgid(0, 0)               = 0
[pid 14747] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14747] write(3, "1000", 4)         = 4
[pid 14747] close(3)                    = 0
[pid 14747] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14747] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14747] pipe2([3, 4], 0)            = 0
[pid 14747] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14747] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14747] sync()                      = 0
[pid 14747] exit_group(0)               = ?
[pid 14747] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14747, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14748
./strace-static-x86_64: Process 14748 attached
[pid 14748] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14748] setpgid(0, 0)               = 0
[pid 14748] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14748] write(3, "1000", 4)         = 4
[pid 14748] close(3)                    = 0
[pid 14748] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14748] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14748] pipe2([3, 4], 0)            = 0
[pid 14748] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14748] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14748] sync()                      = 0
[pid 14748] exit_group(0)               = ?
[pid 14748] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14748, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14749 attached
, child_tidptr=0x555555bcb690) = 14749
[pid 14749] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14749] setpgid(0, 0)               = 0
[pid 14749] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14749] write(3, "1000", 4)         = 4
[pid 14749] close(3)                    = 0
[pid 14749] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14749] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14749] pipe2([3, 4], 0)            = 0
[pid 14749] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14749] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14749] sync()                      = 0
[pid 14749] exit_group(0)               = ?
[pid 14749] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14749, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14750 attached
, child_tidptr=0x555555bcb690) = 14750
[pid 14750] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14750] setpgid(0, 0)               = 0
[pid 14750] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14750] write(3, "1000", 4)         = 4
[pid 14750] close(3)                    = 0
[pid 14750] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14750] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14750] pipe2([3, 4], 0)            = 0
[pid 14750] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14750] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14750] sync()                      = 0
[pid 14750] exit_group(0)               = ?
[pid 14750] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14750, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14751
./strace-static-x86_64: Process 14751 attached
[pid 14751] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14751] setpgid(0, 0)               = 0
[pid 14751] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14751] write(3, "1000", 4)         = 4
[pid 14751] close(3)                    = 0
[pid 14751] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14751] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14751] pipe2([3, 4], 0)            = 0
[pid 14751] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14751] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14751] sync()                      = 0
[pid 14751] exit_group(0)               = ?
[pid 14751] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14751, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14752
./strace-static-x86_64: Process 14752 attached
[pid 14752] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14752] setpgid(0, 0)               = 0
[pid 14752] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14752] write(3, "1000", 4)         = 4
[pid 14752] close(3)                    = 0
[pid 14752] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14752] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14752] pipe2([3, 4], 0)            = 0
[pid 14752] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14752] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14752] sync()                      = 0
[pid 14752] exit_group(0)               = ?
[pid 14752] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14752, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14753
./strace-static-x86_64: Process 14753 attached
[pid 14753] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14753] setpgid(0, 0)               = 0
[pid 14753] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14753] write(3, "1000", 4)         = 4
[pid 14753] close(3)                    = 0
[pid 14753] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14753] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14753] pipe2([3, 4], 0)            = 0
[pid 14753] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14753] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14753] sync()                      = 0
[pid 14753] exit_group(0)               = ?
[pid 14753] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14753, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14754 attached
, child_tidptr=0x555555bcb690) = 14754
[pid 14754] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14754] setpgid(0, 0)               = 0
[pid 14754] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14754] write(3, "1000", 4)         = 4
[pid 14754] close(3)                    = 0
[pid 14754] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14754] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14754] pipe2([3, 4], 0)            = 0
[pid 14754] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14754] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14754] sync()                      = 0
[pid 14754] exit_group(0)               = ?
[pid 14754] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14754, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14755
./strace-static-x86_64: Process 14755 attached
[pid 14755] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14755] setpgid(0, 0)               = 0
[pid 14755] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14755] write(3, "1000", 4)         = 4
[pid 14755] close(3)                    = 0
[pid 14755] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14755] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14755] pipe2([3, 4], 0)            = 0
[pid 14755] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14755] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14755] sync()                      = 0
[pid 14755] exit_group(0)               = ?
[pid 14755] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14755, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14756 attached
, child_tidptr=0x555555bcb690) = 14756
[pid 14756] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14756] setpgid(0, 0)               = 0
[pid 14756] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14756] write(3, "1000", 4)         = 4
[pid 14756] close(3)                    = 0
[pid 14756] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14756] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14756] pipe2([3, 4], 0)            = 0
[pid 14756] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14756] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14756] sync()                      = 0
[pid 14756] exit_group(0)               = ?
[pid 14756] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14756, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14757 attached
, child_tidptr=0x555555bcb690) = 14757
[pid 14757] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14757] setpgid(0, 0)               = 0
[pid 14757] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14757] write(3, "1000", 4)         = 4
[pid 14757] close(3)                    = 0
[pid 14757] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14757] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14757] pipe2([3, 4], 0)            = 0
[pid 14757] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14757] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14757] sync()                      = 0
[pid 14757] exit_group(0)               = ?
[pid 14757] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14757, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14758 attached
, child_tidptr=0x555555bcb690) = 14758
[pid 14758] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14758] setpgid(0, 0)               = 0
[pid 14758] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14758] write(3, "1000", 4)         = 4
[pid 14758] close(3)                    = 0
[pid 14758] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14758] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14758] pipe2([3, 4], 0)            = 0
[pid 14758] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14758] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14758] sync()                      = 0
[pid 14758] exit_group(0)               = ?
[pid 14758] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14758, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14759 attached
, child_tidptr=0x555555bcb690) = 14759
[pid 14759] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14759] setpgid(0, 0)               = 0
[pid 14759] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14759] write(3, "1000", 4)         = 4
[pid 14759] close(3)                    = 0
[pid 14759] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14759] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14759] pipe2([3, 4], 0)            = 0
[pid 14759] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14759] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14759] sync()                      = 0
[pid 14759] exit_group(0)               = ?
[pid 14759] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14759, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14760 attached
, child_tidptr=0x555555bcb690) = 14760
[pid 14760] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14760] setpgid(0, 0)               = 0
[pid 14760] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14760] write(3, "1000", 4)         = 4
[pid 14760] close(3)                    = 0
[pid 14760] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14760] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14760] pipe2([3, 4], 0)            = 0
[pid 14760] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14760] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14760] sync()                      = 0
[pid 14760] exit_group(0)               = ?
[pid 14760] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14760, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14761 attached
, child_tidptr=0x555555bcb690) = 14761
[pid 14761] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14761] setpgid(0, 0)               = 0
[pid 14761] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14761] write(3, "1000", 4)         = 4
[pid 14761] close(3)                    = 0
[pid 14761] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14761] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14761] pipe2([3, 4], 0)            = 0
[pid 14761] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14761] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14761] sync()                      = 0
[pid 14761] exit_group(0)               = ?
[pid 14761] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14761, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14762
./strace-static-x86_64: Process 14762 attached
[pid 14762] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14762] setpgid(0, 0)               = 0
[pid 14762] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14762] write(3, "1000", 4)         = 4
[pid 14762] close(3)                    = 0
[pid 14762] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14762] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14762] pipe2([3, 4], 0)            = 0
[pid 14762] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14762] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14762] sync()                      = 0
[pid 14762] exit_group(0)               = ?
[pid 14762] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14762, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14763
./strace-static-x86_64: Process 14763 attached
[pid 14763] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14763] setpgid(0, 0)               = 0
[pid 14763] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14763] write(3, "1000", 4)         = 4
[pid 14763] close(3)                    = 0
[pid 14763] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14763] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14763] pipe2([3, 4], 0)            = 0
[pid 14763] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14763] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14763] sync()                      = 0
[pid 14763] exit_group(0)               = ?
[pid 14763] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14763, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14764 attached
 <unfinished ...>
[pid 14764] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14764] setpgid(0, 0)               = 0
[pid 14764] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14764] write(3, "1000", 4)         = 4
[pid 14764] close(3)                    = 0
[pid 14764] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14764] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14764] pipe2([3, 4], 0)            = 0
[pid 14764] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14764] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," <unfinished ...>
[pid  3603] <... clone resumed>, child_tidptr=0x555555bcb690) = 14764
[pid 14764] <... mount resumed>)        = -1 EINVAL (Invalid argument)
[pid 14764] sync()                      = 0
[pid 14764] exit_group(0)               = ?
[pid 14764] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14764, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14765
./strace-static-x86_64: Process 14765 attached
[pid 14765] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14765] setpgid(0, 0)               = 0
[pid 14765] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14765] write(3, "1000", 4)         = 4
[pid 14765] close(3)                    = 0
[pid 14765] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14765] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14765] pipe2([3, 4], 0)            = 0
[pid 14765] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14765] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14765] sync()                      = 0
[pid 14765] exit_group(0)               = ?
[pid 14765] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14765, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14766
./strace-static-x86_64: Process 14766 attached
[pid 14766] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14766] setpgid(0, 0)               = 0
[pid 14766] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14766] write(3, "1000", 4)         = 4
[pid 14766] close(3)                    = 0
[pid 14766] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14766] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14766] pipe2([3, 4], 0)            = 0
[pid 14766] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14766] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14766] sync()                      = 0
[pid 14766] exit_group(0)               = ?
[pid 14766] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14766, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14767
./strace-static-x86_64: Process 14767 attached
[pid 14767] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14767] setpgid(0, 0)               = 0
[pid 14767] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14767] write(3, "1000", 4)         = 4
[pid 14767] close(3)                    = 0
[pid 14767] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14767] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14767] pipe2([3, 4], 0)            = 0
[pid 14767] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14767] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14767] sync()                      = 0
[pid 14767] exit_group(0)               = ?
[pid 14767] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14767, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14768 attached
, child_tidptr=0x555555bcb690) = 14768
[pid 14768] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14768] setpgid(0, 0)               = 0
[pid 14768] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14768] write(3, "1000", 4)         = 4
[pid 14768] close(3)                    = 0
[pid 14768] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14768] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14768] pipe2([3, 4], 0)            = 0
[pid 14768] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14768] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14768] sync()                      = 0
[pid 14768] exit_group(0)               = ?
[pid 14768] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14768, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14769 attached
, child_tidptr=0x555555bcb690) = 14769
[pid 14769] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14769] setpgid(0, 0)               = 0
[pid 14769] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14769] write(3, "1000", 4)         = 4
[pid 14769] close(3)                    = 0
[pid 14769] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14769] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14769] pipe2([3, 4], 0)            = 0
[pid 14769] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14769] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14769] sync()                      = 0
[pid 14769] exit_group(0)               = ?
[pid 14769] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14769, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14770 attached
, child_tidptr=0x555555bcb690) = 14770
[pid 14770] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14770] setpgid(0, 0)               = 0
[pid 14770] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14770] write(3, "1000", 4)         = 4
[pid 14770] close(3)                    = 0
[pid 14770] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14770] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14770] pipe2([3, 4], 0)            = 0
[pid 14770] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14770] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14770] sync()                      = 0
[pid 14770] exit_group(0)               = ?
[pid 14770] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14770, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14771
./strace-static-x86_64: Process 14771 attached
[pid 14771] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14771] setpgid(0, 0)               = 0
[pid 14771] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14771] write(3, "1000", 4)         = 4
[pid 14771] close(3)                    = 0
[pid 14771] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14771] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14771] pipe2([3, 4], 0)            = 0
[pid 14771] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14771] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14771] sync()                      = 0
[pid 14771] exit_group(0)               = ?
[pid 14771] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14771, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14772 attached
, child_tidptr=0x555555bcb690) = 14772
[pid 14772] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14772] setpgid(0, 0)               = 0
[pid 14772] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14772] write(3, "1000", 4)         = 4
[pid 14772] close(3)                    = 0
[pid 14772] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14772] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14772] pipe2([3, 4], 0)            = 0
[pid 14772] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14772] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14772] sync()                      = 0
[pid 14772] exit_group(0)               = ?
[pid 14772] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14772, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14773
./strace-static-x86_64: Process 14773 attached
[pid 14773] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14773] setpgid(0, 0)               = 0
[pid 14773] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14773] write(3, "1000", 4)         = 4
[pid 14773] close(3)                    = 0
[pid 14773] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14773] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14773] pipe2([3, 4], 0)            = 0
[pid 14773] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14773] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14773] sync()                      = 0
[pid 14773] exit_group(0)               = ?
[pid 14773] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14773, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14774 attached
, child_tidptr=0x555555bcb690) = 14774
[pid 14774] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14774] setpgid(0, 0)               = 0
[pid 14774] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14774] write(3, "1000", 4)         = 4
[pid 14774] close(3)                    = 0
[pid 14774] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14774] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14774] pipe2([3, 4], 0)            = 0
[pid 14774] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14774] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14774] sync()                      = 0
[pid 14774] exit_group(0)               = ?
[pid 14774] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14774, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14775 attached
, child_tidptr=0x555555bcb690) = 14775
[pid 14775] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14775] setpgid(0, 0)               = 0
[pid 14775] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14775] write(3, "1000", 4)         = 4
[pid 14775] close(3)                    = 0
[pid 14775] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14775] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14775] pipe2([3, 4], 0)            = 0
[pid 14775] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14775] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14775] sync()                      = 0
[pid 14775] exit_group(0)               = ?
[pid 14775] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14775, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14776 attached
, child_tidptr=0x555555bcb690) = 14776
[pid 14776] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14776] setpgid(0, 0)               = 0
[pid 14776] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14776] write(3, "1000", 4)         = 4
[pid 14776] close(3)                    = 0
[pid 14776] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14776] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14776] pipe2([3, 4], 0)            = 0
[pid 14776] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14776] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14776] sync()                      = 0
[pid 14776] exit_group(0)               = ?
[pid 14776] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14776, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14777
./strace-static-x86_64: Process 14777 attached
[pid 14777] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14777] setpgid(0, 0)               = 0
[pid 14777] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14777] write(3, "1000", 4)         = 4
[pid 14777] close(3)                    = 0
[pid 14777] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14777] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14777] pipe2([3, 4], 0)            = 0
[pid 14777] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14777] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14777] sync()                      = 0
[pid 14777] exit_group(0)               = ?
[pid 14777] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14777, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14778
./strace-static-x86_64: Process 14778 attached
[pid 14778] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14778] setpgid(0, 0)               = 0
[pid 14778] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14778] write(3, "1000", 4)         = 4
[pid 14778] close(3)                    = 0
[pid 14778] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14778] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14778] pipe2([3, 4], 0)            = 0
[pid 14778] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14778] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14778] sync()                      = 0
[pid 14778] exit_group(0)               = ?
[pid 14778] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14778, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14779
./strace-static-x86_64: Process 14779 attached
[pid 14779] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14779] setpgid(0, 0)               = 0
[pid 14779] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14779] write(3, "1000", 4)         = 4
[pid 14779] close(3)                    = 0
[pid 14779] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14779] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14779] pipe2([3, 4], 0)            = 0
[pid 14779] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14779] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14779] sync()                      = 0
[pid 14779] exit_group(0)               = ?
[pid 14779] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14779, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14780 attached
, child_tidptr=0x555555bcb690) = 14780
[pid 14780] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14780] setpgid(0, 0)               = 0
[pid 14780] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14780] write(3, "1000", 4)         = 4
[pid 14780] close(3)                    = 0
[pid 14780] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14780] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14780] pipe2([3, 4], 0)            = 0
[pid 14780] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14780] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14780] sync()                      = 0
[pid 14780] exit_group(0)               = ?
[pid 14780] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14780, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14781 attached
, child_tidptr=0x555555bcb690) = 14781
[pid 14781] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14781] setpgid(0, 0)               = 0
[pid 14781] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14781] write(3, "1000", 4)         = 4
[pid 14781] close(3)                    = 0
[pid 14781] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14781] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14781] pipe2([3, 4], 0)            = 0
[pid 14781] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14781] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14781] sync()                      = 0
[pid 14781] exit_group(0)               = ?
[pid 14781] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14781, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14782 attached
, child_tidptr=0x555555bcb690) = 14782
[pid 14782] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14782] setpgid(0, 0)               = 0
[pid 14782] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14782] write(3, "1000", 4)         = 4
[pid 14782] close(3)                    = 0
[pid 14782] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14782] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14782] pipe2([3, 4], 0)            = 0
[pid 14782] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14782] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14782] sync()                      = 0
[pid 14782] exit_group(0)               = ?
[pid 14782] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14782, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14783
./strace-static-x86_64: Process 14783 attached
[pid 14783] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14783] setpgid(0, 0)               = 0
[pid 14783] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14783] write(3, "1000", 4)         = 4
[pid 14783] close(3)                    = 0
[pid 14783] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14783] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14783] pipe2([3, 4], 0)            = 0
[pid 14783] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14783] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14783] sync()                      = 0
[pid 14783] exit_group(0)               = ?
[pid 14783] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14783, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14784 attached
 <unfinished ...>
[pid 14784] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14784] setpgid(0, 0)               = 0
[pid 14784] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14784] write(3, "1000", 4)         = 4
[pid 14784] close(3)                    = 0
[pid 14784] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14784] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14784] pipe2([3, 4], 0)            = 0
[pid 14784] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14784] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," <unfinished ...>
[pid  3603] <... clone resumed>, child_tidptr=0x555555bcb690) = 14784
[pid 14784] <... mount resumed>)        = -1 EINVAL (Invalid argument)
[pid 14784] sync()                      = 0
[pid 14784] exit_group(0)               = ?
[pid 14784] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14784, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14785
./strace-static-x86_64: Process 14785 attached
[pid 14785] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14785] setpgid(0, 0)               = 0
[pid 14785] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14785] write(3, "1000", 4)         = 4
[pid 14785] close(3)                    = 0
[pid 14785] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14785] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14785] pipe2([3, 4], 0)            = 0
[pid 14785] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14785] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14785] sync()                      = 0
[pid 14785] exit_group(0)               = ?
[pid 14785] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14785, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14786 attached
, child_tidptr=0x555555bcb690) = 14786
[pid 14786] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14786] setpgid(0, 0)               = 0
[pid 14786] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14786] write(3, "1000", 4)         = 4
[pid 14786] close(3)                    = 0
[pid 14786] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14786] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14786] pipe2([3, 4], 0)            = 0
[pid 14786] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14786] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14786] sync()                      = 0
[pid 14786] exit_group(0)               = ?
[pid 14786] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14786, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14787 attached
, child_tidptr=0x555555bcb690) = 14787
[pid 14787] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14787] setpgid(0, 0)               = 0
[pid 14787] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14787] write(3, "1000", 4)         = 4
[pid 14787] close(3)                    = 0
[pid 14787] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14787] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14787] pipe2([3, 4], 0)            = 0
[pid 14787] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14787] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14787] sync()                      = 0
[pid 14787] exit_group(0)               = ?
[pid 14787] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14787, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14788 attached
, child_tidptr=0x555555bcb690) = 14788
[pid 14788] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14788] setpgid(0, 0)               = 0
[pid 14788] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14788] write(3, "1000", 4)         = 4
[pid 14788] close(3)                    = 0
[pid 14788] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14788] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14788] pipe2([3, 4], 0)            = 0
[pid 14788] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14788] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14788] sync()                      = 0
[pid 14788] exit_group(0)               = ?
[pid 14788] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14788, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14789
./strace-static-x86_64: Process 14789 attached
[pid 14789] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14789] setpgid(0, 0)               = 0
[pid 14789] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14789] write(3, "1000", 4)         = 4
[pid 14789] close(3)                    = 0
[pid 14789] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14789] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14789] pipe2([3, 4], 0)            = 0
[pid 14789] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14789] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14789] sync()                      = 0
[pid 14789] exit_group(0)               = ?
[pid 14789] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14789, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14790
./strace-static-x86_64: Process 14790 attached
[pid 14790] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14790] setpgid(0, 0)               = 0
[pid 14790] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14790] write(3, "1000", 4)         = 4
[pid 14790] close(3)                    = 0
[pid 14790] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14790] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14790] pipe2([3, 4], 0)            = 0
[pid 14790] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14790] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14790] sync()                      = 0
[pid 14790] exit_group(0)               = ?
[pid 14790] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14790, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14791
./strace-static-x86_64: Process 14791 attached
[pid 14791] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14791] setpgid(0, 0)               = 0
[pid 14791] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14791] write(3, "1000", 4)         = 4
[pid 14791] close(3)                    = 0
[pid 14791] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14791] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14791] pipe2([3, 4], 0)            = 0
[pid 14791] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14791] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14791] sync()                      = 0
[pid 14791] exit_group(0)               = ?
[pid 14791] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14791, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14792 attached
, child_tidptr=0x555555bcb690) = 14792
[pid 14792] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14792] setpgid(0, 0)               = 0
[pid 14792] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14792] write(3, "1000", 4)         = 4
[pid 14792] close(3)                    = 0
[pid 14792] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14792] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14792] pipe2([3, 4], 0)            = 0
[pid 14792] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14792] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14792] sync()                      = 0
[pid 14792] exit_group(0)               = ?
[pid 14792] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14792, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14793 attached
, child_tidptr=0x555555bcb690) = 14793
[pid 14793] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14793] setpgid(0, 0)               = 0
[pid 14793] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14793] write(3, "1000", 4)         = 4
[pid 14793] close(3)                    = 0
[pid 14793] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14793] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14793] pipe2([3, 4], 0)            = 0
[pid 14793] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14793] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14793] sync()                      = 0
[pid 14793] exit_group(0)               = ?
[pid 14793] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14793, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14794 attached
, child_tidptr=0x555555bcb690) = 14794
[pid 14794] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14794] setpgid(0, 0)               = 0
[pid 14794] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14794] write(3, "1000", 4)         = 4
[pid 14794] close(3)                    = 0
[pid 14794] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14794] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14794] pipe2([3, 4], 0)            = 0
[pid 14794] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14794] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14794] sync()                      = 0
[pid 14794] exit_group(0)               = ?
[pid 14794] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14794, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14795 attached
, child_tidptr=0x555555bcb690) = 14795
[pid 14795] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14795] setpgid(0, 0)               = 0
[pid 14795] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14795] write(3, "1000", 4)         = 4
[pid 14795] close(3)                    = 0
[pid 14795] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14795] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14795] pipe2([3, 4], 0)            = 0
[pid 14795] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14795] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14795] sync()                      = 0
[pid 14795] exit_group(0)               = ?
[pid 14795] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14795, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14796
./strace-static-x86_64: Process 14796 attached
[pid 14796] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14796] setpgid(0, 0)               = 0
[pid 14796] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14796] write(3, "1000", 4)         = 4
[pid 14796] close(3)                    = 0
[pid 14796] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14796] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14796] pipe2([3, 4], 0)            = 0
[pid 14796] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14796] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14796] sync()                      = 0
[pid 14796] exit_group(0)               = ?
[pid 14796] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14796, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14797 attached
, child_tidptr=0x555555bcb690) = 14797
[pid 14797] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14797] setpgid(0, 0)               = 0
[pid 14797] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14797] write(3, "1000", 4)         = 4
[pid 14797] close(3)                    = 0
[pid 14797] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14797] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14797] pipe2([3, 4], 0)            = 0
[pid 14797] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14797] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14797] sync()                      = 0
[pid 14797] exit_group(0)               = ?
[pid 14797] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14797, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14798
./strace-static-x86_64: Process 14798 attached
[pid 14798] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14798] setpgid(0, 0)               = 0
[pid 14798] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14798] write(3, "1000", 4)         = 4
[pid 14798] close(3)                    = 0
[pid 14798] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14798] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14798] pipe2([3, 4], 0)            = 0
[pid 14798] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14798] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14798] sync()                      = 0
[pid 14798] exit_group(0)               = ?
[pid 14798] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14798, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14799
./strace-static-x86_64: Process 14799 attached
[pid 14799] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14799] setpgid(0, 0)               = 0
[pid 14799] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14799] write(3, "1000", 4)         = 4
[pid 14799] close(3)                    = 0
[pid 14799] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14799] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14799] pipe2([3, 4], 0)            = 0
[pid 14799] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14799] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14799] sync()                      = 0
[pid 14799] exit_group(0)               = ?
[pid 14799] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14799, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14800 attached
, child_tidptr=0x555555bcb690) = 14800
[pid 14800] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14800] setpgid(0, 0)               = 0
[pid 14800] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14800] write(3, "1000", 4)         = 4
[pid 14800] close(3)                    = 0
[pid 14800] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14800] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14800] pipe2([3, 4], 0)            = 0
[pid 14800] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14800] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14800] sync()                      = 0
[pid 14800] exit_group(0)               = ?
[pid 14800] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14800, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14801 attached
, child_tidptr=0x555555bcb690) = 14801
[pid 14801] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14801] setpgid(0, 0)               = 0
[pid 14801] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14801] write(3, "1000", 4)         = 4
[pid 14801] close(3)                    = 0
[pid 14801] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14801] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14801] pipe2([3, 4], 0)            = 0
[pid 14801] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14801] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14801] sync()                      = 0
[pid 14801] exit_group(0)               = ?
[pid 14801] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14801, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14802 attached
, child_tidptr=0x555555bcb690) = 14802
[pid 14802] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14802] setpgid(0, 0)               = 0
[pid 14802] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14802] write(3, "1000", 4)         = 4
[pid 14802] close(3)                    = 0
[pid 14802] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14802] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14802] pipe2([3, 4], 0)            = 0
[pid 14802] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14802] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14802] sync()                      = 0
[pid 14802] exit_group(0)               = ?
[pid 14802] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14802, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14803 attached
, child_tidptr=0x555555bcb690) = 14803
[pid 14803] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14803] setpgid(0, 0)               = 0
[pid 14803] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14803] write(3, "1000", 4)         = 4
[pid 14803] close(3)                    = 0
[pid 14803] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14803] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14803] pipe2([3, 4], 0)            = 0
[pid 14803] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14803] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14803] sync()                      = 0
[pid 14803] exit_group(0)               = ?
[pid 14803] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14803, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14804 attached
, child_tidptr=0x555555bcb690) = 14804
[pid 14804] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14804] setpgid(0, 0)               = 0
[pid 14804] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14804] write(3, "1000", 4)         = 4
[pid 14804] close(3)                    = 0
[pid 14804] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14804] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14804] pipe2([3, 4], 0)            = 0
[pid 14804] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14804] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14804] sync()                      = 0
[pid 14804] exit_group(0)               = ?
[pid 14804] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14804, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14805
./strace-static-x86_64: Process 14805 attached
[pid 14805] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14805] setpgid(0, 0)               = 0
[pid 14805] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14805] write(3, "1000", 4)         = 4
[pid 14805] close(3)                    = 0
[pid 14805] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14805] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14805] pipe2([3, 4], 0)            = 0
[pid 14805] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14805] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14805] sync()                      = 0
[pid 14805] exit_group(0)               = ?
[pid 14805] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14805, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14806
./strace-static-x86_64: Process 14806 attached
[pid 14806] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14806] setpgid(0, 0)               = 0
[pid 14806] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14806] write(3, "1000", 4)         = 4
[pid 14806] close(3)                    = 0
[pid 14806] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14806] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14806] pipe2([3, 4], 0)            = 0
[pid 14806] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14806] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14806] sync()                      = 0
[pid 14806] exit_group(0)               = ?
[pid 14806] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14806, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14807
./strace-static-x86_64: Process 14807 attached
[pid 14807] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14807] setpgid(0, 0)               = 0
[pid 14807] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14807] write(3, "1000", 4)         = 4
[pid 14807] close(3)                    = 0
[pid 14807] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14807] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14807] pipe2([3, 4], 0)            = 0
[pid 14807] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14807] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14807] sync()                      = 0
[pid 14807] exit_group(0)               = ?
[pid 14807] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14807, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14808 attached
, child_tidptr=0x555555bcb690) = 14808
[pid 14808] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14808] setpgid(0, 0)               = 0
[pid 14808] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14808] write(3, "1000", 4)         = 4
[pid 14808] close(3)                    = 0
[pid 14808] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14808] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14808] pipe2([3, 4], 0)            = 0
[pid 14808] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14808] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14808] sync()                      = 0
[pid 14808] exit_group(0)               = ?
[pid 14808] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14808, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14809 attached
, child_tidptr=0x555555bcb690) = 14809
[pid 14809] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14809] setpgid(0, 0)               = 0
[pid 14809] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14809] write(3, "1000", 4)         = 4
[pid 14809] close(3)                    = 0
[pid 14809] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14809] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14809] pipe2([3, 4], 0)            = 0
[pid 14809] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14809] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14809] sync()                      = 0
[pid 14809] exit_group(0)               = ?
[pid 14809] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14809, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14810
./strace-static-x86_64: Process 14810 attached
[pid 14810] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14810] setpgid(0, 0)               = 0
[pid 14810] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14810] write(3, "1000", 4)         = 4
[pid 14810] close(3)                    = 0
[pid 14810] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14810] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14810] pipe2([3, 4], 0)            = 0
[pid 14810] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14810] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14810] sync()                      = 0
[pid 14810] exit_group(0)               = ?
[pid 14810] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14810, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14811 attached
, child_tidptr=0x555555bcb690) = 14811
[pid 14811] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14811] setpgid(0, 0)               = 0
[pid 14811] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14811] write(3, "1000", 4)         = 4
[pid 14811] close(3)                    = 0
[pid 14811] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14811] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14811] pipe2([3, 4], 0)            = 0
[pid 14811] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14811] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14811] sync()                      = 0
[pid 14811] exit_group(0)               = ?
[pid 14811] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14811, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14812
./strace-static-x86_64: Process 14812 attached
[pid 14812] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14812] setpgid(0, 0)               = 0
[pid 14812] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14812] write(3, "1000", 4)         = 4
[pid 14812] close(3)                    = 0
[pid 14812] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14812] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14812] pipe2([3, 4], 0)            = 0
[pid 14812] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14812] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14812] sync()                      = 0
[pid 14812] exit_group(0)               = ?
[pid 14812] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14812, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14813 attached
, child_tidptr=0x555555bcb690) = 14813
[pid 14813] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14813] setpgid(0, 0)               = 0
[pid 14813] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14813] write(3, "1000", 4)         = 4
[pid 14813] close(3)                    = 0
[pid 14813] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14813] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14813] pipe2([3, 4], 0)            = 0
[pid 14813] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14813] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14813] sync()                      = 0
[pid 14813] exit_group(0)               = ?
[pid 14813] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14813, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14814
./strace-static-x86_64: Process 14814 attached
[pid 14814] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14814] setpgid(0, 0)               = 0
[pid 14814] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14814] write(3, "1000", 4)         = 4
[pid 14814] close(3)                    = 0
[pid 14814] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14814] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14814] pipe2([3, 4], 0)            = 0
[pid 14814] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14814] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14814] sync()                      = 0
[pid 14814] exit_group(0)               = ?
[pid 14814] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14814, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14815
./strace-static-x86_64: Process 14815 attached
[pid 14815] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14815] setpgid(0, 0)               = 0
[pid 14815] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14815] write(3, "1000", 4)         = 4
[pid 14815] close(3)                    = 0
[pid 14815] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14815] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14815] pipe2([3, 4], 0)            = 0
[pid 14815] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14815] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14815] sync()                      = 0
[pid 14815] exit_group(0)               = ?
[pid 14815] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14815, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14816 attached
, child_tidptr=0x555555bcb690) = 14816
[pid 14816] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14816] setpgid(0, 0)               = 0
[pid 14816] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14816] write(3, "1000", 4)         = 4
[pid 14816] close(3)                    = 0
[pid 14816] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14816] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14816] pipe2([3, 4], 0)            = 0
[pid 14816] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14816] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14816] sync()                      = 0
[pid 14816] exit_group(0)               = ?
[pid 14816] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14816, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14817 attached
, child_tidptr=0x555555bcb690) = 14817
[pid 14817] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14817] setpgid(0, 0)               = 0
[pid 14817] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14817] write(3, "1000", 4)         = 4
[pid 14817] close(3)                    = 0
[pid 14817] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14817] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14817] pipe2([3, 4], 0)            = 0
[pid 14817] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14817] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14817] sync()                      = 0
[pid 14817] exit_group(0)               = ?
[pid 14817] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14817, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14818 attached
, child_tidptr=0x555555bcb690) = 14818
[pid 14818] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14818] setpgid(0, 0)               = 0
[pid 14818] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14818] write(3, "1000", 4)         = 4
[pid 14818] close(3)                    = 0
[pid 14818] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14818] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14818] pipe2([3, 4], 0)            = 0
[pid 14818] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14818] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14818] sync()                      = 0
[pid 14818] exit_group(0)               = ?
[pid 14818] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14818, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14819
./strace-static-x86_64: Process 14819 attached
[pid 14819] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14819] setpgid(0, 0)               = 0
[pid 14819] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14819] write(3, "1000", 4)         = 4
[pid 14819] close(3)                    = 0
[pid 14819] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14819] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14819] pipe2([3, 4], 0)            = 0
[pid 14819] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14819] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14819] sync()                      = 0
[pid 14819] exit_group(0)               = ?
[pid 14819] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14819, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14820 attached
, child_tidptr=0x555555bcb690) = 14820
[pid 14820] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14820] setpgid(0, 0)               = 0
[pid 14820] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14820] write(3, "1000", 4)         = 4
[pid 14820] close(3)                    = 0
[pid 14820] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14820] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14820] pipe2([3, 4], 0)            = 0
[pid 14820] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14820] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14820] sync()                      = 0
[pid 14820] exit_group(0)               = ?
[pid 14820] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14820, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14821 attached
, child_tidptr=0x555555bcb690) = 14821
[pid 14821] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14821] setpgid(0, 0)               = 0
[pid 14821] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14821] write(3, "1000", 4)         = 4
[pid 14821] close(3)                    = 0
[pid 14821] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14821] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14821] pipe2([3, 4], 0)            = 0
[pid 14821] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14821] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14821] sync()                      = 0
[pid 14821] exit_group(0)               = ?
[pid 14821] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14821, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14822 attached
, child_tidptr=0x555555bcb690) = 14822
[pid 14822] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14822] setpgid(0, 0)               = 0
[pid 14822] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14822] write(3, "1000", 4)         = 4
[pid 14822] close(3)                    = 0
[pid 14822] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14822] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14822] pipe2([3, 4], 0)            = 0
[pid 14822] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14822] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14822] sync()                      = 0
[pid 14822] exit_group(0)               = ?
[pid 14822] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14822, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14823
./strace-static-x86_64: Process 14823 attached
[pid 14823] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14823] setpgid(0, 0)               = 0
[pid 14823] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14823] write(3, "1000", 4)         = 4
[pid 14823] close(3)                    = 0
[pid 14823] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14823] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14823] pipe2([3, 4], 0)            = 0
[pid 14823] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14823] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14823] sync()                      = 0
[pid 14823] exit_group(0)               = ?
[pid 14823] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14823, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14824
./strace-static-x86_64: Process 14824 attached
[pid 14824] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14824] setpgid(0, 0)               = 0
[pid 14824] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14824] write(3, "1000", 4)         = 4
[pid 14824] close(3)                    = 0
[pid 14824] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14824] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14824] pipe2([3, 4], 0)            = 0
[pid 14824] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14824] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14824] sync()                      = 0
[pid 14824] exit_group(0)               = ?
[pid 14824] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14824, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14825
./strace-static-x86_64: Process 14825 attached
[pid 14825] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14825] setpgid(0, 0)               = 0
[pid 14825] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14825] write(3, "1000", 4)         = 4
[pid 14825] close(3)                    = 0
[pid 14825] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14825] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14825] pipe2([3, 4], 0)            = 0
[pid 14825] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14825] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14825] sync()                      = 0
[pid 14825] exit_group(0)               = ?
[pid 14825] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14825, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14826
./strace-static-x86_64: Process 14826 attached
[pid 14826] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14826] setpgid(0, 0)               = 0
[pid 14826] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14826] write(3, "1000", 4)         = 4
[pid 14826] close(3)                    = 0
[pid 14826] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14826] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14826] pipe2([3, 4], 0)            = 0
[pid 14826] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14826] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14826] sync()                      = 0
[pid 14826] exit_group(0)               = ?
[pid 14826] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14826, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14827 attached
, child_tidptr=0x555555bcb690) = 14827
[pid 14827] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14827] setpgid(0, 0)               = 0
[pid 14827] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14827] write(3, "1000", 4)         = 4
[pid 14827] close(3)                    = 0
[pid 14827] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14827] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14827] pipe2([3, 4], 0)            = 0
[pid 14827] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14827] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14827] sync()                      = 0
[pid 14827] exit_group(0)               = ?
[pid 14827] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14827, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14828 attached
, child_tidptr=0x555555bcb690) = 14828
[pid 14828] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14828] setpgid(0, 0)               = 0
[pid 14828] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14828] write(3, "1000", 4)         = 4
[pid 14828] close(3)                    = 0
[pid 14828] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14828] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14828] pipe2([3, 4], 0)            = 0
[pid 14828] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14828] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14828] sync()                      = 0
[pid 14828] exit_group(0)               = ?
[pid 14828] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14828, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14829 attached
, child_tidptr=0x555555bcb690) = 14829
[pid 14829] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14829] setpgid(0, 0)               = 0
[pid 14829] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14829] write(3, "1000", 4)         = 4
[pid 14829] close(3)                    = 0
[pid 14829] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14829] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14829] pipe2([3, 4], 0)            = 0
[pid 14829] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14829] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14829] sync()                      = 0
[pid 14829] exit_group(0)               = ?
[pid 14829] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14829, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14830
./strace-static-x86_64: Process 14830 attached
[pid 14830] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14830] setpgid(0, 0)               = 0
[pid 14830] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14830] write(3, "1000", 4)         = 4
[pid 14830] close(3)                    = 0
[pid 14830] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14830] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14830] pipe2([3, 4], 0)            = 0
[pid 14830] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14830] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14830] sync()                      = 0
[pid 14830] exit_group(0)               = ?
[pid 14830] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14830, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14831
./strace-static-x86_64: Process 14831 attached
[pid 14831] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14831] setpgid(0, 0)               = 0
[pid 14831] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14831] write(3, "1000", 4)         = 4
[pid 14831] close(3)                    = 0
[pid 14831] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14831] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14831] pipe2([3, 4], 0)            = 0
[pid 14831] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14831] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14831] sync()                      = 0
[pid 14831] exit_group(0)               = ?
[pid 14831] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14831, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14832
./strace-static-x86_64: Process 14832 attached
[pid 14832] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14832] setpgid(0, 0)               = 0
[pid 14832] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14832] write(3, "1000", 4)         = 4
[pid 14832] close(3)                    = 0
[pid 14832] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14832] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14832] pipe2([3, 4], 0)            = 0
[pid 14832] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14832] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14832] sync()                      = 0
[pid 14832] exit_group(0)               = ?
[pid 14832] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14832, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14833 attached
, child_tidptr=0x555555bcb690) = 14833
[pid 14833] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14833] setpgid(0, 0)               = 0
[pid 14833] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14833] write(3, "1000", 4)         = 4
[pid 14833] close(3)                    = 0
[pid 14833] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14833] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14833] pipe2([3, 4], 0)            = 0
[pid 14833] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14833] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14833] sync()                      = 0
[pid 14833] exit_group(0)               = ?
[pid 14833] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14833, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14834
./strace-static-x86_64: Process 14834 attached
[pid 14834] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14834] setpgid(0, 0)               = 0
[pid 14834] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14834] write(3, "1000", 4)         = 4
[pid 14834] close(3)                    = 0
[pid 14834] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14834] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14834] pipe2([3, 4], 0)            = 0
[pid 14834] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14834] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14834] sync()                      = 0
[pid 14834] exit_group(0)               = ?
[pid 14834] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14834, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14835 attached
, child_tidptr=0x555555bcb690) = 14835
[pid 14835] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14835] setpgid(0, 0)               = 0
[pid 14835] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14835] write(3, "1000", 4)         = 4
[pid 14835] close(3)                    = 0
[pid 14835] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14835] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14835] pipe2([3, 4], 0)            = 0
[pid 14835] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14835] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14835] sync()                      = 0
[pid 14835] exit_group(0)               = ?
[pid 14835] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14835, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14836 attached
, child_tidptr=0x555555bcb690) = 14836
[pid 14836] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14836] setpgid(0, 0)               = 0
[pid 14836] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14836] write(3, "1000", 4)         = 4
[pid 14836] close(3)                    = 0
[pid 14836] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14836] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14836] pipe2([3, 4], 0)            = 0
[pid 14836] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14836] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14836] sync()                      = 0
[pid 14836] exit_group(0)               = ?
[pid 14836] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14836, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14837 attached
, child_tidptr=0x555555bcb690) = 14837
[pid 14837] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14837] setpgid(0, 0)               = 0
[pid 14837] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14837] write(3, "1000", 4)         = 4
[pid 14837] close(3)                    = 0
[pid 14837] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14837] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14837] pipe2([3, 4], 0)            = 0
[pid 14837] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14837] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14837] sync()                      = 0
[pid 14837] exit_group(0)               = ?
[pid 14837] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14837, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14838 attached
, child_tidptr=0x555555bcb690) = 14838
[pid 14838] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14838] setpgid(0, 0)               = 0
[pid 14838] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14838] write(3, "1000", 4)         = 4
[pid 14838] close(3)                    = 0
[pid 14838] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14838] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14838] pipe2([3, 4], 0)            = 0
[pid 14838] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14838] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14838] sync()                      = 0
[pid 14838] exit_group(0)               = ?
[pid 14838] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14838, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14839 attached
, child_tidptr=0x555555bcb690) = 14839
[pid 14839] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14839] setpgid(0, 0)               = 0
[pid 14839] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14839] write(3, "1000", 4)         = 4
[pid 14839] close(3)                    = 0
[pid 14839] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14839] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14839] pipe2([3, 4], 0)            = 0
[pid 14839] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14839] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14839] sync()                      = 0
[pid 14839] exit_group(0)               = ?
[pid 14839] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14839, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14840
./strace-static-x86_64: Process 14840 attached
[pid 14840] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14840] setpgid(0, 0)               = 0
[pid 14840] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14840] write(3, "1000", 4)         = 4
[pid 14840] close(3)                    = 0
[pid 14840] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14840] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14840] pipe2([3, 4], 0)            = 0
[pid 14840] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14840] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14840] sync()                      = 0
[pid 14840] exit_group(0)               = ?
[pid 14840] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14840, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14841 attached
, child_tidptr=0x555555bcb690) = 14841
[pid 14841] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14841] setpgid(0, 0)               = 0
[pid 14841] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14841] write(3, "1000", 4)         = 4
[pid 14841] close(3)                    = 0
[pid 14841] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14841] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14841] pipe2([3, 4], 0)            = 0
[pid 14841] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14841] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14841] sync()                      = 0
[pid 14841] exit_group(0)               = ?
[pid 14841] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14841, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14842
./strace-static-x86_64: Process 14842 attached
[pid 14842] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14842] setpgid(0, 0)               = 0
[pid 14842] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14842] write(3, "1000", 4)         = 4
[pid 14842] close(3)                    = 0
[pid 14842] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14842] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14842] pipe2([3, 4], 0)            = 0
[pid 14842] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14842] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14842] sync()                      = 0
[pid 14842] exit_group(0)               = ?
[pid 14842] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14842, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14843 attached
, child_tidptr=0x555555bcb690) = 14843
[pid 14843] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14843] setpgid(0, 0)               = 0
[pid 14843] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14843] write(3, "1000", 4)         = 4
[pid 14843] close(3)                    = 0
[pid 14843] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14843] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14843] pipe2([3, 4], 0)            = 0
[pid 14843] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14843] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14843] sync()                      = 0
[pid 14843] exit_group(0)               = ?
[pid 14843] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14843, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14844 attached
, child_tidptr=0x555555bcb690) = 14844
[pid 14844] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14844] setpgid(0, 0)               = 0
[pid 14844] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14844] write(3, "1000", 4)         = 4
[pid 14844] close(3)                    = 0
[pid 14844] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14844] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14844] pipe2([3, 4], 0)            = 0
[pid 14844] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14844] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14844] sync()                      = 0
[pid 14844] exit_group(0)               = ?
[pid 14844] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14844, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14845 attached
, child_tidptr=0x555555bcb690) = 14845
[pid 14845] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14845] setpgid(0, 0)               = 0
[pid 14845] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14845] write(3, "1000", 4)         = 4
[pid 14845] close(3)                    = 0
[pid 14845] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14845] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14845] pipe2([3, 4], 0)            = 0
[pid 14845] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14845] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14845] sync()                      = 0
[pid 14845] exit_group(0)               = ?
[pid 14845] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14845, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14846 attached
, child_tidptr=0x555555bcb690) = 14846
[pid 14846] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14846] setpgid(0, 0)               = 0
[pid 14846] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14846] write(3, "1000", 4)         = 4
[pid 14846] close(3)                    = 0
[pid 14846] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14846] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14846] pipe2([3, 4], 0)            = 0
[pid 14846] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14846] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14846] sync()                      = 0
[pid 14846] exit_group(0)               = ?
[pid 14846] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14846, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14847 attached
, child_tidptr=0x555555bcb690) = 14847
[pid 14847] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14847] setpgid(0, 0)               = 0
[pid 14847] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14847] write(3, "1000", 4)         = 4
[pid 14847] close(3)                    = 0
[pid 14847] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14847] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14847] pipe2([3, 4], 0)            = 0
[pid 14847] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14847] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14847] sync()                      = 0
[pid 14847] exit_group(0)               = ?
[pid 14847] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14847, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14848 attached
, child_tidptr=0x555555bcb690) = 14848
[pid 14848] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14848] setpgid(0, 0)               = 0
[pid 14848] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14848] write(3, "1000", 4)         = 4
[pid 14848] close(3)                    = 0
[pid 14848] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14848] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14848] pipe2([3, 4], 0)            = 0
[pid 14848] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14848] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14848] sync()                      = 0
[pid 14848] exit_group(0)               = ?
[pid 14848] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14848, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14849
./strace-static-x86_64: Process 14849 attached
[pid 14849] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14849] setpgid(0, 0)               = 0
[pid 14849] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14849] write(3, "1000", 4)         = 4
[pid 14849] close(3)                    = 0
[pid 14849] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14849] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14849] pipe2([3, 4], 0)            = 0
[pid 14849] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14849] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14849] sync()                      = 0
[pid 14849] exit_group(0)               = ?
[pid 14849] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14849, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14850 attached
, child_tidptr=0x555555bcb690) = 14850
[pid 14850] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14850] setpgid(0, 0)               = 0
[pid 14850] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14850] write(3, "1000", 4)         = 4
[pid 14850] close(3)                    = 0
[pid 14850] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14850] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14850] pipe2([3, 4], 0)            = 0
[pid 14850] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14850] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14850] sync()                      = 0
[pid 14850] exit_group(0)               = ?
[pid 14850] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14850, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14851 attached
, child_tidptr=0x555555bcb690) = 14851
[pid 14851] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14851] setpgid(0, 0)               = 0
[pid 14851] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14851] write(3, "1000", 4)         = 4
[pid 14851] close(3)                    = 0
[pid 14851] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14851] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14851] pipe2([3, 4], 0)            = 0
[pid 14851] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14851] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14851] sync()                      = 0
[pid 14851] exit_group(0)               = ?
[pid 14851] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14851, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14852 attached
, child_tidptr=0x555555bcb690) = 14852
[pid 14852] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14852] setpgid(0, 0)               = 0
[pid 14852] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14852] write(3, "1000", 4)         = 4
[pid 14852] close(3)                    = 0
[pid 14852] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14852] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14852] pipe2([3, 4], 0)            = 0
[pid 14852] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14852] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14852] sync()                      = 0
[pid 14852] exit_group(0)               = ?
[pid 14852] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14852, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14853 attached
, child_tidptr=0x555555bcb690) = 14853
[pid 14853] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14853] setpgid(0, 0)               = 0
[pid 14853] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14853] write(3, "1000", 4)         = 4
[pid 14853] close(3)                    = 0
[pid 14853] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14853] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14853] pipe2([3, 4], 0)            = 0
[pid 14853] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14853] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14853] sync()                      = 0
[pid 14853] exit_group(0)               = ?
[pid 14853] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14853, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14854 attached
, child_tidptr=0x555555bcb690) = 14854
[pid 14854] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14854] setpgid(0, 0)               = 0
[pid 14854] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14854] write(3, "1000", 4)         = 4
[pid 14854] close(3)                    = 0
[pid 14854] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14854] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14854] pipe2([3, 4], 0)            = 0
[pid 14854] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14854] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14854] sync()                      = 0
[pid 14854] exit_group(0)               = ?
[pid 14854] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14854, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14855
./strace-static-x86_64: Process 14855 attached
[pid 14855] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14855] setpgid(0, 0)               = 0
[pid 14855] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14855] write(3, "1000", 4)         = 4
[pid 14855] close(3)                    = 0
[pid 14855] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14855] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14855] pipe2([3, 4], 0)            = 0
[pid 14855] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14855] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14855] sync()                      = 0
[pid 14855] exit_group(0)               = ?
[pid 14855] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14855, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14856
./strace-static-x86_64: Process 14856 attached
[pid 14856] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14856] setpgid(0, 0)               = 0
[pid 14856] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14856] write(3, "1000", 4)         = 4
[pid 14856] close(3)                    = 0
[pid 14856] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14856] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14856] pipe2([3, 4], 0)            = 0
[pid 14856] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14856] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14856] sync()                      = 0
[pid 14856] exit_group(0)               = ?
[pid 14856] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14856, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14857
./strace-static-x86_64: Process 14857 attached
[pid 14857] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14857] setpgid(0, 0)               = 0
[pid 14857] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14857] write(3, "1000", 4)         = 4
[pid 14857] close(3)                    = 0
[pid 14857] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14857] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14857] pipe2([3, 4], 0)            = 0
[pid 14857] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14857] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14857] sync()                      = 0
[pid 14857] exit_group(0)               = ?
[pid 14857] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14857, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14858
./strace-static-x86_64: Process 14858 attached
[pid 14858] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14858] setpgid(0, 0)               = 0
[pid 14858] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14858] write(3, "1000", 4)         = 4
[pid 14858] close(3)                    = 0
[pid 14858] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14858] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14858] pipe2([3, 4], 0)            = 0
[pid 14858] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14858] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14858] sync()                      = 0
[pid 14858] exit_group(0)               = ?
[pid 14858] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14858, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14859 attached
, child_tidptr=0x555555bcb690) = 14859
[pid 14859] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14859] setpgid(0, 0)               = 0
[pid 14859] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14859] write(3, "1000", 4)         = 4
[pid 14859] close(3)                    = 0
[pid 14859] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14859] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14859] pipe2([3, 4], 0)            = 0
[pid 14859] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14859] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14859] sync()                      = 0
[pid 14859] exit_group(0)               = ?
[pid 14859] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14859, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14860 attached
, child_tidptr=0x555555bcb690) = 14860
[pid 14860] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14860] setpgid(0, 0)               = 0
[pid 14860] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14860] write(3, "1000", 4)         = 4
[pid 14860] close(3)                    = 0
[pid 14860] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14860] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14860] pipe2([3, 4], 0)            = 0
[pid 14860] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14860] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14860] sync()                      = 0
[pid 14860] exit_group(0)               = ?
[pid 14860] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14860, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14861
./strace-static-x86_64: Process 14861 attached
[pid 14861] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14861] setpgid(0, 0)               = 0
[pid 14861] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14861] write(3, "1000", 4)         = 4
[pid 14861] close(3)                    = 0
[pid 14861] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14861] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14861] pipe2([3, 4], 0)            = 0
[pid 14861] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14861] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14861] sync()                      = 0
[pid 14861] exit_group(0)               = ?
[pid 14861] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14861, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14862 attached
, child_tidptr=0x555555bcb690) = 14862
[pid 14862] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14862] setpgid(0, 0)               = 0
[pid 14862] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14862] write(3, "1000", 4)         = 4
[pid 14862] close(3)                    = 0
[pid 14862] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14862] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14862] pipe2([3, 4], 0)            = 0
[pid 14862] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14862] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14862] sync()                      = 0
[pid 14862] exit_group(0)               = ?
[pid 14862] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14862, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14863 attached
, child_tidptr=0x555555bcb690) = 14863
[pid 14863] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14863] setpgid(0, 0)               = 0
[pid 14863] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14863] write(3, "1000", 4)         = 4
[pid 14863] close(3)                    = 0
[pid 14863] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14863] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14863] pipe2([3, 4], 0)            = 0
[pid 14863] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14863] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14863] sync()                      = 0
[pid 14863] exit_group(0)               = ?
[pid 14863] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14863, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14864 attached
, child_tidptr=0x555555bcb690) = 14864
[pid 14864] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14864] setpgid(0, 0)               = 0
[pid 14864] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14864] write(3, "1000", 4)         = 4
[pid 14864] close(3)                    = 0
[pid 14864] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14864] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14864] pipe2([3, 4], 0)            = 0
[pid 14864] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14864] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14864] sync()                      = 0
[pid 14864] exit_group(0)               = ?
[pid 14864] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14864, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14865 attached
, child_tidptr=0x555555bcb690) = 14865
[pid 14865] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14865] setpgid(0, 0)               = 0
[pid 14865] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14865] write(3, "1000", 4)         = 4
[pid 14865] close(3)                    = 0
[pid 14865] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14865] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14865] pipe2([3, 4], 0)            = 0
[pid 14865] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14865] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14865] sync()                      = 0
[pid 14865] exit_group(0)               = ?
[pid 14865] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14865, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14866 attached
, child_tidptr=0x555555bcb690) = 14866
[pid 14866] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14866] setpgid(0, 0)               = 0
[pid 14866] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14866] write(3, "1000", 4)         = 4
[pid 14866] close(3)                    = 0
[pid 14866] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14866] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14866] pipe2([3, 4], 0)            = 0
[pid 14866] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14866] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14866] sync()                      = 0
[pid 14866] exit_group(0)               = ?
[pid 14866] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14866, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14867
./strace-static-x86_64: Process 14867 attached
[pid 14867] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14867] setpgid(0, 0)               = 0
[pid 14867] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14867] write(3, "1000", 4)         = 4
[pid 14867] close(3)                    = 0
[pid 14867] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14867] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14867] pipe2([3, 4], 0)            = 0
[pid 14867] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14867] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14867] sync()                      = 0
[pid 14867] exit_group(0)               = ?
[pid 14867] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14867, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14868
./strace-static-x86_64: Process 14868 attached
[pid 14868] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14868] setpgid(0, 0)               = 0
[pid 14868] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14868] write(3, "1000", 4)         = 4
[pid 14868] close(3)                    = 0
[pid 14868] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14868] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14868] pipe2([3, 4], 0)            = 0
[pid 14868] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14868] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14868] sync()                      = 0
[pid 14868] exit_group(0)               = ?
[pid 14868] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14868, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14869
./strace-static-x86_64: Process 14869 attached
[pid 14869] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14869] setpgid(0, 0)               = 0
[pid 14869] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14869] write(3, "1000", 4)         = 4
[pid 14869] close(3)                    = 0
[pid 14869] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14869] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14869] pipe2([3, 4], 0)            = 0
[pid 14869] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14869] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14869] sync()                      = 0
[pid 14869] exit_group(0)               = ?
[pid 14869] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14869, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14870 attached
, child_tidptr=0x555555bcb690) = 14870
[pid 14870] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14870] setpgid(0, 0)               = 0
[pid 14870] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14870] write(3, "1000", 4)         = 4
[pid 14870] close(3)                    = 0
[pid 14870] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14870] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14870] pipe2([3, 4], 0)            = 0
[pid 14870] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14870] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14870] sync()                      = 0
[pid 14870] exit_group(0)               = ?
[pid 14870] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14870, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14871 attached
, child_tidptr=0x555555bcb690) = 14871
[pid 14871] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14871] setpgid(0, 0)               = 0
[pid 14871] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14871] write(3, "1000", 4)         = 4
[pid 14871] close(3)                    = 0
[pid 14871] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14871] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14871] pipe2([3, 4], 0)            = 0
[pid 14871] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14871] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14871] sync()                      = 0
[pid 14871] exit_group(0)               = ?
[pid 14871] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14871, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14872
./strace-static-x86_64: Process 14872 attached
[pid 14872] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14872] setpgid(0, 0)               = 0
[pid 14872] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14872] write(3, "1000", 4)         = 4
[pid 14872] close(3)                    = 0
[pid 14872] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14872] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14872] pipe2([3, 4], 0)            = 0
[pid 14872] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14872] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14872] sync()                      = 0
[pid 14872] exit_group(0)               = ?
[pid 14872] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14872, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14873
./strace-static-x86_64: Process 14873 attached
[pid 14873] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14873] setpgid(0, 0)               = 0
[pid 14873] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14873] write(3, "1000", 4)         = 4
[pid 14873] close(3)                    = 0
[pid 14873] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14873] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14873] pipe2([3, 4], 0)            = 0
[pid 14873] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14873] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14873] sync()                      = 0
[pid 14873] exit_group(0)               = ?
[pid 14873] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14873, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14874
./strace-static-x86_64: Process 14874 attached
[pid 14874] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14874] setpgid(0, 0)               = 0
[pid 14874] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14874] write(3, "1000", 4)         = 4
[pid 14874] close(3)                    = 0
[pid 14874] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14874] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14874] pipe2([3, 4], 0)            = 0
[pid 14874] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14874] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14874] sync()                      = 0
[pid 14874] exit_group(0)               = ?
[pid 14874] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14874, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14875 attached
 <unfinished ...>
[pid 14875] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14875] setpgid(0, 0)               = 0
[pid 14875] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3603] <... clone resumed>, child_tidptr=0x555555bcb690) = 14875
[pid 14875] <... openat resumed>)       = 3
[pid 14875] write(3, "1000", 4)         = 4
[pid 14875] close(3)                    = 0
[pid 14875] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14875] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14875] pipe2([3, 4], 0)            = 0
[pid 14875] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14875] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14875] sync()                      = 0
[pid 14875] exit_group(0)               = ?
[pid 14875] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14875, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14876 attached
, child_tidptr=0x555555bcb690) = 14876
[pid 14876] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14876] setpgid(0, 0)               = 0
[pid 14876] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14876] write(3, "1000", 4)         = 4
[pid 14876] close(3)                    = 0
[pid 14876] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14876] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14876] pipe2([3, 4], 0)            = 0
[pid 14876] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14876] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14876] sync()                      = 0
[pid 14876] exit_group(0)               = ?
[pid 14876] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14876, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14877
./strace-static-x86_64: Process 14877 attached
[pid 14877] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14877] setpgid(0, 0)               = 0
[pid 14877] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14877] write(3, "1000", 4)         = 4
[pid 14877] close(3)                    = 0
[pid 14877] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14877] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14877] pipe2([3, 4], 0)            = 0
[pid 14877] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14877] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14877] sync()                      = 0
[pid 14877] exit_group(0)               = ?
[pid 14877] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14877, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14878
./strace-static-x86_64: Process 14878 attached
[pid 14878] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14878] setpgid(0, 0)               = 0
[pid 14878] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14878] write(3, "1000", 4)         = 4
[pid 14878] close(3)                    = 0
[pid 14878] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14878] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14878] pipe2([3, 4], 0)            = 0
[pid 14878] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14878] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14878] sync()                      = 0
[pid 14878] exit_group(0)               = ?
[pid 14878] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14878, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14879
./strace-static-x86_64: Process 14879 attached
[pid 14879] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14879] setpgid(0, 0)               = 0
[pid 14879] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14879] write(3, "1000", 4)         = 4
[pid 14879] close(3)                    = 0
[pid 14879] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14879] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14879] pipe2([3, 4], 0)            = 0
[pid 14879] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14879] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14879] sync()                      = 0
[pid 14879] exit_group(0)               = ?
[pid 14879] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14879, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14880
./strace-static-x86_64: Process 14880 attached
[pid 14880] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14880] setpgid(0, 0)               = 0
[pid 14880] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14880] write(3, "1000", 4)         = 4
[pid 14880] close(3)                    = 0
[pid 14880] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14880] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14880] pipe2([3, 4], 0)            = 0
[pid 14880] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14880] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14880] sync()                      = 0
[pid 14880] exit_group(0)               = ?
[pid 14880] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14880, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14881 attached
, child_tidptr=0x555555bcb690) = 14881
[pid 14881] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14881] setpgid(0, 0)               = 0
[pid 14881] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14881] write(3, "1000", 4)         = 4
[pid 14881] close(3)                    = 0
[pid 14881] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14881] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14881] pipe2([3, 4], 0)            = 0
[pid 14881] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14881] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14881] sync()                      = 0
[pid 14881] exit_group(0)               = ?
[pid 14881] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14881, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14882 attached
, child_tidptr=0x555555bcb690) = 14882
[pid 14882] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14882] setpgid(0, 0)               = 0
[pid 14882] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14882] write(3, "1000", 4)         = 4
[pid 14882] close(3)                    = 0
[pid 14882] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14882] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14882] pipe2([3, 4], 0)            = 0
[pid 14882] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14882] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14882] sync()                      = 0
[pid 14882] exit_group(0)               = ?
[pid 14882] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14882, si_uid=0, si_status=0, si_utime=1, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14883 attached
, child_tidptr=0x555555bcb690) = 14883
[pid 14883] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14883] setpgid(0, 0)               = 0
[pid 14883] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14883] write(3, "1000", 4)         = 4
[pid 14883] close(3)                    = 0
[pid 14883] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14883] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14883] pipe2([3, 4], 0)            = 0
[pid 14883] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14883] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14883] sync()                      = 0
[pid 14883] exit_group(0)               = ?
[pid 14883] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14883, si_uid=0, si_status=0, si_utime=1, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14884
./strace-static-x86_64: Process 14884 attached
[pid 14884] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14884] setpgid(0, 0)               = 0
[pid 14884] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14884] write(3, "1000", 4)         = 4
[pid 14884] close(3)                    = 0
[pid 14884] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14884] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14884] pipe2([3, 4], 0)            = 0
[pid 14884] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14884] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14884] sync()                      = 0
[pid 14884] exit_group(0)               = ?
[pid 14884] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14884, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14885 attached
, child_tidptr=0x555555bcb690) = 14885
[pid 14885] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14885] setpgid(0, 0)               = 0
[pid 14885] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14885] write(3, "1000", 4)         = 4
[pid 14885] close(3)                    = 0
[pid 14885] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14885] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14885] pipe2([3, 4], 0)            = 0
[pid 14885] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14885] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14885] sync()                      = 0
[pid 14885] exit_group(0)               = ?
[pid 14885] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14885, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14886
./strace-static-x86_64: Process 14886 attached
[pid 14886] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14886] setpgid(0, 0)               = 0
[pid 14886] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14886] write(3, "1000", 4)         = 4
[pid 14886] close(3)                    = 0
[pid 14886] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14886] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14886] pipe2([3, 4], 0)            = 0
[pid 14886] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14886] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14886] sync()                      = 0
[pid 14886] exit_group(0)               = ?
[pid 14886] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14886, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14887
./strace-static-x86_64: Process 14887 attached
[pid 14887] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14887] setpgid(0, 0)               = 0
[pid 14887] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14887] write(3, "1000", 4)         = 4
[pid 14887] close(3)                    = 0
[pid 14887] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14887] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14887] pipe2([3, 4], 0)            = 0
[pid 14887] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14887] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14887] sync()                      = 0
[pid 14887] exit_group(0)               = ?
[pid 14887] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14887, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14888
./strace-static-x86_64: Process 14888 attached
[pid 14888] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14888] setpgid(0, 0)               = 0
[pid 14888] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14888] write(3, "1000", 4)         = 4
[pid 14888] close(3)                    = 0
[pid 14888] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14888] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14888] pipe2([3, 4], 0)            = 0
[pid 14888] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14888] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14888] sync()                      = 0
[pid 14888] exit_group(0)               = ?
[pid 14888] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14888, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14889 attached
, child_tidptr=0x555555bcb690) = 14889
[pid 14889] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14889] setpgid(0, 0)               = 0
[pid 14889] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14889] write(3, "1000", 4)         = 4
[pid 14889] close(3)                    = 0
[pid 14889] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14889] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14889] pipe2([3, 4], 0)            = 0
[pid 14889] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14889] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14889] sync()                      = 0
[pid 14889] exit_group(0)               = ?
[pid 14889] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14889, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14890 attached
, child_tidptr=0x555555bcb690) = 14890
[pid 14890] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14890] setpgid(0, 0)               = 0
[pid 14890] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14890] write(3, "1000", 4)         = 4
[pid 14890] close(3)                    = 0
[pid 14890] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14890] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14890] pipe2([3, 4], 0)            = 0
[pid 14890] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14890] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14890] sync()                      = 0
[pid 14890] exit_group(0)               = ?
[pid 14890] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14890, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14891 attached
, child_tidptr=0x555555bcb690) = 14891
[pid 14891] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14891] setpgid(0, 0)               = 0
[pid 14891] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14891] write(3, "1000", 4)         = 4
[pid 14891] close(3)                    = 0
[pid 14891] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14891] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14891] pipe2([3, 4], 0)            = 0
[pid 14891] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14891] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14891] sync()                      = 0
[pid 14891] exit_group(0)               = ?
[pid 14891] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14891, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14892
./strace-static-x86_64: Process 14892 attached
[pid 14892] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14892] setpgid(0, 0)               = 0
[pid 14892] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14892] write(3, "1000", 4)         = 4
[pid 14892] close(3)                    = 0
[pid 14892] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14892] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14892] pipe2([3, 4], 0)            = 0
[pid 14892] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14892] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14892] sync()                      = 0
[pid 14892] exit_group(0)               = ?
[pid 14892] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14892, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14893 attached
, child_tidptr=0x555555bcb690) = 14893
[pid 14893] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14893] setpgid(0, 0)               = 0
[pid 14893] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14893] write(3, "1000", 4)         = 4
[pid 14893] close(3)                    = 0
[pid 14893] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14893] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14893] pipe2([3, 4], 0)            = 0
[pid 14893] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14893] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14893] sync()                      = 0
[pid 14893] exit_group(0)               = ?
[pid 14893] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14893, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14894 attached
, child_tidptr=0x555555bcb690) = 14894
[pid 14894] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14894] setpgid(0, 0)               = 0
[pid 14894] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14894] write(3, "1000", 4)         = 4
[pid 14894] close(3)                    = 0
[pid 14894] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14894] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14894] pipe2([3, 4], 0)            = 0
[pid 14894] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14894] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14894] sync()                      = 0
[pid 14894] exit_group(0)               = ?
[pid 14894] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14894, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14895 attached
, child_tidptr=0x555555bcb690) = 14895
[pid 14895] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14895] setpgid(0, 0)               = 0
[pid 14895] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14895] write(3, "1000", 4)         = 4
[pid 14895] close(3)                    = 0
[pid 14895] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14895] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14895] pipe2([3, 4], 0)            = 0
[pid 14895] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14895] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14895] sync()                      = 0
[pid 14895] exit_group(0)               = ?
[pid 14895] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14895, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14896 attached
, child_tidptr=0x555555bcb690) = 14896
[pid 14896] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14896] setpgid(0, 0)               = 0
[pid 14896] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14896] write(3, "1000", 4)         = 4
[pid 14896] close(3)                    = 0
[pid 14896] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14896] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14896] pipe2([3, 4], 0)            = 0
[pid 14896] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14896] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14896] sync()                      = 0
[pid 14896] exit_group(0)               = ?
[pid 14896] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14896, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14897 attached
, child_tidptr=0x555555bcb690) = 14897
[pid 14897] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14897] setpgid(0, 0)               = 0
[pid 14897] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14897] write(3, "1000", 4)         = 4
[pid 14897] close(3)                    = 0
[pid 14897] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14897] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14897] pipe2([3, 4], 0)            = 0
[pid 14897] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14897] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14897] sync()                      = 0
[pid 14897] exit_group(0)               = ?
[pid 14897] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14897, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14898 attached
, child_tidptr=0x555555bcb690) = 14898
[pid 14898] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14898] setpgid(0, 0)               = 0
[pid 14898] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14898] write(3, "1000", 4)         = 4
[pid 14898] close(3)                    = 0
[pid 14898] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14898] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14898] pipe2([3, 4], 0)            = 0
[pid 14898] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14898] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14898] sync()                      = 0
[pid 14898] exit_group(0)               = ?
[pid 14898] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14898, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14899 attached
, child_tidptr=0x555555bcb690) = 14899
[pid 14899] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14899] setpgid(0, 0)               = 0
[pid 14899] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14899] write(3, "1000", 4)         = 4
[pid 14899] close(3)                    = 0
[pid 14899] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14899] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14899] pipe2([3, 4], 0)            = 0
[pid 14899] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14899] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14899] sync()                      = 0
[pid 14899] exit_group(0)               = ?
[pid 14899] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14899, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14900 attached
, child_tidptr=0x555555bcb690) = 14900
[pid 14900] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14900] setpgid(0, 0)               = 0
[pid 14900] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14900] write(3, "1000", 4)         = 4
[pid 14900] close(3)                    = 0
[pid 14900] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14900] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14900] pipe2([3, 4], 0)            = 0
[pid 14900] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14900] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14900] sync()                      = 0
[pid 14900] exit_group(0)               = ?
[pid 14900] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14900, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14901
./strace-static-x86_64: Process 14901 attached
[pid 14901] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14901] setpgid(0, 0)               = 0
[pid 14901] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14901] write(3, "1000", 4)         = 4
[pid 14901] close(3)                    = 0
[pid 14901] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14901] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14901] pipe2([3, 4], 0)            = 0
[pid 14901] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14901] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14901] sync()                      = 0
[pid 14901] exit_group(0)               = ?
[pid 14901] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14901, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14902 attached
, child_tidptr=0x555555bcb690) = 14902
[pid 14902] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14902] setpgid(0, 0)               = 0
[pid 14902] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14902] write(3, "1000", 4)         = 4
[pid 14902] close(3)                    = 0
[pid 14902] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14902] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14902] pipe2([3, 4], 0)            = 0
[pid 14902] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14902] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14902] sync()                      = 0
[pid 14902] exit_group(0)               = ?
[pid 14902] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14902, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14903
./strace-static-x86_64: Process 14903 attached
[pid 14903] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14903] setpgid(0, 0)               = 0
[pid 14903] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14903] write(3, "1000", 4)         = 4
[pid 14903] close(3)                    = 0
[pid 14903] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14903] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14903] pipe2([3, 4], 0)            = 0
[pid 14903] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14903] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14903] sync()                      = 0
[pid 14903] exit_group(0)               = ?
[pid 14903] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14903, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14904 attached
, child_tidptr=0x555555bcb690) = 14904
[pid 14904] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14904] setpgid(0, 0)               = 0
[pid 14904] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14904] write(3, "1000", 4)         = 4
[pid 14904] close(3)                    = 0
[pid 14904] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14904] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14904] pipe2([3, 4], 0)            = 0
[pid 14904] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14904] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14904] sync()                      = 0
[pid 14904] exit_group(0)               = ?
[pid 14904] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14904, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14905 attached
, child_tidptr=0x555555bcb690) = 14905
[pid 14905] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14905] setpgid(0, 0)               = 0
[pid 14905] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14905] write(3, "1000", 4)         = 4
[pid 14905] close(3)                    = 0
[pid 14905] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14905] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14905] pipe2([3, 4], 0)            = 0
[pid 14905] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14905] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14905] sync()                      = 0
[pid 14905] exit_group(0)               = ?
[pid 14905] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14905, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14906
./strace-static-x86_64: Process 14906 attached
[pid 14906] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14906] setpgid(0, 0)               = 0
[pid 14906] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14906] write(3, "1000", 4)         = 4
[pid 14906] close(3)                    = 0
[pid 14906] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14906] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14906] pipe2([3, 4], 0)            = 0
[pid 14906] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14906] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14906] sync()                      = 0
[pid 14906] exit_group(0)               = ?
[pid 14906] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14906, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14907 attached
, child_tidptr=0x555555bcb690) = 14907
[pid 14907] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14907] setpgid(0, 0)               = 0
[pid 14907] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14907] write(3, "1000", 4)         = 4
[pid 14907] close(3)                    = 0
[pid 14907] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14907] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14907] pipe2([3, 4], 0)            = 0
[pid 14907] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14907] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14907] sync()                      = 0
[pid 14907] exit_group(0)               = ?
[pid 14907] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14907, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14908 attached
, child_tidptr=0x555555bcb690) = 14908
[pid 14908] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14908] setpgid(0, 0)               = 0
[pid 14908] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14908] write(3, "1000", 4)         = 4
[pid 14908] close(3)                    = 0
[pid 14908] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14908] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14908] pipe2([3, 4], 0)            = 0
[pid 14908] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14908] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14908] sync()                      = 0
[pid 14908] exit_group(0)               = ?
[pid 14908] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14908, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14909
./strace-static-x86_64: Process 14909 attached
[pid 14909] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14909] setpgid(0, 0)               = 0
[pid 14909] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14909] write(3, "1000", 4)         = 4
[pid 14909] close(3)                    = 0
[pid 14909] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14909] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14909] pipe2([3, 4], 0)            = 0
[pid 14909] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14909] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14909] sync()                      = 0
[pid 14909] exit_group(0)               = ?
[pid 14909] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14909, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14910 attached
, child_tidptr=0x555555bcb690) = 14910
[pid 14910] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14910] setpgid(0, 0)               = 0
[pid 14910] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14910] write(3, "1000", 4)         = 4
[pid 14910] close(3)                    = 0
[pid 14910] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14910] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14910] pipe2([3, 4], 0)            = 0
[pid 14910] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14910] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14910] sync()                      = 0
[pid 14910] exit_group(0)               = ?
[pid 14910] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14910, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14911 attached
, child_tidptr=0x555555bcb690) = 14911
[pid 14911] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14911] setpgid(0, 0)               = 0
[pid 14911] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14911] write(3, "1000", 4)         = 4
[pid 14911] close(3)                    = 0
[pid 14911] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14911] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14911] pipe2([3, 4], 0)            = 0
[pid 14911] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14911] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14911] sync()                      = 0
[pid 14911] exit_group(0)               = ?
[pid 14911] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14911, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14912 attached
, child_tidptr=0x555555bcb690) = 14912
[pid 14912] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14912] setpgid(0, 0)               = 0
[pid 14912] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14912] write(3, "1000", 4)         = 4
[pid 14912] close(3)                    = 0
[pid 14912] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14912] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14912] pipe2([3, 4], 0)            = 0
[pid 14912] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14912] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14912] sync()                      = 0
[pid 14912] exit_group(0)               = ?
[pid 14912] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14912, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14913 attached
, child_tidptr=0x555555bcb690) = 14913
[pid 14913] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14913] setpgid(0, 0)               = 0
[pid 14913] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14913] write(3, "1000", 4)         = 4
[pid 14913] close(3)                    = 0
[pid 14913] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14913] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14913] pipe2([3, 4], 0)            = 0
[pid 14913] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14913] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14913] sync()                      = 0
[pid 14913] exit_group(0)               = ?
[pid 14913] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14913, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14914 attached
, child_tidptr=0x555555bcb690) = 14914
[pid 14914] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14914] setpgid(0, 0)               = 0
[pid 14914] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14914] write(3, "1000", 4)         = 4
[pid 14914] close(3)                    = 0
[pid 14914] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14914] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14914] pipe2([3, 4], 0)            = 0
[pid 14914] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14914] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14914] sync()                      = 0
[pid 14914] exit_group(0)               = ?
[pid 14914] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14914, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14915
./strace-static-x86_64: Process 14915 attached
[pid 14915] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14915] setpgid(0, 0)               = 0
[pid 14915] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14915] write(3, "1000", 4)         = 4
[pid 14915] close(3)                    = 0
[pid 14915] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14915] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14915] pipe2([3, 4], 0)            = 0
[pid 14915] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14915] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14915] sync()                      = 0
[pid 14915] exit_group(0)               = ?
[pid 14915] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14915, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14916 attached
, child_tidptr=0x555555bcb690) = 14916
[pid 14916] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14916] setpgid(0, 0)               = 0
[pid 14916] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14916] write(3, "1000", 4)         = 4
[pid 14916] close(3)                    = 0
[pid 14916] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14916] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14916] pipe2([3, 4], 0)            = 0
[pid 14916] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14916] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14916] sync()                      = 0
[pid 14916] exit_group(0)               = ?
[pid 14916] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14916, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14917
./strace-static-x86_64: Process 14917 attached
[pid 14917] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14917] setpgid(0, 0)               = 0
[pid 14917] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14917] write(3, "1000", 4)         = 4
[pid 14917] close(3)                    = 0
[pid 14917] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14917] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14917] pipe2([3, 4], 0)            = 0
[pid 14917] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14917] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14917] sync()                      = 0
[pid 14917] exit_group(0)               = ?
[pid 14917] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14917, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14918 attached
, child_tidptr=0x555555bcb690) = 14918
[pid 14918] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14918] setpgid(0, 0)               = 0
[pid 14918] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14918] write(3, "1000", 4)         = 4
[pid 14918] close(3)                    = 0
[pid 14918] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14918] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14918] pipe2([3, 4], 0)            = 0
[pid 14918] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14918] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14918] sync()                      = 0
[pid 14918] exit_group(0)               = ?
[pid 14918] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14918, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14919 attached
, child_tidptr=0x555555bcb690) = 14919
[pid 14919] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14919] setpgid(0, 0)               = 0
[pid 14919] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14919] write(3, "1000", 4)         = 4
[pid 14919] close(3)                    = 0
[pid 14919] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14919] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14919] pipe2([3, 4], 0)            = 0
[pid 14919] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14919] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14919] sync()                      = 0
[pid 14919] exit_group(0)               = ?
[pid 14919] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14919, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14920
./strace-static-x86_64: Process 14920 attached
[pid 14920] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14920] setpgid(0, 0)               = 0
[pid 14920] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14920] write(3, "1000", 4)         = 4
[pid 14920] close(3)                    = 0
[pid 14920] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14920] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14920] pipe2([3, 4], 0)            = 0
[pid 14920] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14920] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14920] sync()                      = 0
[pid 14920] exit_group(0)               = ?
[pid 14920] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14920, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14921
./strace-static-x86_64: Process 14921 attached
[pid 14921] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14921] setpgid(0, 0)               = 0
[pid 14921] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14921] write(3, "1000", 4)         = 4
[pid 14921] close(3)                    = 0
[pid 14921] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14921] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14921] pipe2([3, 4], 0)            = 0
[pid 14921] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14921] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14921] sync()                      = 0
[pid 14921] exit_group(0)               = ?
[pid 14921] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14921, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14922
./strace-static-x86_64: Process 14922 attached
[pid 14922] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14922] setpgid(0, 0)               = 0
[pid 14922] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14922] write(3, "1000", 4)         = 4
[pid 14922] close(3)                    = 0
[pid 14922] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14922] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14922] pipe2([3, 4], 0)            = 0
[pid 14922] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14922] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14922] sync()                      = 0
[pid 14922] exit_group(0)               = ?
[pid 14922] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14922, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14923 attached
, child_tidptr=0x555555bcb690) = 14923
[pid 14923] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14923] setpgid(0, 0)               = 0
[pid 14923] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14923] write(3, "1000", 4)         = 4
[pid 14923] close(3)                    = 0
[pid 14923] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14923] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14923] pipe2([3, 4], 0)            = 0
[pid 14923] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14923] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14923] sync()                      = 0
[pid 14923] exit_group(0)               = ?
[pid 14923] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14923, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14924 attached
, child_tidptr=0x555555bcb690) = 14924
[pid 14924] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14924] setpgid(0, 0)               = 0
[pid 14924] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14924] write(3, "1000", 4)         = 4
[pid 14924] close(3)                    = 0
[pid 14924] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14924] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14924] pipe2([3, 4], 0)            = 0
[pid 14924] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14924] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14924] sync()                      = 0
[pid 14924] exit_group(0)               = ?
[pid 14924] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14924, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14925 attached
, child_tidptr=0x555555bcb690) = 14925
[pid 14925] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14925] setpgid(0, 0)               = 0
[pid 14925] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14925] write(3, "1000", 4)         = 4
[pid 14925] close(3)                    = 0
[pid 14925] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14925] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14925] pipe2([3, 4], 0)            = 0
[pid 14925] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14925] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14925] sync()                      = 0
[pid 14925] exit_group(0)               = ?
[pid 14925] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14925, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14926 attached
, child_tidptr=0x555555bcb690) = 14926
[pid 14926] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14926] setpgid(0, 0)               = 0
[pid 14926] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14926] write(3, "1000", 4)         = 4
[pid 14926] close(3)                    = 0
[pid 14926] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14926] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14926] pipe2([3, 4], 0)            = 0
[pid 14926] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14926] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14926] sync()                      = 0
[pid 14926] exit_group(0)               = ?
[pid 14926] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14926, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14927 attached
, child_tidptr=0x555555bcb690) = 14927
[pid 14927] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14927] setpgid(0, 0)               = 0
[pid 14927] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14927] write(3, "1000", 4)         = 4
[pid 14927] close(3)                    = 0
[pid 14927] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14927] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14927] pipe2([3, 4], 0)            = 0
[pid 14927] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14927] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14927] sync()                      = 0
[pid 14927] exit_group(0)               = ?
[pid 14927] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14927, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14928
./strace-static-x86_64: Process 14928 attached
[pid 14928] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14928] setpgid(0, 0)               = 0
[pid 14928] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14928] write(3, "1000", 4)         = 4
[pid 14928] close(3)                    = 0
[pid 14928] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14928] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14928] pipe2([3, 4], 0)            = 0
[pid 14928] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14928] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14928] sync()                      = 0
[pid 14928] exit_group(0)               = ?
[pid 14928] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14928, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14929
./strace-static-x86_64: Process 14929 attached
[pid 14929] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14929] setpgid(0, 0)               = 0
[pid 14929] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14929] write(3, "1000", 4)         = 4
[pid 14929] close(3)                    = 0
[pid 14929] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14929] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14929] pipe2([3, 4], 0)            = 0
[pid 14929] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14929] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14929] sync()                      = 0
[pid 14929] exit_group(0)               = ?
[pid 14929] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14929, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14930
./strace-static-x86_64: Process 14930 attached
[pid 14930] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14930] setpgid(0, 0)               = 0
[pid 14930] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14930] write(3, "1000", 4)         = 4
[pid 14930] close(3)                    = 0
[pid 14930] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14930] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14930] pipe2([3, 4], 0)            = 0
[pid 14930] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14930] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14930] sync()                      = 0
[pid 14930] exit_group(0)               = ?
[pid 14930] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14930, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14931 attached
, child_tidptr=0x555555bcb690) = 14931
[pid 14931] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14931] setpgid(0, 0)               = 0
[pid 14931] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14931] write(3, "1000", 4)         = 4
[pid 14931] close(3)                    = 0
[pid 14931] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14931] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14931] pipe2([3, 4], 0)            = 0
[pid 14931] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14931] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14931] sync()                      = 0
[pid 14931] exit_group(0)               = ?
[pid 14931] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14931, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14932
./strace-static-x86_64: Process 14932 attached
[pid 14932] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14932] setpgid(0, 0)               = 0
[pid 14932] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14932] write(3, "1000", 4)         = 4
[pid 14932] close(3)                    = 0
[pid 14932] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14932] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14932] pipe2([3, 4], 0)            = 0
[pid 14932] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14932] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14932] sync()                      = 0
[pid 14932] exit_group(0)               = ?
[pid 14932] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14932, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14933 attached
, child_tidptr=0x555555bcb690) = 14933
[pid 14933] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14933] setpgid(0, 0)               = 0
[pid 14933] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14933] write(3, "1000", 4)         = 4
[pid 14933] close(3)                    = 0
[pid 14933] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14933] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14933] pipe2([3, 4], 0)            = 0
[pid 14933] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14933] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14933] sync()                      = 0
[pid 14933] exit_group(0)               = ?
[pid 14933] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14933, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14934
./strace-static-x86_64: Process 14934 attached
[pid 14934] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14934] setpgid(0, 0)               = 0
[pid 14934] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14934] write(3, "1000", 4)         = 4
[pid 14934] close(3)                    = 0
[pid 14934] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14934] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14934] pipe2([3, 4], 0)            = 0
[pid 14934] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14934] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14934] sync()                      = 0
[pid 14934] exit_group(0)               = ?
[pid 14934] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14934, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14935 attached
, child_tidptr=0x555555bcb690) = 14935
[pid 14935] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14935] setpgid(0, 0)               = 0
[pid 14935] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14935] write(3, "1000", 4)         = 4
[pid 14935] close(3)                    = 0
[pid 14935] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14935] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14935] pipe2([3, 4], 0)            = 0
[pid 14935] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14935] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14935] sync()                      = 0
[pid 14935] exit_group(0)               = ?
[pid 14935] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14935, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14936
./strace-static-x86_64: Process 14936 attached
[pid 14936] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14936] setpgid(0, 0)               = 0
[pid 14936] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14936] write(3, "1000", 4)         = 4
[pid 14936] close(3)                    = 0
[pid 14936] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14936] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14936] pipe2([3, 4], 0)            = 0
[pid 14936] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14936] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14936] sync()                      = 0
[pid 14936] exit_group(0)               = ?
[pid 14936] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14936, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14937 attached
, child_tidptr=0x555555bcb690) = 14937
[pid 14937] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14937] setpgid(0, 0)               = 0
[pid 14937] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14937] write(3, "1000", 4)         = 4
[pid 14937] close(3)                    = 0
[pid 14937] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14937] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14937] pipe2([3, 4], 0)            = 0
[pid 14937] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14937] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14937] sync()                      = 0
[pid 14937] exit_group(0)               = ?
[pid 14937] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14937, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14938 attached
, child_tidptr=0x555555bcb690) = 14938
[pid 14938] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14938] setpgid(0, 0)               = 0
[pid 14938] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14938] write(3, "1000", 4)         = 4
[pid 14938] close(3)                    = 0
[pid 14938] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14938] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14938] pipe2([3, 4], 0)            = 0
[pid 14938] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14938] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14938] sync()                      = 0
[pid 14938] exit_group(0)               = ?
[pid 14938] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14938, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14939 attached
, child_tidptr=0x555555bcb690) = 14939
[pid 14939] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14939] setpgid(0, 0)               = 0
[pid 14939] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14939] write(3, "1000", 4)         = 4
[pid 14939] close(3)                    = 0
[pid 14939] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14939] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14939] pipe2([3, 4], 0)            = 0
[pid 14939] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14939] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14939] sync()                      = 0
[pid 14939] exit_group(0)               = ?
[pid 14939] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14939, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14940 attached
, child_tidptr=0x555555bcb690) = 14940
[pid 14940] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14940] setpgid(0, 0)               = 0
[pid 14940] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14940] write(3, "1000", 4)         = 4
[pid 14940] close(3)                    = 0
[pid 14940] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14940] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14940] pipe2([3, 4], 0)            = 0
[pid 14940] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14940] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14940] sync()                      = 0
[pid 14940] exit_group(0)               = ?
[pid 14940] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14940, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14941 attached
, child_tidptr=0x555555bcb690) = 14941
[pid 14941] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14941] setpgid(0, 0)               = 0
[pid 14941] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14941] write(3, "1000", 4)         = 4
[pid 14941] close(3)                    = 0
[pid 14941] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14941] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14941] pipe2([3, 4], 0)            = 0
[pid 14941] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14941] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14941] sync()                      = 0
[pid 14941] exit_group(0)               = ?
[pid 14941] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14941, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14942 attached
, child_tidptr=0x555555bcb690) = 14942
[pid 14942] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14942] setpgid(0, 0)               = 0
[pid 14942] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14942] write(3, "1000", 4)         = 4
[pid 14942] close(3)                    = 0
[pid 14942] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14942] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14942] pipe2([3, 4], 0)            = 0
[pid 14942] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14942] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14942] sync()                      = 0
[pid 14942] exit_group(0)               = ?
[pid 14942] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14942, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14943 attached
, child_tidptr=0x555555bcb690) = 14943
[pid 14943] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14943] setpgid(0, 0)               = 0
[pid 14943] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14943] write(3, "1000", 4)         = 4
[pid 14943] close(3)                    = 0
[pid 14943] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14943] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14943] pipe2([3, 4], 0)            = 0
[pid 14943] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14943] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14943] sync()                      = 0
[pid 14943] exit_group(0)               = ?
[pid 14943] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14943, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14944 attached
, child_tidptr=0x555555bcb690) = 14944
[pid 14944] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14944] setpgid(0, 0)               = 0
[pid 14944] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14944] write(3, "1000", 4)         = 4
[pid 14944] close(3)                    = 0
[pid 14944] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14944] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14944] pipe2([3, 4], 0)            = 0
[pid 14944] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14944] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14944] sync()                      = 0
[pid 14944] exit_group(0)               = ?
[pid 14944] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14944, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14945
./strace-static-x86_64: Process 14945 attached
[pid 14945] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14945] setpgid(0, 0)               = 0
[pid 14945] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14945] write(3, "1000", 4)         = 4
[pid 14945] close(3)                    = 0
[pid 14945] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14945] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14945] pipe2([3, 4], 0)            = 0
[pid 14945] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14945] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14945] sync()                      = 0
[pid 14945] exit_group(0)               = ?
[pid 14945] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14945, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14946 attached
, child_tidptr=0x555555bcb690) = 14946
[pid 14946] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14946] setpgid(0, 0)               = 0
[pid 14946] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14946] write(3, "1000", 4)         = 4
[pid 14946] close(3)                    = 0
[pid 14946] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14946] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14946] pipe2([3, 4], 0)            = 0
[pid 14946] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14946] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14946] sync()                      = 0
[pid 14946] exit_group(0)               = ?
[pid 14946] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14946, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14947 attached
, child_tidptr=0x555555bcb690) = 14947
[pid 14947] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14947] setpgid(0, 0)               = 0
[pid 14947] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14947] write(3, "1000", 4)         = 4
[pid 14947] close(3)                    = 0
[pid 14947] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14947] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14947] pipe2([3, 4], 0)            = 0
[pid 14947] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14947] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14947] sync()                      = 0
[pid 14947] exit_group(0)               = ?
[pid 14947] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14947, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14948
./strace-static-x86_64: Process 14948 attached
[pid 14948] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14948] setpgid(0, 0)               = 0
[pid 14948] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14948] write(3, "1000", 4)         = 4
[pid 14948] close(3)                    = 0
[pid 14948] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14948] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14948] pipe2([3, 4], 0)            = 0
[pid 14948] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14948] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14948] sync()                      = 0
[pid 14948] exit_group(0)               = ?
[pid 14948] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14948, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14949 attached
, child_tidptr=0x555555bcb690) = 14949
[pid 14949] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14949] setpgid(0, 0)               = 0
[pid 14949] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14949] write(3, "1000", 4)         = 4
[pid 14949] close(3)                    = 0
[pid 14949] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14949] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14949] pipe2([3, 4], 0)            = 0
[pid 14949] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14949] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14949] sync()                      = 0
[pid 14949] exit_group(0)               = ?
[pid 14949] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14949, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14950
./strace-static-x86_64: Process 14950 attached
[pid 14950] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14950] setpgid(0, 0)               = 0
[pid 14950] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14950] write(3, "1000", 4)         = 4
[pid 14950] close(3)                    = 0
[pid 14950] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14950] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14950] pipe2([3, 4], 0)            = 0
[pid 14950] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14950] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14950] sync()                      = 0
[pid 14950] exit_group(0)               = ?
[pid 14950] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14950, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14951 attached
, child_tidptr=0x555555bcb690) = 14951
[pid 14951] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14951] setpgid(0, 0)               = 0
[pid 14951] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14951] write(3, "1000", 4)         = 4
[pid 14951] close(3)                    = 0
[pid 14951] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14951] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14951] pipe2([3, 4], 0)            = 0
[pid 14951] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14951] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14951] sync()                      = 0
[pid 14951] exit_group(0)               = ?
[pid 14951] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14951, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14952 attached
, child_tidptr=0x555555bcb690) = 14952
[pid 14952] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14952] setpgid(0, 0)               = 0
[pid 14952] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14952] write(3, "1000", 4)         = 4
[pid 14952] close(3)                    = 0
[pid 14952] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14952] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14952] pipe2([3, 4], 0)            = 0
[pid 14952] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14952] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14952] sync()                      = 0
[pid 14952] exit_group(0)               = ?
[pid 14952] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14952, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14953 attached
, child_tidptr=0x555555bcb690) = 14953
[pid 14953] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14953] setpgid(0, 0)               = 0
[pid 14953] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14953] write(3, "1000", 4)         = 4
[pid 14953] close(3)                    = 0
[pid 14953] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14953] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14953] pipe2([3, 4], 0)            = 0
[pid 14953] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14953] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14953] sync()                      = 0
[pid 14953] exit_group(0)               = ?
[pid 14953] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14953, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14954 attached
, child_tidptr=0x555555bcb690) = 14954
[pid 14954] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14954] setpgid(0, 0)               = 0
[pid 14954] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14954] write(3, "1000", 4)         = 4
[pid 14954] close(3)                    = 0
[pid 14954] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14954] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14954] pipe2([3, 4], 0)            = 0
[pid 14954] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14954] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14954] sync()                      = 0
[pid 14954] exit_group(0)               = ?
[pid 14954] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14954, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14955 attached
, child_tidptr=0x555555bcb690) = 14955
[pid 14955] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14955] setpgid(0, 0)               = 0
[pid 14955] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14955] write(3, "1000", 4)         = 4
[pid 14955] close(3)                    = 0
[pid 14955] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14955] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14955] pipe2([3, 4], 0)            = 0
[pid 14955] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14955] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14955] sync()                      = 0
[pid 14955] exit_group(0)               = ?
[pid 14955] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14955, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14956
./strace-static-x86_64: Process 14956 attached
[pid 14956] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14956] setpgid(0, 0)               = 0
[pid 14956] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14956] write(3, "1000", 4)         = 4
[pid 14956] close(3)                    = 0
[pid 14956] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14956] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14956] pipe2([3, 4], 0)            = 0
[pid 14956] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14956] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14956] sync()                      = 0
[pid 14956] exit_group(0)               = ?
[pid 14956] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14956, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14957 attached
, child_tidptr=0x555555bcb690) = 14957
[pid 14957] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14957] setpgid(0, 0)               = 0
[pid 14957] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14957] write(3, "1000", 4)         = 4
[pid 14957] close(3)                    = 0
[pid 14957] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14957] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14957] pipe2([3, 4], 0)            = 0
[pid 14957] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14957] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14957] sync()                      = 0
[pid 14957] exit_group(0)               = ?
[pid 14957] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14957, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14958
./strace-static-x86_64: Process 14958 attached
[pid 14958] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14958] setpgid(0, 0)               = 0
[pid 14958] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14958] write(3, "1000", 4)         = 4
[pid 14958] close(3)                    = 0
[pid 14958] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14958] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14958] pipe2([3, 4], 0)            = 0
[pid 14958] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14958] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14958] sync()                      = 0
[pid 14958] exit_group(0)               = ?
[pid 14958] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14958, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14959 attached
, child_tidptr=0x555555bcb690) = 14959
[pid 14959] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14959] setpgid(0, 0)               = 0
[pid 14959] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14959] write(3, "1000", 4)         = 4
[pid 14959] close(3)                    = 0
[pid 14959] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14959] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14959] pipe2([3, 4], 0)            = 0
[pid 14959] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14959] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14959] sync()                      = 0
[pid 14959] exit_group(0)               = ?
[pid 14959] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14959, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14960
./strace-static-x86_64: Process 14960 attached
[pid 14960] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14960] setpgid(0, 0)               = 0
[pid 14960] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14960] write(3, "1000", 4)         = 4
[pid 14960] close(3)                    = 0
[pid 14960] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14960] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14960] pipe2([3, 4], 0)            = 0
[pid 14960] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14960] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14960] sync()                      = 0
[pid 14960] exit_group(0)               = ?
[pid 14960] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14960, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14961
./strace-static-x86_64: Process 14961 attached
[pid 14961] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14961] setpgid(0, 0)               = 0
[pid 14961] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14961] write(3, "1000", 4)         = 4
[pid 14961] close(3)                    = 0
[pid 14961] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14961] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14961] pipe2([3, 4], 0)            = 0
[pid 14961] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14961] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14961] sync()                      = 0
[pid 14961] exit_group(0)               = ?
[pid 14961] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14961, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14962
./strace-static-x86_64: Process 14962 attached
[pid 14962] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14962] setpgid(0, 0)               = 0
[pid 14962] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14962] write(3, "1000", 4)         = 4
[pid 14962] close(3)                    = 0
[pid 14962] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14962] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14962] pipe2([3, 4], 0)            = 0
[pid 14962] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14962] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14962] sync()                      = 0
[pid 14962] exit_group(0)               = ?
[pid 14962] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14962, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14963 attached
, child_tidptr=0x555555bcb690) = 14963
[pid 14963] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14963] setpgid(0, 0)               = 0
[pid 14963] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14963] write(3, "1000", 4)         = 4
[pid 14963] close(3)                    = 0
[pid 14963] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14963] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14963] pipe2([3, 4], 0)            = 0
[pid 14963] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14963] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14963] sync()                      = 0
[pid 14963] exit_group(0)               = ?
[pid 14963] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14963, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14964 attached
, child_tidptr=0x555555bcb690) = 14964
[pid 14964] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14964] setpgid(0, 0)               = 0
[pid 14964] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14964] write(3, "1000", 4)         = 4
[pid 14964] close(3)                    = 0
[pid 14964] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14964] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14964] pipe2([3, 4], 0)            = 0
[pid 14964] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14964] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14964] sync()                      = 0
[pid 14964] exit_group(0)               = ?
[pid 14964] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14964, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14965 attached
, child_tidptr=0x555555bcb690) = 14965
[pid 14965] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14965] setpgid(0, 0)               = 0
[pid 14965] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14965] write(3, "1000", 4)         = 4
[pid 14965] close(3)                    = 0
[pid 14965] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14965] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14965] pipe2([3, 4], 0)            = 0
[pid 14965] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14965] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14965] sync()                      = 0
[pid 14965] exit_group(0)               = ?
[pid 14965] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14965, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14966 attached
, child_tidptr=0x555555bcb690) = 14966
[pid 14966] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14966] setpgid(0, 0)               = 0
[pid 14966] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14966] write(3, "1000", 4)         = 4
[pid 14966] close(3)                    = 0
[pid 14966] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14966] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14966] pipe2([3, 4], 0)            = 0
[pid 14966] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14966] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14966] sync()                      = 0
[pid 14966] exit_group(0)               = ?
[pid 14966] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14966, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14967
./strace-static-x86_64: Process 14967 attached
[pid 14967] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14967] setpgid(0, 0)               = 0
[pid 14967] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14967] write(3, "1000", 4)         = 4
[pid 14967] close(3)                    = 0
[pid 14967] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14967] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14967] pipe2([3, 4], 0)            = 0
[pid 14967] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14967] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14967] sync()                      = 0
[pid 14967] exit_group(0)               = ?
[pid 14967] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14967, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14968 attached
, child_tidptr=0x555555bcb690) = 14968
[pid 14968] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14968] setpgid(0, 0)               = 0
[pid 14968] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14968] write(3, "1000", 4)         = 4
[pid 14968] close(3)                    = 0
[pid 14968] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14968] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14968] pipe2([3, 4], 0)            = 0
[pid 14968] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14968] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14968] sync()                      = 0
[pid 14968] exit_group(0)               = ?
[pid 14968] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14968, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14969 attached
, child_tidptr=0x555555bcb690) = 14969
[pid 14969] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14969] setpgid(0, 0)               = 0
[pid 14969] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14969] write(3, "1000", 4)         = 4
[pid 14969] close(3)                    = 0
[pid 14969] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14969] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14969] pipe2([3, 4], 0)            = 0
[pid 14969] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14969] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14969] sync()                      = 0
[pid 14969] exit_group(0)               = ?
[pid 14969] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14969, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14970
./strace-static-x86_64: Process 14970 attached
[pid 14970] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14970] setpgid(0, 0)               = 0
[pid 14970] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14970] write(3, "1000", 4)         = 4
[pid 14970] close(3)                    = 0
[pid 14970] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14970] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14970] pipe2([3, 4], 0)            = 0
[pid 14970] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14970] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14970] sync()                      = 0
[pid 14970] exit_group(0)               = ?
[pid 14970] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14970, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14971
./strace-static-x86_64: Process 14971 attached
[pid 14971] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14971] setpgid(0, 0)               = 0
[pid 14971] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14971] write(3, "1000", 4)         = 4
[pid 14971] close(3)                    = 0
[pid 14971] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14971] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14971] pipe2([3, 4], 0)            = 0
[pid 14971] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14971] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14971] sync()                      = 0
[pid 14971] exit_group(0)               = ?
[pid 14971] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14971, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14972 attached
, child_tidptr=0x555555bcb690) = 14972
[pid 14972] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14972] setpgid(0, 0)               = 0
[pid 14972] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14972] write(3, "1000", 4)         = 4
[pid 14972] close(3)                    = 0
[pid 14972] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14972] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14972] pipe2([3, 4], 0)            = 0
[pid 14972] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14972] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14972] sync()                      = 0
[pid 14972] exit_group(0)               = ?
[pid 14972] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14972, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14973 attached
, child_tidptr=0x555555bcb690) = 14973
[pid 14973] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14973] setpgid(0, 0)               = 0
[pid 14973] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14973] write(3, "1000", 4)         = 4
[pid 14973] close(3)                    = 0
[pid 14973] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14973] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14973] pipe2([3, 4], 0)            = 0
[pid 14973] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14973] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14973] sync()                      = 0
[pid 14973] exit_group(0)               = ?
[pid 14973] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14973, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14974 attached
, child_tidptr=0x555555bcb690) = 14974
[pid 14974] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14974] setpgid(0, 0)               = 0
[pid 14974] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14974] write(3, "1000", 4)         = 4
[pid 14974] close(3)                    = 0
[pid 14974] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14974] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14974] pipe2([3, 4], 0)            = 0
[pid 14974] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14974] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14974] sync()                      = 0
[pid 14974] exit_group(0)               = ?
[pid 14974] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14974, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14975
./strace-static-x86_64: Process 14975 attached
[pid 14975] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14975] setpgid(0, 0)               = 0
[pid 14975] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14975] write(3, "1000", 4)         = 4
[pid 14975] close(3)                    = 0
[pid 14975] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14975] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14975] pipe2([3, 4], 0)            = 0
[pid 14975] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14975] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14975] sync()                      = 0
[pid 14975] exit_group(0)               = ?
[pid 14975] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14975, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14976
./strace-static-x86_64: Process 14976 attached
[pid 14976] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14976] setpgid(0, 0)               = 0
[pid 14976] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14976] write(3, "1000", 4)         = 4
[pid 14976] close(3)                    = 0
[pid 14976] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14976] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14976] pipe2([3, 4], 0)            = 0
[pid 14976] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14976] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14976] sync()                      = 0
[pid 14976] exit_group(0)               = ?
[pid 14976] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14976, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14977 attached
, child_tidptr=0x555555bcb690) = 14977
[pid 14977] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14977] setpgid(0, 0)               = 0
[pid 14977] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14977] write(3, "1000", 4)         = 4
[pid 14977] close(3)                    = 0
[pid 14977] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14977] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14977] pipe2([3, 4], 0)            = 0
[pid 14977] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14977] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14977] sync()                      = 0
[pid 14977] exit_group(0)               = ?
[pid 14977] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14977, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14978
./strace-static-x86_64: Process 14978 attached
[pid 14978] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14978] setpgid(0, 0)               = 0
[pid 14978] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14978] write(3, "1000", 4)         = 4
[pid 14978] close(3)                    = 0
[pid 14978] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14978] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14978] pipe2([3, 4], 0)            = 0
[pid 14978] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14978] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14978] sync()                      = 0
[pid 14978] exit_group(0)               = ?
[pid 14978] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14978, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14979
./strace-static-x86_64: Process 14979 attached
[pid 14979] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14979] setpgid(0, 0)               = 0
[pid 14979] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14979] write(3, "1000", 4)         = 4
[pid 14979] close(3)                    = 0
[pid 14979] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14979] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14979] pipe2([3, 4], 0)            = 0
[pid 14979] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14979] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14979] sync()                      = 0
[pid 14979] exit_group(0)               = ?
[pid 14979] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14979, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14980 attached
, child_tidptr=0x555555bcb690) = 14980
[pid 14980] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14980] setpgid(0, 0)               = 0
[pid 14980] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14980] write(3, "1000", 4)         = 4
[pid 14980] close(3)                    = 0
[pid 14980] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14980] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14980] pipe2([3, 4], 0)            = 0
[pid 14980] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14980] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14980] sync()                      = 0
[pid 14980] exit_group(0)               = ?
[pid 14980] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14980, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14981 attached
, child_tidptr=0x555555bcb690) = 14981
[pid 14981] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14981] setpgid(0, 0)               = 0
[pid 14981] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14981] write(3, "1000", 4)         = 4
[pid 14981] close(3)                    = 0
[pid 14981] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14981] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14981] pipe2([3, 4], 0)            = 0
[pid 14981] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14981] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14981] sync()                      = 0
[pid 14981] exit_group(0)               = ?
[pid 14981] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14981, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14982 attached
, child_tidptr=0x555555bcb690) = 14982
[pid 14982] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14982] setpgid(0, 0)               = 0
[pid 14982] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14982] write(3, "1000", 4)         = 4
[pid 14982] close(3)                    = 0
[pid 14982] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14982] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14982] pipe2([3, 4], 0)            = 0
[pid 14982] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14982] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14982] sync()                      = 0
[pid 14982] exit_group(0)               = ?
[pid 14982] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14982, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14983 attached
, child_tidptr=0x555555bcb690) = 14983
[pid 14983] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14983] setpgid(0, 0)               = 0
[pid 14983] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14983] write(3, "1000", 4)         = 4
[pid 14983] close(3)                    = 0
[pid 14983] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14983] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14983] pipe2([3, 4], 0)            = 0
[pid 14983] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14983] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14983] sync()                      = 0
[pid 14983] exit_group(0)               = ?
[pid 14983] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14983, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14984 attached
, child_tidptr=0x555555bcb690) = 14984
[pid 14984] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14984] setpgid(0, 0)               = 0
[pid 14984] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14984] write(3, "1000", 4)         = 4
[pid 14984] close(3)                    = 0
[pid 14984] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14984] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14984] pipe2([3, 4], 0)            = 0
[pid 14984] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14984] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14984] sync()                      = 0
[pid 14984] exit_group(0)               = ?
[pid 14984] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14984, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14985
./strace-static-x86_64: Process 14985 attached
[pid 14985] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14985] setpgid(0, 0)               = 0
[pid 14985] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14985] write(3, "1000", 4)         = 4
[pid 14985] close(3)                    = 0
[pid 14985] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14985] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14985] pipe2([3, 4], 0)            = 0
[pid 14985] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14985] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14985] sync()                      = 0
[pid 14985] exit_group(0)               = ?
[pid 14985] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14985, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14986 attached
, child_tidptr=0x555555bcb690) = 14986
[pid 14986] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14986] setpgid(0, 0)               = 0
[pid 14986] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14986] write(3, "1000", 4)         = 4
[pid 14986] close(3)                    = 0
[pid 14986] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14986] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14986] pipe2([3, 4], 0)            = 0
[pid 14986] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14986] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14986] sync()                      = 0
[pid 14986] exit_group(0)               = ?
[pid 14986] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14986, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14987
./strace-static-x86_64: Process 14987 attached
[pid 14987] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14987] setpgid(0, 0)               = 0
[pid 14987] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14987] write(3, "1000", 4)         = 4
[pid 14987] close(3)                    = 0
[pid 14987] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14987] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14987] pipe2([3, 4], 0)            = 0
[pid 14987] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14987] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14987] sync()                      = 0
[pid 14987] exit_group(0)               = ?
[pid 14987] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14987, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14988 attached
, child_tidptr=0x555555bcb690) = 14988
[pid 14988] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14988] setpgid(0, 0)               = 0
[pid 14988] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14988] write(3, "1000", 4)         = 4
[pid 14988] close(3)                    = 0
[pid 14988] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14988] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14988] pipe2([3, 4], 0)            = 0
[pid 14988] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14988] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14988] sync()                      = 0
[pid 14988] exit_group(0)               = ?
[pid 14988] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14988, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14989 attached
, child_tidptr=0x555555bcb690) = 14989
[pid 14989] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14989] setpgid(0, 0)               = 0
[pid 14989] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14989] write(3, "1000", 4)         = 4
[pid 14989] close(3)                    = 0
[pid 14989] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14989] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14989] pipe2([3, 4], 0)            = 0
[pid 14989] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14989] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14989] sync()                      = 0
[pid 14989] exit_group(0)               = ?
[pid 14989] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14989, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14990 attached
, child_tidptr=0x555555bcb690) = 14990
[pid 14990] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14990] setpgid(0, 0)               = 0
[pid 14990] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14990] write(3, "1000", 4)         = 4
[pid 14990] close(3)                    = 0
[pid 14990] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14990] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14990] pipe2([3, 4], 0)            = 0
[pid 14990] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14990] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14990] sync()                      = 0
[pid 14990] exit_group(0)               = ?
[pid 14990] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14990, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14991 attached
, child_tidptr=0x555555bcb690) = 14991
[pid 14991] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14991] setpgid(0, 0)               = 0
[pid 14991] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14991] write(3, "1000", 4)         = 4
[pid 14991] close(3)                    = 0
[pid 14991] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14991] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14991] pipe2([3, 4], 0)            = 0
[pid 14991] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14991] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14991] sync()                      = 0
[pid 14991] exit_group(0)               = ?
[pid 14991] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14991, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14992
./strace-static-x86_64: Process 14992 attached
[pid 14992] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14992] setpgid(0, 0)               = 0
[pid 14992] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14992] write(3, "1000", 4)         = 4
[pid 14992] close(3)                    = 0
[pid 14992] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14992] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14992] pipe2([3, 4], 0)            = 0
[pid 14992] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14992] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14992] sync()                      = 0
[pid 14992] exit_group(0)               = ?
[pid 14992] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14992, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14993
./strace-static-x86_64: Process 14993 attached
[pid 14993] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14993] setpgid(0, 0)               = 0
[pid 14993] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14993] write(3, "1000", 4)         = 4
[pid 14993] close(3)                    = 0
[pid 14993] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14993] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14993] pipe2([3, 4], 0)            = 0
[pid 14993] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14993] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14993] sync()                      = 0
[pid 14993] exit_group(0)               = ?
[pid 14993] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14993, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14994 attached
, child_tidptr=0x555555bcb690) = 14994
[pid 14994] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14994] setpgid(0, 0)               = 0
[pid 14994] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14994] write(3, "1000", 4)         = 4
[pid 14994] close(3)                    = 0
[pid 14994] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14994] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14994] pipe2([3, 4], 0)            = 0
[pid 14994] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14994] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14994] sync()                      = 0
[pid 14994] exit_group(0)               = ?
[pid 14994] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14994, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 14995 attached
 <unfinished ...>
[pid 14995] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14995] setpgid(0, 0)               = 0
[pid  3603] <... clone resumed>, child_tidptr=0x555555bcb690) = 14995
[pid 14995] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14995] write(3, "1000", 4)         = 4
[pid 14995] close(3)                    = 0
[pid 14995] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14995] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14995] pipe2([3, 4], 0)            = 0
[pid 14995] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14995] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14995] sync()                      = 0
[pid 14995] exit_group(0)               = ?
[pid 14995] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14995, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14996
./strace-static-x86_64: Process 14996 attached
[pid 14996] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14996] setpgid(0, 0)               = 0
[pid 14996] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14996] write(3, "1000", 4)         = 4
[pid 14996] close(3)                    = 0
[pid 14996] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14996] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14996] pipe2([3, 4], 0)            = 0
[pid 14996] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14996] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14996] sync()                      = 0
[pid 14996] exit_group(0)               = ?
[pid 14996] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14996, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14997
./strace-static-x86_64: Process 14997 attached
[pid 14997] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14997] setpgid(0, 0)               = 0
[pid 14997] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14997] write(3, "1000", 4)         = 4
[pid 14997] close(3)                    = 0
[pid 14997] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14997] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14997] pipe2([3, 4], 0)            = 0
[pid 14997] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14997] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14997] sync()                      = 0
[pid 14997] exit_group(0)               = ?
[pid 14997] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14997, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14998
./strace-static-x86_64: Process 14998 attached
[pid 14998] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14998] setpgid(0, 0)               = 0
[pid 14998] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14998] write(3, "1000", 4)         = 4
[pid 14998] close(3)                    = 0
[pid 14998] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14998] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14998] pipe2([3, 4], 0)            = 0
[pid 14998] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14998] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14998] sync()                      = 0
[pid 14998] exit_group(0)               = ?
[pid 14998] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14998, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 14999
./strace-static-x86_64: Process 14999 attached
[pid 14999] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 14999] setpgid(0, 0)               = 0
[pid 14999] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 14999] write(3, "1000", 4)         = 4
[pid 14999] close(3)                    = 0
[pid 14999] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 14999] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 14999] pipe2([3, 4], 0)            = 0
[pid 14999] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 14999] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 14999] sync()                      = 0
[pid 14999] exit_group(0)               = ?
[pid 14999] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14999, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15000 attached
, child_tidptr=0x555555bcb690) = 15000
[pid 15000] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15000] setpgid(0, 0)               = 0
[pid 15000] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15000] write(3, "1000", 4)         = 4
[pid 15000] close(3)                    = 0
[pid 15000] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15000] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15000] pipe2([3, 4], 0)            = 0
[pid 15000] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15000] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15000] sync()                      = 0
[pid 15000] exit_group(0)               = ?
[pid 15000] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15000, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15001 attached
, child_tidptr=0x555555bcb690) = 15001
[pid 15001] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15001] setpgid(0, 0)               = 0
[pid 15001] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15001] write(3, "1000", 4)         = 4
[pid 15001] close(3)                    = 0
[pid 15001] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15001] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15001] pipe2([3, 4], 0)            = 0
[pid 15001] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15001] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15001] sync()                      = 0
[pid 15001] exit_group(0)               = ?
[pid 15001] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15001, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15002 attached
, child_tidptr=0x555555bcb690) = 15002
[pid 15002] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15002] setpgid(0, 0)               = 0
[pid 15002] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15002] write(3, "1000", 4)         = 4
[pid 15002] close(3)                    = 0
[pid 15002] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15002] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15002] pipe2([3, 4], 0)            = 0
[pid 15002] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15002] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15002] sync()                      = 0
[pid 15002] exit_group(0)               = ?
[pid 15002] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15002, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15003
./strace-static-x86_64: Process 15003 attached
[pid 15003] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15003] setpgid(0, 0)               = 0
[pid 15003] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15003] write(3, "1000", 4)         = 4
[pid 15003] close(3)                    = 0
[pid 15003] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15003] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15003] pipe2([3, 4], 0)            = 0
[pid 15003] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15003] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15003] sync()                      = 0
[pid 15003] exit_group(0)               = ?
[pid 15003] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15003, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15004 attached
, child_tidptr=0x555555bcb690) = 15004
[pid 15004] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15004] setpgid(0, 0)               = 0
[pid 15004] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15004] write(3, "1000", 4)         = 4
[pid 15004] close(3)                    = 0
[pid 15004] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15004] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15004] pipe2([3, 4], 0)            = 0
[pid 15004] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15004] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15004] sync()                      = 0
[pid 15004] exit_group(0)               = ?
[pid 15004] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15004, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15005 attached
, child_tidptr=0x555555bcb690) = 15005
[pid 15005] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15005] setpgid(0, 0)               = 0
[pid 15005] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15005] write(3, "1000", 4)         = 4
[pid 15005] close(3)                    = 0
[pid 15005] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15005] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15005] pipe2([3, 4], 0)            = 0
[pid 15005] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15005] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15005] sync()                      = 0
[pid 15005] exit_group(0)               = ?
[pid 15005] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15005, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15006 attached
, child_tidptr=0x555555bcb690) = 15006
[pid 15006] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15006] setpgid(0, 0)               = 0
[pid 15006] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15006] write(3, "1000", 4)         = 4
[pid 15006] close(3)                    = 0
[pid 15006] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15006] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15006] pipe2([3, 4], 0)            = 0
[pid 15006] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15006] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15006] sync()                      = 0
[pid 15006] exit_group(0)               = ?
[pid 15006] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15006, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15007 attached
, child_tidptr=0x555555bcb690) = 15007
[pid 15007] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15007] setpgid(0, 0)               = 0
[pid 15007] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15007] write(3, "1000", 4)         = 4
[pid 15007] close(3)                    = 0
[pid 15007] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15007] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15007] pipe2([3, 4], 0)            = 0
[pid 15007] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15007] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15007] sync()                      = 0
[pid 15007] exit_group(0)               = ?
[pid 15007] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15007, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15008
./strace-static-x86_64: Process 15008 attached
[pid 15008] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15008] setpgid(0, 0)               = 0
[pid 15008] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15008] write(3, "1000", 4)         = 4
[pid 15008] close(3)                    = 0
[pid 15008] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15008] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15008] pipe2([3, 4], 0)            = 0
[pid 15008] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15008] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15008] sync()                      = 0
[pid 15008] exit_group(0)               = ?
[pid 15008] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15008, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15009 attached
, child_tidptr=0x555555bcb690) = 15009
[pid 15009] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15009] setpgid(0, 0)               = 0
[pid 15009] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15009] write(3, "1000", 4)         = 4
[pid 15009] close(3)                    = 0
[pid 15009] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15009] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15009] pipe2([3, 4], 0)            = 0
[pid 15009] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15009] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15009] sync()                      = 0
[pid 15009] exit_group(0)               = ?
[pid 15009] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15009, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15010 attached
, child_tidptr=0x555555bcb690) = 15010
[pid 15010] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15010] setpgid(0, 0)               = 0
[pid 15010] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15010] write(3, "1000", 4)         = 4
[pid 15010] close(3)                    = 0
[pid 15010] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15010] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15010] pipe2([3, 4], 0)            = 0
[pid 15010] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15010] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15010] sync()                      = 0
[pid 15010] exit_group(0)               = ?
[pid 15010] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15010, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15011
./strace-static-x86_64: Process 15011 attached
[pid 15011] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15011] setpgid(0, 0)               = 0
[pid 15011] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15011] write(3, "1000", 4)         = 4
[pid 15011] close(3)                    = 0
[pid 15011] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15011] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15011] pipe2([3, 4], 0)            = 0
[pid 15011] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15011] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15011] sync()                      = 0
[pid 15011] exit_group(0)               = ?
[pid 15011] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15011, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15012 attached
, child_tidptr=0x555555bcb690) = 15012
[pid 15012] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15012] setpgid(0, 0)               = 0
[pid 15012] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15012] write(3, "1000", 4)         = 4
[pid 15012] close(3)                    = 0
[pid 15012] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15012] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15012] pipe2([3, 4], 0)            = 0
[pid 15012] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15012] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15012] sync()                      = 0
[pid 15012] exit_group(0)               = ?
[pid 15012] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15012, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15013 attached
, child_tidptr=0x555555bcb690) = 15013
[pid 15013] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15013] setpgid(0, 0)               = 0
[pid 15013] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15013] write(3, "1000", 4)         = 4
[pid 15013] close(3)                    = 0
[pid 15013] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15013] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15013] pipe2([3, 4], 0)            = 0
[pid 15013] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15013] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15013] sync()                      = 0
[pid 15013] exit_group(0)               = ?
[pid 15013] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15013, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15014 attached
, child_tidptr=0x555555bcb690) = 15014
[pid 15014] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15014] setpgid(0, 0)               = 0
[pid 15014] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15014] write(3, "1000", 4)         = 4
[pid 15014] close(3)                    = 0
[pid 15014] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15014] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15014] pipe2([3, 4], 0)            = 0
[pid 15014] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15014] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15014] sync()                      = 0
[pid 15014] exit_group(0)               = ?
[pid 15014] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15014, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15015 attached
, child_tidptr=0x555555bcb690) = 15015
[pid 15015] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15015] setpgid(0, 0)               = 0
[pid 15015] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15015] write(3, "1000", 4)         = 4
[pid 15015] close(3)                    = 0
[pid 15015] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15015] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15015] pipe2([3, 4], 0)            = 0
[pid 15015] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15015] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15015] sync()                      = 0
[pid 15015] exit_group(0)               = ?
[pid 15015] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15015, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15016
./strace-static-x86_64: Process 15016 attached
[pid 15016] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15016] setpgid(0, 0)               = 0
[pid 15016] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15016] write(3, "1000", 4)         = 4
[pid 15016] close(3)                    = 0
[pid 15016] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15016] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15016] pipe2([3, 4], 0)            = 0
[pid 15016] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15016] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15016] sync()                      = 0
[pid 15016] exit_group(0)               = ?
[pid 15016] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15016, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15017
./strace-static-x86_64: Process 15017 attached
[pid 15017] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15017] setpgid(0, 0)               = 0
[pid 15017] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15017] write(3, "1000", 4)         = 4
[pid 15017] close(3)                    = 0
[pid 15017] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15017] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15017] pipe2([3, 4], 0)            = 0
[pid 15017] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15017] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15017] sync()                      = 0
[pid 15017] exit_group(0)               = ?
[pid 15017] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15017, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15018
./strace-static-x86_64: Process 15018 attached
[pid 15018] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15018] setpgid(0, 0)               = 0
[pid 15018] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15018] write(3, "1000", 4)         = 4
[pid 15018] close(3)                    = 0
[pid 15018] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15018] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15018] pipe2([3, 4], 0)            = 0
[pid 15018] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15018] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15018] sync()                      = 0
[pid 15018] exit_group(0)               = ?
[pid 15018] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15018, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15019 attached
, child_tidptr=0x555555bcb690) = 15019
[pid 15019] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15019] setpgid(0, 0)               = 0
[pid 15019] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15019] write(3, "1000", 4)         = 4
[pid 15019] close(3)                    = 0
[pid 15019] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15019] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15019] pipe2([3, 4], 0)            = 0
[pid 15019] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15019] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15019] sync()                      = 0
[pid 15019] exit_group(0)               = ?
[pid 15019] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15019, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15020 attached
, child_tidptr=0x555555bcb690) = 15020
[pid 15020] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15020] setpgid(0, 0)               = 0
[pid 15020] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15020] write(3, "1000", 4)         = 4
[pid 15020] close(3)                    = 0
[pid 15020] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15020] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15020] pipe2([3, 4], 0)            = 0
[pid 15020] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15020] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15020] sync()                      = 0
[pid 15020] exit_group(0)               = ?
[pid 15020] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15020, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15021 attached
, child_tidptr=0x555555bcb690) = 15021
[pid 15021] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15021] setpgid(0, 0)               = 0
[pid 15021] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15021] write(3, "1000", 4)         = 4
[pid 15021] close(3)                    = 0
[pid 15021] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15021] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15021] pipe2([3, 4], 0)            = 0
[pid 15021] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15021] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15021] sync()                      = 0
[pid 15021] exit_group(0)               = ?
[pid 15021] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15021, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15022 attached
, child_tidptr=0x555555bcb690) = 15022
[pid 15022] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15022] setpgid(0, 0)               = 0
[pid 15022] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15022] write(3, "1000", 4)         = 4
[pid 15022] close(3)                    = 0
[pid 15022] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15022] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15022] pipe2([3, 4], 0)            = 0
[pid 15022] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15022] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15022] sync()                      = 0
[pid 15022] exit_group(0)               = ?
[pid 15022] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15022, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15023 attached
, child_tidptr=0x555555bcb690) = 15023
[pid 15023] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15023] setpgid(0, 0)               = 0
[pid 15023] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15023] write(3, "1000", 4)         = 4
[pid 15023] close(3)                    = 0
[pid 15023] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15023] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15023] pipe2([3, 4], 0)            = 0
[pid 15023] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15023] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15023] sync()                      = 0
[pid 15023] exit_group(0)               = ?
[pid 15023] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15023, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15024 attached
, child_tidptr=0x555555bcb690) = 15024
[pid 15024] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15024] setpgid(0, 0)               = 0
[pid 15024] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15024] write(3, "1000", 4)         = 4
[pid 15024] close(3)                    = 0
[pid 15024] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15024] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15024] pipe2([3, 4], 0)            = 0
[pid 15024] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15024] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15024] sync()                      = 0
[pid 15024] exit_group(0)               = ?
[pid 15024] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15024, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15025 attached
, child_tidptr=0x555555bcb690) = 15025
[pid 15025] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15025] setpgid(0, 0)               = 0
[pid 15025] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15025] write(3, "1000", 4)         = 4
[pid 15025] close(3)                    = 0
[pid 15025] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15025] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15025] pipe2([3, 4], 0)            = 0
[pid 15025] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15025] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15025] sync()                      = 0
[pid 15025] exit_group(0)               = ?
[pid 15025] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15025, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15026 attached
, child_tidptr=0x555555bcb690) = 15026
[pid 15026] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15026] setpgid(0, 0)               = 0
[pid 15026] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15026] write(3, "1000", 4)         = 4
[pid 15026] close(3)                    = 0
[pid 15026] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15026] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15026] pipe2([3, 4], 0)            = 0
[pid 15026] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15026] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15026] sync()                      = 0
[pid 15026] exit_group(0)               = ?
[pid 15026] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15026, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15027
./strace-static-x86_64: Process 15027 attached
[pid 15027] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15027] setpgid(0, 0)               = 0
[pid 15027] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15027] write(3, "1000", 4)         = 4
[pid 15027] close(3)                    = 0
[pid 15027] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15027] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15027] pipe2([3, 4], 0)            = 0
[pid 15027] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15027] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15027] sync()                      = 0
[pid 15027] exit_group(0)               = ?
[pid 15027] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15027, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15028 attached
, child_tidptr=0x555555bcb690) = 15028
[pid 15028] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15028] setpgid(0, 0)               = 0
[pid 15028] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15028] write(3, "1000", 4)         = 4
[pid 15028] close(3)                    = 0
[pid 15028] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15028] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15028] pipe2([3, 4], 0)            = 0
[pid 15028] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15028] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15028] sync()                      = 0
[pid 15028] exit_group(0)               = ?
[pid 15028] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15028, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15029 attached
, child_tidptr=0x555555bcb690) = 15029
[pid 15029] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15029] setpgid(0, 0)               = 0
[pid 15029] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15029] write(3, "1000", 4)         = 4
[pid 15029] close(3)                    = 0
[pid 15029] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15029] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15029] pipe2([3, 4], 0)            = 0
[pid 15029] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15029] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15029] sync()                      = 0
[pid 15029] exit_group(0)               = ?
[pid 15029] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15029, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15030 attached
, child_tidptr=0x555555bcb690) = 15030
[pid 15030] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15030] setpgid(0, 0)               = 0
[pid 15030] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15030] write(3, "1000", 4)         = 4
[pid 15030] close(3)                    = 0
[pid 15030] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15030] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15030] pipe2([3, 4], 0)            = 0
[pid 15030] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15030] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15030] sync()                      = 0
[pid 15030] exit_group(0)               = ?
[pid 15030] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15030, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15031
./strace-static-x86_64: Process 15031 attached
[pid 15031] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15031] setpgid(0, 0)               = 0
[pid 15031] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15031] write(3, "1000", 4)         = 4
[pid 15031] close(3)                    = 0
[pid 15031] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15031] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15031] pipe2([3, 4], 0)            = 0
[pid 15031] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15031] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15031] sync()                      = 0
[pid 15031] exit_group(0)               = ?
[pid 15031] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15031, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15032
./strace-static-x86_64: Process 15032 attached
[pid 15032] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15032] setpgid(0, 0)               = 0
[pid 15032] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15032] write(3, "1000", 4)         = 4
[pid 15032] close(3)                    = 0
[pid 15032] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15032] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15032] pipe2([3, 4], 0)            = 0
[pid 15032] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15032] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15032] sync()                      = 0
[pid 15032] exit_group(0)               = ?
[pid 15032] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15032, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15033
./strace-static-x86_64: Process 15033 attached
[pid 15033] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15033] setpgid(0, 0)               = 0
[pid 15033] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15033] write(3, "1000", 4)         = 4
[pid 15033] close(3)                    = 0
[pid 15033] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15033] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15033] pipe2([3, 4], 0)            = 0
[pid 15033] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15033] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15033] sync()                      = 0
[pid 15033] exit_group(0)               = ?
[pid 15033] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15033, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15034 attached
, child_tidptr=0x555555bcb690) = 15034
[pid 15034] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15034] setpgid(0, 0)               = 0
[pid 15034] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15034] write(3, "1000", 4)         = 4
[pid 15034] close(3)                    = 0
[pid 15034] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15034] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15034] pipe2([3, 4], 0)            = 0
[pid 15034] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15034] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15034] sync()                      = 0
[pid 15034] exit_group(0)               = ?
[pid 15034] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15034, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15035
./strace-static-x86_64: Process 15035 attached
[pid 15035] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15035] setpgid(0, 0)               = 0
[pid 15035] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15035] write(3, "1000", 4)         = 4
[pid 15035] close(3)                    = 0
[pid 15035] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15035] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15035] pipe2([3, 4], 0)            = 0
[pid 15035] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15035] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15035] sync()                      = 0
[pid 15035] exit_group(0)               = ?
[pid 15035] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15035, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15036
./strace-static-x86_64: Process 15036 attached
[pid 15036] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15036] setpgid(0, 0)               = 0
[pid 15036] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15036] write(3, "1000", 4)         = 4
[pid 15036] close(3)                    = 0
[pid 15036] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15036] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15036] pipe2([3, 4], 0)            = 0
[pid 15036] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15036] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15036] sync()                      = 0
[pid 15036] exit_group(0)               = ?
[pid 15036] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15036, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15037
./strace-static-x86_64: Process 15037 attached
[pid 15037] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15037] setpgid(0, 0)               = 0
[pid 15037] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15037] write(3, "1000", 4)         = 4
[pid 15037] close(3)                    = 0
[pid 15037] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15037] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15037] pipe2([3, 4], 0)            = 0
[pid 15037] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15037] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15037] sync()                      = 0
[pid 15037] exit_group(0)               = ?
[pid 15037] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15037, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15038
./strace-static-x86_64: Process 15038 attached
[pid 15038] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15038] setpgid(0, 0)               = 0
[pid 15038] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15038] write(3, "1000", 4)         = 4
[pid 15038] close(3)                    = 0
[pid 15038] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15038] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15038] pipe2([3, 4], 0)            = 0
[pid 15038] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15038] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15038] sync()                      = 0
[pid 15038] exit_group(0)               = ?
[pid 15038] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15038, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15039
./strace-static-x86_64: Process 15039 attached
[pid 15039] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15039] setpgid(0, 0)               = 0
[pid 15039] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15039] write(3, "1000", 4)         = 4
[pid 15039] close(3)                    = 0
[pid 15039] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15039] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15039] pipe2([3, 4], 0)            = 0
[pid 15039] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15039] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15039] sync()                      = 0
[pid 15039] exit_group(0)               = ?
[pid 15039] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15039, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15040 attached
, child_tidptr=0x555555bcb690) = 15040
[pid 15040] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15040] setpgid(0, 0)               = 0
[pid 15040] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15040] write(3, "1000", 4)         = 4
[pid 15040] close(3)                    = 0
[pid 15040] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15040] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15040] pipe2([3, 4], 0)            = 0
[pid 15040] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15040] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15040] sync()                      = 0
[pid 15040] exit_group(0)               = ?
[pid 15040] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15040, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15041
./strace-static-x86_64: Process 15041 attached
[pid 15041] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15041] setpgid(0, 0)               = 0
[pid 15041] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15041] write(3, "1000", 4)         = 4
[pid 15041] close(3)                    = 0
[pid 15041] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15041] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15041] pipe2([3, 4], 0)            = 0
[pid 15041] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15041] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15041] sync()                      = 0
[pid 15041] exit_group(0)               = ?
[pid 15041] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15041, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15042
./strace-static-x86_64: Process 15042 attached
[pid 15042] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15042] setpgid(0, 0)               = 0
[pid 15042] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15042] write(3, "1000", 4)         = 4
[pid 15042] close(3)                    = 0
[pid 15042] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15042] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15042] pipe2([3, 4], 0)            = 0
[pid 15042] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15042] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15042] sync()                      = 0
[pid 15042] exit_group(0)               = ?
[pid 15042] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15042, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15043 attached
, child_tidptr=0x555555bcb690) = 15043
[pid 15043] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15043] setpgid(0, 0)               = 0
[pid 15043] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15043] write(3, "1000", 4)         = 4
[pid 15043] close(3)                    = 0
[pid 15043] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15043] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15043] pipe2([3, 4], 0)            = 0
[pid 15043] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15043] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15043] sync()                      = 0
[pid 15043] exit_group(0)               = ?
[pid 15043] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15043, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15044 attached
, child_tidptr=0x555555bcb690) = 15044
[pid 15044] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15044] setpgid(0, 0)               = 0
[pid 15044] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15044] write(3, "1000", 4)         = 4
[pid 15044] close(3)                    = 0
[pid 15044] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15044] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15044] pipe2([3, 4], 0)            = 0
[pid 15044] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15044] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15044] sync()                      = 0
[pid 15044] exit_group(0)               = ?
[pid 15044] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15044, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15045 attached
, child_tidptr=0x555555bcb690) = 15045
[pid 15045] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15045] setpgid(0, 0)               = 0
[pid 15045] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15045] write(3, "1000", 4)         = 4
[pid 15045] close(3)                    = 0
[pid 15045] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15045] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15045] pipe2([3, 4], 0)            = 0
[pid 15045] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15045] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15045] sync()                      = 0
[pid 15045] exit_group(0)               = ?
[pid 15045] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15045, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15046
./strace-static-x86_64: Process 15046 attached
[pid 15046] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15046] setpgid(0, 0)               = 0
[pid 15046] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15046] write(3, "1000", 4)         = 4
[pid 15046] close(3)                    = 0
[pid 15046] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15046] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15046] pipe2([3, 4], 0)            = 0
[pid 15046] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15046] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15046] sync()                      = 0
[pid 15046] exit_group(0)               = ?
[pid 15046] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15046, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15047 attached
, child_tidptr=0x555555bcb690) = 15047
[pid 15047] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15047] setpgid(0, 0)               = 0
[pid 15047] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15047] write(3, "1000", 4)         = 4
[pid 15047] close(3)                    = 0
[pid 15047] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15047] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15047] pipe2([3, 4], 0)            = 0
[pid 15047] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15047] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15047] sync()                      = 0
[pid 15047] exit_group(0)               = ?
[pid 15047] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15047, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15048 attached
, child_tidptr=0x555555bcb690) = 15048
[pid 15048] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15048] setpgid(0, 0)               = 0
[pid 15048] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15048] write(3, "1000", 4)         = 4
[pid 15048] close(3)                    = 0
[pid 15048] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15048] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15048] pipe2([3, 4], 0)            = 0
[pid 15048] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15048] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15048] sync()                      = 0
[pid 15048] exit_group(0)               = ?
[pid 15048] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15048, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15049 attached
, child_tidptr=0x555555bcb690) = 15049
[pid 15049] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15049] setpgid(0, 0)               = 0
[pid 15049] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15049] write(3, "1000", 4)         = 4
[pid 15049] close(3)                    = 0
[pid 15049] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15049] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15049] pipe2([3, 4], 0)            = 0
[pid 15049] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15049] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15049] sync()                      = 0
[pid 15049] exit_group(0)               = ?
[pid 15049] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15049, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15050 attached
, child_tidptr=0x555555bcb690) = 15050
[pid 15050] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15050] setpgid(0, 0)               = 0
[pid 15050] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15050] write(3, "1000", 4)         = 4
[pid 15050] close(3)                    = 0
[pid 15050] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15050] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15050] pipe2([3, 4], 0)            = 0
[pid 15050] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15050] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15050] sync()                      = 0
[pid 15050] exit_group(0)               = ?
[pid 15050] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15050, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15051 attached
, child_tidptr=0x555555bcb690) = 15051
[pid 15051] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15051] setpgid(0, 0)               = 0
[pid 15051] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15051] write(3, "1000", 4)         = 4
[pid 15051] close(3)                    = 0
[pid 15051] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15051] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15051] pipe2([3, 4], 0)            = 0
[pid 15051] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15051] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15051] sync()                      = 0
[pid 15051] exit_group(0)               = ?
[pid 15051] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15051, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15052
./strace-static-x86_64: Process 15052 attached
[pid 15052] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15052] setpgid(0, 0)               = 0
[pid 15052] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15052] write(3, "1000", 4)         = 4
[pid 15052] close(3)                    = 0
[pid 15052] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15052] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15052] pipe2([3, 4], 0)            = 0
[pid 15052] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15052] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15052] sync()                      = 0
[pid 15052] exit_group(0)               = ?
[pid 15052] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15052, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15053
./strace-static-x86_64: Process 15053 attached
[pid 15053] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15053] setpgid(0, 0)               = 0
[pid 15053] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15053] write(3, "1000", 4)         = 4
[pid 15053] close(3)                    = 0
[pid 15053] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15053] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15053] pipe2([3, 4], 0)            = 0
[pid 15053] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15053] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15053] sync()                      = 0
[pid 15053] exit_group(0)               = ?
[pid 15053] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15053, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15054
./strace-static-x86_64: Process 15054 attached
[pid 15054] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15054] setpgid(0, 0)               = 0
[pid 15054] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15054] write(3, "1000", 4)         = 4
[pid 15054] close(3)                    = 0
[pid 15054] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15054] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15054] pipe2([3, 4], 0)            = 0
[pid 15054] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15054] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15054] sync()                      = 0
[pid 15054] exit_group(0)               = ?
[pid 15054] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15054, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15055 attached
, child_tidptr=0x555555bcb690) = 15055
[pid 15055] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15055] setpgid(0, 0)               = 0
[pid 15055] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15055] write(3, "1000", 4)         = 4
[pid 15055] close(3)                    = 0
[pid 15055] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15055] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15055] pipe2([3, 4], 0)            = 0
[pid 15055] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15055] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15055] sync()                      = 0
[pid 15055] exit_group(0)               = ?
[pid 15055] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15055, si_uid=0, si_status=0, si_utime=1, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15056 attached
, child_tidptr=0x555555bcb690) = 15056
[pid 15056] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15056] setpgid(0, 0)               = 0
[pid 15056] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15056] write(3, "1000", 4)         = 4
[pid 15056] close(3)                    = 0
[pid 15056] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15056] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15056] pipe2([3, 4], 0)            = 0
[pid 15056] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15056] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15056] sync()                      = 0
[pid 15056] exit_group(0)               = ?
[pid 15056] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15056, si_uid=0, si_status=0, si_utime=1, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15057
./strace-static-x86_64: Process 15057 attached
[pid 15057] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15057] setpgid(0, 0)               = 0
[pid 15057] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15057] write(3, "1000", 4)         = 4
[pid 15057] close(3)                    = 0
[pid 15057] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15057] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15057] pipe2([3, 4], 0)            = 0
[pid 15057] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15057] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15057] sync()                      = 0
[pid 15057] exit_group(0)               = ?
[pid 15057] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15057, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15058 attached
, child_tidptr=0x555555bcb690) = 15058
[pid 15058] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15058] setpgid(0, 0)               = 0
[pid 15058] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15058] write(3, "1000", 4)         = 4
[pid 15058] close(3)                    = 0
[pid 15058] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15058] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15058] pipe2([3, 4], 0)            = 0
[pid 15058] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15058] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15058] sync()                      = 0
[pid 15058] exit_group(0)               = ?
[pid 15058] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15058, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15059 attached
, child_tidptr=0x555555bcb690) = 15059
[pid 15059] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15059] setpgid(0, 0)               = 0
[pid 15059] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15059] write(3, "1000", 4)         = 4
[pid 15059] close(3)                    = 0
[pid 15059] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15059] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15059] pipe2([3, 4], 0)            = 0
[pid 15059] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15059] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15059] sync()                      = 0
[pid 15059] exit_group(0)               = ?
[pid 15059] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15059, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15060 attached
, child_tidptr=0x555555bcb690) = 15060
[pid 15060] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15060] setpgid(0, 0)               = 0
[pid 15060] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15060] write(3, "1000", 4)         = 4
[pid 15060] close(3)                    = 0
[pid 15060] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15060] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15060] pipe2([3, 4], 0)            = 0
[pid 15060] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15060] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15060] sync()                      = 0
[pid 15060] exit_group(0)               = ?
[pid 15060] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15060, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15061 attached
, child_tidptr=0x555555bcb690) = 15061
[pid 15061] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15061] setpgid(0, 0)               = 0
[pid 15061] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15061] write(3, "1000", 4)         = 4
[pid 15061] close(3)                    = 0
[pid 15061] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15061] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15061] pipe2([3, 4], 0)            = 0
[pid 15061] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15061] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15061] sync()                      = 0
[pid 15061] exit_group(0)               = ?
[pid 15061] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15061, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15062 attached
, child_tidptr=0x555555bcb690) = 15062
[pid 15062] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15062] setpgid(0, 0)               = 0
[pid 15062] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15062] write(3, "1000", 4)         = 4
[pid 15062] close(3)                    = 0
[pid 15062] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15062] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15062] pipe2([3, 4], 0)            = 0
[pid 15062] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15062] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15062] sync()                      = 0
[pid 15062] exit_group(0)               = ?
[pid 15062] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15062, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15063 attached
, child_tidptr=0x555555bcb690) = 15063
[pid 15063] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15063] setpgid(0, 0)               = 0
[pid 15063] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15063] write(3, "1000", 4)         = 4
[pid 15063] close(3)                    = 0
[pid 15063] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15063] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15063] pipe2([3, 4], 0)            = 0
[pid 15063] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15063] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15063] sync()                      = 0
[pid 15063] exit_group(0)               = ?
[pid 15063] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15063, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15064
./strace-static-x86_64: Process 15064 attached
[pid 15064] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15064] setpgid(0, 0)               = 0
[pid 15064] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15064] write(3, "1000", 4)         = 4
[pid 15064] close(3)                    = 0
[pid 15064] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15064] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15064] pipe2([3, 4], 0)            = 0
[pid 15064] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15064] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15064] sync()                      = 0
[pid 15064] exit_group(0)               = ?
[pid 15064] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15064, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15065
./strace-static-x86_64: Process 15065 attached
[pid 15065] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15065] setpgid(0, 0)               = 0
[pid 15065] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15065] write(3, "1000", 4)         = 4
[pid 15065] close(3)                    = 0
[pid 15065] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15065] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15065] pipe2([3, 4], 0)            = 0
[pid 15065] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15065] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15065] sync()                      = 0
[pid 15065] exit_group(0)               = ?
[pid 15065] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15065, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15066
./strace-static-x86_64: Process 15066 attached
[pid 15066] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15066] setpgid(0, 0)               = 0
[pid 15066] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15066] write(3, "1000", 4)         = 4
[pid 15066] close(3)                    = 0
[pid 15066] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15066] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15066] pipe2([3, 4], 0)            = 0
[pid 15066] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15066] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15066] sync()                      = 0
[pid 15066] exit_group(0)               = ?
[pid 15066] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15066, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15067 attached
, child_tidptr=0x555555bcb690) = 15067
[pid 15067] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15067] setpgid(0, 0)               = 0
[pid 15067] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15067] write(3, "1000", 4)         = 4
[pid 15067] close(3)                    = 0
[pid 15067] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15067] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15067] pipe2([3, 4], 0)            = 0
[pid 15067] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15067] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15067] sync()                      = 0
[pid 15067] exit_group(0)               = ?
[pid 15067] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15067, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15068 attached
, child_tidptr=0x555555bcb690) = 15068
[pid 15068] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15068] setpgid(0, 0)               = 0
[pid 15068] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15068] write(3, "1000", 4)         = 4
[pid 15068] close(3)                    = 0
[pid 15068] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15068] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15068] pipe2([3, 4], 0)            = 0
[pid 15068] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15068] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15068] sync()                      = 0
[pid 15068] exit_group(0)               = ?
[pid 15068] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15068, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15069
./strace-static-x86_64: Process 15069 attached
[pid 15069] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15069] setpgid(0, 0)               = 0
[pid 15069] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15069] write(3, "1000", 4)         = 4
[pid 15069] close(3)                    = 0
[pid 15069] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15069] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15069] pipe2([3, 4], 0)            = 0
[pid 15069] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15069] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15069] sync()                      = 0
[pid 15069] exit_group(0)               = ?
[pid 15069] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15069, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15070 attached
, child_tidptr=0x555555bcb690) = 15070
[pid 15070] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15070] setpgid(0, 0)               = 0
[pid 15070] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15070] write(3, "1000", 4)         = 4
[pid 15070] close(3)                    = 0
[pid 15070] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15070] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15070] pipe2([3, 4], 0)            = 0
[pid 15070] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15070] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15070] sync()                      = 0
[pid 15070] exit_group(0)               = ?
[pid 15070] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15070, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15071 attached
, child_tidptr=0x555555bcb690) = 15071
[pid 15071] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15071] setpgid(0, 0)               = 0
[pid 15071] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15071] write(3, "1000", 4)         = 4
[pid 15071] close(3)                    = 0
[pid 15071] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15071] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15071] pipe2([3, 4], 0)            = 0
[pid 15071] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15071] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15071] sync()                      = 0
[pid 15071] exit_group(0)               = ?
[pid 15071] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15071, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15072 attached
, child_tidptr=0x555555bcb690) = 15072
[pid 15072] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15072] setpgid(0, 0)               = 0
[pid 15072] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15072] write(3, "1000", 4)         = 4
[pid 15072] close(3)                    = 0
[pid 15072] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15072] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15072] pipe2([3, 4], 0)            = 0
[pid 15072] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15072] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15072] sync()                      = 0
[pid 15072] exit_group(0)               = ?
[pid 15072] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15072, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15073 attached
, child_tidptr=0x555555bcb690) = 15073
[pid 15073] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15073] setpgid(0, 0)               = 0
[pid 15073] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15073] write(3, "1000", 4)         = 4
[pid 15073] close(3)                    = 0
[pid 15073] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15073] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15073] pipe2([3, 4], 0)            = 0
[pid 15073] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15073] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15073] sync()                      = 0
[pid 15073] exit_group(0)               = ?
[pid 15073] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15073, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15074
./strace-static-x86_64: Process 15074 attached
[pid 15074] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15074] setpgid(0, 0)               = 0
[pid 15074] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15074] write(3, "1000", 4)         = 4
[pid 15074] close(3)                    = 0
[pid 15074] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15074] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15074] pipe2([3, 4], 0)            = 0
[pid 15074] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15074] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15074] sync()                      = 0
[pid 15074] exit_group(0)               = ?
[pid 15074] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15074, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15075 attached
, child_tidptr=0x555555bcb690) = 15075
[pid 15075] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15075] setpgid(0, 0)               = 0
[pid 15075] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15075] write(3, "1000", 4)         = 4
[pid 15075] close(3)                    = 0
[pid 15075] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15075] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15075] pipe2([3, 4], 0)            = 0
[pid 15075] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15075] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15075] sync()                      = 0
[pid 15075] exit_group(0)               = ?
[pid 15075] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15075, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15076
./strace-static-x86_64: Process 15076 attached
[pid 15076] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15076] setpgid(0, 0)               = 0
[pid 15076] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15076] write(3, "1000", 4)         = 4
[pid 15076] close(3)                    = 0
[pid 15076] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15076] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15076] pipe2([3, 4], 0)            = 0
[pid 15076] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15076] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15076] sync()                      = 0
[pid 15076] exit_group(0)               = ?
[pid 15076] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15076, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15077 attached
, child_tidptr=0x555555bcb690) = 15077
[pid 15077] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15077] setpgid(0, 0)               = 0
[pid 15077] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15077] write(3, "1000", 4)         = 4
[pid 15077] close(3)                    = 0
[pid 15077] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15077] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15077] pipe2([3, 4], 0)            = 0
[pid 15077] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15077] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15077] sync()                      = 0
[pid 15077] exit_group(0)               = ?
[pid 15077] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15077, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15078 attached
, child_tidptr=0x555555bcb690) = 15078
[pid 15078] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15078] setpgid(0, 0)               = 0
[pid 15078] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15078] write(3, "1000", 4)         = 4
[pid 15078] close(3)                    = 0
[pid 15078] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15078] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15078] pipe2([3, 4], 0)            = 0
[pid 15078] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15078] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15078] sync()                      = 0
[pid 15078] exit_group(0)               = ?
[pid 15078] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15078, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15079 attached
, child_tidptr=0x555555bcb690) = 15079
[pid 15079] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15079] setpgid(0, 0)               = 0
[pid 15079] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15079] write(3, "1000", 4)         = 4
[pid 15079] close(3)                    = 0
[pid 15079] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15079] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15079] pipe2([3, 4], 0)            = 0
[pid 15079] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15079] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15079] sync()                      = 0
[pid 15079] exit_group(0)               = ?
[pid 15079] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15079, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15080 attached
, child_tidptr=0x555555bcb690) = 15080
[pid 15080] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15080] setpgid(0, 0)               = 0
[pid 15080] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15080] write(3, "1000", 4)         = 4
[pid 15080] close(3)                    = 0
[pid 15080] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15080] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15080] pipe2([3, 4], 0)            = 0
[pid 15080] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15080] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15080] sync()                      = 0
[pid 15080] exit_group(0)               = ?
[pid 15080] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15080, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15081 attached
, child_tidptr=0x555555bcb690) = 15081
[pid 15081] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15081] setpgid(0, 0)               = 0
[pid 15081] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15081] write(3, "1000", 4)         = 4
[pid 15081] close(3)                    = 0
[pid 15081] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15081] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15081] pipe2([3, 4], 0)            = 0
[pid 15081] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15081] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15081] sync()                      = 0
[pid 15081] exit_group(0)               = ?
[pid 15081] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15081, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15082 attached
, child_tidptr=0x555555bcb690) = 15082
[pid 15082] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15082] setpgid(0, 0)               = 0
[pid 15082] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15082] write(3, "1000", 4)         = 4
[pid 15082] close(3)                    = 0
[pid 15082] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15082] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15082] pipe2([3, 4], 0)            = 0
[pid 15082] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15082] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15082] sync()                      = 0
[pid 15082] exit_group(0)               = ?
[pid 15082] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15082, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15083 attached
, child_tidptr=0x555555bcb690) = 15083
[pid 15083] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15083] setpgid(0, 0)               = 0
[pid 15083] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15083] write(3, "1000", 4)         = 4
[pid 15083] close(3)                    = 0
[pid 15083] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15083] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15083] pipe2([3, 4], 0)            = 0
[pid 15083] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15083] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15083] sync()                      = 0
[pid 15083] exit_group(0)               = ?
[pid 15083] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15083, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15084
./strace-static-x86_64: Process 15084 attached
[pid 15084] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15084] setpgid(0, 0)               = 0
[pid 15084] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15084] write(3, "1000", 4)         = 4
[pid 15084] close(3)                    = 0
[pid 15084] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15084] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15084] pipe2([3, 4], 0)            = 0
[pid 15084] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15084] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15084] sync()                      = 0
[pid 15084] exit_group(0)               = ?
[pid 15084] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15084, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15085 attached
, child_tidptr=0x555555bcb690) = 15085
[pid 15085] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15085] setpgid(0, 0)               = 0
[pid 15085] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15085] write(3, "1000", 4)         = 4
[pid 15085] close(3)                    = 0
[pid 15085] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15085] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15085] pipe2([3, 4], 0)            = 0
[pid 15085] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15085] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15085] sync()                      = 0
[pid 15085] exit_group(0)               = ?
[pid 15085] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15085, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15086 attached
, child_tidptr=0x555555bcb690) = 15086
[pid 15086] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15086] setpgid(0, 0)               = 0
[pid 15086] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15086] write(3, "1000", 4)         = 4
[pid 15086] close(3)                    = 0
[pid 15086] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15086] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15086] pipe2([3, 4], 0)            = 0
[pid 15086] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15086] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15086] sync()                      = 0
[pid 15086] exit_group(0)               = ?
[pid 15086] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15086, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15087
./strace-static-x86_64: Process 15087 attached
[pid 15087] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15087] setpgid(0, 0)               = 0
[pid 15087] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15087] write(3, "1000", 4)         = 4
[pid 15087] close(3)                    = 0
[pid 15087] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15087] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15087] pipe2([3, 4], 0)            = 0
[pid 15087] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15087] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15087] sync()                      = 0
[pid 15087] exit_group(0)               = ?
[pid 15087] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15087, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15088
./strace-static-x86_64: Process 15088 attached
[pid 15088] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15088] setpgid(0, 0)               = 0
[pid 15088] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15088] write(3, "1000", 4)         = 4
[pid 15088] close(3)                    = 0
[pid 15088] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15088] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15088] pipe2([3, 4], 0)            = 0
[pid 15088] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15088] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15088] sync()                      = 0
[pid 15088] exit_group(0)               = ?
[pid 15088] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15088, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15089 attached
, child_tidptr=0x555555bcb690) = 15089
[pid 15089] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15089] setpgid(0, 0)               = 0
[pid 15089] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15089] write(3, "1000", 4)         = 4
[pid 15089] close(3)                    = 0
[pid 15089] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15089] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15089] pipe2([3, 4], 0)            = 0
[pid 15089] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15089] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15089] sync()                      = 0
[pid 15089] exit_group(0)               = ?
[pid 15089] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15089, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15090
./strace-static-x86_64: Process 15090 attached
[pid 15090] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15090] setpgid(0, 0)               = 0
[pid 15090] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15090] write(3, "1000", 4)         = 4
[pid 15090] close(3)                    = 0
[pid 15090] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15090] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15090] pipe2([3, 4], 0)            = 0
[pid 15090] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15090] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15090] sync()                      = 0
[pid 15090] exit_group(0)               = ?
[pid 15090] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15090, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15091 attached
, child_tidptr=0x555555bcb690) = 15091
[pid 15091] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15091] setpgid(0, 0)               = 0
[pid 15091] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15091] write(3, "1000", 4)         = 4
[pid 15091] close(3)                    = 0
[pid 15091] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15091] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15091] pipe2([3, 4], 0)            = 0
[pid 15091] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15091] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15091] sync()                      = 0
[pid 15091] exit_group(0)               = ?
[pid 15091] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15091, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15092 attached
, child_tidptr=0x555555bcb690) = 15092
[pid 15092] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15092] setpgid(0, 0)               = 0
[pid 15092] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15092] write(3, "1000", 4)         = 4
[pid 15092] close(3)                    = 0
[pid 15092] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15092] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15092] pipe2([3, 4], 0)            = 0
[pid 15092] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15092] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15092] sync()                      = 0
[pid 15092] exit_group(0)               = ?
[pid 15092] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15092, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15093 attached
, child_tidptr=0x555555bcb690) = 15093
[pid 15093] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15093] setpgid(0, 0)               = 0
[pid 15093] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15093] write(3, "1000", 4)         = 4
[pid 15093] close(3)                    = 0
[pid 15093] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15093] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15093] pipe2([3, 4], 0)            = 0
[pid 15093] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15093] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15093] sync()                      = 0
[pid 15093] exit_group(0)               = ?
[pid 15093] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15093, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15094 attached
, child_tidptr=0x555555bcb690) = 15094
[pid 15094] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15094] setpgid(0, 0)               = 0
[pid 15094] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15094] write(3, "1000", 4)         = 4
[pid 15094] close(3)                    = 0
[pid 15094] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15094] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15094] pipe2([3, 4], 0)            = 0
[pid 15094] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15094] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15094] sync()                      = 0
[pid 15094] exit_group(0)               = ?
[pid 15094] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15094, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15095 attached
, child_tidptr=0x555555bcb690) = 15095
[pid 15095] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15095] setpgid(0, 0)               = 0
[pid 15095] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15095] write(3, "1000", 4)         = 4
[pid 15095] close(3)                    = 0
[pid 15095] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15095] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15095] pipe2([3, 4], 0)            = 0
[pid 15095] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15095] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15095] sync()                      = 0
[pid 15095] exit_group(0)               = ?
[pid 15095] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15095, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15096 attached
, child_tidptr=0x555555bcb690) = 15096
[pid 15096] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15096] setpgid(0, 0)               = 0
[pid 15096] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15096] write(3, "1000", 4)         = 4
[pid 15096] close(3)                    = 0
[pid 15096] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15096] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15096] pipe2([3, 4], 0)            = 0
[pid 15096] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15096] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15096] sync()                      = 0
[pid 15096] exit_group(0)               = ?
[pid 15096] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15096, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15097
./strace-static-x86_64: Process 15097 attached
[pid 15097] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15097] setpgid(0, 0)               = 0
[pid 15097] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15097] write(3, "1000", 4)         = 4
[pid 15097] close(3)                    = 0
[pid 15097] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15097] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15097] pipe2([3, 4], 0)            = 0
[pid 15097] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15097] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15097] sync()                      = 0
[pid 15097] exit_group(0)               = ?
[pid 15097] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15097, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15098 attached
, child_tidptr=0x555555bcb690) = 15098
[pid 15098] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15098] setpgid(0, 0)               = 0
[pid 15098] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15098] write(3, "1000", 4)         = 4
[pid 15098] close(3)                    = 0
[pid 15098] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15098] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15098] pipe2([3, 4], 0)            = 0
[pid 15098] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15098] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15098] sync()                      = 0
[pid 15098] exit_group(0)               = ?
[pid 15098] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15098, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15099 attached
, child_tidptr=0x555555bcb690) = 15099
[pid 15099] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15099] setpgid(0, 0)               = 0
[pid 15099] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15099] write(3, "1000", 4)         = 4
[pid 15099] close(3)                    = 0
[pid 15099] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15099] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15099] pipe2([3, 4], 0)            = 0
[pid 15099] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15099] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15099] sync()                      = 0
[pid 15099] exit_group(0)               = ?
[pid 15099] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15099, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15100
./strace-static-x86_64: Process 15100 attached
[pid 15100] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15100] setpgid(0, 0)               = 0
[pid 15100] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15100] write(3, "1000", 4)         = 4
[pid 15100] close(3)                    = 0
[pid 15100] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15100] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15100] pipe2([3, 4], 0)            = 0
[pid 15100] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15100] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15100] sync()                      = 0
[pid 15100] exit_group(0)               = ?
[pid 15100] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15100, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15101
./strace-static-x86_64: Process 15101 attached
[pid 15101] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15101] setpgid(0, 0)               = 0
[pid 15101] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15101] write(3, "1000", 4)         = 4
[pid 15101] close(3)                    = 0
[pid 15101] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15101] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15101] pipe2([3, 4], 0)            = 0
[pid 15101] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15101] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15101] sync()                      = 0
[pid 15101] exit_group(0)               = ?
[pid 15101] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15101, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15102 attached
, child_tidptr=0x555555bcb690) = 15102
[pid 15102] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15102] setpgid(0, 0)               = 0
[pid 15102] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15102] write(3, "1000", 4)         = 4
[pid 15102] close(3)                    = 0
[pid 15102] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15102] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15102] pipe2([3, 4], 0)            = 0
[pid 15102] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15102] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15102] sync()                      = 0
[pid 15102] exit_group(0)               = ?
[pid 15102] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15102, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15103 attached
, child_tidptr=0x555555bcb690) = 15103
[pid 15103] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15103] setpgid(0, 0)               = 0
[pid 15103] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15103] write(3, "1000", 4)         = 4
[pid 15103] close(3)                    = 0
[pid 15103] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15103] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15103] pipe2([3, 4], 0)            = 0
[pid 15103] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15103] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15103] sync()                      = 0
[pid 15103] exit_group(0)               = ?
[pid 15103] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15103, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15104 attached
, child_tidptr=0x555555bcb690) = 15104
[pid 15104] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15104] setpgid(0, 0)               = 0
[pid 15104] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15104] write(3, "1000", 4)         = 4
[pid 15104] close(3)                    = 0
[pid 15104] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15104] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15104] pipe2([3, 4], 0)            = 0
[pid 15104] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15104] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15104] sync()                      = 0
[pid 15104] exit_group(0)               = ?
[pid 15104] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15104, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15105 attached
, child_tidptr=0x555555bcb690) = 15105
[pid 15105] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15105] setpgid(0, 0)               = 0
[pid 15105] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15105] write(3, "1000", 4)         = 4
[pid 15105] close(3)                    = 0
[pid 15105] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15105] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15105] pipe2([3, 4], 0)            = 0
[pid 15105] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15105] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15105] sync()                      = 0
[pid 15105] exit_group(0)               = ?
[pid 15105] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15105, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15106 attached
, child_tidptr=0x555555bcb690) = 15106
[pid 15106] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15106] setpgid(0, 0)               = 0
[pid 15106] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15106] write(3, "1000", 4)         = 4
[pid 15106] close(3)                    = 0
[pid 15106] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15106] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15106] pipe2([3, 4], 0)            = 0
[pid 15106] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15106] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15106] sync()                      = 0
[pid 15106] exit_group(0)               = ?
[pid 15106] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15106, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15107 attached
, child_tidptr=0x555555bcb690) = 15107
[pid 15107] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15107] setpgid(0, 0)               = 0
[pid 15107] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15107] write(3, "1000", 4)         = 4
[pid 15107] close(3)                    = 0
[pid 15107] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15107] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15107] pipe2([3, 4], 0)            = 0
[pid 15107] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15107] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15107] sync()                      = 0
[pid 15107] exit_group(0)               = ?
[pid 15107] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15107, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15108 attached
, child_tidptr=0x555555bcb690) = 15108
[pid 15108] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15108] setpgid(0, 0)               = 0
[pid 15108] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15108] write(3, "1000", 4)         = 4
[pid 15108] close(3)                    = 0
[pid 15108] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15108] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15108] pipe2([3, 4], 0)            = 0
[pid 15108] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15108] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15108] sync()                      = 0
[pid 15108] exit_group(0)               = ?
[pid 15108] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15108, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15109 attached
, child_tidptr=0x555555bcb690) = 15109
[pid 15109] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15109] setpgid(0, 0)               = 0
[pid 15109] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15109] write(3, "1000", 4)         = 4
[pid 15109] close(3)                    = 0
[pid 15109] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15109] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15109] pipe2([3, 4], 0)            = 0
[pid 15109] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15109] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15109] sync()                      = 0
[pid 15109] exit_group(0)               = ?
[pid 15109] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15109, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15110
./strace-static-x86_64: Process 15110 attached
[pid 15110] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15110] setpgid(0, 0)               = 0
[pid 15110] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15110] write(3, "1000", 4)         = 4
[pid 15110] close(3)                    = 0
[pid 15110] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15110] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15110] pipe2([3, 4], 0)            = 0
[pid 15110] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15110] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15110] sync()                      = 0
[pid 15110] exit_group(0)               = ?
[pid 15110] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15110, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15111 attached
 <unfinished ...>
[pid 15111] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15111] setpgid(0, 0)               = 0
[pid 15111] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15111] write(3, "1000", 4)         = 4
[pid 15111] close(3)                    = 0
[pid 15111] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15111] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15111] pipe2([3, 4], 0)            = 0
[pid 15111] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15111] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," <unfinished ...>
[pid  3603] <... clone resumed>, child_tidptr=0x555555bcb690) = 15111
[pid 15111] <... mount resumed>)        = -1 EINVAL (Invalid argument)
[pid 15111] sync()                      = 0
[pid 15111] exit_group(0)               = ?
[pid 15111] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15111, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15112 attached
, child_tidptr=0x555555bcb690) = 15112
[pid 15112] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15112] setpgid(0, 0)               = 0
[pid 15112] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15112] write(3, "1000", 4)         = 4
[pid 15112] close(3)                    = 0
[pid 15112] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15112] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15112] pipe2([3, 4], 0)            = 0
[pid 15112] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15112] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15112] sync()                      = 0
[pid 15112] exit_group(0)               = ?
[pid 15112] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15112, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15113 attached
, child_tidptr=0x555555bcb690) = 15113
[pid 15113] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15113] setpgid(0, 0)               = 0
[pid 15113] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15113] write(3, "1000", 4)         = 4
[pid 15113] close(3)                    = 0
[pid 15113] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15113] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15113] pipe2([3, 4], 0)            = 0
[pid 15113] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15113] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15113] sync()                      = 0
[pid 15113] exit_group(0)               = ?
[pid 15113] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15113, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15114 attached
, child_tidptr=0x555555bcb690) = 15114
[pid 15114] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15114] setpgid(0, 0)               = 0
[pid 15114] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15114] write(3, "1000", 4)         = 4
[pid 15114] close(3)                    = 0
[pid 15114] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15114] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15114] pipe2([3, 4], 0)            = 0
[pid 15114] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15114] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15114] sync()                      = 0
[pid 15114] exit_group(0)               = ?
[pid 15114] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15114, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15115
./strace-static-x86_64: Process 15115 attached
[pid 15115] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15115] setpgid(0, 0)               = 0
[pid 15115] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15115] write(3, "1000", 4)         = 4
[pid 15115] close(3)                    = 0
[pid 15115] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15115] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15115] pipe2([3, 4], 0)            = 0
[pid 15115] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15115] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15115] sync()                      = 0
[pid 15115] exit_group(0)               = ?
[pid 15115] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15115, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15116 attached
, child_tidptr=0x555555bcb690) = 15116
[pid 15116] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15116] setpgid(0, 0)               = 0
[pid 15116] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15116] write(3, "1000", 4)         = 4
[pid 15116] close(3)                    = 0
[pid 15116] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15116] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15116] pipe2([3, 4], 0)            = 0
[pid 15116] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15116] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15116] sync()                      = 0
[pid 15116] exit_group(0)               = ?
[pid 15116] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15116, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15117 attached
, child_tidptr=0x555555bcb690) = 15117
[pid 15117] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15117] setpgid(0, 0)               = 0
[pid 15117] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15117] write(3, "1000", 4)         = 4
[pid 15117] close(3)                    = 0
[pid 15117] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15117] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15117] pipe2([3, 4], 0)            = 0
[pid 15117] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15117] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15117] sync()                      = 0
[pid 15117] exit_group(0)               = ?
[pid 15117] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15117, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15118
./strace-static-x86_64: Process 15118 attached
[pid 15118] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15118] setpgid(0, 0)               = 0
[pid 15118] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15118] write(3, "1000", 4)         = 4
[pid 15118] close(3)                    = 0
[pid 15118] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15118] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15118] pipe2([3, 4], 0)            = 0
[pid 15118] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15118] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15118] sync()                      = 0
[pid 15118] exit_group(0)               = ?
[pid 15118] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15118, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15119 attached
, child_tidptr=0x555555bcb690) = 15119
[pid 15119] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15119] setpgid(0, 0)               = 0
[pid 15119] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15119] write(3, "1000", 4)         = 4
[pid 15119] close(3)                    = 0
[pid 15119] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15119] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15119] pipe2([3, 4], 0)            = 0
[pid 15119] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15119] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15119] sync()                      = 0
[pid 15119] exit_group(0)               = ?
[pid 15119] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15119, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15120 attached
, child_tidptr=0x555555bcb690) = 15120
[pid 15120] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15120] setpgid(0, 0)               = 0
[pid 15120] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15120] write(3, "1000", 4)         = 4
[pid 15120] close(3)                    = 0
[pid 15120] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15120] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15120] pipe2([3, 4], 0)            = 0
[pid 15120] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15120] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15120] sync()                      = 0
[pid 15120] exit_group(0)               = ?
[pid 15120] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15120, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15121 attached
, child_tidptr=0x555555bcb690) = 15121
[pid 15121] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15121] setpgid(0, 0)               = 0
[pid 15121] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15121] write(3, "1000", 4)         = 4
[pid 15121] close(3)                    = 0
[pid 15121] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15121] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15121] pipe2([3, 4], 0)            = 0
[pid 15121] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15121] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15121] sync()                      = 0
[pid 15121] exit_group(0)               = ?
[pid 15121] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15121, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15122 attached
, child_tidptr=0x555555bcb690) = 15122
[pid 15122] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15122] setpgid(0, 0)               = 0
[pid 15122] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15122] write(3, "1000", 4)         = 4
[pid 15122] close(3)                    = 0
[pid 15122] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15122] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15122] pipe2([3, 4], 0)            = 0
[pid 15122] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15122] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15122] sync()                      = 0
[pid 15122] exit_group(0)               = ?
[pid 15122] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15122, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15123
./strace-static-x86_64: Process 15123 attached
[pid 15123] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15123] setpgid(0, 0)               = 0
[pid 15123] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15123] write(3, "1000", 4)         = 4
[pid 15123] close(3)                    = 0
[pid 15123] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15123] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15123] pipe2([3, 4], 0)            = 0
[pid 15123] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15123] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15123] sync()                      = 0
[pid 15123] exit_group(0)               = ?
[pid 15123] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15123, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15124 attached
, child_tidptr=0x555555bcb690) = 15124
[pid 15124] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15124] setpgid(0, 0)               = 0
[pid 15124] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15124] write(3, "1000", 4)         = 4
[pid 15124] close(3)                    = 0
[pid 15124] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15124] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15124] pipe2([3, 4], 0)            = 0
[pid 15124] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15124] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15124] sync()                      = 0
[pid 15124] exit_group(0)               = ?
[pid 15124] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15124, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15125 attached
, child_tidptr=0x555555bcb690) = 15125
[pid 15125] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15125] setpgid(0, 0)               = 0
[pid 15125] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15125] write(3, "1000", 4)         = 4
[pid 15125] close(3)                    = 0
[pid 15125] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15125] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15125] pipe2([3, 4], 0)            = 0
[pid 15125] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15125] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15125] sync()                      = 0
[pid 15125] exit_group(0)               = ?
[pid 15125] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15125, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15126 attached
, child_tidptr=0x555555bcb690) = 15126
[pid 15126] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15126] setpgid(0, 0)               = 0
[pid 15126] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15126] write(3, "1000", 4)         = 4
[pid 15126] close(3)                    = 0
[pid 15126] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15126] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15126] pipe2([3, 4], 0)            = 0
[pid 15126] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15126] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15126] sync()                      = 0
[pid 15126] exit_group(0)               = ?
[pid 15126] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15126, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15127 attached
, child_tidptr=0x555555bcb690) = 15127
[pid 15127] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15127] setpgid(0, 0)               = 0
[pid 15127] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15127] write(3, "1000", 4)         = 4
[pid 15127] close(3)                    = 0
[pid 15127] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15127] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15127] pipe2([3, 4], 0)            = 0
[pid 15127] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15127] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15127] sync()                      = 0
[pid 15127] exit_group(0)               = ?
[pid 15127] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15127, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15128
./strace-static-x86_64: Process 15128 attached
[pid 15128] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15128] setpgid(0, 0)               = 0
[pid 15128] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15128] write(3, "1000", 4)         = 4
[pid 15128] close(3)                    = 0
[pid 15128] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15128] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15128] pipe2([3, 4], 0)            = 0
[pid 15128] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15128] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15128] sync()                      = 0
[pid 15128] exit_group(0)               = ?
[pid 15128] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15128, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15129 attached
, child_tidptr=0x555555bcb690) = 15129
[pid 15129] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15129] setpgid(0, 0)               = 0
[pid 15129] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15129] write(3, "1000", 4)         = 4
[pid 15129] close(3)                    = 0
[pid 15129] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15129] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15129] pipe2([3, 4], 0)            = 0
[pid 15129] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15129] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15129] sync()                      = 0
[pid 15129] exit_group(0)               = ?
[pid 15129] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15129, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15130 attached
, child_tidptr=0x555555bcb690) = 15130
[pid 15130] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15130] setpgid(0, 0)               = 0
[pid 15130] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15130] write(3, "1000", 4)         = 4
[pid 15130] close(3)                    = 0
[pid 15130] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15130] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15130] pipe2([3, 4], 0)            = 0
[pid 15130] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15130] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15130] sync()                      = 0
[pid 15130] exit_group(0)               = ?
[pid 15130] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15130, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15131 attached
, child_tidptr=0x555555bcb690) = 15131
[pid 15131] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15131] setpgid(0, 0)               = 0
[pid 15131] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15131] write(3, "1000", 4)         = 4
[pid 15131] close(3)                    = 0
[pid 15131] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15131] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15131] pipe2([3, 4], 0)            = 0
[pid 15131] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15131] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15131] sync()                      = 0
[pid 15131] exit_group(0)               = ?
[pid 15131] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15131, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15132
./strace-static-x86_64: Process 15132 attached
[pid 15132] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15132] setpgid(0, 0)               = 0
[pid 15132] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15132] write(3, "1000", 4)         = 4
[pid 15132] close(3)                    = 0
[pid 15132] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15132] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15132] pipe2([3, 4], 0)            = 0
[pid 15132] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15132] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15132] sync()                      = 0
[pid 15132] exit_group(0)               = ?
[pid 15132] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15132, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15133
./strace-static-x86_64: Process 15133 attached
[pid 15133] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15133] setpgid(0, 0)               = 0
[pid 15133] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15133] write(3, "1000", 4)         = 4
[pid 15133] close(3)                    = 0
[pid 15133] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15133] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15133] pipe2([3, 4], 0)            = 0
[pid 15133] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15133] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15133] sync()                      = 0
[pid 15133] exit_group(0)               = ?
[pid 15133] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15133, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15134
./strace-static-x86_64: Process 15134 attached
[pid 15134] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15134] setpgid(0, 0)               = 0
[pid 15134] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15134] write(3, "1000", 4)         = 4
[pid 15134] close(3)                    = 0
[pid 15134] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15134] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15134] pipe2([3, 4], 0)            = 0
[pid 15134] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15134] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15134] sync()                      = 0
[pid 15134] exit_group(0)               = ?
[pid 15134] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15134, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15135 attached
, child_tidptr=0x555555bcb690) = 15135
[pid 15135] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15135] setpgid(0, 0)               = 0
[pid 15135] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15135] write(3, "1000", 4)         = 4
[pid 15135] close(3)                    = 0
[pid 15135] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15135] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15135] pipe2([3, 4], 0)            = 0
[pid 15135] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15135] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15135] sync()                      = 0
[pid 15135] exit_group(0)               = ?
[pid 15135] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15135, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15136 attached
, child_tidptr=0x555555bcb690) = 15136
[pid 15136] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15136] setpgid(0, 0)               = 0
[pid 15136] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15136] write(3, "1000", 4)         = 4
[pid 15136] close(3)                    = 0
[pid 15136] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15136] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15136] pipe2([3, 4], 0)            = 0
[pid 15136] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15136] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15136] sync()                      = 0
[pid 15136] exit_group(0)               = ?
[pid 15136] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15136, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15137
./strace-static-x86_64: Process 15137 attached
[pid 15137] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15137] setpgid(0, 0)               = 0
[pid 15137] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15137] write(3, "1000", 4)         = 4
[pid 15137] close(3)                    = 0
[pid 15137] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15137] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15137] pipe2([3, 4], 0)            = 0
[pid 15137] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15137] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15137] sync()                      = 0
[pid 15137] exit_group(0)               = ?
[pid 15137] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15137, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15138 attached
, child_tidptr=0x555555bcb690) = 15138
[pid 15138] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15138] setpgid(0, 0)               = 0
[pid 15138] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15138] write(3, "1000", 4)         = 4
[pid 15138] close(3)                    = 0
[pid 15138] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15138] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15138] pipe2([3, 4], 0)            = 0
[pid 15138] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15138] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15138] sync()                      = 0
[pid 15138] exit_group(0)               = ?
[pid 15138] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15138, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15139 attached
, child_tidptr=0x555555bcb690) = 15139
[pid 15139] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15139] setpgid(0, 0)               = 0
[pid 15139] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15139] write(3, "1000", 4)         = 4
[pid 15139] close(3)                    = 0
[pid 15139] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15139] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15139] pipe2([3, 4], 0)            = 0
[pid 15139] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15139] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15139] sync()                      = 0
[pid 15139] exit_group(0)               = ?
[pid 15139] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15139, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15140
./strace-static-x86_64: Process 15140 attached
[pid 15140] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15140] setpgid(0, 0)               = 0
[pid 15140] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15140] write(3, "1000", 4)         = 4
[pid 15140] close(3)                    = 0
[pid 15140] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15140] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15140] pipe2([3, 4], 0)            = 0
[pid 15140] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15140] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15140] sync()                      = 0
[pid 15140] exit_group(0)               = ?
[pid 15140] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15140, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15141
./strace-static-x86_64: Process 15141 attached
[pid 15141] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15141] setpgid(0, 0)               = 0
[pid 15141] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15141] write(3, "1000", 4)         = 4
[pid 15141] close(3)                    = 0
[pid 15141] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15141] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15141] pipe2([3, 4], 0)            = 0
[pid 15141] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15141] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15141] sync()                      = 0
[pid 15141] exit_group(0)               = ?
[pid 15141] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15141, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15142 attached
, child_tidptr=0x555555bcb690) = 15142
[pid 15142] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15142] setpgid(0, 0)               = 0
[pid 15142] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15142] write(3, "1000", 4)         = 4
[pid 15142] close(3)                    = 0
[pid 15142] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15142] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15142] pipe2([3, 4], 0)            = 0
[pid 15142] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15142] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15142] sync()                      = 0
[pid 15142] exit_group(0)               = ?
[pid 15142] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15142, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15143 attached
, child_tidptr=0x555555bcb690) = 15143
[pid 15143] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15143] setpgid(0, 0)               = 0
[pid 15143] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15143] write(3, "1000", 4)         = 4
[pid 15143] close(3)                    = 0
[pid 15143] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15143] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15143] pipe2([3, 4], 0)            = 0
[pid 15143] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15143] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15143] sync()                      = 0
[pid 15143] exit_group(0)               = ?
[pid 15143] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15143, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15144 attached
, child_tidptr=0x555555bcb690) = 15144
[pid 15144] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15144] setpgid(0, 0)               = 0
[pid 15144] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15144] write(3, "1000", 4)         = 4
[pid 15144] close(3)                    = 0
[pid 15144] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15144] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15144] pipe2([3, 4], 0)            = 0
[pid 15144] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15144] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15144] sync()                      = 0
[pid 15144] exit_group(0)               = ?
[pid 15144] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15144, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15145 attached
, child_tidptr=0x555555bcb690) = 15145
[pid 15145] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15145] setpgid(0, 0)               = 0
[pid 15145] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15145] write(3, "1000", 4)         = 4
[pid 15145] close(3)                    = 0
[pid 15145] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15145] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15145] pipe2([3, 4], 0)            = 0
[pid 15145] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15145] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15145] sync()                      = 0
[pid 15145] exit_group(0)               = ?
[pid 15145] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15145, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15146 attached
, child_tidptr=0x555555bcb690) = 15146
[pid 15146] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15146] setpgid(0, 0)               = 0
[pid 15146] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15146] write(3, "1000", 4)         = 4
[pid 15146] close(3)                    = 0
[pid 15146] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15146] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15146] pipe2([3, 4], 0)            = 0
[pid 15146] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15146] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15146] sync()                      = 0
[pid 15146] exit_group(0)               = ?
[pid 15146] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15146, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15147 attached
, child_tidptr=0x555555bcb690) = 15147
[pid 15147] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15147] setpgid(0, 0)               = 0
[pid 15147] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15147] write(3, "1000", 4)         = 4
[pid 15147] close(3)                    = 0
[pid 15147] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15147] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15147] pipe2([3, 4], 0)            = 0
[pid 15147] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15147] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15147] sync()                      = 0
[pid 15147] exit_group(0)               = ?
[pid 15147] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15147, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15148
./strace-static-x86_64: Process 15148 attached
[pid 15148] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15148] setpgid(0, 0)               = 0
[pid 15148] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15148] write(3, "1000", 4)         = 4
[pid 15148] close(3)                    = 0
[pid 15148] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15148] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15148] pipe2([3, 4], 0)            = 0
[pid 15148] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15148] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15148] sync()                      = 0
[pid 15148] exit_group(0)               = ?
[pid 15148] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15148, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15149
./strace-static-x86_64: Process 15149 attached
[pid 15149] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15149] setpgid(0, 0)               = 0
[pid 15149] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15149] write(3, "1000", 4)         = 4
[pid 15149] close(3)                    = 0
[pid 15149] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15149] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15149] pipe2([3, 4], 0)            = 0
[pid 15149] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15149] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15149] sync()                      = 0
[pid 15149] exit_group(0)               = ?
[pid 15149] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15149, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15150
./strace-static-x86_64: Process 15150 attached
[pid 15150] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15150] setpgid(0, 0)               = 0
[pid 15150] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15150] write(3, "1000", 4)         = 4
[pid 15150] close(3)                    = 0
[pid 15150] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15150] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15150] pipe2([3, 4], 0)            = 0
[pid 15150] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15150] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15150] sync()                      = 0
[pid 15150] exit_group(0)               = ?
[pid 15150] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15150, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15151
./strace-static-x86_64: Process 15151 attached
[pid 15151] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15151] setpgid(0, 0)               = 0
[pid 15151] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15151] write(3, "1000", 4)         = 4
[pid 15151] close(3)                    = 0
[pid 15151] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15151] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15151] pipe2([3, 4], 0)            = 0
[pid 15151] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15151] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15151] sync()                      = 0
[pid 15151] exit_group(0)               = ?
[pid 15151] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15151, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15152
./strace-static-x86_64: Process 15152 attached
[pid 15152] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15152] setpgid(0, 0)               = 0
[pid 15152] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15152] write(3, "1000", 4)         = 4
[pid 15152] close(3)                    = 0
[pid 15152] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15152] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15152] pipe2([3, 4], 0)            = 0
[pid 15152] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15152] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15152] sync()                      = 0
[pid 15152] exit_group(0)               = ?
[pid 15152] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15152, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15153 attached
, child_tidptr=0x555555bcb690) = 15153
[pid 15153] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15153] setpgid(0, 0)               = 0
[pid 15153] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15153] write(3, "1000", 4)         = 4
[pid 15153] close(3)                    = 0
[pid 15153] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15153] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15153] pipe2([3, 4], 0)            = 0
[pid 15153] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15153] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15153] sync()                      = 0
[pid 15153] exit_group(0)               = ?
[pid 15153] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15153, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15154 attached
, child_tidptr=0x555555bcb690) = 15154
[pid 15154] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15154] setpgid(0, 0)               = 0
[pid 15154] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15154] write(3, "1000", 4)         = 4
[pid 15154] close(3)                    = 0
[pid 15154] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15154] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15154] pipe2([3, 4], 0)            = 0
[pid 15154] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15154] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15154] sync()                      = 0
[pid 15154] exit_group(0)               = ?
[pid 15154] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15154, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15155
./strace-static-x86_64: Process 15155 attached
[pid 15155] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15155] setpgid(0, 0)               = 0
[pid 15155] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15155] write(3, "1000", 4)         = 4
[pid 15155] close(3)                    = 0
[pid 15155] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15155] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15155] pipe2([3, 4], 0)            = 0
[pid 15155] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15155] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15155] sync()                      = 0
[pid 15155] exit_group(0)               = ?
[pid 15155] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15155, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15156
./strace-static-x86_64: Process 15156 attached
[pid 15156] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15156] setpgid(0, 0)               = 0
[pid 15156] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15156] write(3, "1000", 4)         = 4
[pid 15156] close(3)                    = 0
[pid 15156] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15156] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15156] pipe2([3, 4], 0)            = 0
[pid 15156] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15156] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15156] sync()                      = 0
[pid 15156] exit_group(0)               = ?
[pid 15156] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15156, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15157
./strace-static-x86_64: Process 15157 attached
[pid 15157] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15157] setpgid(0, 0)               = 0
[pid 15157] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15157] write(3, "1000", 4)         = 4
[pid 15157] close(3)                    = 0
[pid 15157] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15157] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15157] pipe2([3, 4], 0)            = 0
[pid 15157] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15157] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15157] sync()                      = 0
[pid 15157] exit_group(0)               = ?
[pid 15157] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15157, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15158
./strace-static-x86_64: Process 15158 attached
[pid 15158] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15158] setpgid(0, 0)               = 0
[pid 15158] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15158] write(3, "1000", 4)         = 4
[pid 15158] close(3)                    = 0
[pid 15158] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15158] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15158] pipe2([3, 4], 0)            = 0
[pid 15158] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15158] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15158] sync()                      = 0
[pid 15158] exit_group(0)               = ?
[pid 15158] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15158, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15159
./strace-static-x86_64: Process 15159 attached
[pid 15159] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15159] setpgid(0, 0)               = 0
[pid 15159] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15159] write(3, "1000", 4)         = 4
[pid 15159] close(3)                    = 0
[pid 15159] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15159] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15159] pipe2([3, 4], 0)            = 0
[pid 15159] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15159] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15159] sync()                      = 0
[pid 15159] exit_group(0)               = ?
[pid 15159] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15159, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15160
./strace-static-x86_64: Process 15160 attached
[pid 15160] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15160] setpgid(0, 0)               = 0
[pid 15160] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15160] write(3, "1000", 4)         = 4
[pid 15160] close(3)                    = 0
[pid 15160] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15160] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15160] pipe2([3, 4], 0)            = 0
[pid 15160] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15160] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15160] sync()                      = 0
[pid 15160] exit_group(0)               = ?
[pid 15160] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15160, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15161 attached
, child_tidptr=0x555555bcb690) = 15161
[pid 15161] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15161] setpgid(0, 0)               = 0
[pid 15161] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15161] write(3, "1000", 4)         = 4
[pid 15161] close(3)                    = 0
[pid 15161] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15161] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15161] pipe2([3, 4], 0)            = 0
[pid 15161] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15161] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15161] sync()                      = 0
[pid 15161] exit_group(0)               = ?
[pid 15161] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15161, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15162 attached
, child_tidptr=0x555555bcb690) = 15162
[pid 15162] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15162] setpgid(0, 0)               = 0
[pid 15162] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15162] write(3, "1000", 4)         = 4
[pid 15162] close(3)                    = 0
[pid 15162] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15162] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15162] pipe2([3, 4], 0)            = 0
[pid 15162] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15162] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15162] sync()                      = 0
[pid 15162] exit_group(0)               = ?
[pid 15162] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15162, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15163
./strace-static-x86_64: Process 15163 attached
[pid 15163] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15163] setpgid(0, 0)               = 0
[pid 15163] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15163] write(3, "1000", 4)         = 4
[pid 15163] close(3)                    = 0
[pid 15163] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15163] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15163] pipe2([3, 4], 0)            = 0
[pid 15163] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15163] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15163] sync()                      = 0
[pid 15163] exit_group(0)               = ?
[pid 15163] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15163, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15164 attached
, child_tidptr=0x555555bcb690) = 15164
[pid 15164] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15164] setpgid(0, 0)               = 0
[pid 15164] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15164] write(3, "1000", 4)         = 4
[pid 15164] close(3)                    = 0
[pid 15164] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15164] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15164] pipe2([3, 4], 0)            = 0
[pid 15164] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15164] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15164] sync()                      = 0
[pid 15164] exit_group(0)               = ?
[pid 15164] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15164, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15165 attached
, child_tidptr=0x555555bcb690) = 15165
[pid 15165] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15165] setpgid(0, 0)               = 0
[pid 15165] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15165] write(3, "1000", 4)         = 4
[pid 15165] close(3)                    = 0
[pid 15165] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15165] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15165] pipe2([3, 4], 0)            = 0
[pid 15165] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15165] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15165] sync()                      = 0
[pid 15165] exit_group(0)               = ?
[pid 15165] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15165, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15166 attached
, child_tidptr=0x555555bcb690) = 15166
[pid 15166] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15166] setpgid(0, 0)               = 0
[pid 15166] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15166] write(3, "1000", 4)         = 4
[pid 15166] close(3)                    = 0
[pid 15166] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15166] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15166] pipe2([3, 4], 0)            = 0
[pid 15166] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15166] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15166] sync()                      = 0
[pid 15166] exit_group(0)               = ?
[pid 15166] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15166, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15167 attached
, child_tidptr=0x555555bcb690) = 15167
[pid 15167] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15167] setpgid(0, 0)               = 0
[pid 15167] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15167] write(3, "1000", 4)         = 4
[pid 15167] close(3)                    = 0
[pid 15167] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15167] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15167] pipe2([3, 4], 0)            = 0
[pid 15167] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15167] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15167] sync()                      = 0
[pid 15167] exit_group(0)               = ?
[pid 15167] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15167, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15168 attached
, child_tidptr=0x555555bcb690) = 15168
[pid 15168] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15168] setpgid(0, 0)               = 0
[pid 15168] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15168] write(3, "1000", 4)         = 4
[pid 15168] close(3)                    = 0
[pid 15168] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15168] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15168] pipe2([3, 4], 0)            = 0
[pid 15168] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15168] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15168] sync()                      = 0
[pid 15168] exit_group(0)               = ?
[pid 15168] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15168, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15169 attached
, child_tidptr=0x555555bcb690) = 15169
[pid 15169] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15169] setpgid(0, 0)               = 0
[pid 15169] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15169] write(3, "1000", 4)         = 4
[pid 15169] close(3)                    = 0
[pid 15169] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15169] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15169] pipe2([3, 4], 0)            = 0
[pid 15169] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15169] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15169] sync()                      = 0
[pid 15169] exit_group(0)               = ?
[pid 15169] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15169, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15170 attached
, child_tidptr=0x555555bcb690) = 15170
[pid 15170] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15170] setpgid(0, 0)               = 0
[pid 15170] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15170] write(3, "1000", 4)         = 4
[pid 15170] close(3)                    = 0
[pid 15170] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15170] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15170] pipe2([3, 4], 0)            = 0
[pid 15170] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15170] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15170] sync()                      = 0
[pid 15170] exit_group(0)               = ?
[pid 15170] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15170, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15171 attached
, child_tidptr=0x555555bcb690) = 15171
[pid 15171] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15171] setpgid(0, 0)               = 0
[pid 15171] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15171] write(3, "1000", 4)         = 4
[pid 15171] close(3)                    = 0
[pid 15171] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15171] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15171] pipe2([3, 4], 0)            = 0
[pid 15171] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15171] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15171] sync()                      = 0
[pid 15171] exit_group(0)               = ?
[pid 15171] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15171, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15172
./strace-static-x86_64: Process 15172 attached
[pid 15172] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15172] setpgid(0, 0)               = 0
[pid 15172] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15172] write(3, "1000", 4)         = 4
[pid 15172] close(3)                    = 0
[pid 15172] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15172] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15172] pipe2([3, 4], 0)            = 0
[pid 15172] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15172] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15172] sync()                      = 0
[pid 15172] exit_group(0)               = ?
[pid 15172] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15172, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15173 attached
, child_tidptr=0x555555bcb690) = 15173
[pid 15173] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15173] setpgid(0, 0)               = 0
[pid 15173] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15173] write(3, "1000", 4)         = 4
[pid 15173] close(3)                    = 0
[pid 15173] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15173] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15173] pipe2([3, 4], 0)            = 0
[pid 15173] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15173] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15173] sync()                      = 0
[pid 15173] exit_group(0)               = ?
[pid 15173] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15173, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15174
./strace-static-x86_64: Process 15174 attached
[pid 15174] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15174] setpgid(0, 0)               = 0
[pid 15174] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15174] write(3, "1000", 4)         = 4
[pid 15174] close(3)                    = 0
[pid 15174] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15174] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15174] pipe2([3, 4], 0)            = 0
[pid 15174] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15174] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15174] sync()                      = 0
[pid 15174] exit_group(0)               = ?
[pid 15174] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15174, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15175 attached
, child_tidptr=0x555555bcb690) = 15175
[pid 15175] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15175] setpgid(0, 0)               = 0
[pid 15175] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15175] write(3, "1000", 4)         = 4
[pid 15175] close(3)                    = 0
[pid 15175] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15175] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15175] pipe2([3, 4], 0)            = 0
[pid 15175] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15175] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15175] sync()                      = 0
[pid 15175] exit_group(0)               = ?
[pid 15175] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15175, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15176
./strace-static-x86_64: Process 15176 attached
[pid 15176] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15176] setpgid(0, 0)               = 0
[pid 15176] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15176] write(3, "1000", 4)         = 4
[pid 15176] close(3)                    = 0
[pid 15176] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15176] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15176] pipe2([3, 4], 0)            = 0
[pid 15176] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15176] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15176] sync()                      = 0
[pid 15176] exit_group(0)               = ?
[pid 15176] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15176, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15177
./strace-static-x86_64: Process 15177 attached
[pid 15177] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15177] setpgid(0, 0)               = 0
[pid 15177] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15177] write(3, "1000", 4)         = 4
[pid 15177] close(3)                    = 0
[pid 15177] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15177] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15177] pipe2([3, 4], 0)            = 0
[pid 15177] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15177] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15177] sync()                      = 0
[pid 15177] exit_group(0)               = ?
[pid 15177] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15177, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15178 attached
, child_tidptr=0x555555bcb690) = 15178
[pid 15178] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15178] setpgid(0, 0)               = 0
[pid 15178] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15178] write(3, "1000", 4)         = 4
[pid 15178] close(3)                    = 0
[pid 15178] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15178] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15178] pipe2([3, 4], 0)            = 0
[pid 15178] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15178] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15178] sync()                      = 0
[pid 15178] exit_group(0)               = ?
[pid 15178] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15178, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15179
./strace-static-x86_64: Process 15179 attached
[pid 15179] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15179] setpgid(0, 0)               = 0
[pid 15179] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15179] write(3, "1000", 4)         = 4
[pid 15179] close(3)                    = 0
[pid 15179] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15179] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15179] pipe2([3, 4], 0)            = 0
[pid 15179] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15179] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15179] sync()                      = 0
[pid 15179] exit_group(0)               = ?
[pid 15179] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15179, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15180 attached
, child_tidptr=0x555555bcb690) = 15180
[pid 15180] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15180] setpgid(0, 0)               = 0
[pid 15180] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15180] write(3, "1000", 4)         = 4
[pid 15180] close(3)                    = 0
[pid 15180] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15180] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15180] pipe2([3, 4], 0)            = 0
[pid 15180] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15180] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15180] sync()                      = 0
[pid 15180] exit_group(0)               = ?
[pid 15180] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15180, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15181
./strace-static-x86_64: Process 15181 attached
[pid 15181] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15181] setpgid(0, 0)               = 0
[pid 15181] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15181] write(3, "1000", 4)         = 4
[pid 15181] close(3)                    = 0
[pid 15181] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15181] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15181] pipe2([3, 4], 0)            = 0
[pid 15181] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15181] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15181] sync()                      = 0
[pid 15181] exit_group(0)               = ?
[pid 15181] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15181, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15182 attached
, child_tidptr=0x555555bcb690) = 15182
[pid 15182] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15182] setpgid(0, 0)               = 0
[pid 15182] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15182] write(3, "1000", 4)         = 4
[pid 15182] close(3)                    = 0
[pid 15182] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15182] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15182] pipe2([3, 4], 0)            = 0
[pid 15182] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15182] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15182] sync()                      = 0
[pid 15182] exit_group(0)               = ?
[pid 15182] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15182, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15183 attached
, child_tidptr=0x555555bcb690) = 15183
[pid 15183] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15183] setpgid(0, 0)               = 0
[pid 15183] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15183] write(3, "1000", 4)         = 4
[pid 15183] close(3)                    = 0
[pid 15183] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15183] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15183] pipe2([3, 4], 0)            = 0
[pid 15183] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15183] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15183] sync()                      = 0
[pid 15183] exit_group(0)               = ?
[pid 15183] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15183, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15184
./strace-static-x86_64: Process 15184 attached
[pid 15184] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15184] setpgid(0, 0)               = 0
[pid 15184] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15184] write(3, "1000", 4)         = 4
[pid 15184] close(3)                    = 0
[pid 15184] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15184] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15184] pipe2([3, 4], 0)            = 0
[pid 15184] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15184] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15184] sync()                      = 0
[pid 15184] exit_group(0)               = ?
[pid 15184] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15184, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15185 attached
, child_tidptr=0x555555bcb690) = 15185
[pid 15185] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15185] setpgid(0, 0)               = 0
[pid 15185] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15185] write(3, "1000", 4)         = 4
[pid 15185] close(3)                    = 0
[pid 15185] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15185] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15185] pipe2([3, 4], 0)            = 0
[pid 15185] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15185] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15185] sync()                      = 0
[pid 15185] exit_group(0)               = ?
[pid 15185] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15185, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15186 attached
, child_tidptr=0x555555bcb690) = 15186
[pid 15186] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15186] setpgid(0, 0)               = 0
[pid 15186] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15186] write(3, "1000", 4)         = 4
[pid 15186] close(3)                    = 0
[pid 15186] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15186] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15186] pipe2([3, 4], 0)            = 0
[pid 15186] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15186] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15186] sync()                      = 0
[pid 15186] exit_group(0)               = ?
[pid 15186] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15186, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15187 attached
, child_tidptr=0x555555bcb690) = 15187
[pid 15187] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15187] setpgid(0, 0)               = 0
[pid 15187] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15187] write(3, "1000", 4)         = 4
[pid 15187] close(3)                    = 0
[pid 15187] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15187] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15187] pipe2([3, 4], 0)            = 0
[pid 15187] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15187] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15187] sync()                      = 0
[pid 15187] exit_group(0)               = ?
[pid 15187] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15187, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15188 attached
, child_tidptr=0x555555bcb690) = 15188
[pid 15188] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15188] setpgid(0, 0)               = 0
[pid 15188] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15188] write(3, "1000", 4)         = 4
[pid 15188] close(3)                    = 0
[pid 15188] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15188] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15188] pipe2([3, 4], 0)            = 0
[pid 15188] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15188] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15188] sync()                      = 0
[pid 15188] exit_group(0)               = ?
[pid 15188] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15188, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15189 attached
, child_tidptr=0x555555bcb690) = 15189
[pid 15189] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15189] setpgid(0, 0)               = 0
[pid 15189] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15189] write(3, "1000", 4)         = 4
[pid 15189] close(3)                    = 0
[pid 15189] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15189] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15189] pipe2([3, 4], 0)            = 0
[pid 15189] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15189] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15189] sync()                      = 0
[pid 15189] exit_group(0)               = ?
[pid 15189] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15189, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15190 attached
, child_tidptr=0x555555bcb690) = 15190
[pid 15190] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15190] setpgid(0, 0)               = 0
[pid 15190] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15190] write(3, "1000", 4)         = 4
[pid 15190] close(3)                    = 0
[pid 15190] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15190] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15190] pipe2([3, 4], 0)            = 0
[pid 15190] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15190] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15190] sync()                      = 0
[pid 15190] exit_group(0)               = ?
[pid 15190] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15190, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15191
./strace-static-x86_64: Process 15191 attached
[pid 15191] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15191] setpgid(0, 0)               = 0
[pid 15191] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15191] write(3, "1000", 4)         = 4
[pid 15191] close(3)                    = 0
[pid 15191] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15191] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15191] pipe2([3, 4], 0)            = 0
[pid 15191] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15191] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15191] sync()                      = 0
[pid 15191] exit_group(0)               = ?
[pid 15191] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15191, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15192 attached
, child_tidptr=0x555555bcb690) = 15192
[pid 15192] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15192] setpgid(0, 0)               = 0
[pid 15192] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15192] write(3, "1000", 4)         = 4
[pid 15192] close(3)                    = 0
[pid 15192] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15192] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15192] pipe2([3, 4], 0)            = 0
[pid 15192] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15192] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15192] sync()                      = 0
[pid 15192] exit_group(0)               = ?
[pid 15192] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15192, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15193 attached
, child_tidptr=0x555555bcb690) = 15193
[pid 15193] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15193] setpgid(0, 0)               = 0
[pid 15193] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15193] write(3, "1000", 4)         = 4
[pid 15193] close(3)                    = 0
[pid 15193] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15193] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15193] pipe2([3, 4], 0)            = 0
[pid 15193] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15193] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15193] sync()                      = 0
[pid 15193] exit_group(0)               = ?
[pid 15193] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15193, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15194
./strace-static-x86_64: Process 15194 attached
[pid 15194] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15194] setpgid(0, 0)               = 0
[pid 15194] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15194] write(3, "1000", 4)         = 4
[pid 15194] close(3)                    = 0
[pid 15194] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15194] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15194] pipe2([3, 4], 0)            = 0
[pid 15194] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15194] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15194] sync()                      = 0
[pid 15194] exit_group(0)               = ?
[pid 15194] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15194, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15195
./strace-static-x86_64: Process 15195 attached
[pid 15195] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15195] setpgid(0, 0)               = 0
[pid 15195] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15195] write(3, "1000", 4)         = 4
[pid 15195] close(3)                    = 0
[pid 15195] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15195] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15195] pipe2([3, 4], 0)            = 0
[pid 15195] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15195] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15195] sync()                      = 0
[pid 15195] exit_group(0)               = ?
[pid 15195] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15195, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15196 attached
, child_tidptr=0x555555bcb690) = 15196
[pid 15196] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15196] setpgid(0, 0)               = 0
[pid 15196] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15196] write(3, "1000", 4)         = 4
[pid 15196] close(3)                    = 0
[pid 15196] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15196] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15196] pipe2([3, 4], 0)            = 0
[pid 15196] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15196] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15196] sync()                      = 0
[pid 15196] exit_group(0)               = ?
[pid 15196] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15196, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15197
./strace-static-x86_64: Process 15197 attached
[pid 15197] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15197] setpgid(0, 0)               = 0
[pid 15197] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15197] write(3, "1000", 4)         = 4
[pid 15197] close(3)                    = 0
[pid 15197] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15197] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15197] pipe2([3, 4], 0)            = 0
[pid 15197] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15197] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15197] sync()                      = 0
[pid 15197] exit_group(0)               = ?
[pid 15197] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15197, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15198
./strace-static-x86_64: Process 15198 attached
[pid 15198] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15198] setpgid(0, 0)               = 0
[pid 15198] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15198] write(3, "1000", 4)         = 4
[pid 15198] close(3)                    = 0
[pid 15198] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15198] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15198] pipe2([3, 4], 0)            = 0
[pid 15198] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15198] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15198] sync()                      = 0
[pid 15198] exit_group(0)               = ?
[pid 15198] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15198, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15199 attached
, child_tidptr=0x555555bcb690) = 15199
[pid 15199] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15199] setpgid(0, 0)               = 0
[pid 15199] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15199] write(3, "1000", 4)         = 4
[pid 15199] close(3)                    = 0
[pid 15199] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15199] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15199] pipe2([3, 4], 0)            = 0
[pid 15199] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15199] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15199] sync()                      = 0
[pid 15199] exit_group(0)               = ?
[pid 15199] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15199, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15200 attached
, child_tidptr=0x555555bcb690) = 15200
[pid 15200] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15200] setpgid(0, 0)               = 0
[pid 15200] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15200] write(3, "1000", 4)         = 4
[pid 15200] close(3)                    = 0
[pid 15200] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15200] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15200] pipe2([3, 4], 0)            = 0
[pid 15200] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15200] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15200] sync()                      = 0
[pid 15200] exit_group(0)               = ?
[pid 15200] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15200, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15201
./strace-static-x86_64: Process 15201 attached
[pid 15201] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15201] setpgid(0, 0)               = 0
[pid 15201] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15201] write(3, "1000", 4)         = 4
[pid 15201] close(3)                    = 0
[pid 15201] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15201] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15201] pipe2([3, 4], 0)            = 0
[pid 15201] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15201] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15201] sync()                      = 0
[pid 15201] exit_group(0)               = ?
[pid 15201] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15201, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15202 attached
, child_tidptr=0x555555bcb690) = 15202
[pid 15202] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15202] setpgid(0, 0)               = 0
[pid 15202] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15202] write(3, "1000", 4)         = 4
[pid 15202] close(3)                    = 0
[pid 15202] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15202] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15202] pipe2([3, 4], 0)            = 0
[pid 15202] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15202] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15202] sync()                      = 0
[pid 15202] exit_group(0)               = ?
[pid 15202] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15202, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15203 attached
, child_tidptr=0x555555bcb690) = 15203
[pid 15203] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15203] setpgid(0, 0)               = 0
[pid 15203] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15203] write(3, "1000", 4)         = 4
[pid 15203] close(3)                    = 0
[pid 15203] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15203] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15203] pipe2([3, 4], 0)            = 0
[pid 15203] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15203] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15203] sync()                      = 0
[pid 15203] exit_group(0)               = ?
[pid 15203] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15203, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15204
./strace-static-x86_64: Process 15204 attached
[pid 15204] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15204] setpgid(0, 0)               = 0
[pid 15204] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15204] write(3, "1000", 4)         = 4
[pid 15204] close(3)                    = 0
[pid 15204] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15204] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15204] pipe2([3, 4], 0)            = 0
[pid 15204] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15204] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15204] sync()                      = 0
[pid 15204] exit_group(0)               = ?
[pid 15204] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15204, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15205
./strace-static-x86_64: Process 15205 attached
[pid 15205] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15205] setpgid(0, 0)               = 0
[pid 15205] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15205] write(3, "1000", 4)         = 4
[pid 15205] close(3)                    = 0
[pid 15205] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15205] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15205] pipe2([3, 4], 0)            = 0
[pid 15205] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15205] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15205] sync()                      = 0
[pid 15205] exit_group(0)               = ?
[pid 15205] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15205, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15206 attached
, child_tidptr=0x555555bcb690) = 15206
[pid 15206] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15206] setpgid(0, 0)               = 0
[pid 15206] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15206] write(3, "1000", 4)         = 4
[pid 15206] close(3)                    = 0
[pid 15206] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15206] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15206] pipe2([3, 4], 0)            = 0
[pid 15206] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15206] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15206] sync()                      = 0
[pid 15206] exit_group(0)               = ?
[pid 15206] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15206, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15207 attached
, child_tidptr=0x555555bcb690) = 15207
[pid 15207] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15207] setpgid(0, 0)               = 0
[pid 15207] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15207] write(3, "1000", 4)         = 4
[pid 15207] close(3)                    = 0
[pid 15207] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15207] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15207] pipe2([3, 4], 0)            = 0
[pid 15207] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15207] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15207] sync()                      = 0
[pid 15207] exit_group(0)               = ?
[pid 15207] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15207, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15208 attached
, child_tidptr=0x555555bcb690) = 15208
[pid 15208] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15208] setpgid(0, 0)               = 0
[pid 15208] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15208] write(3, "1000", 4)         = 4
[pid 15208] close(3)                    = 0
[pid 15208] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15208] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15208] pipe2([3, 4], 0)            = 0
[pid 15208] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15208] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15208] sync()                      = 0
[pid 15208] exit_group(0)               = ?
[pid 15208] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15208, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15209
./strace-static-x86_64: Process 15209 attached
[pid 15209] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15209] setpgid(0, 0)               = 0
[pid 15209] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15209] write(3, "1000", 4)         = 4
[pid 15209] close(3)                    = 0
[pid 15209] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15209] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15209] pipe2([3, 4], 0)            = 0
[pid 15209] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15209] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15209] sync()                      = 0
[pid 15209] exit_group(0)               = ?
[pid 15209] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15209, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15210 attached
, child_tidptr=0x555555bcb690) = 15210
[pid 15210] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15210] setpgid(0, 0)               = 0
[pid 15210] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15210] write(3, "1000", 4)         = 4
[pid 15210] close(3)                    = 0
[pid 15210] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15210] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15210] pipe2([3, 4], 0)            = 0
[pid 15210] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15210] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15210] sync()                      = 0
[pid 15210] exit_group(0)               = ?
[pid 15210] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15210, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15211
./strace-static-x86_64: Process 15211 attached
[pid 15211] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15211] setpgid(0, 0)               = 0
[pid 15211] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15211] write(3, "1000", 4)         = 4
[pid 15211] close(3)                    = 0
[pid 15211] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15211] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15211] pipe2([3, 4], 0)            = 0
[pid 15211] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15211] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15211] sync()                      = 0
[pid 15211] exit_group(0)               = ?
[pid 15211] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15211, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15212 attached
, child_tidptr=0x555555bcb690) = 15212
[pid 15212] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15212] setpgid(0, 0)               = 0
[pid 15212] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15212] write(3, "1000", 4)         = 4
[pid 15212] close(3)                    = 0
[pid 15212] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15212] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15212] pipe2([3, 4], 0)            = 0
[pid 15212] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15212] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15212] sync()                      = 0
[pid 15212] exit_group(0)               = ?
[pid 15212] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15212, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15213 attached
, child_tidptr=0x555555bcb690) = 15213
[pid 15213] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15213] setpgid(0, 0)               = 0
[pid 15213] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15213] write(3, "1000", 4)         = 4
[pid 15213] close(3)                    = 0
[pid 15213] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15213] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15213] pipe2([3, 4], 0)            = 0
[pid 15213] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15213] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15213] sync()                      = 0
[pid 15213] exit_group(0)               = ?
[pid 15213] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15213, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15214 attached
, child_tidptr=0x555555bcb690) = 15214
[pid 15214] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15214] setpgid(0, 0)               = 0
[pid 15214] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15214] write(3, "1000", 4)         = 4
[pid 15214] close(3)                    = 0
[pid 15214] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15214] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15214] pipe2([3, 4], 0)            = 0
[pid 15214] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15214] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15214] sync()                      = 0
[pid 15214] exit_group(0)               = ?
[pid 15214] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15214, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15215 attached
, child_tidptr=0x555555bcb690) = 15215
[pid 15215] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15215] setpgid(0, 0)               = 0
[pid 15215] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15215] write(3, "1000", 4)         = 4
[pid 15215] close(3)                    = 0
[pid 15215] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15215] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15215] pipe2([3, 4], 0)            = 0
[pid 15215] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15215] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15215] sync()                      = 0
[pid 15215] exit_group(0)               = ?
[pid 15215] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15215, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15216 attached
, child_tidptr=0x555555bcb690) = 15216
[pid 15216] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15216] setpgid(0, 0)               = 0
[pid 15216] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15216] write(3, "1000", 4)         = 4
[pid 15216] close(3)                    = 0
[pid 15216] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15216] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15216] pipe2([3, 4], 0)            = 0
[pid 15216] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15216] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15216] sync()                      = 0
[pid 15216] exit_group(0)               = ?
[pid 15216] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15216, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15217
./strace-static-x86_64: Process 15217 attached
[pid 15217] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15217] setpgid(0, 0)               = 0
[pid 15217] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15217] write(3, "1000", 4)         = 4
[pid 15217] close(3)                    = 0
[pid 15217] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15217] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15217] pipe2([3, 4], 0)            = 0
[pid 15217] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15217] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15217] sync()                      = 0
[pid 15217] exit_group(0)               = ?
[pid 15217] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15217, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15218
./strace-static-x86_64: Process 15218 attached
[pid 15218] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15218] setpgid(0, 0)               = 0
[pid 15218] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15218] write(3, "1000", 4)         = 4
[pid 15218] close(3)                    = 0
[pid 15218] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15218] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15218] pipe2([3, 4], 0)            = 0
[pid 15218] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15218] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15218] sync()                      = 0
[pid 15218] exit_group(0)               = ?
[pid 15218] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15218, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15219 attached
, child_tidptr=0x555555bcb690) = 15219
[pid 15219] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15219] setpgid(0, 0)               = 0
[pid 15219] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15219] write(3, "1000", 4)         = 4
[pid 15219] close(3)                    = 0
[pid 15219] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15219] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15219] pipe2([3, 4], 0)            = 0
[pid 15219] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15219] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15219] sync()                      = 0
[pid 15219] exit_group(0)               = ?
[pid 15219] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15219, si_uid=0, si_status=0, si_utime=1, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15220 attached
, child_tidptr=0x555555bcb690) = 15220
[pid 15220] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15220] setpgid(0, 0)               = 0
[pid 15220] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15220] write(3, "1000", 4)         = 4
[pid 15220] close(3)                    = 0
[pid 15220] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15220] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15220] pipe2([3, 4], 0)            = 0
[pid 15220] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15220] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15220] sync()                      = 0
[pid 15220] exit_group(0)               = ?
[pid 15220] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15220, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15221 attached
, child_tidptr=0x555555bcb690) = 15221
[pid 15221] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15221] setpgid(0, 0)               = 0
[pid 15221] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15221] write(3, "1000", 4)         = 4
[pid 15221] close(3)                    = 0
[pid 15221] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15221] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15221] pipe2([3, 4], 0)            = 0
[pid 15221] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15221] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15221] sync()                      = 0
[pid 15221] exit_group(0)               = ?
[pid 15221] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15221, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15222
./strace-static-x86_64: Process 15222 attached
[pid 15222] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15222] setpgid(0, 0)               = 0
[pid 15222] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15222] write(3, "1000", 4)         = 4
[pid 15222] close(3)                    = 0
[pid 15222] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15222] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15222] pipe2([3, 4], 0)            = 0
[pid 15222] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15222] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15222] sync()                      = 0
[pid 15222] exit_group(0)               = ?
[pid 15222] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15222, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15223 attached
, child_tidptr=0x555555bcb690) = 15223
[pid 15223] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15223] setpgid(0, 0)               = 0
[pid 15223] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15223] write(3, "1000", 4)         = 4
[pid 15223] close(3)                    = 0
[pid 15223] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15223] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15223] pipe2([3, 4], 0)            = 0
[pid 15223] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15223] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15223] sync()                      = 0
[pid 15223] exit_group(0)               = ?
[pid 15223] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15223, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15224 attached
, child_tidptr=0x555555bcb690) = 15224
[pid 15224] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15224] setpgid(0, 0)               = 0
[pid 15224] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15224] write(3, "1000", 4)         = 4
[pid 15224] close(3)                    = 0
[pid 15224] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15224] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15224] pipe2([3, 4], 0)            = 0
[pid 15224] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15224] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15224] sync()                      = 0
[pid 15224] exit_group(0)               = ?
[pid 15224] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15224, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15225 attached
, child_tidptr=0x555555bcb690) = 15225
[pid 15225] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15225] setpgid(0, 0)               = 0
[pid 15225] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15225] write(3, "1000", 4)         = 4
[pid 15225] close(3)                    = 0
[pid 15225] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15225] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15225] pipe2([3, 4], 0)            = 0
[pid 15225] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15225] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15225] sync()                      = 0
[pid 15225] exit_group(0)               = ?
[pid 15225] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15225, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15226
./strace-static-x86_64: Process 15226 attached
[pid 15226] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15226] setpgid(0, 0)               = 0
[pid 15226] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15226] write(3, "1000", 4)         = 4
[pid 15226] close(3)                    = 0
[pid 15226] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15226] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15226] pipe2([3, 4], 0)            = 0
[pid 15226] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15226] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15226] sync()                      = 0
[pid 15226] exit_group(0)               = ?
[pid 15226] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15226, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15227
./strace-static-x86_64: Process 15227 attached
[pid 15227] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15227] setpgid(0, 0)               = 0
[pid 15227] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15227] write(3, "1000", 4)         = 4
[pid 15227] close(3)                    = 0
[pid 15227] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15227] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15227] pipe2([3, 4], 0)            = 0
[pid 15227] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15227] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15227] sync()                      = 0
[pid 15227] exit_group(0)               = ?
[pid 15227] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15227, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15228
./strace-static-x86_64: Process 15228 attached
[pid 15228] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15228] setpgid(0, 0)               = 0
[pid 15228] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15228] write(3, "1000", 4)         = 4
[pid 15228] close(3)                    = 0
[pid 15228] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15228] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15228] pipe2([3, 4], 0)            = 0
[pid 15228] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15228] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15228] sync()                      = 0
[pid 15228] exit_group(0)               = ?
[pid 15228] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15228, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15229 attached
, child_tidptr=0x555555bcb690) = 15229
[pid 15229] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15229] setpgid(0, 0)               = 0
[pid 15229] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15229] write(3, "1000", 4)         = 4
[pid 15229] close(3)                    = 0
[pid 15229] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15229] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15229] pipe2([3, 4], 0)            = 0
[pid 15229] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15229] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15229] sync()                      = 0
[pid 15229] exit_group(0)               = ?
[pid 15229] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15229, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15230 attached
, child_tidptr=0x555555bcb690) = 15230
[pid 15230] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15230] setpgid(0, 0)               = 0
[pid 15230] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15230] write(3, "1000", 4)         = 4
[pid 15230] close(3)                    = 0
[pid 15230] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15230] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15230] pipe2([3, 4], 0)            = 0
[pid 15230] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15230] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15230] sync()                      = 0
[pid 15230] exit_group(0)               = ?
[pid 15230] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15230, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15231
./strace-static-x86_64: Process 15231 attached
[pid 15231] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15231] setpgid(0, 0)               = 0
[pid 15231] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15231] write(3, "1000", 4)         = 4
[pid 15231] close(3)                    = 0
[pid 15231] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15231] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15231] pipe2([3, 4], 0)            = 0
[pid 15231] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15231] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15231] sync()                      = 0
[pid 15231] exit_group(0)               = ?
[pid 15231] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15231, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15232
./strace-static-x86_64: Process 15232 attached
[pid 15232] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15232] setpgid(0, 0)               = 0
[pid 15232] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15232] write(3, "1000", 4)         = 4
[pid 15232] close(3)                    = 0
[pid 15232] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15232] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15232] pipe2([3, 4], 0)            = 0
[pid 15232] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15232] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15232] sync()                      = 0
[pid 15232] exit_group(0)               = ?
[pid 15232] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15232, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15233 attached
, child_tidptr=0x555555bcb690) = 15233
[pid 15233] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15233] setpgid(0, 0)               = 0
[pid 15233] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15233] write(3, "1000", 4)         = 4
[pid 15233] close(3)                    = 0
[pid 15233] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15233] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15233] pipe2([3, 4], 0)            = 0
[pid 15233] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15233] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15233] sync()                      = 0
[pid 15233] exit_group(0)               = ?
[pid 15233] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15233, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15234 attached
, child_tidptr=0x555555bcb690) = 15234
[pid 15234] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15234] setpgid(0, 0)               = 0
[pid 15234] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15234] write(3, "1000", 4)         = 4
[pid 15234] close(3)                    = 0
[pid 15234] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15234] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15234] pipe2([3, 4], 0)            = 0
[pid 15234] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15234] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15234] sync()                      = 0
[pid 15234] exit_group(0)               = ?
[pid 15234] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15234, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15235 attached
 <unfinished ...>
[pid 15235] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15235] setpgid(0, 0)               = 0
[pid 15235] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3603] <... clone resumed>, child_tidptr=0x555555bcb690) = 15235
[pid 15235] <... openat resumed>)       = 3
[pid 15235] write(3, "1000", 4)         = 4
[pid 15235] close(3)                    = 0
[pid 15235] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15235] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15235] pipe2([3, 4], 0)            = 0
[pid 15235] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15235] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15235] sync()                      = 0
[pid 15235] exit_group(0)               = ?
[pid 15235] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15235, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15236 attached
, child_tidptr=0x555555bcb690) = 15236
[pid 15236] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15236] setpgid(0, 0)               = 0
[pid 15236] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15236] write(3, "1000", 4)         = 4
[pid 15236] close(3)                    = 0
[pid 15236] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15236] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15236] pipe2([3, 4], 0)            = 0
[pid 15236] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15236] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15236] sync()                      = 0
[pid 15236] exit_group(0)               = ?
[pid 15236] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15236, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15237 attached
, child_tidptr=0x555555bcb690) = 15237
[pid 15237] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15237] setpgid(0, 0)               = 0
[pid 15237] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15237] write(3, "1000", 4)         = 4
[pid 15237] close(3)                    = 0
[pid 15237] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15237] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15237] pipe2([3, 4], 0)            = 0
[pid 15237] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15237] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15237] sync()                      = 0
[pid 15237] exit_group(0)               = ?
[pid 15237] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15237, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15238 attached
, child_tidptr=0x555555bcb690) = 15238
[pid 15238] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15238] setpgid(0, 0)               = 0
[pid 15238] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15238] write(3, "1000", 4)         = 4
[pid 15238] close(3)                    = 0
[pid 15238] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15238] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15238] pipe2([3, 4], 0)            = 0
[pid 15238] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15238] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15238] sync()                      = 0
[pid 15238] exit_group(0)               = ?
[pid 15238] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15238, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15239 attached
, child_tidptr=0x555555bcb690) = 15239
[pid 15239] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15239] setpgid(0, 0)               = 0
[pid 15239] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15239] write(3, "1000", 4)         = 4
[pid 15239] close(3)                    = 0
[pid 15239] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15239] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15239] pipe2([3, 4], 0)            = 0
[pid 15239] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15239] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15239] sync()                      = 0
[pid 15239] exit_group(0)               = ?
[pid 15239] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15239, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15240 attached
, child_tidptr=0x555555bcb690) = 15240
[pid 15240] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15240] setpgid(0, 0)               = 0
[pid 15240] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15240] write(3, "1000", 4)         = 4
[pid 15240] close(3)                    = 0
[pid 15240] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15240] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15240] pipe2([3, 4], 0)            = 0
[pid 15240] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15240] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15240] sync()                      = 0
[pid 15240] exit_group(0)               = ?
[pid 15240] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15240, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15241 attached
, child_tidptr=0x555555bcb690) = 15241
[pid 15241] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15241] setpgid(0, 0)               = 0
[pid 15241] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15241] write(3, "1000", 4)         = 4
[pid 15241] close(3)                    = 0
[pid 15241] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15241] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15241] pipe2([3, 4], 0)            = 0
[pid 15241] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15241] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15241] sync()                      = 0
[pid 15241] exit_group(0)               = ?
[pid 15241] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15241, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15242 attached
, child_tidptr=0x555555bcb690) = 15242
[pid 15242] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15242] setpgid(0, 0)               = 0
[pid 15242] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15242] write(3, "1000", 4)         = 4
[pid 15242] close(3)                    = 0
[pid 15242] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15242] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15242] pipe2([3, 4], 0)            = 0
[pid 15242] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15242] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15242] sync()                      = 0
[pid 15242] exit_group(0)               = ?
[pid 15242] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15242, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15243 attached
, child_tidptr=0x555555bcb690) = 15243
[pid 15243] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15243] setpgid(0, 0)               = 0
[pid 15243] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15243] write(3, "1000", 4)         = 4
[pid 15243] close(3)                    = 0
[pid 15243] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15243] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15243] pipe2([3, 4], 0)            = 0
[pid 15243] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15243] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15243] sync()                      = 0
[pid 15243] exit_group(0)               = ?
[pid 15243] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15243, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15244 attached
, child_tidptr=0x555555bcb690) = 15244
[pid 15244] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15244] setpgid(0, 0)               = 0
[pid 15244] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15244] write(3, "1000", 4)         = 4
[pid 15244] close(3)                    = 0
[pid 15244] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15244] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15244] pipe2([3, 4], 0)            = 0
[pid 15244] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15244] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15244] sync()                      = 0
[pid 15244] exit_group(0)               = ?
[pid 15244] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15244, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15245 attached
, child_tidptr=0x555555bcb690) = 15245
[pid 15245] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15245] setpgid(0, 0)               = 0
[pid 15245] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15245] write(3, "1000", 4)         = 4
[pid 15245] close(3)                    = 0
[pid 15245] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15245] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15245] pipe2([3, 4], 0)            = 0
[pid 15245] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15245] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15245] sync()                      = 0
[pid 15245] exit_group(0)               = ?
[pid 15245] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15245, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15246 attached
, child_tidptr=0x555555bcb690) = 15246
[pid 15246] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15246] setpgid(0, 0)               = 0
[pid 15246] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15246] write(3, "1000", 4)         = 4
[pid 15246] close(3)                    = 0
[pid 15246] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15246] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15246] pipe2([3, 4], 0)            = 0
[pid 15246] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15246] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15246] sync()                      = 0
[pid 15246] exit_group(0)               = ?
[pid 15246] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15246, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15247 attached
, child_tidptr=0x555555bcb690) = 15247
[pid 15247] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15247] setpgid(0, 0)               = 0
[pid 15247] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15247] write(3, "1000", 4)         = 4
[pid 15247] close(3)                    = 0
[pid 15247] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15247] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15247] pipe2([3, 4], 0)            = 0
[pid 15247] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15247] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15247] sync()                      = 0
[pid 15247] exit_group(0)               = ?
[pid 15247] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15247, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15248
./strace-static-x86_64: Process 15248 attached
[pid 15248] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15248] setpgid(0, 0)               = 0
[pid 15248] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15248] write(3, "1000", 4)         = 4
[pid 15248] close(3)                    = 0
[pid 15248] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15248] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15248] pipe2([3, 4], 0)            = 0
[pid 15248] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15248] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15248] sync()                      = 0
[pid 15248] exit_group(0)               = ?
[pid 15248] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15248, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15249
./strace-static-x86_64: Process 15249 attached
[pid 15249] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15249] setpgid(0, 0)               = 0
[pid 15249] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15249] write(3, "1000", 4)         = 4
[pid 15249] close(3)                    = 0
[pid 15249] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15249] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15249] pipe2([3, 4], 0)            = 0
[pid 15249] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15249] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15249] sync()                      = 0
[pid 15249] exit_group(0)               = ?
[pid 15249] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15249, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15250 attached
, child_tidptr=0x555555bcb690) = 15250
[pid 15250] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15250] setpgid(0, 0)               = 0
[pid 15250] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15250] write(3, "1000", 4)         = 4
[pid 15250] close(3)                    = 0
[pid 15250] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15250] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15250] pipe2([3, 4], 0)            = 0
[pid 15250] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15250] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15250] sync()                      = 0
[pid 15250] exit_group(0)               = ?
[pid 15250] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15250, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15251 attached
, child_tidptr=0x555555bcb690) = 15251
[pid 15251] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15251] setpgid(0, 0)               = 0
[pid 15251] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15251] write(3, "1000", 4)         = 4
[pid 15251] close(3)                    = 0
[pid 15251] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15251] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15251] pipe2([3, 4], 0)            = 0
[pid 15251] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15251] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15251] sync()                      = 0
[pid 15251] exit_group(0)               = ?
[pid 15251] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15251, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15252 attached
, child_tidptr=0x555555bcb690) = 15252
[pid 15252] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15252] setpgid(0, 0)               = 0
[pid 15252] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15252] write(3, "1000", 4)         = 4
[pid 15252] close(3)                    = 0
[pid 15252] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15252] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15252] pipe2([3, 4], 0)            = 0
[pid 15252] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15252] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15252] sync()                      = 0
[pid 15252] exit_group(0)               = ?
[pid 15252] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15252, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15253 attached
, child_tidptr=0x555555bcb690) = 15253
[pid 15253] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15253] setpgid(0, 0)               = 0
[pid 15253] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15253] write(3, "1000", 4)         = 4
[pid 15253] close(3)                    = 0
[pid 15253] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15253] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15253] pipe2([3, 4], 0)            = 0
[pid 15253] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15253] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15253] sync()                      = 0
[pid 15253] exit_group(0)               = ?
[pid 15253] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15253, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15254 attached
, child_tidptr=0x555555bcb690) = 15254
[pid 15254] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15254] setpgid(0, 0)               = 0
[pid 15254] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15254] write(3, "1000", 4)         = 4
[pid 15254] close(3)                    = 0
[pid 15254] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15254] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15254] pipe2([3, 4], 0)            = 0
[pid 15254] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15254] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15254] sync()                      = 0
[pid 15254] exit_group(0)               = ?
[pid 15254] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15254, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15255
./strace-static-x86_64: Process 15255 attached
[pid 15255] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15255] setpgid(0, 0)               = 0
[pid 15255] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15255] write(3, "1000", 4)         = 4
[pid 15255] close(3)                    = 0
[pid 15255] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15255] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15255] pipe2([3, 4], 0)            = 0
[pid 15255] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15255] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15255] sync()                      = 0
[pid 15255] exit_group(0)               = ?
[pid 15255] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15255, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15256
./strace-static-x86_64: Process 15256 attached
[pid 15256] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15256] setpgid(0, 0)               = 0
[pid 15256] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15256] write(3, "1000", 4)         = 4
[pid 15256] close(3)                    = 0
[pid 15256] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15256] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15256] pipe2([3, 4], 0)            = 0
[pid 15256] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15256] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15256] sync()                      = 0
[pid 15256] exit_group(0)               = ?
[pid 15256] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15256, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15257 attached
, child_tidptr=0x555555bcb690) = 15257
[pid 15257] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15257] setpgid(0, 0)               = 0
[pid 15257] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15257] write(3, "1000", 4)         = 4
[pid 15257] close(3)                    = 0
[pid 15257] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15257] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15257] pipe2([3, 4], 0)            = 0
[pid 15257] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15257] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15257] sync()                      = 0
[pid 15257] exit_group(0)               = ?
[pid 15257] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15257, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15258 attached
, child_tidptr=0x555555bcb690) = 15258
[pid 15258] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15258] setpgid(0, 0)               = 0
[pid 15258] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15258] write(3, "1000", 4)         = 4
[pid 15258] close(3)                    = 0
[pid 15258] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15258] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15258] pipe2([3, 4], 0)            = 0
[pid 15258] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15258] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15258] sync()                      = 0
[pid 15258] exit_group(0)               = ?
[pid 15258] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15258, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15259
./strace-static-x86_64: Process 15259 attached
[pid 15259] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15259] setpgid(0, 0)               = 0
[pid 15259] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15259] write(3, "1000", 4)         = 4
[pid 15259] close(3)                    = 0
[pid 15259] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15259] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15259] pipe2([3, 4], 0)            = 0
[pid 15259] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15259] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15259] sync()                      = 0
[pid 15259] exit_group(0)               = ?
[pid 15259] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15259, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15260
./strace-static-x86_64: Process 15260 attached
[pid 15260] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15260] setpgid(0, 0)               = 0
[pid 15260] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15260] write(3, "1000", 4)         = 4
[pid 15260] close(3)                    = 0
[pid 15260] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15260] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15260] pipe2([3, 4], 0)            = 0
[pid 15260] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15260] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15260] sync()                      = 0
[pid 15260] exit_group(0)               = ?
[pid 15260] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15260, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15261
./strace-static-x86_64: Process 15261 attached
[pid 15261] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15261] setpgid(0, 0)               = 0
[pid 15261] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15261] write(3, "1000", 4)         = 4
[pid 15261] close(3)                    = 0
[pid 15261] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15261] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15261] pipe2([3, 4], 0)            = 0
[pid 15261] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15261] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15261] sync()                      = 0
[pid 15261] exit_group(0)               = ?
[pid 15261] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15261, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15262 attached
, child_tidptr=0x555555bcb690) = 15262
[pid 15262] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15262] setpgid(0, 0)               = 0
[pid 15262] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15262] write(3, "1000", 4)         = 4
[pid 15262] close(3)                    = 0
[pid 15262] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15262] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15262] pipe2([3, 4], 0)            = 0
[pid 15262] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15262] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15262] sync()                      = 0
[pid 15262] exit_group(0)               = ?
[pid 15262] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15262, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15263 attached
, child_tidptr=0x555555bcb690) = 15263
[pid 15263] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15263] setpgid(0, 0)               = 0
[pid 15263] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15263] write(3, "1000", 4)         = 4
[pid 15263] close(3)                    = 0
[pid 15263] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15263] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15263] pipe2([3, 4], 0)            = 0
[pid 15263] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15263] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15263] sync()                      = 0
[pid 15263] exit_group(0)               = ?
[pid 15263] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15263, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15264
./strace-static-x86_64: Process 15264 attached
[pid 15264] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15264] setpgid(0, 0)               = 0
[pid 15264] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15264] write(3, "1000", 4)         = 4
[pid 15264] close(3)                    = 0
[pid 15264] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15264] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15264] pipe2([3, 4], 0)            = 0
[pid 15264] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15264] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15264] sync()                      = 0
[pid 15264] exit_group(0)               = ?
[pid 15264] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15264, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15265
./strace-static-x86_64: Process 15265 attached
[pid 15265] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15265] setpgid(0, 0)               = 0
[pid 15265] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15265] write(3, "1000", 4)         = 4
[pid 15265] close(3)                    = 0
[pid 15265] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15265] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15265] pipe2([3, 4], 0)            = 0
[pid 15265] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15265] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15265] sync()                      = 0
[pid 15265] exit_group(0)               = ?
[pid 15265] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15265, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15266 attached
, child_tidptr=0x555555bcb690) = 15266
[pid 15266] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15266] setpgid(0, 0)               = 0
[pid 15266] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15266] write(3, "1000", 4)         = 4
[pid 15266] close(3)                    = 0
[pid 15266] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15266] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15266] pipe2([3, 4], 0)            = 0
[pid 15266] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15266] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15266] sync()                      = 0
[pid 15266] exit_group(0)               = ?
[pid 15266] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15266, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15267 attached
, child_tidptr=0x555555bcb690) = 15267
[pid 15267] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15267] setpgid(0, 0)               = 0
[pid 15267] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15267] write(3, "1000", 4)         = 4
[pid 15267] close(3)                    = 0
[pid 15267] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15267] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15267] pipe2([3, 4], 0)            = 0
[pid 15267] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15267] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15267] sync()                      = 0
[pid 15267] exit_group(0)               = ?
[pid 15267] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15267, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15268 attached
, child_tidptr=0x555555bcb690) = 15268
[pid 15268] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15268] setpgid(0, 0)               = 0
[pid 15268] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15268] write(3, "1000", 4)         = 4
[pid 15268] close(3)                    = 0
[pid 15268] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15268] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15268] pipe2([3, 4], 0)            = 0
[pid 15268] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15268] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15268] sync()                      = 0
[pid 15268] exit_group(0)               = ?
[pid 15268] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15268, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15269 attached
, child_tidptr=0x555555bcb690) = 15269
[pid 15269] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15269] setpgid(0, 0)               = 0
[pid 15269] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15269] write(3, "1000", 4)         = 4
[pid 15269] close(3)                    = 0
[pid 15269] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15269] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15269] pipe2([3, 4], 0)            = 0
[pid 15269] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15269] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15269] sync()                      = 0
[pid 15269] exit_group(0)               = ?
[pid 15269] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15269, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15270
./strace-static-x86_64: Process 15270 attached
[pid 15270] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15270] setpgid(0, 0)               = 0
[pid 15270] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15270] write(3, "1000", 4)         = 4
[pid 15270] close(3)                    = 0
[pid 15270] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15270] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15270] pipe2([3, 4], 0)            = 0
[pid 15270] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15270] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15270] sync()                      = 0
[pid 15270] exit_group(0)               = ?
[pid 15270] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15270, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15271 attached
, child_tidptr=0x555555bcb690) = 15271
[pid 15271] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15271] setpgid(0, 0)               = 0
[pid 15271] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15271] write(3, "1000", 4)         = 4
[pid 15271] close(3)                    = 0
[pid 15271] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15271] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15271] pipe2([3, 4], 0)            = 0
[pid 15271] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15271] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15271] sync()                      = 0
[pid 15271] exit_group(0)               = ?
[pid 15271] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15271, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15272 attached
, child_tidptr=0x555555bcb690) = 15272
[pid 15272] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15272] setpgid(0, 0)               = 0
[pid 15272] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15272] write(3, "1000", 4)         = 4
[pid 15272] close(3)                    = 0
[pid 15272] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15272] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15272] pipe2([3, 4], 0)            = 0
[pid 15272] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15272] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15272] sync()                      = 0
[pid 15272] exit_group(0)               = ?
[pid 15272] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15272, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15273 attached
, child_tidptr=0x555555bcb690) = 15273
[pid 15273] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15273] setpgid(0, 0)               = 0
[pid 15273] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15273] write(3, "1000", 4)         = 4
[pid 15273] close(3)                    = 0
[pid 15273] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15273] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15273] pipe2([3, 4], 0)            = 0
[pid 15273] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15273] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15273] sync()                      = 0
[pid 15273] exit_group(0)               = ?
[pid 15273] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15273, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15274 attached
, child_tidptr=0x555555bcb690) = 15274
[pid 15274] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15274] setpgid(0, 0)               = 0
[pid 15274] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15274] write(3, "1000", 4)         = 4
[pid 15274] close(3)                    = 0
[pid 15274] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15274] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15274] pipe2([3, 4], 0)            = 0
[pid 15274] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15274] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15274] sync()                      = 0
[pid 15274] exit_group(0)               = ?
[pid 15274] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15274, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15275 attached
, child_tidptr=0x555555bcb690) = 15275
[pid 15275] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15275] setpgid(0, 0)               = 0
[pid 15275] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15275] write(3, "1000", 4)         = 4
[pid 15275] close(3)                    = 0
[pid 15275] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15275] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15275] pipe2([3, 4], 0)            = 0
[pid 15275] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15275] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15275] sync()                      = 0
[pid 15275] exit_group(0)               = ?
[pid 15275] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15275, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15276 attached
, child_tidptr=0x555555bcb690) = 15276
[pid 15276] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15276] setpgid(0, 0)               = 0
[pid 15276] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15276] write(3, "1000", 4)         = 4
[pid 15276] close(3)                    = 0
[pid 15276] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15276] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15276] pipe2([3, 4], 0)            = 0
[pid 15276] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15276] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15276] sync()                      = 0
[pid 15276] exit_group(0)               = ?
[pid 15276] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15276, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15277 attached
, child_tidptr=0x555555bcb690) = 15277
[pid 15277] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15277] setpgid(0, 0)               = 0
[pid 15277] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15277] write(3, "1000", 4)         = 4
[pid 15277] close(3)                    = 0
[pid 15277] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15277] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15277] pipe2([3, 4], 0)            = 0
[pid 15277] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15277] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15277] sync()                      = 0
[pid 15277] exit_group(0)               = ?
[pid 15277] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15277, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15278 attached
, child_tidptr=0x555555bcb690) = 15278
[pid 15278] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15278] setpgid(0, 0)               = 0
[pid 15278] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15278] write(3, "1000", 4)         = 4
[pid 15278] close(3)                    = 0
[pid 15278] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15278] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15278] pipe2([3, 4], 0)            = 0
[pid 15278] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15278] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15278] sync()                      = 0
[pid 15278] exit_group(0)               = ?
[pid 15278] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15278, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15279
./strace-static-x86_64: Process 15279 attached
[pid 15279] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15279] setpgid(0, 0)               = 0
[pid 15279] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15279] write(3, "1000", 4)         = 4
[pid 15279] close(3)                    = 0
[pid 15279] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15279] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15279] pipe2([3, 4], 0)            = 0
[pid 15279] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15279] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15279] sync()                      = 0
[pid 15279] exit_group(0)               = ?
[pid 15279] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15279, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15280 attached
, child_tidptr=0x555555bcb690) = 15280
[pid 15280] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15280] setpgid(0, 0)               = 0
[pid 15280] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15280] write(3, "1000", 4)         = 4
[pid 15280] close(3)                    = 0
[pid 15280] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15280] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15280] pipe2([3, 4], 0)            = 0
[pid 15280] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15280] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15280] sync()                      = 0
[pid 15280] exit_group(0)               = ?
[pid 15280] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15280, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15281 attached
, child_tidptr=0x555555bcb690) = 15281
[pid 15281] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15281] setpgid(0, 0)               = 0
[pid 15281] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15281] write(3, "1000", 4)         = 4
[pid 15281] close(3)                    = 0
[pid 15281] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15281] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15281] pipe2([3, 4], 0)            = 0
[pid 15281] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15281] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15281] sync()                      = 0
[pid 15281] exit_group(0)               = ?
[pid 15281] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15281, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15282 attached
, child_tidptr=0x555555bcb690) = 15282
[pid 15282] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15282] setpgid(0, 0)               = 0
[pid 15282] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15282] write(3, "1000", 4)         = 4
[pid 15282] close(3)                    = 0
[pid 15282] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15282] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15282] pipe2([3, 4], 0)            = 0
[pid 15282] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15282] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15282] sync()                      = 0
[pid 15282] exit_group(0)               = ?
[pid 15282] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15282, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15283 attached
, child_tidptr=0x555555bcb690) = 15283
[pid 15283] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15283] setpgid(0, 0)               = 0
[pid 15283] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15283] write(3, "1000", 4)         = 4
[pid 15283] close(3)                    = 0
[pid 15283] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15283] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15283] pipe2([3, 4], 0)            = 0
[pid 15283] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15283] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15283] sync()                      = 0
[pid 15283] exit_group(0)               = ?
[pid 15283] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15283, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15284 attached
, child_tidptr=0x555555bcb690) = 15284
[pid 15284] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15284] setpgid(0, 0)               = 0
[pid 15284] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15284] write(3, "1000", 4)         = 4
[pid 15284] close(3)                    = 0
[pid 15284] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15284] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15284] pipe2([3, 4], 0)            = 0
[pid 15284] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15284] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15284] sync()                      = 0
[pid 15284] exit_group(0)               = ?
[pid 15284] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15284, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15285
./strace-static-x86_64: Process 15285 attached
[pid 15285] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15285] setpgid(0, 0)               = 0
[pid 15285] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15285] write(3, "1000", 4)         = 4
[pid 15285] close(3)                    = 0
[pid 15285] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15285] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15285] pipe2([3, 4], 0)            = 0
[pid 15285] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15285] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15285] sync()                      = 0
[pid 15285] exit_group(0)               = ?
[pid 15285] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15285, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15286 attached
, child_tidptr=0x555555bcb690) = 15286
[pid 15286] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15286] setpgid(0, 0)               = 0
[pid 15286] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15286] write(3, "1000", 4)         = 4
[pid 15286] close(3)                    = 0
[pid 15286] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15286] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15286] pipe2([3, 4], 0)            = 0
[pid 15286] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15286] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15286] sync()                      = 0
[pid 15286] exit_group(0)               = ?
[pid 15286] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15286, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15287 attached
, child_tidptr=0x555555bcb690) = 15287
[pid 15287] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15287] setpgid(0, 0)               = 0
[pid 15287] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15287] write(3, "1000", 4)         = 4
[pid 15287] close(3)                    = 0
[pid 15287] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15287] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15287] pipe2([3, 4], 0)            = 0
[pid 15287] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15287] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15287] sync()                      = 0
[pid 15287] exit_group(0)               = ?
[pid 15287] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15287, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15288 attached
, child_tidptr=0x555555bcb690) = 15288
[pid 15288] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15288] setpgid(0, 0)               = 0
[pid 15288] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15288] write(3, "1000", 4)         = 4
[pid 15288] close(3)                    = 0
[pid 15288] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15288] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15288] pipe2([3, 4], 0)            = 0
[pid 15288] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15288] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15288] sync()                      = 0
[pid 15288] exit_group(0)               = ?
[pid 15288] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15288, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15289
./strace-static-x86_64: Process 15289 attached
[pid 15289] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15289] setpgid(0, 0)               = 0
[pid 15289] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15289] write(3, "1000", 4)         = 4
[pid 15289] close(3)                    = 0
[pid 15289] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15289] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15289] pipe2([3, 4], 0)            = 0
[pid 15289] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15289] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15289] sync()                      = 0
[pid 15289] exit_group(0)               = ?
[pid 15289] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15289, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15290 attached
, child_tidptr=0x555555bcb690) = 15290
[pid 15290] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15290] setpgid(0, 0)               = 0
[pid 15290] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15290] write(3, "1000", 4)         = 4
[pid 15290] close(3)                    = 0
[pid 15290] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15290] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15290] pipe2([3, 4], 0)            = 0
[pid 15290] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15290] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15290] sync()                      = 0
[pid 15290] exit_group(0)               = ?
[pid 15290] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15290, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15291 attached
, child_tidptr=0x555555bcb690) = 15291
[pid 15291] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15291] setpgid(0, 0)               = 0
[pid 15291] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15291] write(3, "1000", 4)         = 4
[pid 15291] close(3)                    = 0
[pid 15291] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15291] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15291] pipe2([3, 4], 0)            = 0
[pid 15291] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15291] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15291] sync()                      = 0
[pid 15291] exit_group(0)               = ?
[pid 15291] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15291, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15292 attached
, child_tidptr=0x555555bcb690) = 15292
[pid 15292] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15292] setpgid(0, 0)               = 0
[pid 15292] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15292] write(3, "1000", 4)         = 4
[pid 15292] close(3)                    = 0
[pid 15292] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15292] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15292] pipe2([3, 4], 0)            = 0
[pid 15292] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15292] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15292] sync()                      = 0
[pid 15292] exit_group(0)               = ?
[pid 15292] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15292, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15293 attached
, child_tidptr=0x555555bcb690) = 15293
[pid 15293] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15293] setpgid(0, 0)               = 0
[pid 15293] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15293] write(3, "1000", 4)         = 4
[pid 15293] close(3)                    = 0
[pid 15293] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15293] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15293] pipe2([3, 4], 0)            = 0
[pid 15293] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15293] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15293] sync()                      = 0
[pid 15293] exit_group(0)               = ?
[pid 15293] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15293, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15294 attached
, child_tidptr=0x555555bcb690) = 15294
[pid 15294] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15294] setpgid(0, 0)               = 0
[pid 15294] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15294] write(3, "1000", 4)         = 4
[pid 15294] close(3)                    = 0
[pid 15294] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15294] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15294] pipe2([3, 4], 0)            = 0
[pid 15294] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15294] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15294] sync()                      = 0
[pid 15294] exit_group(0)               = ?
[pid 15294] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15294, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15295
./strace-static-x86_64: Process 15295 attached
[pid 15295] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15295] setpgid(0, 0)               = 0
[pid 15295] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15295] write(3, "1000", 4)         = 4
[pid 15295] close(3)                    = 0
[pid 15295] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15295] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15295] pipe2([3, 4], 0)            = 0
[pid 15295] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15295] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15295] sync()                      = 0
[pid 15295] exit_group(0)               = ?
[pid 15295] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15295, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15296 attached
, child_tidptr=0x555555bcb690) = 15296
[pid 15296] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15296] setpgid(0, 0)               = 0
[pid 15296] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15296] write(3, "1000", 4)         = 4
[pid 15296] close(3)                    = 0
[pid 15296] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15296] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15296] pipe2([3, 4], 0)            = 0
[pid 15296] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15296] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15296] sync()                      = 0
[pid 15296] exit_group(0)               = ?
[pid 15296] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15296, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15297
./strace-static-x86_64: Process 15297 attached
[pid 15297] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15297] setpgid(0, 0)               = 0
[pid 15297] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15297] write(3, "1000", 4)         = 4
[pid 15297] close(3)                    = 0
[pid 15297] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15297] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15297] pipe2([3, 4], 0)            = 0
[pid 15297] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15297] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15297] sync()                      = 0
[pid 15297] exit_group(0)               = ?
[pid 15297] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15297, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15298 attached
, child_tidptr=0x555555bcb690) = 15298
[pid 15298] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15298] setpgid(0, 0)               = 0
[pid 15298] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15298] write(3, "1000", 4)         = 4
[pid 15298] close(3)                    = 0
[pid 15298] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15298] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15298] pipe2([3, 4], 0)            = 0
[pid 15298] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15298] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15298] sync()                      = 0
[pid 15298] exit_group(0)               = ?
[pid 15298] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15298, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15299 attached
, child_tidptr=0x555555bcb690) = 15299
[pid 15299] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15299] setpgid(0, 0)               = 0
[pid 15299] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15299] write(3, "1000", 4)         = 4
[pid 15299] close(3)                    = 0
[pid 15299] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15299] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15299] pipe2([3, 4], 0)            = 0
[pid 15299] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15299] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15299] sync()                      = 0
[pid 15299] exit_group(0)               = ?
[pid 15299] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15299, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15300 attached
, child_tidptr=0x555555bcb690) = 15300
[pid 15300] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15300] setpgid(0, 0)               = 0
[pid 15300] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15300] write(3, "1000", 4)         = 4
[pid 15300] close(3)                    = 0
[pid 15300] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15300] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15300] pipe2([3, 4], 0)            = 0
[pid 15300] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15300] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15300] sync()                      = 0
[pid 15300] exit_group(0)               = ?
[pid 15300] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15300, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15301 attached
, child_tidptr=0x555555bcb690) = 15301
[pid 15301] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15301] setpgid(0, 0)               = 0
[pid 15301] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15301] write(3, "1000", 4)         = 4
[pid 15301] close(3)                    = 0
[pid 15301] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15301] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15301] pipe2([3, 4], 0)            = 0
[pid 15301] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15301] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15301] sync()                      = 0
[pid 15301] exit_group(0)               = ?
[pid 15301] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15301, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15302 attached
, child_tidptr=0x555555bcb690) = 15302
[pid 15302] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15302] setpgid(0, 0)               = 0
[pid 15302] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15302] write(3, "1000", 4)         = 4
[pid 15302] close(3)                    = 0
[pid 15302] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15302] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15302] pipe2([3, 4], 0)            = 0
[pid 15302] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15302] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15302] sync()                      = 0
[pid 15302] exit_group(0)               = ?
[pid 15302] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15302, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15303
./strace-static-x86_64: Process 15303 attached
[pid 15303] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15303] setpgid(0, 0)               = 0
[pid 15303] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15303] write(3, "1000", 4)         = 4
[pid 15303] close(3)                    = 0
[pid 15303] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15303] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15303] pipe2([3, 4], 0)            = 0
[pid 15303] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15303] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15303] sync()                      = 0
[pid 15303] exit_group(0)               = ?
[pid 15303] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15303, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15304 attached
, child_tidptr=0x555555bcb690) = 15304
[pid 15304] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15304] setpgid(0, 0)               = 0
[pid 15304] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15304] write(3, "1000", 4)         = 4
[pid 15304] close(3)                    = 0
[pid 15304] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15304] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15304] pipe2([3, 4], 0)            = 0
[pid 15304] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15304] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15304] sync()                      = 0
[pid 15304] exit_group(0)               = ?
[pid 15304] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15304, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15305 attached
, child_tidptr=0x555555bcb690) = 15305
[pid 15305] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15305] setpgid(0, 0)               = 0
[pid 15305] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15305] write(3, "1000", 4)         = 4
[pid 15305] close(3)                    = 0
[pid 15305] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15305] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15305] pipe2([3, 4], 0)            = 0
[pid 15305] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15305] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15305] sync()                      = 0
[pid 15305] exit_group(0)               = ?
[pid 15305] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15305, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15306
./strace-static-x86_64: Process 15306 attached
[pid 15306] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15306] setpgid(0, 0)               = 0
[pid 15306] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15306] write(3, "1000", 4)         = 4
[pid 15306] close(3)                    = 0
[pid 15306] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15306] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15306] pipe2([3, 4], 0)            = 0
[pid 15306] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15306] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15306] sync()                      = 0
[pid 15306] exit_group(0)               = ?
[pid 15306] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15306, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15307 attached
, child_tidptr=0x555555bcb690) = 15307
[pid 15307] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15307] setpgid(0, 0)               = 0
[pid 15307] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15307] write(3, "1000", 4)         = 4
[pid 15307] close(3)                    = 0
[pid 15307] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15307] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15307] pipe2([3, 4], 0)            = 0
[pid 15307] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15307] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15307] sync()                      = 0
[pid 15307] exit_group(0)               = ?
[pid 15307] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15307, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15308 attached
, child_tidptr=0x555555bcb690) = 15308
[pid 15308] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15308] setpgid(0, 0)               = 0
[pid 15308] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15308] write(3, "1000", 4)         = 4
[pid 15308] close(3)                    = 0
[pid 15308] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15308] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15308] pipe2([3, 4], 0)            = 0
[pid 15308] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15308] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15308] sync()                      = 0
[pid 15308] exit_group(0)               = ?
[pid 15308] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15308, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15309
./strace-static-x86_64: Process 15309 attached
[pid 15309] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15309] setpgid(0, 0)               = 0
[pid 15309] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15309] write(3, "1000", 4)         = 4
[pid 15309] close(3)                    = 0
[pid 15309] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15309] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15309] pipe2([3, 4], 0)            = 0
[pid 15309] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15309] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15309] sync()                      = 0
[pid 15309] exit_group(0)               = ?
[pid 15309] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15309, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15310 attached
, child_tidptr=0x555555bcb690) = 15310
[pid 15310] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15310] setpgid(0, 0)               = 0
[pid 15310] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15310] write(3, "1000", 4)         = 4
[pid 15310] close(3)                    = 0
[pid 15310] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15310] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15310] pipe2([3, 4], 0)            = 0
[pid 15310] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15310] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15310] sync()                      = 0
[pid 15310] exit_group(0)               = ?
[pid 15310] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15310, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15311 attached
, child_tidptr=0x555555bcb690) = 15311
[pid 15311] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15311] setpgid(0, 0)               = 0
[pid 15311] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15311] write(3, "1000", 4)         = 4
[pid 15311] close(3)                    = 0
[pid 15311] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15311] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15311] pipe2([3, 4], 0)            = 0
[pid 15311] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15311] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15311] sync()                      = 0
[pid 15311] exit_group(0)               = ?
[pid 15311] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15311, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15312
./strace-static-x86_64: Process 15312 attached
[pid 15312] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15312] setpgid(0, 0)               = 0
[pid 15312] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15312] write(3, "1000", 4)         = 4
[pid 15312] close(3)                    = 0
[pid 15312] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15312] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15312] pipe2([3, 4], 0)            = 0
[pid 15312] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15312] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15312] sync()                      = 0
[pid 15312] exit_group(0)               = ?
[pid 15312] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15312, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15313 attached
, child_tidptr=0x555555bcb690) = 15313
[pid 15313] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15313] setpgid(0, 0)               = 0
[pid 15313] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15313] write(3, "1000", 4)         = 4
[pid 15313] close(3)                    = 0
[pid 15313] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15313] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15313] pipe2([3, 4], 0)            = 0
[pid 15313] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15313] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15313] sync()                      = 0
[pid 15313] exit_group(0)               = ?
[pid 15313] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15313, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15314 attached
, child_tidptr=0x555555bcb690) = 15314
[pid 15314] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15314] setpgid(0, 0)               = 0
[pid 15314] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15314] write(3, "1000", 4)         = 4
[pid 15314] close(3)                    = 0
[pid 15314] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15314] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15314] pipe2([3, 4], 0)            = 0
[pid 15314] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15314] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15314] sync()                      = 0
[pid 15314] exit_group(0)               = ?
[pid 15314] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15314, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15315 attached
, child_tidptr=0x555555bcb690) = 15315
[pid 15315] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15315] setpgid(0, 0)               = 0
[pid 15315] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15315] write(3, "1000", 4)         = 4
[pid 15315] close(3)                    = 0
[pid 15315] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15315] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15315] pipe2([3, 4], 0)            = 0
[pid 15315] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15315] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15315] sync()                      = 0
[pid 15315] exit_group(0)               = ?
[pid 15315] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15315, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15316 attached
, child_tidptr=0x555555bcb690) = 15316
[pid 15316] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15316] setpgid(0, 0)               = 0
[pid 15316] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15316] write(3, "1000", 4)         = 4
[pid 15316] close(3)                    = 0
[pid 15316] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15316] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15316] pipe2([3, 4], 0)            = 0
[pid 15316] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15316] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15316] sync()                      = 0
[pid 15316] exit_group(0)               = ?
[pid 15316] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15316, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15317 attached
, child_tidptr=0x555555bcb690) = 15317
[pid 15317] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15317] setpgid(0, 0)               = 0
[pid 15317] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15317] write(3, "1000", 4)         = 4
[pid 15317] close(3)                    = 0
[pid 15317] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15317] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15317] pipe2([3, 4], 0)            = 0
[pid 15317] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15317] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15317] sync()                      = 0
[pid 15317] exit_group(0)               = ?
[pid 15317] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15317, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15318
./strace-static-x86_64: Process 15318 attached
[pid 15318] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15318] setpgid(0, 0)               = 0
[pid 15318] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15318] write(3, "1000", 4)         = 4
[pid 15318] close(3)                    = 0
[pid 15318] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15318] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15318] pipe2([3, 4], 0)            = 0
[pid 15318] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15318] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15318] sync()                      = 0
[pid 15318] exit_group(0)               = ?
[pid 15318] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15318, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15319 attached
, child_tidptr=0x555555bcb690) = 15319
[pid 15319] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15319] setpgid(0, 0)               = 0
[pid 15319] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15319] write(3, "1000", 4)         = 4
[pid 15319] close(3)                    = 0
[pid 15319] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15319] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15319] pipe2([3, 4], 0)            = 0
[pid 15319] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15319] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15319] sync()                      = 0
[pid 15319] exit_group(0)               = ?
[pid 15319] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15319, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15320 attached
, child_tidptr=0x555555bcb690) = 15320
[pid 15320] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15320] setpgid(0, 0)               = 0
[pid 15320] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15320] write(3, "1000", 4)         = 4
[pid 15320] close(3)                    = 0
[pid 15320] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15320] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15320] pipe2([3, 4], 0)            = 0
[pid 15320] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15320] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15320] sync()                      = 0
[pid 15320] exit_group(0)               = ?
[pid 15320] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15320, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15321 attached
, child_tidptr=0x555555bcb690) = 15321
[pid 15321] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15321] setpgid(0, 0)               = 0
[pid 15321] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15321] write(3, "1000", 4)         = 4
[pid 15321] close(3)                    = 0
[pid 15321] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15321] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15321] pipe2([3, 4], 0)            = 0
[pid 15321] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15321] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15321] sync()                      = 0
[pid 15321] exit_group(0)               = ?
[pid 15321] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15321, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15322
./strace-static-x86_64: Process 15322 attached
[pid 15322] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15322] setpgid(0, 0)               = 0
[pid 15322] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15322] write(3, "1000", 4)         = 4
[pid 15322] close(3)                    = 0
[pid 15322] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15322] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15322] pipe2([3, 4], 0)            = 0
[pid 15322] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15322] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15322] sync()                      = 0
[pid 15322] exit_group(0)               = ?
[pid 15322] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15322, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15323 attached
, child_tidptr=0x555555bcb690) = 15323
[pid 15323] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15323] setpgid(0, 0)               = 0
[pid 15323] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15323] write(3, "1000", 4)         = 4
[pid 15323] close(3)                    = 0
[pid 15323] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15323] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15323] pipe2([3, 4], 0)            = 0
[pid 15323] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15323] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15323] sync()                      = 0
[pid 15323] exit_group(0)               = ?
[pid 15323] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15323, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15324 attached
, child_tidptr=0x555555bcb690) = 15324
[pid 15324] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15324] setpgid(0, 0)               = 0
[pid 15324] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15324] write(3, "1000", 4)         = 4
[pid 15324] close(3)                    = 0
[pid 15324] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15324] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15324] pipe2([3, 4], 0)            = 0
[pid 15324] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15324] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15324] sync()                      = 0
[pid 15324] exit_group(0)               = ?
[pid 15324] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15324, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15325 attached
, child_tidptr=0x555555bcb690) = 15325
[pid 15325] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15325] setpgid(0, 0)               = 0
[pid 15325] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15325] write(3, "1000", 4)         = 4
[pid 15325] close(3)                    = 0
[pid 15325] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15325] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15325] pipe2([3, 4], 0)            = 0
[pid 15325] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15325] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15325] sync()                      = 0
[pid 15325] exit_group(0)               = ?
[pid 15325] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15325, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15326 attached
, child_tidptr=0x555555bcb690) = 15326
[pid 15326] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15326] setpgid(0, 0)               = 0
[pid 15326] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15326] write(3, "1000", 4)         = 4
[pid 15326] close(3)                    = 0
[pid 15326] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15326] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15326] pipe2([3, 4], 0)            = 0
[pid 15326] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15326] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15326] sync()                      = 0
[pid 15326] exit_group(0)               = ?
[pid 15326] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15326, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15327
./strace-static-x86_64: Process 15327 attached
[pid 15327] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15327] setpgid(0, 0)               = 0
[pid 15327] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15327] write(3, "1000", 4)         = 4
[pid 15327] close(3)                    = 0
[pid 15327] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15327] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15327] pipe2([3, 4], 0)            = 0
[pid 15327] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15327] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15327] sync()                      = 0
[pid 15327] exit_group(0)               = ?
[pid 15327] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15327, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15328
./strace-static-x86_64: Process 15328 attached
[pid 15328] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15328] setpgid(0, 0)               = 0
[pid 15328] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15328] write(3, "1000", 4)         = 4
[pid 15328] close(3)                    = 0
[pid 15328] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15328] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15328] pipe2([3, 4], 0)            = 0
[pid 15328] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15328] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15328] sync()                      = 0
[pid 15328] exit_group(0)               = ?
[pid 15328] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15328, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15329 attached
, child_tidptr=0x555555bcb690) = 15329
[pid 15329] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15329] setpgid(0, 0)               = 0
[pid 15329] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15329] write(3, "1000", 4)         = 4
[pid 15329] close(3)                    = 0
[pid 15329] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15329] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15329] pipe2([3, 4], 0)            = 0
[pid 15329] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15329] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15329] sync()                      = 0
[pid 15329] exit_group(0)               = ?
[pid 15329] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15329, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15330 attached
, child_tidptr=0x555555bcb690) = 15330
[pid 15330] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15330] setpgid(0, 0)               = 0
[pid 15330] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15330] write(3, "1000", 4)         = 4
[pid 15330] close(3)                    = 0
[pid 15330] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15330] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15330] pipe2([3, 4], 0)            = 0
[pid 15330] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15330] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15330] sync()                      = 0
[pid 15330] exit_group(0)               = ?
[pid 15330] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15330, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15331 attached
, child_tidptr=0x555555bcb690) = 15331
[pid 15331] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15331] setpgid(0, 0)               = 0
[pid 15331] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15331] write(3, "1000", 4)         = 4
[pid 15331] close(3)                    = 0
[pid 15331] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15331] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15331] pipe2([3, 4], 0)            = 0
[pid 15331] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15331] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15331] sync()                      = 0
[pid 15331] exit_group(0)               = ?
[pid 15331] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15331, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15332 attached
, child_tidptr=0x555555bcb690) = 15332
[pid 15332] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15332] setpgid(0, 0)               = 0
[pid 15332] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15332] write(3, "1000", 4)         = 4
[pid 15332] close(3)                    = 0
[pid 15332] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15332] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15332] pipe2([3, 4], 0)            = 0
[pid 15332] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15332] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15332] sync()                      = 0
[pid 15332] exit_group(0)               = ?
[pid 15332] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15332, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15333 attached
, child_tidptr=0x555555bcb690) = 15333
[pid 15333] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15333] setpgid(0, 0)               = 0
[pid 15333] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15333] write(3, "1000", 4)         = 4
[pid 15333] close(3)                    = 0
[pid 15333] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15333] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15333] pipe2([3, 4], 0)            = 0
[pid 15333] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15333] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15333] sync()                      = 0
[pid 15333] exit_group(0)               = ?
[pid 15333] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15333, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15334
./strace-static-x86_64: Process 15334 attached
[pid 15334] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15334] setpgid(0, 0)               = 0
[pid 15334] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15334] write(3, "1000", 4)         = 4
[pid 15334] close(3)                    = 0
[pid 15334] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15334] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15334] pipe2([3, 4], 0)            = 0
[pid 15334] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15334] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15334] sync()                      = 0
[pid 15334] exit_group(0)               = ?
[pid 15334] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15334, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15335 attached
, child_tidptr=0x555555bcb690) = 15335
[pid 15335] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15335] setpgid(0, 0)               = 0
[pid 15335] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15335] write(3, "1000", 4)         = 4
[pid 15335] close(3)                    = 0
[pid 15335] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15335] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15335] pipe2([3, 4], 0)            = 0
[pid 15335] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15335] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15335] sync()                      = 0
[pid 15335] exit_group(0)               = ?
[pid 15335] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15335, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15336 attached
, child_tidptr=0x555555bcb690) = 15336
[pid 15336] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15336] setpgid(0, 0)               = 0
[pid 15336] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15336] write(3, "1000", 4)         = 4
[pid 15336] close(3)                    = 0
[pid 15336] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15336] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15336] pipe2([3, 4], 0)            = 0
[pid 15336] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15336] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15336] sync()                      = 0
[pid 15336] exit_group(0)               = ?
[pid 15336] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15336, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15337 attached
, child_tidptr=0x555555bcb690) = 15337
[pid 15337] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15337] setpgid(0, 0)               = 0
[pid 15337] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15337] write(3, "1000", 4)         = 4
[pid 15337] close(3)                    = 0
[pid 15337] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15337] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15337] pipe2([3, 4], 0)            = 0
[pid 15337] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15337] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15337] sync()                      = 0
[pid 15337] exit_group(0)               = ?
[pid 15337] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15337, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15338
./strace-static-x86_64: Process 15338 attached
[pid 15338] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15338] setpgid(0, 0)               = 0
[pid 15338] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15338] write(3, "1000", 4)         = 4
[pid 15338] close(3)                    = 0
[pid 15338] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15338] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15338] pipe2([3, 4], 0)            = 0
[pid 15338] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15338] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15338] sync()                      = 0
[pid 15338] exit_group(0)               = ?
[pid 15338] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15338, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15339
./strace-static-x86_64: Process 15339 attached
[pid 15339] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15339] setpgid(0, 0)               = 0
[pid 15339] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15339] write(3, "1000", 4)         = 4
[pid 15339] close(3)                    = 0
[pid 15339] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15339] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15339] pipe2([3, 4], 0)            = 0
[pid 15339] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15339] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15339] sync()                      = 0
[pid 15339] exit_group(0)               = ?
[pid 15339] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15339, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15340
./strace-static-x86_64: Process 15340 attached
[pid 15340] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15340] setpgid(0, 0)               = 0
[pid 15340] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15340] write(3, "1000", 4)         = 4
[pid 15340] close(3)                    = 0
[pid 15340] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15340] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15340] pipe2([3, 4], 0)            = 0
[pid 15340] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15340] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15340] sync()                      = 0
[pid 15340] exit_group(0)               = ?
[pid 15340] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15340, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15341
./strace-static-x86_64: Process 15341 attached
[pid 15341] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15341] setpgid(0, 0)               = 0
[pid 15341] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15341] write(3, "1000", 4)         = 4
[pid 15341] close(3)                    = 0
[pid 15341] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15341] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15341] pipe2([3, 4], 0)            = 0
[pid 15341] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15341] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15341] sync()                      = 0
[pid 15341] exit_group(0)               = ?
[pid 15341] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15341, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15342 attached
, child_tidptr=0x555555bcb690) = 15342
[pid 15342] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15342] setpgid(0, 0)               = 0
[pid 15342] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15342] write(3, "1000", 4)         = 4
[pid 15342] close(3)                    = 0
[pid 15342] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15342] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15342] pipe2([3, 4], 0)            = 0
[pid 15342] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15342] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15342] sync()                      = 0
[pid 15342] exit_group(0)               = ?
[pid 15342] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15342, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15343 attached
, child_tidptr=0x555555bcb690) = 15343
[pid 15343] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15343] setpgid(0, 0)               = 0
[pid 15343] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15343] write(3, "1000", 4)         = 4
[pid 15343] close(3)                    = 0
[pid 15343] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15343] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15343] pipe2([3, 4], 0)            = 0
[pid 15343] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15343] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15343] sync()                      = 0
[pid 15343] exit_group(0)               = ?
[pid 15343] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15343, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15344 attached
, child_tidptr=0x555555bcb690) = 15344
[pid 15344] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15344] setpgid(0, 0)               = 0
[pid 15344] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15344] write(3, "1000", 4)         = 4
[pid 15344] close(3)                    = 0
[pid 15344] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15344] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15344] pipe2([3, 4], 0)            = 0
[pid 15344] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15344] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15344] sync()                      = 0
[pid 15344] exit_group(0)               = ?
[pid 15344] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15344, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15345
./strace-static-x86_64: Process 15345 attached
[pid 15345] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15345] setpgid(0, 0)               = 0
[pid 15345] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15345] write(3, "1000", 4)         = 4
[pid 15345] close(3)                    = 0
[pid 15345] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15345] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15345] pipe2([3, 4], 0)            = 0
[pid 15345] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15345] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15345] sync()                      = 0
[pid 15345] exit_group(0)               = ?
[pid 15345] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15345, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15346
./strace-static-x86_64: Process 15346 attached
[pid 15346] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15346] setpgid(0, 0)               = 0
[pid 15346] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15346] write(3, "1000", 4)         = 4
[pid 15346] close(3)                    = 0
[pid 15346] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15346] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15346] pipe2([3, 4], 0)            = 0
[pid 15346] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15346] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15346] sync()                      = 0
[pid 15346] exit_group(0)               = ?
[pid 15346] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15346, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15347 attached
, child_tidptr=0x555555bcb690) = 15347
[pid 15347] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15347] setpgid(0, 0)               = 0
[pid 15347] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15347] write(3, "1000", 4)         = 4
[pid 15347] close(3)                    = 0
[pid 15347] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15347] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15347] pipe2([3, 4], 0)            = 0
[pid 15347] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15347] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15347] sync()                      = 0
[pid 15347] exit_group(0)               = ?
[pid 15347] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15347, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15348
./strace-static-x86_64: Process 15348 attached
[pid 15348] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15348] setpgid(0, 0)               = 0
[pid 15348] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15348] write(3, "1000", 4)         = 4
[pid 15348] close(3)                    = 0
[pid 15348] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15348] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15348] pipe2([3, 4], 0)            = 0
[pid 15348] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15348] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15348] sync()                      = 0
[pid 15348] exit_group(0)               = ?
[pid 15348] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15348, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15349
./strace-static-x86_64: Process 15349 attached
[pid 15349] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15349] setpgid(0, 0)               = 0
[pid 15349] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15349] write(3, "1000", 4)         = 4
[pid 15349] close(3)                    = 0
[pid 15349] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15349] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15349] pipe2([3, 4], 0)            = 0
[pid 15349] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15349] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15349] sync()                      = 0
[pid 15349] exit_group(0)               = ?
[pid 15349] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15349, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15350 attached
 <unfinished ...>
[pid 15350] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15350] setpgid(0, 0)               = 0
[pid 15350] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3603] <... clone resumed>, child_tidptr=0x555555bcb690) = 15350
[pid 15350] <... openat resumed>)       = 3
[pid 15350] write(3, "1000", 4)         = 4
[pid 15350] close(3)                    = 0
[pid 15350] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15350] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15350] pipe2([3, 4], 0)            = 0
[pid 15350] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15350] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15350] sync()                      = 0
[pid 15350] exit_group(0)               = ?
[pid 15350] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15350, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15351
./strace-static-x86_64: Process 15351 attached
[pid 15351] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15351] setpgid(0, 0)               = 0
[pid 15351] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15351] write(3, "1000", 4)         = 4
[pid 15351] close(3)                    = 0
[pid 15351] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15351] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15351] pipe2([3, 4], 0)            = 0
[pid 15351] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15351] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15351] sync()                      = 0
[pid 15351] exit_group(0)               = ?
[pid 15351] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15351, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15352 attached
, child_tidptr=0x555555bcb690) = 15352
[pid 15352] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15352] setpgid(0, 0)               = 0
[pid 15352] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15352] write(3, "1000", 4)         = 4
[pid 15352] close(3)                    = 0
[pid 15352] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15352] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15352] pipe2([3, 4], 0)            = 0
[pid 15352] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15352] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15352] sync()                      = 0
[pid 15352] exit_group(0)               = ?
[pid 15352] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15352, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15353
./strace-static-x86_64: Process 15353 attached
[pid 15353] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15353] setpgid(0, 0)               = 0
[pid 15353] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15353] write(3, "1000", 4)         = 4
[pid 15353] close(3)                    = 0
[pid 15353] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15353] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15353] pipe2([3, 4], 0)            = 0
[pid 15353] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15353] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15353] sync()                      = 0
[pid 15353] exit_group(0)               = ?
[pid 15353] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15353, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15354 attached
, child_tidptr=0x555555bcb690) = 15354
[pid 15354] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15354] setpgid(0, 0)               = 0
[pid 15354] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15354] write(3, "1000", 4)         = 4
[pid 15354] close(3)                    = 0
[pid 15354] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15354] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15354] pipe2([3, 4], 0)            = 0
[pid 15354] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15354] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15354] sync()                      = 0
[pid 15354] exit_group(0)               = ?
[pid 15354] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15354, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15355 attached
, child_tidptr=0x555555bcb690) = 15355
[pid 15355] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15355] setpgid(0, 0)               = 0
[pid 15355] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15355] write(3, "1000", 4)         = 4
[pid 15355] close(3)                    = 0
[pid 15355] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15355] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15355] pipe2([3, 4], 0)            = 0
[pid 15355] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15355] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15355] sync()                      = 0
[pid 15355] exit_group(0)               = ?
[pid 15355] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15355, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15356 attached
, child_tidptr=0x555555bcb690) = 15356
[pid 15356] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15356] setpgid(0, 0)               = 0
[pid 15356] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15356] write(3, "1000", 4)         = 4
[pid 15356] close(3)                    = 0
[pid 15356] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15356] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15356] pipe2([3, 4], 0)            = 0
[pid 15356] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15356] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15356] sync()                      = 0
[pid 15356] exit_group(0)               = ?
[pid 15356] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15356, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15357
./strace-static-x86_64: Process 15357 attached
[pid 15357] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15357] setpgid(0, 0)               = 0
[pid 15357] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15357] write(3, "1000", 4)         = 4
[pid 15357] close(3)                    = 0
[pid 15357] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15357] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15357] pipe2([3, 4], 0)            = 0
[pid 15357] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15357] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15357] sync()                      = 0
[pid 15357] exit_group(0)               = ?
[pid 15357] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15357, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15358 attached
, child_tidptr=0x555555bcb690) = 15358
[pid 15358] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15358] setpgid(0, 0)               = 0
[pid 15358] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15358] write(3, "1000", 4)         = 4
[pid 15358] close(3)                    = 0
[pid 15358] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15358] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15358] pipe2([3, 4], 0)            = 0
[pid 15358] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15358] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15358] sync()                      = 0
[pid 15358] exit_group(0)               = ?
[pid 15358] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15358, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15359 attached
, child_tidptr=0x555555bcb690) = 15359
[pid 15359] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15359] setpgid(0, 0)               = 0
[pid 15359] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15359] write(3, "1000", 4)         = 4
[pid 15359] close(3)                    = 0
[pid 15359] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15359] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15359] pipe2([3, 4], 0)            = 0
[pid 15359] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15359] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15359] sync()                      = 0
[pid 15359] exit_group(0)               = ?
[pid 15359] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15359, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15360 attached
, child_tidptr=0x555555bcb690) = 15360
[pid 15360] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15360] setpgid(0, 0)               = 0
[pid 15360] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15360] write(3, "1000", 4)         = 4
[pid 15360] close(3)                    = 0
[pid 15360] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15360] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15360] pipe2([3, 4], 0)            = 0
[pid 15360] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15360] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15360] sync()                      = 0
[pid 15360] exit_group(0)               = ?
[pid 15360] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15360, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15361 attached
, child_tidptr=0x555555bcb690) = 15361
[pid 15361] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15361] setpgid(0, 0)               = 0
[pid 15361] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15361] write(3, "1000", 4)         = 4
[pid 15361] close(3)                    = 0
[pid 15361] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15361] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15361] pipe2([3, 4], 0)            = 0
[pid 15361] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15361] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15361] sync()                      = 0
[pid 15361] exit_group(0)               = ?
[pid 15361] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15361, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15362
./strace-static-x86_64: Process 15362 attached
[pid 15362] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15362] setpgid(0, 0)               = 0
[pid 15362] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15362] write(3, "1000", 4)         = 4
[pid 15362] close(3)                    = 0
[pid 15362] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15362] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15362] pipe2([3, 4], 0)            = 0
[pid 15362] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15362] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15362] sync()                      = 0
[pid 15362] exit_group(0)               = ?
[pid 15362] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15362, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15363
./strace-static-x86_64: Process 15363 attached
[pid 15363] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15363] setpgid(0, 0)               = 0
[pid 15363] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15363] write(3, "1000", 4)         = 4
[pid 15363] close(3)                    = 0
[pid 15363] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15363] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15363] pipe2([3, 4], 0)            = 0
[pid 15363] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15363] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15363] sync()                      = 0
[pid 15363] exit_group(0)               = ?
[pid 15363] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15363, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15364 attached
, child_tidptr=0x555555bcb690) = 15364
[pid 15364] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15364] setpgid(0, 0)               = 0
[pid 15364] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15364] write(3, "1000", 4)         = 4
[pid 15364] close(3)                    = 0
[pid 15364] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15364] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15364] pipe2([3, 4], 0)            = 0
[pid 15364] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15364] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15364] sync()                      = 0
[pid 15364] exit_group(0)               = ?
[pid 15364] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15364, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15365 attached
, child_tidptr=0x555555bcb690) = 15365
[pid 15365] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15365] setpgid(0, 0)               = 0
[pid 15365] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15365] write(3, "1000", 4)         = 4
[pid 15365] close(3)                    = 0
[pid 15365] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15365] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15365] pipe2([3, 4], 0)            = 0
[pid 15365] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15365] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15365] sync()                      = 0
[pid 15365] exit_group(0)               = ?
[pid 15365] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15365, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15366 attached
, child_tidptr=0x555555bcb690) = 15366
[pid 15366] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15366] setpgid(0, 0)               = 0
[pid 15366] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15366] write(3, "1000", 4)         = 4
[pid 15366] close(3)                    = 0
[pid 15366] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15366] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15366] pipe2([3, 4], 0)            = 0
[pid 15366] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15366] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15366] sync()                      = 0
[pid 15366] exit_group(0)               = ?
[pid 15366] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15366, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15367
./strace-static-x86_64: Process 15367 attached
[pid 15367] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15367] setpgid(0, 0)               = 0
[pid 15367] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15367] write(3, "1000", 4)         = 4
[pid 15367] close(3)                    = 0
[pid 15367] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15367] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15367] pipe2([3, 4], 0)            = 0
[pid 15367] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15367] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15367] sync()                      = 0
[pid 15367] exit_group(0)               = ?
[pid 15367] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15367, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15368 attached
, child_tidptr=0x555555bcb690) = 15368
[pid 15368] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15368] setpgid(0, 0)               = 0
[pid 15368] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15368] write(3, "1000", 4)         = 4
[pid 15368] close(3)                    = 0
[pid 15368] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15368] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15368] pipe2([3, 4], 0)            = 0
[pid 15368] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15368] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15368] sync()                      = 0
[pid 15368] exit_group(0)               = ?
[pid 15368] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15368, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15369 attached
, child_tidptr=0x555555bcb690) = 15369
[pid 15369] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15369] setpgid(0, 0)               = 0
[pid 15369] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15369] write(3, "1000", 4)         = 4
[pid 15369] close(3)                    = 0
[pid 15369] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15369] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15369] pipe2([3, 4], 0)            = 0
[pid 15369] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15369] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15369] sync()                      = 0
[pid 15369] exit_group(0)               = ?
[pid 15369] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15369, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15370
./strace-static-x86_64: Process 15370 attached
[pid 15370] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15370] setpgid(0, 0)               = 0
[pid 15370] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15370] write(3, "1000", 4)         = 4
[pid 15370] close(3)                    = 0
[pid 15370] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15370] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15370] pipe2([3, 4], 0)            = 0
[pid 15370] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15370] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15370] sync()                      = 0
[pid 15370] exit_group(0)               = ?
[pid 15370] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15370, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15371
./strace-static-x86_64: Process 15371 attached
[pid 15371] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15371] setpgid(0, 0)               = 0
[pid 15371] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15371] write(3, "1000", 4)         = 4
[pid 15371] close(3)                    = 0
[pid 15371] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15371] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15371] pipe2([3, 4], 0)            = 0
[pid 15371] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15371] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15371] sync()                      = 0
[pid 15371] exit_group(0)               = ?
[pid 15371] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15371, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15372
./strace-static-x86_64: Process 15372 attached
[pid 15372] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15372] setpgid(0, 0)               = 0
[pid 15372] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15372] write(3, "1000", 4)         = 4
[pid 15372] close(3)                    = 0
[pid 15372] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15372] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15372] pipe2([3, 4], 0)            = 0
[pid 15372] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15372] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15372] sync()                      = 0
[pid 15372] exit_group(0)               = ?
[pid 15372] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15372, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15373
./strace-static-x86_64: Process 15373 attached
[pid 15373] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15373] setpgid(0, 0)               = 0
[pid 15373] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15373] write(3, "1000", 4)         = 4
[pid 15373] close(3)                    = 0
[pid 15373] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15373] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15373] pipe2([3, 4], 0)            = 0
[pid 15373] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15373] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15373] sync()                      = 0
[pid 15373] exit_group(0)               = ?
[pid 15373] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15373, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15374 attached
, child_tidptr=0x555555bcb690) = 15374
[pid 15374] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15374] setpgid(0, 0)               = 0
[pid 15374] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15374] write(3, "1000", 4)         = 4
[pid 15374] close(3)                    = 0
[pid 15374] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15374] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15374] pipe2([3, 4], 0)            = 0
[pid 15374] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15374] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15374] sync()                      = 0
[pid 15374] exit_group(0)               = ?
[pid 15374] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15374, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15375 attached
, child_tidptr=0x555555bcb690) = 15375
[pid 15375] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15375] setpgid(0, 0)               = 0
[pid 15375] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15375] write(3, "1000", 4)         = 4
[pid 15375] close(3)                    = 0
[pid 15375] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15375] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15375] pipe2([3, 4], 0)            = 0
[pid 15375] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15375] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15375] sync()                      = 0
[pid 15375] exit_group(0)               = ?
[pid 15375] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15375, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15376 attached
, child_tidptr=0x555555bcb690) = 15376
[pid 15376] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15376] setpgid(0, 0)               = 0
[pid 15376] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15376] write(3, "1000", 4)         = 4
[pid 15376] close(3)                    = 0
[pid 15376] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15376] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15376] pipe2([3, 4], 0)            = 0
[pid 15376] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15376] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15376] sync()                      = 0
[pid 15376] exit_group(0)               = ?
[pid 15376] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15376, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15377 attached
, child_tidptr=0x555555bcb690) = 15377
[pid 15377] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15377] setpgid(0, 0)               = 0
[pid 15377] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15377] write(3, "1000", 4)         = 4
[pid 15377] close(3)                    = 0
[pid 15377] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15377] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15377] pipe2([3, 4], 0)            = 0
[pid 15377] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15377] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15377] sync()                      = 0
[pid 15377] exit_group(0)               = ?
[pid 15377] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15377, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15378 attached
, child_tidptr=0x555555bcb690) = 15378
[pid 15378] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15378] setpgid(0, 0)               = 0
[pid 15378] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15378] write(3, "1000", 4)         = 4
[pid 15378] close(3)                    = 0
[pid 15378] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15378] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15378] pipe2([3, 4], 0)            = 0
[pid 15378] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15378] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15378] sync()                      = 0
[pid 15378] exit_group(0)               = ?
[pid 15378] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15378, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15379 attached
, child_tidptr=0x555555bcb690) = 15379
[pid 15379] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15379] setpgid(0, 0)               = 0
[pid 15379] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15379] write(3, "1000", 4)         = 4
[pid 15379] close(3)                    = 0
[pid 15379] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15379] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15379] pipe2([3, 4], 0)            = 0
[pid 15379] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15379] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15379] sync()                      = 0
[pid 15379] exit_group(0)               = ?
[pid 15379] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15379, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15380 attached
, child_tidptr=0x555555bcb690) = 15380
[pid 15380] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15380] setpgid(0, 0)               = 0
[pid 15380] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15380] write(3, "1000", 4)         = 4
[pid 15380] close(3)                    = 0
[pid 15380] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15380] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15380] pipe2([3, 4], 0)            = 0
[pid 15380] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15380] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15380] sync()                      = 0
[pid 15380] exit_group(0)               = ?
[pid 15380] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15380, si_uid=0, si_status=0, si_utime=1, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15381
./strace-static-x86_64: Process 15381 attached
[pid 15381] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15381] setpgid(0, 0)               = 0
[pid 15381] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15381] write(3, "1000", 4)         = 4
[pid 15381] close(3)                    = 0
[pid 15381] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15381] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15381] pipe2([3, 4], 0)            = 0
[pid 15381] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15381] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15381] sync()                      = 0
[pid 15381] exit_group(0)               = ?
[pid 15381] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15381, si_uid=0, si_status=0, si_utime=1, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15382 attached
, child_tidptr=0x555555bcb690) = 15382
[pid 15382] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15382] setpgid(0, 0)               = 0
[pid 15382] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15382] write(3, "1000", 4)         = 4
[pid 15382] close(3)                    = 0
[pid 15382] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15382] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15382] pipe2([3, 4], 0)            = 0
[pid 15382] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15382] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15382] sync()                      = 0
[pid 15382] exit_group(0)               = ?
[pid 15382] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15382, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15383 attached
, child_tidptr=0x555555bcb690) = 15383
[pid 15383] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15383] setpgid(0, 0)               = 0
[pid 15383] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15383] write(3, "1000", 4)         = 4
[pid 15383] close(3)                    = 0
[pid 15383] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15383] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15383] pipe2([3, 4], 0)            = 0
[pid 15383] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15383] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15383] sync()                      = 0
[pid 15383] exit_group(0)               = ?
[pid 15383] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15383, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15384 attached
, child_tidptr=0x555555bcb690) = 15384
[pid 15384] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15384] setpgid(0, 0)               = 0
[pid 15384] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15384] write(3, "1000", 4)         = 4
[pid 15384] close(3)                    = 0
[pid 15384] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15384] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15384] pipe2([3, 4], 0)            = 0
[pid 15384] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15384] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15384] sync()                      = 0
[pid 15384] exit_group(0)               = ?
[pid 15384] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15384, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15385 attached
, child_tidptr=0x555555bcb690) = 15385
[pid 15385] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15385] setpgid(0, 0)               = 0
[pid 15385] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15385] write(3, "1000", 4)         = 4
[pid 15385] close(3)                    = 0
[pid 15385] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15385] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15385] pipe2([3, 4], 0)            = 0
[pid 15385] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15385] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15385] sync()                      = 0
[pid 15385] exit_group(0)               = ?
[pid 15385] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15385, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15386 attached
, child_tidptr=0x555555bcb690) = 15386
[pid 15386] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15386] setpgid(0, 0)               = 0
[pid 15386] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15386] write(3, "1000", 4)         = 4
[pid 15386] close(3)                    = 0
[pid 15386] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15386] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15386] pipe2([3, 4], 0)            = 0
[pid 15386] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15386] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15386] sync()                      = 0
[pid 15386] exit_group(0)               = ?
[pid 15386] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15386, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15387 attached
, child_tidptr=0x555555bcb690) = 15387
[pid 15387] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15387] setpgid(0, 0)               = 0
[pid 15387] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15387] write(3, "1000", 4)         = 4
[pid 15387] close(3)                    = 0
[pid 15387] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15387] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15387] pipe2([3, 4], 0)            = 0
[pid 15387] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15387] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15387] sync()                      = 0
[pid 15387] exit_group(0)               = ?
[pid 15387] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15387, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15388 attached
, child_tidptr=0x555555bcb690) = 15388
[pid 15388] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15388] setpgid(0, 0)               = 0
[pid 15388] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15388] write(3, "1000", 4)         = 4
[pid 15388] close(3)                    = 0
[pid 15388] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15388] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15388] pipe2([3, 4], 0)            = 0
[pid 15388] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15388] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15388] sync()                      = 0
[pid 15388] exit_group(0)               = ?
[pid 15388] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15388, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15389 attached
, child_tidptr=0x555555bcb690) = 15389
[pid 15389] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15389] setpgid(0, 0)               = 0
[pid 15389] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15389] write(3, "1000", 4)         = 4
[pid 15389] close(3)                    = 0
[pid 15389] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15389] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15389] pipe2([3, 4], 0)            = 0
[pid 15389] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15389] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15389] sync()                      = 0
[pid 15389] exit_group(0)               = ?
[pid 15389] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15389, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15390 attached
, child_tidptr=0x555555bcb690) = 15390
[pid 15390] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15390] setpgid(0, 0)               = 0
[pid 15390] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15390] write(3, "1000", 4)         = 4
[pid 15390] close(3)                    = 0
[pid 15390] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15390] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15390] pipe2([3, 4], 0)            = 0
[pid 15390] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15390] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15390] sync()                      = 0
[pid 15390] exit_group(0)               = ?
[pid 15390] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15390, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15391 attached
, child_tidptr=0x555555bcb690) = 15391
[pid 15391] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15391] setpgid(0, 0)               = 0
[pid 15391] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15391] write(3, "1000", 4)         = 4
[pid 15391] close(3)                    = 0
[pid 15391] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15391] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15391] pipe2([3, 4], 0)            = 0
[pid 15391] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15391] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15391] sync()                      = 0
[pid 15391] exit_group(0)               = ?
[pid 15391] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15391, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15392 attached
, child_tidptr=0x555555bcb690) = 15392
[pid 15392] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15392] setpgid(0, 0)               = 0
[pid 15392] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15392] write(3, "1000", 4)         = 4
[pid 15392] close(3)                    = 0
[pid 15392] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15392] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15392] pipe2([3, 4], 0)            = 0
[pid 15392] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15392] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15392] sync()                      = 0
[pid 15392] exit_group(0)               = ?
[pid 15392] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15392, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15393 attached
, child_tidptr=0x555555bcb690) = 15393
[pid 15393] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15393] setpgid(0, 0)               = 0
[pid 15393] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15393] write(3, "1000", 4)         = 4
[pid 15393] close(3)                    = 0
[pid 15393] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15393] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15393] pipe2([3, 4], 0)            = 0
[pid 15393] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15393] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15393] sync()                      = 0
[pid 15393] exit_group(0)               = ?
[pid 15393] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15393, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15394 attached
, child_tidptr=0x555555bcb690) = 15394
[pid 15394] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15394] setpgid(0, 0)               = 0
[pid 15394] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15394] write(3, "1000", 4)         = 4
[pid 15394] close(3)                    = 0
[pid 15394] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15394] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15394] pipe2([3, 4], 0)            = 0
[pid 15394] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15394] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15394] sync()                      = 0
[pid 15394] exit_group(0)               = ?
[pid 15394] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15394, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15395 attached
, child_tidptr=0x555555bcb690) = 15395
[pid 15395] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15395] setpgid(0, 0)               = 0
[pid 15395] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15395] write(3, "1000", 4)         = 4
[pid 15395] close(3)                    = 0
[pid 15395] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15395] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15395] pipe2([3, 4], 0)            = 0
[pid 15395] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15395] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15395] sync()                      = 0
[pid 15395] exit_group(0)               = ?
[pid 15395] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15395, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15396 attached
, child_tidptr=0x555555bcb690) = 15396
[pid 15396] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15396] setpgid(0, 0)               = 0
[pid 15396] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15396] write(3, "1000", 4)         = 4
[pid 15396] close(3)                    = 0
[pid 15396] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15396] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15396] pipe2([3, 4], 0)            = 0
[pid 15396] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15396] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15396] sync()                      = 0
[pid 15396] exit_group(0)               = ?
[pid 15396] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15396, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15397 attached
, child_tidptr=0x555555bcb690) = 15397
[pid 15397] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15397] setpgid(0, 0)               = 0
[pid 15397] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15397] write(3, "1000", 4)         = 4
[pid 15397] close(3)                    = 0
[pid 15397] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15397] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15397] pipe2([3, 4], 0)            = 0
[pid 15397] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15397] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15397] sync()                      = 0
[pid 15397] exit_group(0)               = ?
[pid 15397] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15397, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15398
./strace-static-x86_64: Process 15398 attached
[pid 15398] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15398] setpgid(0, 0)               = 0
[pid 15398] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15398] write(3, "1000", 4)         = 4
[pid 15398] close(3)                    = 0
[pid 15398] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15398] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15398] pipe2([3, 4], 0)            = 0
[pid 15398] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15398] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15398] sync()                      = 0
[pid 15398] exit_group(0)               = ?
[pid 15398] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15398, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15399
./strace-static-x86_64: Process 15399 attached
[pid 15399] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15399] setpgid(0, 0)               = 0
[pid 15399] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15399] write(3, "1000", 4)         = 4
[pid 15399] close(3)                    = 0
[pid 15399] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15399] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15399] pipe2([3, 4], 0)            = 0
[pid 15399] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15399] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15399] sync()                      = 0
[pid 15399] exit_group(0)               = ?
[pid 15399] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15399, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15400
./strace-static-x86_64: Process 15400 attached
[pid 15400] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15400] setpgid(0, 0)               = 0
[pid 15400] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15400] write(3, "1000", 4)         = 4
[pid 15400] close(3)                    = 0
[pid 15400] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15400] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15400] pipe2([3, 4], 0)            = 0
[pid 15400] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15400] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15400] sync()                      = 0
[pid 15400] exit_group(0)               = ?
[pid 15400] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15400, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15401
./strace-static-x86_64: Process 15401 attached
[pid 15401] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15401] setpgid(0, 0)               = 0
[pid 15401] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15401] write(3, "1000", 4)         = 4
[pid 15401] close(3)                    = 0
[pid 15401] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15401] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15401] pipe2([3, 4], 0)            = 0
[pid 15401] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15401] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15401] sync()                      = 0
[pid 15401] exit_group(0)               = ?
[pid 15401] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15401, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15402
./strace-static-x86_64: Process 15402 attached
[pid 15402] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15402] setpgid(0, 0)               = 0
[pid 15402] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15402] write(3, "1000", 4)         = 4
[pid 15402] close(3)                    = 0
[pid 15402] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15402] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15402] pipe2([3, 4], 0)            = 0
[pid 15402] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15402] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15402] sync()                      = 0
[pid 15402] exit_group(0)               = ?
[pid 15402] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15402, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15403 attached
, child_tidptr=0x555555bcb690) = 15403
[pid 15403] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15403] setpgid(0, 0)               = 0
[pid 15403] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15403] write(3, "1000", 4)         = 4
[pid 15403] close(3)                    = 0
[pid 15403] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15403] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15403] pipe2([3, 4], 0)            = 0
[pid 15403] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15403] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15403] sync()                      = 0
[pid 15403] exit_group(0)               = ?
[pid 15403] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15403, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15404 attached
, child_tidptr=0x555555bcb690) = 15404
[pid 15404] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15404] setpgid(0, 0)               = 0
[pid 15404] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15404] write(3, "1000", 4)         = 4
[pid 15404] close(3)                    = 0
[pid 15404] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15404] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15404] pipe2([3, 4], 0)            = 0
[pid 15404] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15404] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15404] sync()                      = 0
[pid 15404] exit_group(0)               = ?
[pid 15404] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15404, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15405
./strace-static-x86_64: Process 15405 attached
[pid 15405] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15405] setpgid(0, 0)               = 0
[pid 15405] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15405] write(3, "1000", 4)         = 4
[pid 15405] close(3)                    = 0
[pid 15405] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15405] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15405] pipe2([3, 4], 0)            = 0
[pid 15405] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15405] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15405] sync()                      = 0
[pid 15405] exit_group(0)               = ?
[pid 15405] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15405, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15406 attached
, child_tidptr=0x555555bcb690) = 15406
[pid 15406] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15406] setpgid(0, 0)               = 0
[pid 15406] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15406] write(3, "1000", 4)         = 4
[pid 15406] close(3)                    = 0
[pid 15406] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15406] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15406] pipe2([3, 4], 0)            = 0
[pid 15406] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15406] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15406] sync()                      = 0
[pid 15406] exit_group(0)               = ?
[pid 15406] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15406, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15407
./strace-static-x86_64: Process 15407 attached
[pid 15407] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15407] setpgid(0, 0)               = 0
[pid 15407] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15407] write(3, "1000", 4)         = 4
[pid 15407] close(3)                    = 0
[pid 15407] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15407] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15407] pipe2([3, 4], 0)            = 0
[pid 15407] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15407] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15407] sync()                      = 0
[pid 15407] exit_group(0)               = ?
[pid 15407] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15407, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15408 attached
, child_tidptr=0x555555bcb690) = 15408
[pid 15408] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15408] setpgid(0, 0)               = 0
[pid 15408] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15408] write(3, "1000", 4)         = 4
[pid 15408] close(3)                    = 0
[pid 15408] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15408] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15408] pipe2([3, 4], 0)            = 0
[pid 15408] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15408] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15408] sync()                      = 0
[pid 15408] exit_group(0)               = ?
[pid 15408] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15408, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15409 attached
, child_tidptr=0x555555bcb690) = 15409
[pid 15409] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15409] setpgid(0, 0)               = 0
[pid 15409] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15409] write(3, "1000", 4)         = 4
[pid 15409] close(3)                    = 0
[pid 15409] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15409] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15409] pipe2([3, 4], 0)            = 0
[pid 15409] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15409] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15409] sync()                      = 0
[pid 15409] exit_group(0)               = ?
[pid 15409] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15409, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15410 attached
, child_tidptr=0x555555bcb690) = 15410
[pid 15410] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15410] setpgid(0, 0)               = 0
[pid 15410] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15410] write(3, "1000", 4)         = 4
[pid 15410] close(3)                    = 0
[pid 15410] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15410] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15410] pipe2([3, 4], 0)            = 0
[pid 15410] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15410] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15410] sync()                      = 0
[pid 15410] exit_group(0)               = ?
[pid 15410] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15410, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15411
./strace-static-x86_64: Process 15411 attached
[pid 15411] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15411] setpgid(0, 0)               = 0
[pid 15411] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15411] write(3, "1000", 4)         = 4
[pid 15411] close(3)                    = 0
[pid 15411] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15411] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15411] pipe2([3, 4], 0)            = 0
[pid 15411] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15411] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15411] sync()                      = 0
[pid 15411] exit_group(0)               = ?
[pid 15411] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15411, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15412
./strace-static-x86_64: Process 15412 attached
[pid 15412] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15412] setpgid(0, 0)               = 0
[pid 15412] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15412] write(3, "1000", 4)         = 4
[pid 15412] close(3)                    = 0
[pid 15412] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15412] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15412] pipe2([3, 4], 0)            = 0
[pid 15412] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15412] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15412] sync()                      = 0
[pid 15412] exit_group(0)               = ?
[pid 15412] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15412, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15413 attached
, child_tidptr=0x555555bcb690) = 15413
[pid 15413] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15413] setpgid(0, 0)               = 0
[pid 15413] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15413] write(3, "1000", 4)         = 4
[pid 15413] close(3)                    = 0
[pid 15413] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15413] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15413] pipe2([3, 4], 0)            = 0
[pid 15413] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15413] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15413] sync()                      = 0
[pid 15413] exit_group(0)               = ?
[pid 15413] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15413, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15414 attached
, child_tidptr=0x555555bcb690) = 15414
[pid 15414] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15414] setpgid(0, 0)               = 0
[pid 15414] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15414] write(3, "1000", 4)         = 4
[pid 15414] close(3)                    = 0
[pid 15414] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15414] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15414] pipe2([3, 4], 0)            = 0
[pid 15414] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15414] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15414] sync()                      = 0
[pid 15414] exit_group(0)               = ?
[pid 15414] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15414, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15415 attached
, child_tidptr=0x555555bcb690) = 15415
[pid 15415] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15415] setpgid(0, 0)               = 0
[pid 15415] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15415] write(3, "1000", 4)         = 4
[pid 15415] close(3)                    = 0
[pid 15415] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15415] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15415] pipe2([3, 4], 0)            = 0
[pid 15415] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15415] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15415] sync()                      = 0
[pid 15415] exit_group(0)               = ?
[pid 15415] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15415, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15416 attached
, child_tidptr=0x555555bcb690) = 15416
[pid 15416] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15416] setpgid(0, 0)               = 0
[pid 15416] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15416] write(3, "1000", 4)         = 4
[pid 15416] close(3)                    = 0
[pid 15416] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15416] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15416] pipe2([3, 4], 0)            = 0
[pid 15416] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15416] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15416] sync()                      = 0
[pid 15416] exit_group(0)               = ?
[pid 15416] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15416, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15417 attached
, child_tidptr=0x555555bcb690) = 15417
[pid 15417] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15417] setpgid(0, 0)               = 0
[pid 15417] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15417] write(3, "1000", 4)         = 4
[pid 15417] close(3)                    = 0
[pid 15417] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15417] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15417] pipe2([3, 4], 0)            = 0
[pid 15417] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15417] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15417] sync()                      = 0
[pid 15417] exit_group(0)               = ?
[pid 15417] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15417, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15418 attached
, child_tidptr=0x555555bcb690) = 15418
[pid 15418] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15418] setpgid(0, 0)               = 0
[pid 15418] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15418] write(3, "1000", 4)         = 4
[pid 15418] close(3)                    = 0
[pid 15418] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15418] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15418] pipe2([3, 4], 0)            = 0
[pid 15418] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15418] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15418] sync()                      = 0
[pid 15418] exit_group(0)               = ?
[pid 15418] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15418, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15419 attached
, child_tidptr=0x555555bcb690) = 15419
[pid 15419] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15419] setpgid(0, 0)               = 0
[pid 15419] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15419] write(3, "1000", 4)         = 4
[pid 15419] close(3)                    = 0
[pid 15419] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15419] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15419] pipe2([3, 4], 0)            = 0
[pid 15419] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15419] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15419] sync()                      = 0
[pid 15419] exit_group(0)               = ?
[pid 15419] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15419, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15420 attached
, child_tidptr=0x555555bcb690) = 15420
[pid 15420] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15420] setpgid(0, 0)               = 0
[pid 15420] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15420] write(3, "1000", 4)         = 4
[pid 15420] close(3)                    = 0
[pid 15420] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15420] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15420] pipe2([3, 4], 0)            = 0
[pid 15420] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15420] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15420] sync()                      = 0
[pid 15420] exit_group(0)               = ?
[pid 15420] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15420, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15421 attached
, child_tidptr=0x555555bcb690) = 15421
[pid 15421] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15421] setpgid(0, 0)               = 0
[pid 15421] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15421] write(3, "1000", 4)         = 4
[pid 15421] close(3)                    = 0
[pid 15421] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15421] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15421] pipe2([3, 4], 0)            = 0
[pid 15421] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15421] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15421] sync()                      = 0
[pid 15421] exit_group(0)               = ?
[pid 15421] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15421, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15422 attached
, child_tidptr=0x555555bcb690) = 15422
[pid 15422] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15422] setpgid(0, 0)               = 0
[pid 15422] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15422] write(3, "1000", 4)         = 4
[pid 15422] close(3)                    = 0
[pid 15422] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15422] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15422] pipe2([3, 4], 0)            = 0
[pid 15422] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15422] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15422] sync()                      = 0
[pid 15422] exit_group(0)               = ?
[pid 15422] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15422, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15423
./strace-static-x86_64: Process 15423 attached
[pid 15423] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15423] setpgid(0, 0)               = 0
[pid 15423] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15423] write(3, "1000", 4)         = 4
[pid 15423] close(3)                    = 0
[pid 15423] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15423] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15423] pipe2([3, 4], 0)            = 0
[pid 15423] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15423] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15423] sync()                      = 0
[pid 15423] exit_group(0)               = ?
[pid 15423] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15423, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15424
./strace-static-x86_64: Process 15424 attached
[pid 15424] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15424] setpgid(0, 0)               = 0
[pid 15424] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15424] write(3, "1000", 4)         = 4
[pid 15424] close(3)                    = 0
[pid 15424] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15424] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15424] pipe2([3, 4], 0)            = 0
[pid 15424] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15424] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15424] sync()                      = 0
[pid 15424] exit_group(0)               = ?
[pid 15424] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15424, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15425
./strace-static-x86_64: Process 15425 attached
[pid 15425] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15425] setpgid(0, 0)               = 0
[pid 15425] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15425] write(3, "1000", 4)         = 4
[pid 15425] close(3)                    = 0
[pid 15425] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15425] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15425] pipe2([3, 4], 0)            = 0
[pid 15425] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15425] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15425] sync()                      = 0
[pid 15425] exit_group(0)               = ?
[pid 15425] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15425, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15426 attached
, child_tidptr=0x555555bcb690) = 15426
[pid 15426] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15426] setpgid(0, 0)               = 0
[pid 15426] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15426] write(3, "1000", 4)         = 4
[pid 15426] close(3)                    = 0
[pid 15426] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15426] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15426] pipe2([3, 4], 0)            = 0
[pid 15426] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15426] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15426] sync()                      = 0
[pid 15426] exit_group(0)               = ?
[pid 15426] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15426, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15427
./strace-static-x86_64: Process 15427 attached
[pid 15427] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15427] setpgid(0, 0)               = 0
[pid 15427] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15427] write(3, "1000", 4)         = 4
[pid 15427] close(3)                    = 0
[pid 15427] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15427] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15427] pipe2([3, 4], 0)            = 0
[pid 15427] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15427] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15427] sync()                      = 0
[pid 15427] exit_group(0)               = ?
[pid 15427] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15427, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15428
./strace-static-x86_64: Process 15428 attached
[pid 15428] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15428] setpgid(0, 0)               = 0
[pid 15428] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15428] write(3, "1000", 4)         = 4
[pid 15428] close(3)                    = 0
[pid 15428] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15428] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15428] pipe2([3, 4], 0)            = 0
[pid 15428] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15428] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15428] sync()                      = 0
[pid 15428] exit_group(0)               = ?
[pid 15428] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15428, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15429 attached
, child_tidptr=0x555555bcb690) = 15429
[pid 15429] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15429] setpgid(0, 0)               = 0
[pid 15429] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15429] write(3, "1000", 4)         = 4
[pid 15429] close(3)                    = 0
[pid 15429] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15429] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15429] pipe2([3, 4], 0)            = 0
[pid 15429] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15429] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15429] sync()                      = 0
[pid 15429] exit_group(0)               = ?
[pid 15429] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15429, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15430 attached
, child_tidptr=0x555555bcb690) = 15430
[pid 15430] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15430] setpgid(0, 0)               = 0
[pid 15430] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15430] write(3, "1000", 4)         = 4
[pid 15430] close(3)                    = 0
[pid 15430] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15430] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15430] pipe2([3, 4], 0)            = 0
[pid 15430] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15430] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15430] sync()                      = 0
[pid 15430] exit_group(0)               = ?
[pid 15430] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15430, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15431 attached
, child_tidptr=0x555555bcb690) = 15431
[pid 15431] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15431] setpgid(0, 0)               = 0
[pid 15431] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15431] write(3, "1000", 4)         = 4
[pid 15431] close(3)                    = 0
[pid 15431] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15431] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15431] pipe2([3, 4], 0)            = 0
[pid 15431] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15431] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15431] sync()                      = 0
[pid 15431] exit_group(0)               = ?
[pid 15431] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15431, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15432 attached
, child_tidptr=0x555555bcb690) = 15432
[pid 15432] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15432] setpgid(0, 0)               = 0
[pid 15432] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15432] write(3, "1000", 4)         = 4
[pid 15432] close(3)                    = 0
[pid 15432] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15432] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15432] pipe2([3, 4], 0)            = 0
[pid 15432] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15432] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15432] sync()                      = 0
[pid 15432] exit_group(0)               = ?
[pid 15432] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15432, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15433 attached
, child_tidptr=0x555555bcb690) = 15433
[pid 15433] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15433] setpgid(0, 0)               = 0
[pid 15433] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15433] write(3, "1000", 4)         = 4
[pid 15433] close(3)                    = 0
[pid 15433] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15433] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15433] pipe2([3, 4], 0)            = 0
[pid 15433] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15433] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15433] sync()                      = 0
[pid 15433] exit_group(0)               = ?
[pid 15433] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15433, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15434 attached
, child_tidptr=0x555555bcb690) = 15434
[pid 15434] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15434] setpgid(0, 0)               = 0
[pid 15434] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15434] write(3, "1000", 4)         = 4
[pid 15434] close(3)                    = 0
[pid 15434] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15434] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15434] pipe2([3, 4], 0)            = 0
[pid 15434] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15434] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15434] sync()                      = 0
[pid 15434] exit_group(0)               = ?
[pid 15434] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15434, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15435
./strace-static-x86_64: Process 15435 attached
[pid 15435] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15435] setpgid(0, 0)               = 0
[pid 15435] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15435] write(3, "1000", 4)         = 4
[pid 15435] close(3)                    = 0
[pid 15435] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15435] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15435] pipe2([3, 4], 0)            = 0
[pid 15435] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15435] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15435] sync()                      = 0
[pid 15435] exit_group(0)               = ?
[pid 15435] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15435, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15436 attached
, child_tidptr=0x555555bcb690) = 15436
[pid 15436] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15436] setpgid(0, 0)               = 0
[pid 15436] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15436] write(3, "1000", 4)         = 4
[pid 15436] close(3)                    = 0
[pid 15436] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15436] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15436] pipe2([3, 4], 0)            = 0
[pid 15436] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15436] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15436] sync()                      = 0
[pid 15436] exit_group(0)               = ?
[pid 15436] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15436, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15437 attached
, child_tidptr=0x555555bcb690) = 15437
[pid 15437] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15437] setpgid(0, 0)               = 0
[pid 15437] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15437] write(3, "1000", 4)         = 4
[pid 15437] close(3)                    = 0
[pid 15437] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15437] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15437] pipe2([3, 4], 0)            = 0
[pid 15437] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15437] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15437] sync()                      = 0
[pid 15437] exit_group(0)               = ?
[pid 15437] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15437, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15438
./strace-static-x86_64: Process 15438 attached
[pid 15438] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15438] setpgid(0, 0)               = 0
[pid 15438] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15438] write(3, "1000", 4)         = 4
[pid 15438] close(3)                    = 0
[pid 15438] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15438] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15438] pipe2([3, 4], 0)            = 0
[pid 15438] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15438] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15438] sync()                      = 0
[pid 15438] exit_group(0)               = ?
[pid 15438] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15438, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15439 attached
, child_tidptr=0x555555bcb690) = 15439
[pid 15439] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15439] setpgid(0, 0)               = 0
[pid 15439] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15439] write(3, "1000", 4)         = 4
[pid 15439] close(3)                    = 0
[pid 15439] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15439] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15439] pipe2([3, 4], 0)            = 0
[pid 15439] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15439] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15439] sync()                      = 0
[pid 15439] exit_group(0)               = ?
[pid 15439] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15439, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15440 attached
, child_tidptr=0x555555bcb690) = 15440
[pid 15440] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15440] setpgid(0, 0)               = 0
[pid 15440] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15440] write(3, "1000", 4)         = 4
[pid 15440] close(3)                    = 0
[pid 15440] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15440] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15440] pipe2([3, 4], 0)            = 0
[pid 15440] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15440] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15440] sync()                      = 0
[pid 15440] exit_group(0)               = ?
[pid 15440] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15440, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15441
./strace-static-x86_64: Process 15441 attached
[pid 15441] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15441] setpgid(0, 0)               = 0
[pid 15441] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15441] write(3, "1000", 4)         = 4
[pid 15441] close(3)                    = 0
[pid 15441] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15441] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15441] pipe2([3, 4], 0)            = 0
[pid 15441] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15441] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15441] sync()                      = 0
[pid 15441] exit_group(0)               = ?
[pid 15441] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15441, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15442 attached
, child_tidptr=0x555555bcb690) = 15442
[pid 15442] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15442] setpgid(0, 0)               = 0
[pid 15442] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15442] write(3, "1000", 4)         = 4
[pid 15442] close(3)                    = 0
[pid 15442] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15442] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15442] pipe2([3, 4], 0)            = 0
[pid 15442] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15442] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15442] sync()                      = 0
[pid 15442] exit_group(0)               = ?
[pid 15442] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15442, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15443 attached
, child_tidptr=0x555555bcb690) = 15443
[pid 15443] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15443] setpgid(0, 0)               = 0
[pid 15443] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15443] write(3, "1000", 4)         = 4
[pid 15443] close(3)                    = 0
[pid 15443] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15443] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15443] pipe2([3, 4], 0)            = 0
[pid 15443] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15443] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15443] sync()                      = 0
[pid 15443] exit_group(0)               = ?
[pid 15443] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15443, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15444 attached
, child_tidptr=0x555555bcb690) = 15444
[pid 15444] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15444] setpgid(0, 0)               = 0
[pid 15444] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15444] write(3, "1000", 4)         = 4
[pid 15444] close(3)                    = 0
[pid 15444] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15444] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15444] pipe2([3, 4], 0)            = 0
[pid 15444] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15444] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15444] sync()                      = 0
[pid 15444] exit_group(0)               = ?
[pid 15444] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15444, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15445 attached
, child_tidptr=0x555555bcb690) = 15445
[pid 15445] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15445] setpgid(0, 0)               = 0
[pid 15445] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15445] write(3, "1000", 4)         = 4
[pid 15445] close(3)                    = 0
[pid 15445] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15445] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15445] pipe2([3, 4], 0)            = 0
[pid 15445] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15445] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15445] sync()                      = 0
[pid 15445] exit_group(0)               = ?
[pid 15445] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15445, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15446 attached
, child_tidptr=0x555555bcb690) = 15446
[pid 15446] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15446] setpgid(0, 0)               = 0
[pid 15446] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15446] write(3, "1000", 4)         = 4
[pid 15446] close(3)                    = 0
[pid 15446] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15446] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15446] pipe2([3, 4], 0)            = 0
[pid 15446] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15446] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15446] sync()                      = 0
[pid 15446] exit_group(0)               = ?
[pid 15446] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15446, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15447 attached
, child_tidptr=0x555555bcb690) = 15447
[pid 15447] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15447] setpgid(0, 0)               = 0
[pid 15447] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15447] write(3, "1000", 4)         = 4
[pid 15447] close(3)                    = 0
[pid 15447] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15447] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15447] pipe2([3, 4], 0)            = 0
[pid 15447] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15447] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15447] sync()                      = 0
[pid 15447] exit_group(0)               = ?
[pid 15447] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15447, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15448 attached
, child_tidptr=0x555555bcb690) = 15448
[pid 15448] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15448] setpgid(0, 0)               = 0
[pid 15448] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15448] write(3, "1000", 4)         = 4
[pid 15448] close(3)                    = 0
[pid 15448] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15448] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15448] pipe2([3, 4], 0)            = 0
[pid 15448] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15448] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15448] sync()                      = 0
[pid 15448] exit_group(0)               = ?
[pid 15448] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15448, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15449 attached
, child_tidptr=0x555555bcb690) = 15449
[pid 15449] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15449] setpgid(0, 0)               = 0
[pid 15449] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15449] write(3, "1000", 4)         = 4
[pid 15449] close(3)                    = 0
[pid 15449] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15449] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15449] pipe2([3, 4], 0)            = 0
[pid 15449] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15449] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15449] sync()                      = 0
[pid 15449] exit_group(0)               = ?
[pid 15449] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15449, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15450 attached
, child_tidptr=0x555555bcb690) = 15450
[pid 15450] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15450] setpgid(0, 0)               = 0
[pid 15450] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15450] write(3, "1000", 4)         = 4
[pid 15450] close(3)                    = 0
[pid 15450] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15450] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15450] pipe2([3, 4], 0)            = 0
[pid 15450] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15450] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15450] sync()                      = 0
[pid 15450] exit_group(0)               = ?
[pid 15450] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15450, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15451 attached
, child_tidptr=0x555555bcb690) = 15451
[pid 15451] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15451] setpgid(0, 0)               = 0
[pid 15451] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15451] write(3, "1000", 4)         = 4
[pid 15451] close(3)                    = 0
[pid 15451] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15451] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15451] pipe2([3, 4], 0)            = 0
[pid 15451] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15451] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15451] sync()                      = 0
[pid 15451] exit_group(0)               = ?
[pid 15451] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15451, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15452 attached
, child_tidptr=0x555555bcb690) = 15452
[pid 15452] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15452] setpgid(0, 0)               = 0
[pid 15452] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15452] write(3, "1000", 4)         = 4
[pid 15452] close(3)                    = 0
[pid 15452] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15452] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15452] pipe2([3, 4], 0)            = 0
[pid 15452] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15452] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15452] sync()                      = 0
[pid 15452] exit_group(0)               = ?
[pid 15452] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15452, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15453 attached
, child_tidptr=0x555555bcb690) = 15453
[pid 15453] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15453] setpgid(0, 0)               = 0
[pid 15453] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15453] write(3, "1000", 4)         = 4
[pid 15453] close(3)                    = 0
[pid 15453] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15453] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15453] pipe2([3, 4], 0)            = 0
[pid 15453] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15453] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15453] sync()                      = 0
[pid 15453] exit_group(0)               = ?
[pid 15453] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15453, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15454 attached
, child_tidptr=0x555555bcb690) = 15454
[pid 15454] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15454] setpgid(0, 0)               = 0
[pid 15454] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15454] write(3, "1000", 4)         = 4
[pid 15454] close(3)                    = 0
[pid 15454] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15454] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15454] pipe2([3, 4], 0)            = 0
[pid 15454] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15454] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15454] sync()                      = 0
[pid 15454] exit_group(0)               = ?
[pid 15454] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15454, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15455
./strace-static-x86_64: Process 15455 attached
[pid 15455] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15455] setpgid(0, 0)               = 0
[pid 15455] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15455] write(3, "1000", 4)         = 4
[pid 15455] close(3)                    = 0
[pid 15455] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15455] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15455] pipe2([3, 4], 0)            = 0
[pid 15455] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15455] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15455] sync()                      = 0
[pid 15455] exit_group(0)               = ?
[pid 15455] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15455, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15456 attached
, child_tidptr=0x555555bcb690) = 15456
[pid 15456] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15456] setpgid(0, 0)               = 0
[pid 15456] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15456] write(3, "1000", 4)         = 4
[pid 15456] close(3)                    = 0
[pid 15456] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15456] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15456] pipe2([3, 4], 0)            = 0
[pid 15456] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15456] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15456] sync()                      = 0
[pid 15456] exit_group(0)               = ?
[pid 15456] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15456, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15457
./strace-static-x86_64: Process 15457 attached
[pid 15457] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15457] setpgid(0, 0)               = 0
[pid 15457] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15457] write(3, "1000", 4)         = 4
[pid 15457] close(3)                    = 0
[pid 15457] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15457] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15457] pipe2([3, 4], 0)            = 0
[pid 15457] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15457] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15457] sync()                      = 0
[pid 15457] exit_group(0)               = ?
[pid 15457] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15457, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15458
./strace-static-x86_64: Process 15458 attached
[pid 15458] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15458] setpgid(0, 0)               = 0
[pid 15458] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15458] write(3, "1000", 4)         = 4
[pid 15458] close(3)                    = 0
[pid 15458] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15458] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15458] pipe2([3, 4], 0)            = 0
[pid 15458] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15458] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15458] sync()                      = 0
[pid 15458] exit_group(0)               = ?
[pid 15458] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15458, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15459 attached
, child_tidptr=0x555555bcb690) = 15459
[pid 15459] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15459] setpgid(0, 0)               = 0
[pid 15459] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15459] write(3, "1000", 4)         = 4
[pid 15459] close(3)                    = 0
[pid 15459] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15459] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15459] pipe2([3, 4], 0)            = 0
[pid 15459] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15459] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15459] sync()                      = 0
[pid 15459] exit_group(0)               = ?
[pid 15459] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15459, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15460 attached
, child_tidptr=0x555555bcb690) = 15460
[pid 15460] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15460] setpgid(0, 0)               = 0
[pid 15460] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15460] write(3, "1000", 4)         = 4
[pid 15460] close(3)                    = 0
[pid 15460] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15460] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15460] pipe2([3, 4], 0)            = 0
[pid 15460] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15460] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15460] sync()                      = 0
[pid 15460] exit_group(0)               = ?
[pid 15460] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15460, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15461 attached
 <unfinished ...>
[pid 15461] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3603] <... clone resumed>, child_tidptr=0x555555bcb690) = 15461
[pid 15461] <... prctl resumed>)        = 0
[pid 15461] setpgid(0, 0)               = 0
[pid 15461] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15461] write(3, "1000", 4)         = 4
[pid 15461] close(3)                    = 0
[pid 15461] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15461] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15461] pipe2([3, 4], 0)            = 0
[pid 15461] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15461] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15461] sync()                      = 0
[pid 15461] exit_group(0)               = ?
[pid 15461] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15461, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15462
./strace-static-x86_64: Process 15462 attached
[pid 15462] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15462] setpgid(0, 0)               = 0
[pid 15462] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15462] write(3, "1000", 4)         = 4
[pid 15462] close(3)                    = 0
[pid 15462] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15462] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15462] pipe2([3, 4], 0)            = 0
[pid 15462] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15462] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15462] sync()                      = 0
[pid 15462] exit_group(0)               = ?
[pid 15462] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15462, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15463 attached
, child_tidptr=0x555555bcb690) = 15463
[pid 15463] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15463] setpgid(0, 0)               = 0
[pid 15463] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15463] write(3, "1000", 4)         = 4
[pid 15463] close(3)                    = 0
[pid 15463] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15463] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15463] pipe2([3, 4], 0)            = 0
[pid 15463] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15463] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15463] sync()                      = 0
[pid 15463] exit_group(0)               = ?
[pid 15463] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15463, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15464 attached
, child_tidptr=0x555555bcb690) = 15464
[pid 15464] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15464] setpgid(0, 0)               = 0
[pid 15464] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15464] write(3, "1000", 4)         = 4
[pid 15464] close(3)                    = 0
[pid 15464] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15464] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15464] pipe2([3, 4], 0)            = 0
[pid 15464] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15464] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15464] sync()                      = 0
[pid 15464] exit_group(0)               = ?
[pid 15464] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15464, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15465 attached
, child_tidptr=0x555555bcb690) = 15465
[pid 15465] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15465] setpgid(0, 0)               = 0
[pid 15465] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15465] write(3, "1000", 4)         = 4
[pid 15465] close(3)                    = 0
[pid 15465] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15465] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15465] pipe2([3, 4], 0)            = 0
[pid 15465] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15465] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15465] sync()                      = 0
[pid 15465] exit_group(0)               = ?
[pid 15465] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15465, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15466 attached
, child_tidptr=0x555555bcb690) = 15466
[pid 15466] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15466] setpgid(0, 0)               = 0
[pid 15466] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15466] write(3, "1000", 4)         = 4
[pid 15466] close(3)                    = 0
[pid 15466] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15466] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15466] pipe2([3, 4], 0)            = 0
[pid 15466] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15466] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15466] sync()                      = 0
[pid 15466] exit_group(0)               = ?
[pid 15466] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15466, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15467 attached
, child_tidptr=0x555555bcb690) = 15467
[pid 15467] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15467] setpgid(0, 0)               = 0
[pid 15467] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15467] write(3, "1000", 4)         = 4
[pid 15467] close(3)                    = 0
[pid 15467] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15467] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15467] pipe2([3, 4], 0)            = 0
[pid 15467] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15467] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15467] sync()                      = 0
[pid 15467] exit_group(0)               = ?
[pid 15467] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15467, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15468 attached
, child_tidptr=0x555555bcb690) = 15468
[pid 15468] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15468] setpgid(0, 0)               = 0
[pid 15468] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15468] write(3, "1000", 4)         = 4
[pid 15468] close(3)                    = 0
[pid 15468] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15468] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15468] pipe2([3, 4], 0)            = 0
[pid 15468] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15468] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15468] sync()                      = 0
[pid 15468] exit_group(0)               = ?
[pid 15468] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15468, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15469 attached
, child_tidptr=0x555555bcb690) = 15469
[pid 15469] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15469] setpgid(0, 0)               = 0
[pid 15469] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15469] write(3, "1000", 4)         = 4
[pid 15469] close(3)                    = 0
[pid 15469] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15469] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15469] pipe2([3, 4], 0)            = 0
[pid 15469] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15469] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15469] sync()                      = 0
[pid 15469] exit_group(0)               = ?
[pid 15469] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15469, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15470 attached
, child_tidptr=0x555555bcb690) = 15470
[pid 15470] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15470] setpgid(0, 0)               = 0
[pid 15470] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15470] write(3, "1000", 4)         = 4
[pid 15470] close(3)                    = 0
[pid 15470] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15470] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15470] pipe2([3, 4], 0)            = 0
[pid 15470] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15470] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15470] sync()                      = 0
[pid 15470] exit_group(0)               = ?
[pid 15470] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15470, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15471 attached
, child_tidptr=0x555555bcb690) = 15471
[pid 15471] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15471] setpgid(0, 0)               = 0
[pid 15471] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15471] write(3, "1000", 4)         = 4
[pid 15471] close(3)                    = 0
[pid 15471] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15471] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15471] pipe2([3, 4], 0)            = 0
[pid 15471] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15471] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15471] sync()                      = 0
[pid 15471] exit_group(0)               = ?
[pid 15471] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15471, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15472 attached
, child_tidptr=0x555555bcb690) = 15472
[pid 15472] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15472] setpgid(0, 0)               = 0
[pid 15472] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15472] write(3, "1000", 4)         = 4
[pid 15472] close(3)                    = 0
[pid 15472] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15472] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15472] pipe2([3, 4], 0)            = 0
[pid 15472] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15472] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15472] sync()                      = 0
[pid 15472] exit_group(0)               = ?
[pid 15472] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15472, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15473 attached
, child_tidptr=0x555555bcb690) = 15473
[pid 15473] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15473] setpgid(0, 0)               = 0
[pid 15473] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15473] write(3, "1000", 4)         = 4
[pid 15473] close(3)                    = 0
[pid 15473] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15473] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15473] pipe2([3, 4], 0)            = 0
[pid 15473] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15473] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15473] sync()                      = 0
[pid 15473] exit_group(0)               = ?
[pid 15473] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15473, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15474 attached
, child_tidptr=0x555555bcb690) = 15474
[pid 15474] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15474] setpgid(0, 0)               = 0
[pid 15474] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15474] write(3, "1000", 4)         = 4
[pid 15474] close(3)                    = 0
[pid 15474] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15474] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15474] pipe2([3, 4], 0)            = 0
[pid 15474] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15474] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15474] sync()                      = 0
[pid 15474] exit_group(0)               = ?
[pid 15474] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15474, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15475 attached
, child_tidptr=0x555555bcb690) = 15475
[pid 15475] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15475] setpgid(0, 0)               = 0
[pid 15475] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15475] write(3, "1000", 4)         = 4
[pid 15475] close(3)                    = 0
[pid 15475] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15475] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15475] pipe2([3, 4], 0)            = 0
[pid 15475] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15475] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15475] sync()                      = 0
[pid 15475] exit_group(0)               = ?
[pid 15475] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15475, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15476
./strace-static-x86_64: Process 15476 attached
[pid 15476] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15476] setpgid(0, 0)               = 0
[pid 15476] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15476] write(3, "1000", 4)         = 4
[pid 15476] close(3)                    = 0
[pid 15476] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15476] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15476] pipe2([3, 4], 0)            = 0
[pid 15476] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15476] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15476] sync()                      = 0
[pid 15476] exit_group(0)               = ?
[pid 15476] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15476, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15477 attached
, child_tidptr=0x555555bcb690) = 15477
[pid 15477] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15477] setpgid(0, 0)               = 0
[pid 15477] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15477] write(3, "1000", 4)         = 4
[pid 15477] close(3)                    = 0
[pid 15477] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15477] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15477] pipe2([3, 4], 0)            = 0
[pid 15477] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15477] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15477] sync()                      = 0
[pid 15477] exit_group(0)               = ?
[pid 15477] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15477, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15478 attached
, child_tidptr=0x555555bcb690) = 15478
[pid 15478] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15478] setpgid(0, 0)               = 0
[pid 15478] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15478] write(3, "1000", 4)         = 4
[pid 15478] close(3)                    = 0
[pid 15478] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15478] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15478] pipe2([3, 4], 0)            = 0
[pid 15478] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15478] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15478] sync()                      = 0
[pid 15478] exit_group(0)               = ?
[pid 15478] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15478, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15479
./strace-static-x86_64: Process 15479 attached
[pid 15479] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15479] setpgid(0, 0)               = 0
[pid 15479] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15479] write(3, "1000", 4)         = 4
[pid 15479] close(3)                    = 0
[pid 15479] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15479] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15479] pipe2([3, 4], 0)            = 0
[pid 15479] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15479] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15479] sync()                      = 0
[pid 15479] exit_group(0)               = ?
[pid 15479] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15479, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15480
./strace-static-x86_64: Process 15480 attached
[pid 15480] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15480] setpgid(0, 0)               = 0
[pid 15480] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15480] write(3, "1000", 4)         = 4
[pid 15480] close(3)                    = 0
[pid 15480] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15480] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15480] pipe2([3, 4], 0)            = 0
[pid 15480] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15480] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15480] sync()                      = 0
[pid 15480] exit_group(0)               = ?
[pid 15480] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15480, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15481 attached
, child_tidptr=0x555555bcb690) = 15481
[pid 15481] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15481] setpgid(0, 0)               = 0
[pid 15481] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15481] write(3, "1000", 4)         = 4
[pid 15481] close(3)                    = 0
[pid 15481] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15481] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15481] pipe2([3, 4], 0)            = 0
[pid 15481] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15481] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15481] sync()                      = 0
[pid 15481] exit_group(0)               = ?
[pid 15481] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15481, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15482 attached
, child_tidptr=0x555555bcb690) = 15482
[pid 15482] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15482] setpgid(0, 0)               = 0
[pid 15482] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15482] write(3, "1000", 4)         = 4
[pid 15482] close(3)                    = 0
[pid 15482] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15482] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15482] pipe2([3, 4], 0)            = 0
[pid 15482] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15482] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15482] sync()                      = 0
[pid 15482] exit_group(0)               = ?
[pid 15482] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15482, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15483 attached
, child_tidptr=0x555555bcb690) = 15483
[pid 15483] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15483] setpgid(0, 0)               = 0
[pid 15483] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15483] write(3, "1000", 4)         = 4
[pid 15483] close(3)                    = 0
[pid 15483] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15483] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15483] pipe2([3, 4], 0)            = 0
[pid 15483] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15483] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15483] sync()                      = 0
[pid 15483] exit_group(0)               = ?
[pid 15483] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15483, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15484 attached
, child_tidptr=0x555555bcb690) = 15484
[pid 15484] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15484] setpgid(0, 0)               = 0
[pid 15484] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15484] write(3, "1000", 4)         = 4
[pid 15484] close(3)                    = 0
[pid 15484] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15484] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15484] pipe2([3, 4], 0)            = 0
[pid 15484] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15484] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15484] sync()                      = 0
[pid 15484] exit_group(0)               = ?
[pid 15484] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15484, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15485 attached
, child_tidptr=0x555555bcb690) = 15485
[pid 15485] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15485] setpgid(0, 0)               = 0
[pid 15485] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15485] write(3, "1000", 4)         = 4
[pid 15485] close(3)                    = 0
[pid 15485] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15485] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15485] pipe2([3, 4], 0)            = 0
[pid 15485] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15485] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15485] sync()                      = 0
[pid 15485] exit_group(0)               = ?
[pid 15485] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15485, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15486 attached
, child_tidptr=0x555555bcb690) = 15486
[pid 15486] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15486] setpgid(0, 0)               = 0
[pid 15486] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15486] write(3, "1000", 4)         = 4
[pid 15486] close(3)                    = 0
[pid 15486] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15486] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15486] pipe2([3, 4], 0)            = 0
[pid 15486] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15486] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15486] sync()                      = 0
[pid 15486] exit_group(0)               = ?
[pid 15486] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15486, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15487 attached
, child_tidptr=0x555555bcb690) = 15487
[pid 15487] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15487] setpgid(0, 0)               = 0
[pid 15487] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15487] write(3, "1000", 4)         = 4
[pid 15487] close(3)                    = 0
[pid 15487] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15487] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15487] pipe2([3, 4], 0)            = 0
[pid 15487] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15487] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15487] sync()                      = 0
[pid 15487] exit_group(0)               = ?
[pid 15487] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15487, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15488 attached
, child_tidptr=0x555555bcb690) = 15488
[pid 15488] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15488] setpgid(0, 0)               = 0
[pid 15488] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15488] write(3, "1000", 4)         = 4
[pid 15488] close(3)                    = 0
[pid 15488] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15488] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15488] pipe2([3, 4], 0)            = 0
[pid 15488] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15488] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15488] sync()                      = 0
[pid 15488] exit_group(0)               = ?
[pid 15488] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15488, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15489 attached
, child_tidptr=0x555555bcb690) = 15489
[pid 15489] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15489] setpgid(0, 0)               = 0
[pid 15489] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15489] write(3, "1000", 4)         = 4
[pid 15489] close(3)                    = 0
[pid 15489] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15489] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15489] pipe2([3, 4], 0)            = 0
[pid 15489] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15489] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15489] sync()                      = 0
[pid 15489] exit_group(0)               = ?
[pid 15489] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15489, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15490 attached
, child_tidptr=0x555555bcb690) = 15490
[pid 15490] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15490] setpgid(0, 0)               = 0
[pid 15490] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15490] write(3, "1000", 4)         = 4
[pid 15490] close(3)                    = 0
[pid 15490] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15490] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15490] pipe2([3, 4], 0)            = 0
[pid 15490] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15490] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15490] sync()                      = 0
[pid 15490] exit_group(0)               = ?
[pid 15490] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15490, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15491
./strace-static-x86_64: Process 15491 attached
[pid 15491] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15491] setpgid(0, 0)               = 0
[pid 15491] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15491] write(3, "1000", 4)         = 4
[pid 15491] close(3)                    = 0
[pid 15491] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15491] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15491] pipe2([3, 4], 0)            = 0
[pid 15491] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15491] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15491] sync()                      = 0
[pid 15491] exit_group(0)               = ?
[pid 15491] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15491, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15492 attached
, child_tidptr=0x555555bcb690) = 15492
[pid 15492] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15492] setpgid(0, 0)               = 0
[pid 15492] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15492] write(3, "1000", 4)         = 4
[pid 15492] close(3)                    = 0
[pid 15492] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15492] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15492] pipe2([3, 4], 0)            = 0
[pid 15492] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15492] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15492] sync()                      = 0
[pid 15492] exit_group(0)               = ?
[pid 15492] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15492, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15493 attached
, child_tidptr=0x555555bcb690) = 15493
[pid 15493] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15493] setpgid(0, 0)               = 0
[pid 15493] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15493] write(3, "1000", 4)         = 4
[pid 15493] close(3)                    = 0
[pid 15493] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15493] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15493] pipe2([3, 4], 0)            = 0
[pid 15493] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15493] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15493] sync()                      = 0
[pid 15493] exit_group(0)               = ?
[pid 15493] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15493, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15494
./strace-static-x86_64: Process 15494 attached
[pid 15494] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15494] setpgid(0, 0)               = 0
[pid 15494] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15494] write(3, "1000", 4)         = 4
[pid 15494] close(3)                    = 0
[pid 15494] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15494] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15494] pipe2([3, 4], 0)            = 0
[pid 15494] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15494] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15494] sync()                      = 0
[pid 15494] exit_group(0)               = ?
[pid 15494] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15494, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15495 attached
, child_tidptr=0x555555bcb690) = 15495
[pid 15495] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15495] setpgid(0, 0)               = 0
[pid 15495] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15495] write(3, "1000", 4)         = 4
[pid 15495] close(3)                    = 0
[pid 15495] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15495] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15495] pipe2([3, 4], 0)            = 0
[pid 15495] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15495] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15495] sync()                      = 0
[pid 15495] exit_group(0)               = ?
[pid 15495] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15495, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15496 attached
, child_tidptr=0x555555bcb690) = 15496
[pid 15496] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15496] setpgid(0, 0)               = 0
[pid 15496] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15496] write(3, "1000", 4)         = 4
[pid 15496] close(3)                    = 0
[pid 15496] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15496] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15496] pipe2([3, 4], 0)            = 0
[pid 15496] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15496] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15496] sync()                      = 0
[pid 15496] exit_group(0)               = ?
[pid 15496] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15496, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15497 attached
, child_tidptr=0x555555bcb690) = 15497
[pid 15497] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15497] setpgid(0, 0)               = 0
[pid 15497] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15497] write(3, "1000", 4)         = 4
[pid 15497] close(3)                    = 0
[pid 15497] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15497] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15497] pipe2([3, 4], 0)            = 0
[pid 15497] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15497] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15497] sync()                      = 0
[pid 15497] exit_group(0)               = ?
[pid 15497] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15497, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15498
./strace-static-x86_64: Process 15498 attached
[pid 15498] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15498] setpgid(0, 0)               = 0
[pid 15498] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15498] write(3, "1000", 4)         = 4
[pid 15498] close(3)                    = 0
[pid 15498] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15498] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15498] pipe2([3, 4], 0)            = 0
[pid 15498] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15498] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15498] sync()                      = 0
[pid 15498] exit_group(0)               = ?
[pid 15498] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15498, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15499 attached
, child_tidptr=0x555555bcb690) = 15499
[pid 15499] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15499] setpgid(0, 0)               = 0
[pid 15499] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15499] write(3, "1000", 4)         = 4
[pid 15499] close(3)                    = 0
[pid 15499] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15499] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15499] pipe2([3, 4], 0)            = 0
[pid 15499] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15499] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15499] sync()                      = 0
[pid 15499] exit_group(0)               = ?
[pid 15499] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15499, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15500 attached
, child_tidptr=0x555555bcb690) = 15500
[pid 15500] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15500] setpgid(0, 0)               = 0
[pid 15500] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15500] write(3, "1000", 4)         = 4
[pid 15500] close(3)                    = 0
[pid 15500] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15500] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15500] pipe2([3, 4], 0)            = 0
[pid 15500] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15500] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15500] sync()                      = 0
[pid 15500] exit_group(0)               = ?
[pid 15500] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15500, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15501 attached
, child_tidptr=0x555555bcb690) = 15501
[pid 15501] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15501] setpgid(0, 0)               = 0
[pid 15501] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15501] write(3, "1000", 4)         = 4
[pid 15501] close(3)                    = 0
[pid 15501] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15501] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15501] pipe2([3, 4], 0)            = 0
[pid 15501] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15501] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15501] sync()                      = 0
[pid 15501] exit_group(0)               = ?
[pid 15501] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15501, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15502 attached
, child_tidptr=0x555555bcb690) = 15502
[pid 15502] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15502] setpgid(0, 0)               = 0
[pid 15502] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15502] write(3, "1000", 4)         = 4
[pid 15502] close(3)                    = 0
[pid 15502] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15502] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15502] pipe2([3, 4], 0)            = 0
[pid 15502] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15502] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15502] sync()                      = 0
[pid 15502] exit_group(0)               = ?
[pid 15502] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15502, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15503 attached
, child_tidptr=0x555555bcb690) = 15503
[pid 15503] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15503] setpgid(0, 0)               = 0
[pid 15503] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15503] write(3, "1000", 4)         = 4
[pid 15503] close(3)                    = 0
[pid 15503] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15503] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15503] pipe2([3, 4], 0)            = 0
[pid 15503] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15503] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15503] sync()                      = 0
[pid 15503] exit_group(0)               = ?
[pid 15503] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15503, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15504 attached
, child_tidptr=0x555555bcb690) = 15504
[pid 15504] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15504] setpgid(0, 0)               = 0
[pid 15504] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15504] write(3, "1000", 4)         = 4
[pid 15504] close(3)                    = 0
[pid 15504] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15504] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15504] pipe2([3, 4], 0)            = 0
[pid 15504] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15504] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15504] sync()                      = 0
[pid 15504] exit_group(0)               = ?
[pid 15504] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15504, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15505
./strace-static-x86_64: Process 15505 attached
[pid 15505] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15505] setpgid(0, 0)               = 0
[pid 15505] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15505] write(3, "1000", 4)         = 4
[pid 15505] close(3)                    = 0
[pid 15505] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15505] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15505] pipe2([3, 4], 0)            = 0
[pid 15505] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15505] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15505] sync()                      = 0
[pid 15505] exit_group(0)               = ?
[pid 15505] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15505, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15506
./strace-static-x86_64: Process 15506 attached
[pid 15506] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15506] setpgid(0, 0)               = 0
[pid 15506] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15506] write(3, "1000", 4)         = 4
[pid 15506] close(3)                    = 0
[pid 15506] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15506] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15506] pipe2([3, 4], 0)            = 0
[pid 15506] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15506] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15506] sync()                      = 0
[pid 15506] exit_group(0)               = ?
[pid 15506] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15506, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15507
./strace-static-x86_64: Process 15507 attached
[pid 15507] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15507] setpgid(0, 0)               = 0
[pid 15507] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15507] write(3, "1000", 4)         = 4
[pid 15507] close(3)                    = 0
[pid 15507] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15507] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15507] pipe2([3, 4], 0)            = 0
[pid 15507] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15507] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15507] sync()                      = 0
[pid 15507] exit_group(0)               = ?
[pid 15507] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15507, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15508 attached
, child_tidptr=0x555555bcb690) = 15508
[pid 15508] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15508] setpgid(0, 0)               = 0
[pid 15508] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15508] write(3, "1000", 4)         = 4
[pid 15508] close(3)                    = 0
[pid 15508] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15508] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15508] pipe2([3, 4], 0)            = 0
[pid 15508] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15508] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15508] sync()                      = 0
[pid 15508] exit_group(0)               = ?
[pid 15508] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15508, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15509 attached
, child_tidptr=0x555555bcb690) = 15509
[pid 15509] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15509] setpgid(0, 0)               = 0
[pid 15509] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15509] write(3, "1000", 4)         = 4
[pid 15509] close(3)                    = 0
[pid 15509] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15509] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15509] pipe2([3, 4], 0)            = 0
[pid 15509] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15509] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15509] sync()                      = 0
[pid 15509] exit_group(0)               = ?
[pid 15509] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15509, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15510
./strace-static-x86_64: Process 15510 attached
[pid 15510] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15510] setpgid(0, 0)               = 0
[pid 15510] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15510] write(3, "1000", 4)         = 4
[pid 15510] close(3)                    = 0
[pid 15510] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15510] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15510] pipe2([3, 4], 0)            = 0
[pid 15510] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15510] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15510] sync()                      = 0
[pid 15510] exit_group(0)               = ?
[pid 15510] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15510, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15511 attached
, child_tidptr=0x555555bcb690) = 15511
[pid 15511] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15511] setpgid(0, 0)               = 0
[pid 15511] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15511] write(3, "1000", 4)         = 4
[pid 15511] close(3)                    = 0
[pid 15511] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15511] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15511] pipe2([3, 4], 0)            = 0
[pid 15511] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15511] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15511] sync()                      = 0
[pid 15511] exit_group(0)               = ?
[pid 15511] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15511, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15512 attached
, child_tidptr=0x555555bcb690) = 15512
[pid 15512] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15512] setpgid(0, 0)               = 0
[pid 15512] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15512] write(3, "1000", 4)         = 4
[pid 15512] close(3)                    = 0
[pid 15512] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15512] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15512] pipe2([3, 4], 0)            = 0
[pid 15512] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15512] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15512] sync()                      = 0
[pid 15512] exit_group(0)               = ?
[pid 15512] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15512, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15513 attached
, child_tidptr=0x555555bcb690) = 15513
[pid 15513] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15513] setpgid(0, 0)               = 0
[pid 15513] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15513] write(3, "1000", 4)         = 4
[pid 15513] close(3)                    = 0
[pid 15513] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15513] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15513] pipe2([3, 4], 0)            = 0
[pid 15513] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15513] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15513] sync()                      = 0
[pid 15513] exit_group(0)               = ?
[pid 15513] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15513, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15514 attached
, child_tidptr=0x555555bcb690) = 15514
[pid 15514] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15514] setpgid(0, 0)               = 0
[pid 15514] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15514] write(3, "1000", 4)         = 4
[pid 15514] close(3)                    = 0
[pid 15514] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15514] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15514] pipe2([3, 4], 0)            = 0
[pid 15514] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15514] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15514] sync()                      = 0
[pid 15514] exit_group(0)               = ?
[pid 15514] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15514, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15515 attached
, child_tidptr=0x555555bcb690) = 15515
[pid 15515] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15515] setpgid(0, 0)               = 0
[pid 15515] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15515] write(3, "1000", 4)         = 4
[pid 15515] close(3)                    = 0
[pid 15515] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15515] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15515] pipe2([3, 4], 0)            = 0
[pid 15515] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15515] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15515] sync()                      = 0
[pid 15515] exit_group(0)               = ?
[pid 15515] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15515, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15516
./strace-static-x86_64: Process 15516 attached
[pid 15516] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15516] setpgid(0, 0)               = 0
[pid 15516] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15516] write(3, "1000", 4)         = 4
[pid 15516] close(3)                    = 0
[pid 15516] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15516] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15516] pipe2([3, 4], 0)            = 0
[pid 15516] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15516] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15516] sync()                      = 0
[pid 15516] exit_group(0)               = ?
[pid 15516] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15516, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15517 attached
, child_tidptr=0x555555bcb690) = 15517
[pid 15517] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15517] setpgid(0, 0)               = 0
[pid 15517] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15517] write(3, "1000", 4)         = 4
[pid 15517] close(3)                    = 0
[pid 15517] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15517] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15517] pipe2([3, 4], 0)            = 0
[pid 15517] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15517] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15517] sync()                      = 0
[pid 15517] exit_group(0)               = ?
[pid 15517] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15517, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15518
./strace-static-x86_64: Process 15518 attached
[pid 15518] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15518] setpgid(0, 0)               = 0
[pid 15518] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15518] write(3, "1000", 4)         = 4
[pid 15518] close(3)                    = 0
[pid 15518] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15518] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15518] pipe2([3, 4], 0)            = 0
[pid 15518] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15518] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15518] sync()                      = 0
[pid 15518] exit_group(0)               = ?
[pid 15518] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15518, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15519 attached
, child_tidptr=0x555555bcb690) = 15519
[pid 15519] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15519] setpgid(0, 0)               = 0
[pid 15519] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15519] write(3, "1000", 4)         = 4
[pid 15519] close(3)                    = 0
[pid 15519] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15519] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15519] pipe2([3, 4], 0)            = 0
[pid 15519] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15519] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15519] sync()                      = 0
[pid 15519] exit_group(0)               = ?
[pid 15519] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15519, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15520 attached
, child_tidptr=0x555555bcb690) = 15520
[pid 15520] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15520] setpgid(0, 0)               = 0
[pid 15520] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15520] write(3, "1000", 4)         = 4
[pid 15520] close(3)                    = 0
[pid 15520] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15520] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15520] pipe2([3, 4], 0)            = 0
[pid 15520] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15520] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15520] sync()                      = 0
[pid 15520] exit_group(0)               = ?
[pid 15520] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15520, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15521 attached
 <unfinished ...>
[pid 15521] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15521] setpgid(0, 0)               = 0
[pid 15521] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3603] <... clone resumed>, child_tidptr=0x555555bcb690) = 15521
[pid 15521] <... openat resumed>)       = 3
[pid 15521] write(3, "1000", 4)         = 4
[pid 15521] close(3)                    = 0
[pid 15521] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15521] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15521] pipe2([3, 4], 0)            = 0
[pid 15521] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15521] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15521] sync()                      = 0
[pid 15521] exit_group(0)               = ?
[pid 15521] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15521, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15522 attached
, child_tidptr=0x555555bcb690) = 15522
[pid 15522] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15522] setpgid(0, 0)               = 0
[pid 15522] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15522] write(3, "1000", 4)         = 4
[pid 15522] close(3)                    = 0
[pid 15522] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15522] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15522] pipe2([3, 4], 0)            = 0
[pid 15522] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15522] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15522] sync()                      = 0
[pid 15522] exit_group(0)               = ?
[pid 15522] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15522, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15523 attached
, child_tidptr=0x555555bcb690) = 15523
[pid 15523] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15523] setpgid(0, 0)               = 0
[pid 15523] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15523] write(3, "1000", 4)         = 4
[pid 15523] close(3)                    = 0
[pid 15523] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15523] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15523] pipe2([3, 4], 0)            = 0
[pid 15523] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15523] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15523] sync()                      = 0
[pid 15523] exit_group(0)               = ?
[pid 15523] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15523, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15524 attached
, child_tidptr=0x555555bcb690) = 15524
[pid 15524] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15524] setpgid(0, 0)               = 0
[pid 15524] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15524] write(3, "1000", 4)         = 4
[pid 15524] close(3)                    = 0
[pid 15524] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15524] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15524] pipe2([3, 4], 0)            = 0
[pid 15524] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15524] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15524] sync()                      = 0
[pid 15524] exit_group(0)               = ?
[pid 15524] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15524, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15525 attached
, child_tidptr=0x555555bcb690) = 15525
[pid 15525] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15525] setpgid(0, 0)               = 0
[pid 15525] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15525] write(3, "1000", 4)         = 4
[pid 15525] close(3)                    = 0
[pid 15525] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15525] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15525] pipe2([3, 4], 0)            = 0
[pid 15525] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15525] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15525] sync()                      = 0
[pid 15525] exit_group(0)               = ?
[pid 15525] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15525, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15526 attached
, child_tidptr=0x555555bcb690) = 15526
[pid 15526] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15526] setpgid(0, 0)               = 0
[pid 15526] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15526] write(3, "1000", 4)         = 4
[pid 15526] close(3)                    = 0
[pid 15526] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15526] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15526] pipe2([3, 4], 0)            = 0
[pid 15526] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15526] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15526] sync()                      = 0
[pid 15526] exit_group(0)               = ?
[pid 15526] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15526, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15527 attached
, child_tidptr=0x555555bcb690) = 15527
[pid 15527] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15527] setpgid(0, 0)               = 0
[pid 15527] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15527] write(3, "1000", 4)         = 4
[pid 15527] close(3)                    = 0
[pid 15527] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15527] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15527] pipe2([3, 4], 0)            = 0
[pid 15527] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15527] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15527] sync()                      = 0
[pid 15527] exit_group(0)               = ?
[pid 15527] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15527, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15528
./strace-static-x86_64: Process 15528 attached
[pid 15528] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15528] setpgid(0, 0)               = 0
[pid 15528] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15528] write(3, "1000", 4)         = 4
[pid 15528] close(3)                    = 0
[pid 15528] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15528] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15528] pipe2([3, 4], 0)            = 0
[pid 15528] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15528] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15528] sync()                      = 0
[pid 15528] exit_group(0)               = ?
[pid 15528] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15528, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15529 attached
, child_tidptr=0x555555bcb690) = 15529
[pid 15529] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15529] setpgid(0, 0)               = 0
[pid 15529] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15529] write(3, "1000", 4)         = 4
[pid 15529] close(3)                    = 0
[pid 15529] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15529] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15529] pipe2([3, 4], 0)            = 0
[pid 15529] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15529] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15529] sync()                      = 0
[pid 15529] exit_group(0)               = ?
[pid 15529] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15529, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15530 attached
, child_tidptr=0x555555bcb690) = 15530
[pid 15530] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15530] setpgid(0, 0)               = 0
[pid 15530] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15530] write(3, "1000", 4)         = 4
[pid 15530] close(3)                    = 0
[pid 15530] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15530] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15530] pipe2([3, 4], 0)            = 0
[pid 15530] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15530] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15530] sync()                      = 0
[pid 15530] exit_group(0)               = ?
[pid 15530] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15530, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15531 attached
, child_tidptr=0x555555bcb690) = 15531
[pid 15531] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15531] setpgid(0, 0)               = 0
[pid 15531] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15531] write(3, "1000", 4)         = 4
[pid 15531] close(3)                    = 0
[pid 15531] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15531] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15531] pipe2([3, 4], 0)            = 0
[pid 15531] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15531] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15531] sync()                      = 0
[pid 15531] exit_group(0)               = ?
[pid 15531] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15531, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15532 attached
, child_tidptr=0x555555bcb690) = 15532
[pid 15532] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15532] setpgid(0, 0)               = 0
[pid 15532] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15532] write(3, "1000", 4)         = 4
[pid 15532] close(3)                    = 0
[pid 15532] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15532] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15532] pipe2([3, 4], 0)            = 0
[pid 15532] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15532] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15532] sync()                      = 0
[pid 15532] exit_group(0)               = ?
[pid 15532] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15532, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15533
./strace-static-x86_64: Process 15533 attached
[pid 15533] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15533] setpgid(0, 0)               = 0
[pid 15533] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15533] write(3, "1000", 4)         = 4
[pid 15533] close(3)                    = 0
[pid 15533] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15533] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15533] pipe2([3, 4], 0)            = 0
[pid 15533] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15533] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15533] sync()                      = 0
[pid 15533] exit_group(0)               = ?
[pid 15533] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15533, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15534 attached
, child_tidptr=0x555555bcb690) = 15534
[pid 15534] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15534] setpgid(0, 0)               = 0
[pid 15534] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15534] write(3, "1000", 4)         = 4
[pid 15534] close(3)                    = 0
[pid 15534] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15534] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15534] pipe2([3, 4], 0)            = 0
[pid 15534] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15534] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15534] sync()                      = 0
[pid 15534] exit_group(0)               = ?
[pid 15534] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15534, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15535 attached
, child_tidptr=0x555555bcb690) = 15535
[pid 15535] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15535] setpgid(0, 0)               = 0
[pid 15535] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15535] write(3, "1000", 4)         = 4
[pid 15535] close(3)                    = 0
[pid 15535] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15535] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15535] pipe2([3, 4], 0)            = 0
[pid 15535] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15535] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15535] sync()                      = 0
[pid 15535] exit_group(0)               = ?
[pid 15535] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15535, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15536 attached
, child_tidptr=0x555555bcb690) = 15536
[pid 15536] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15536] setpgid(0, 0)               = 0
[pid 15536] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15536] write(3, "1000", 4)         = 4
[pid 15536] close(3)                    = 0
[pid 15536] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15536] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15536] pipe2([3, 4], 0)            = 0
[pid 15536] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15536] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15536] sync()                      = 0
[pid 15536] exit_group(0)               = ?
[pid 15536] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15536, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15537 attached
, child_tidptr=0x555555bcb690) = 15537
[pid 15537] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15537] setpgid(0, 0)               = 0
[pid 15537] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15537] write(3, "1000", 4)         = 4
[pid 15537] close(3)                    = 0
[pid 15537] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15537] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15537] pipe2([3, 4], 0)            = 0
[pid 15537] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15537] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15537] sync()                      = 0
[pid 15537] exit_group(0)               = ?
[pid 15537] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15537, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15538 attached
, child_tidptr=0x555555bcb690) = 15538
[pid 15538] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15538] setpgid(0, 0)               = 0
[pid 15538] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15538] write(3, "1000", 4)         = 4
[pid 15538] close(3)                    = 0
[pid 15538] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15538] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15538] pipe2([3, 4], 0)            = 0
[pid 15538] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15538] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15538] sync()                      = 0
[pid 15538] exit_group(0)               = ?
[pid 15538] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15538, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15539 attached
, child_tidptr=0x555555bcb690) = 15539
[pid 15539] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15539] setpgid(0, 0)               = 0
[pid 15539] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15539] write(3, "1000", 4)         = 4
[pid 15539] close(3)                    = 0
[pid 15539] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15539] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15539] pipe2([3, 4], 0)            = 0
[pid 15539] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15539] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15539] sync()                      = 0
[pid 15539] exit_group(0)               = ?
[pid 15539] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15539, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15540 attached
, child_tidptr=0x555555bcb690) = 15540
[pid 15540] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15540] setpgid(0, 0)               = 0
[pid 15540] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15540] write(3, "1000", 4)         = 4
[pid 15540] close(3)                    = 0
[pid 15540] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15540] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15540] pipe2([3, 4], 0)            = 0
[pid 15540] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15540] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15540] sync()                      = 0
[pid 15540] exit_group(0)               = ?
[pid 15540] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15540, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15541 attached
, child_tidptr=0x555555bcb690) = 15541
[pid 15541] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15541] setpgid(0, 0)               = 0
[pid 15541] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15541] write(3, "1000", 4)         = 4
[pid 15541] close(3)                    = 0
[pid 15541] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15541] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15541] pipe2([3, 4], 0)            = 0
[pid 15541] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15541] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15541] sync()                      = 0
[pid 15541] exit_group(0)               = ?
[pid 15541] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15541, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15542 attached
, child_tidptr=0x555555bcb690) = 15542
[pid 15542] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15542] setpgid(0, 0)               = 0
[pid 15542] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15542] write(3, "1000", 4)         = 4
[pid 15542] close(3)                    = 0
[pid 15542] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15542] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15542] pipe2([3, 4], 0)            = 0
[pid 15542] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15542] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15542] sync()                      = 0
[pid 15542] exit_group(0)               = ?
[pid 15542] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15542, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15543 attached
, child_tidptr=0x555555bcb690) = 15543
[pid 15543] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15543] setpgid(0, 0)               = 0
[pid 15543] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15543] write(3, "1000", 4)         = 4
[pid 15543] close(3)                    = 0
[pid 15543] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15543] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15543] pipe2([3, 4], 0)            = 0
[pid 15543] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15543] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15543] sync()                      = 0
[pid 15543] exit_group(0)               = ?
[pid 15543] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15543, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15544 attached
, child_tidptr=0x555555bcb690) = 15544
[pid 15544] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15544] setpgid(0, 0)               = 0
[pid 15544] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15544] write(3, "1000", 4)         = 4
[pid 15544] close(3)                    = 0
[pid 15544] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15544] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15544] pipe2([3, 4], 0)            = 0
[pid 15544] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15544] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15544] sync()                      = 0
[pid 15544] exit_group(0)               = ?
[pid 15544] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15544, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15545 attached
, child_tidptr=0x555555bcb690) = 15545
[pid 15545] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15545] setpgid(0, 0)               = 0
[pid 15545] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15545] write(3, "1000", 4)         = 4
[pid 15545] close(3)                    = 0
[pid 15545] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15545] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15545] pipe2([3, 4], 0)            = 0
[pid 15545] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15545] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15545] sync()                      = 0
[pid 15545] exit_group(0)               = ?
[pid 15545] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15545, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15546 attached
, child_tidptr=0x555555bcb690) = 15546
[pid 15546] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15546] setpgid(0, 0)               = 0
[pid 15546] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15546] write(3, "1000", 4)         = 4
[pid 15546] close(3)                    = 0
[pid 15546] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15546] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15546] pipe2([3, 4], 0)            = 0
[pid 15546] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15546] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15546] sync()                      = 0
[pid 15546] exit_group(0)               = ?
[pid 15546] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15546, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15547 attached
, child_tidptr=0x555555bcb690) = 15547
[pid 15547] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15547] setpgid(0, 0)               = 0
[pid 15547] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15547] write(3, "1000", 4)         = 4
[pid 15547] close(3)                    = 0
[pid 15547] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15547] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15547] pipe2([3, 4], 0)            = 0
[pid 15547] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15547] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15547] sync()                      = 0
[pid 15547] exit_group(0)               = ?
[pid 15547] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15547, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15548 attached
, child_tidptr=0x555555bcb690) = 15548
[pid 15548] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15548] setpgid(0, 0)               = 0
[pid 15548] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15548] write(3, "1000", 4)         = 4
[pid 15548] close(3)                    = 0
[pid 15548] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15548] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15548] pipe2([3, 4], 0)            = 0
[pid 15548] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15548] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15548] sync()                      = 0
[pid 15548] exit_group(0)               = ?
[pid 15548] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15548, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15549
./strace-static-x86_64: Process 15549 attached
[pid 15549] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15549] setpgid(0, 0)               = 0
[pid 15549] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15549] write(3, "1000", 4)         = 4
[pid 15549] close(3)                    = 0
[pid 15549] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15549] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15549] pipe2([3, 4], 0)            = 0
[pid 15549] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15549] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15549] sync()                      = 0
[pid 15549] exit_group(0)               = ?
[pid 15549] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15549, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15550 attached
, child_tidptr=0x555555bcb690) = 15550
[pid 15550] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15550] setpgid(0, 0)               = 0
[pid 15550] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15550] write(3, "1000", 4)         = 4
[pid 15550] close(3)                    = 0
[pid 15550] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15550] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15550] pipe2([3, 4], 0)            = 0
[pid 15550] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15550] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15550] sync()                      = 0
[pid 15550] exit_group(0)               = ?
[pid 15550] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15550, si_uid=0, si_status=0, si_utime=1, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15551 attached
, child_tidptr=0x555555bcb690) = 15551
[pid 15551] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15551] setpgid(0, 0)               = 0
[pid 15551] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15551] write(3, "1000", 4)         = 4
[pid 15551] close(3)                    = 0
[pid 15551] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15551] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15551] pipe2([3, 4], 0)            = 0
[pid 15551] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15551] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15551] sync()                      = 0
[pid 15551] exit_group(0)               = ?
[pid 15551] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15551, si_uid=0, si_status=0, si_utime=1, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15552 attached
, child_tidptr=0x555555bcb690) = 15552
[pid 15552] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15552] setpgid(0, 0)               = 0
[pid 15552] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15552] write(3, "1000", 4)         = 4
[pid 15552] close(3)                    = 0
[pid 15552] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15552] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15552] pipe2([3, 4], 0)            = 0
[pid 15552] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15552] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15552] sync()                      = 0
[pid 15552] exit_group(0)               = ?
[pid 15552] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15552, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15553
./strace-static-x86_64: Process 15553 attached
[pid 15553] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15553] setpgid(0, 0)               = 0
[pid 15553] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15553] write(3, "1000", 4)         = 4
[pid 15553] close(3)                    = 0
[pid 15553] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15553] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15553] pipe2([3, 4], 0)            = 0
[pid 15553] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15553] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15553] sync()                      = 0
[pid 15553] exit_group(0)               = ?
[pid 15553] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15553, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15554 attached
, child_tidptr=0x555555bcb690) = 15554
[pid 15554] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15554] setpgid(0, 0)               = 0
[pid 15554] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15554] write(3, "1000", 4)         = 4
[pid 15554] close(3)                    = 0
[pid 15554] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15554] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15554] pipe2([3, 4], 0)            = 0
[pid 15554] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15554] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15554] sync()                      = 0
[pid 15554] exit_group(0)               = ?
[pid 15554] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15554, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15555 attached
, child_tidptr=0x555555bcb690) = 15555
[pid 15555] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15555] setpgid(0, 0)               = 0
[pid 15555] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15555] write(3, "1000", 4)         = 4
[pid 15555] close(3)                    = 0
[pid 15555] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15555] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15555] pipe2([3, 4], 0)            = 0
[pid 15555] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15555] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15555] sync()                      = 0
[pid 15555] exit_group(0)               = ?
[pid 15555] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15555, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15556 attached
, child_tidptr=0x555555bcb690) = 15556
[pid 15556] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15556] setpgid(0, 0)               = 0
[pid 15556] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15556] write(3, "1000", 4)         = 4
[pid 15556] close(3)                    = 0
[pid 15556] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15556] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15556] pipe2([3, 4], 0)            = 0
[pid 15556] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15556] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15556] sync()                      = 0
[pid 15556] exit_group(0)               = ?
[pid 15556] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15556, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15557 attached
, child_tidptr=0x555555bcb690) = 15557
[pid 15557] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15557] setpgid(0, 0)               = 0
[pid 15557] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15557] write(3, "1000", 4)         = 4
[pid 15557] close(3)                    = 0
[pid 15557] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15557] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15557] pipe2([3, 4], 0)            = 0
[pid 15557] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15557] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15557] sync()                      = 0
[pid 15557] exit_group(0)               = ?
[pid 15557] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15557, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15558 attached
, child_tidptr=0x555555bcb690) = 15558
[pid 15558] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15558] setpgid(0, 0)               = 0
[pid 15558] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15558] write(3, "1000", 4)         = 4
[pid 15558] close(3)                    = 0
[pid 15558] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15558] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15558] pipe2([3, 4], 0)            = 0
[pid 15558] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15558] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15558] sync()                      = 0
[pid 15558] exit_group(0)               = ?
[pid 15558] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15558, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15559
./strace-static-x86_64: Process 15559 attached
[pid 15559] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15559] setpgid(0, 0)               = 0
[pid 15559] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15559] write(3, "1000", 4)         = 4
[pid 15559] close(3)                    = 0
[pid 15559] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15559] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15559] pipe2([3, 4], 0)            = 0
[pid 15559] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15559] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15559] sync()                      = 0
[pid 15559] exit_group(0)               = ?
[pid 15559] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15559, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15560
./strace-static-x86_64: Process 15560 attached
[pid 15560] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15560] setpgid(0, 0)               = 0
[pid 15560] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15560] write(3, "1000", 4)         = 4
[pid 15560] close(3)                    = 0
[pid 15560] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15560] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15560] pipe2([3, 4], 0)            = 0
[pid 15560] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15560] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15560] sync()                      = 0
[pid 15560] exit_group(0)               = ?
[pid 15560] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15560, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15561 attached
, child_tidptr=0x555555bcb690) = 15561
[pid 15561] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15561] setpgid(0, 0)               = 0
[pid 15561] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15561] write(3, "1000", 4)         = 4
[pid 15561] close(3)                    = 0
[pid 15561] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15561] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15561] pipe2([3, 4], 0)            = 0
[pid 15561] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15561] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15561] sync()                      = 0
[pid 15561] exit_group(0)               = ?
[pid 15561] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15561, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15562
./strace-static-x86_64: Process 15562 attached
[pid 15562] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15562] setpgid(0, 0)               = 0
[pid 15562] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15562] write(3, "1000", 4)         = 4
[pid 15562] close(3)                    = 0
[pid 15562] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15562] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15562] pipe2([3, 4], 0)            = 0
[pid 15562] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15562] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15562] sync()                      = 0
[pid 15562] exit_group(0)               = ?
[pid 15562] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15562, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15563
./strace-static-x86_64: Process 15563 attached
[pid 15563] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15563] setpgid(0, 0)               = 0
[pid 15563] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15563] write(3, "1000", 4)         = 4
[pid 15563] close(3)                    = 0
[pid 15563] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15563] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15563] pipe2([3, 4], 0)            = 0
[pid 15563] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15563] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15563] sync()                      = 0
[pid 15563] exit_group(0)               = ?
[pid 15563] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15563, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15564 attached
, child_tidptr=0x555555bcb690) = 15564
[pid 15564] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15564] setpgid(0, 0)               = 0
[pid 15564] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15564] write(3, "1000", 4)         = 4
[pid 15564] close(3)                    = 0
[pid 15564] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15564] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15564] pipe2([3, 4], 0)            = 0
[pid 15564] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15564] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15564] sync()                      = 0
[pid 15564] exit_group(0)               = ?
[pid 15564] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15564, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15565 attached
, child_tidptr=0x555555bcb690) = 15565
[pid 15565] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15565] setpgid(0, 0)               = 0
[pid 15565] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15565] write(3, "1000", 4)         = 4
[pid 15565] close(3)                    = 0
[pid 15565] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15565] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15565] pipe2([3, 4], 0)            = 0
[pid 15565] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15565] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15565] sync()                      = 0
[pid 15565] exit_group(0)               = ?
[pid 15565] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15565, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15566 attached
, child_tidptr=0x555555bcb690) = 15566
[pid 15566] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15566] setpgid(0, 0)               = 0
[pid 15566] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15566] write(3, "1000", 4)         = 4
[pid 15566] close(3)                    = 0
[pid 15566] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15566] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15566] pipe2([3, 4], 0)            = 0
[pid 15566] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15566] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15566] sync()                      = 0
[pid 15566] exit_group(0)               = ?
[pid 15566] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15566, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15567 attached
, child_tidptr=0x555555bcb690) = 15567
[pid 15567] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15567] setpgid(0, 0)               = 0
[pid 15567] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15567] write(3, "1000", 4)         = 4
[pid 15567] close(3)                    = 0
[pid 15567] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15567] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15567] pipe2([3, 4], 0)            = 0
[pid 15567] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15567] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15567] sync()                      = 0
[pid 15567] exit_group(0)               = ?
[pid 15567] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15567, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15568 attached
, child_tidptr=0x555555bcb690) = 15568
[pid 15568] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15568] setpgid(0, 0)               = 0
[pid 15568] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15568] write(3, "1000", 4)         = 4
[pid 15568] close(3)                    = 0
[pid 15568] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15568] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15568] pipe2([3, 4], 0)            = 0
[pid 15568] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15568] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15568] sync()                      = 0
[pid 15568] exit_group(0)               = ?
[pid 15568] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15568, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15569 attached
, child_tidptr=0x555555bcb690) = 15569
[pid 15569] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15569] setpgid(0, 0)               = 0
[pid 15569] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15569] write(3, "1000", 4)         = 4
[pid 15569] close(3)                    = 0
[pid 15569] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15569] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15569] pipe2([3, 4], 0)            = 0
[pid 15569] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15569] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15569] sync()                      = 0
[pid 15569] exit_group(0)               = ?
[pid 15569] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15569, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15570 attached
, child_tidptr=0x555555bcb690) = 15570
[pid 15570] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15570] setpgid(0, 0)               = 0
[pid 15570] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15570] write(3, "1000", 4)         = 4
[pid 15570] close(3)                    = 0
[pid 15570] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15570] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15570] pipe2([3, 4], 0)            = 0
[pid 15570] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15570] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15570] sync()                      = 0
[pid 15570] exit_group(0)               = ?
[pid 15570] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15570, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15571 attached
, child_tidptr=0x555555bcb690) = 15571
[pid 15571] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15571] setpgid(0, 0)               = 0
[pid 15571] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15571] write(3, "1000", 4)         = 4
[pid 15571] close(3)                    = 0
[pid 15571] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15571] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15571] pipe2([3, 4], 0)            = 0
[pid 15571] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15571] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15571] sync()                      = 0
[pid 15571] exit_group(0)               = ?
[pid 15571] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15571, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15572 attached
, child_tidptr=0x555555bcb690) = 15572
[pid 15572] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15572] setpgid(0, 0)               = 0
[pid 15572] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15572] write(3, "1000", 4)         = 4
[pid 15572] close(3)                    = 0
[pid 15572] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15572] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15572] pipe2([3, 4], 0)            = 0
[pid 15572] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15572] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15572] sync()                      = 0
[pid 15572] exit_group(0)               = ?
[pid 15572] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15572, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15573 attached
, child_tidptr=0x555555bcb690) = 15573
[pid 15573] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15573] setpgid(0, 0)               = 0
[pid 15573] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15573] write(3, "1000", 4)         = 4
[pid 15573] close(3)                    = 0
[pid 15573] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15573] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15573] pipe2([3, 4], 0)            = 0
[pid 15573] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15573] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15573] sync()                      = 0
[pid 15573] exit_group(0)               = ?
[pid 15573] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15573, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15574 attached
, child_tidptr=0x555555bcb690) = 15574
[pid 15574] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15574] setpgid(0, 0)               = 0
[pid 15574] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15574] write(3, "1000", 4)         = 4
[pid 15574] close(3)                    = 0
[pid 15574] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15574] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15574] pipe2([3, 4], 0)            = 0
[pid 15574] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15574] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15574] sync()                      = 0
[pid 15574] exit_group(0)               = ?
[pid 15574] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15574, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15575 attached
, child_tidptr=0x555555bcb690) = 15575
[pid 15575] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15575] setpgid(0, 0)               = 0
[pid 15575] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15575] write(3, "1000", 4)         = 4
[pid 15575] close(3)                    = 0
[pid 15575] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15575] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15575] pipe2([3, 4], 0)            = 0
[pid 15575] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15575] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15575] sync()                      = 0
[pid 15575] exit_group(0)               = ?
[pid 15575] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15575, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15576 attached
, child_tidptr=0x555555bcb690) = 15576
[pid 15576] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15576] setpgid(0, 0)               = 0
[pid 15576] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15576] write(3, "1000", 4)         = 4
[pid 15576] close(3)                    = 0
[pid 15576] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15576] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15576] pipe2([3, 4], 0)            = 0
[pid 15576] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15576] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15576] sync()                      = 0
[pid 15576] exit_group(0)               = ?
[pid 15576] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15576, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15577 attached
, child_tidptr=0x555555bcb690) = 15577
[pid 15577] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15577] setpgid(0, 0)               = 0
[pid 15577] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15577] write(3, "1000", 4)         = 4
[pid 15577] close(3)                    = 0
[pid 15577] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15577] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15577] pipe2([3, 4], 0)            = 0
[pid 15577] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15577] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15577] sync()                      = 0
[pid 15577] exit_group(0)               = ?
[pid 15577] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15577, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15578 attached
, child_tidptr=0x555555bcb690) = 15578
[pid 15578] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15578] setpgid(0, 0)               = 0
[pid 15578] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15578] write(3, "1000", 4)         = 4
[pid 15578] close(3)                    = 0
[pid 15578] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15578] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15578] pipe2([3, 4], 0)            = 0
[pid 15578] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15578] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15578] sync()                      = 0
[pid 15578] exit_group(0)               = ?
[pid 15578] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15578, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15579
./strace-static-x86_64: Process 15579 attached
[pid 15579] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15579] setpgid(0, 0)               = 0
[pid 15579] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15579] write(3, "1000", 4)         = 4
[pid 15579] close(3)                    = 0
[pid 15579] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15579] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15579] pipe2([3, 4], 0)            = 0
[pid 15579] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15579] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15579] sync()                      = 0
[pid 15579] exit_group(0)               = ?
[pid 15579] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15579, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15580 attached
, child_tidptr=0x555555bcb690) = 15580
[pid 15580] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15580] setpgid(0, 0)               = 0
[pid 15580] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15580] write(3, "1000", 4)         = 4
[pid 15580] close(3)                    = 0
[pid 15580] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15580] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15580] pipe2([3, 4], 0)            = 0
[pid 15580] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15580] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15580] sync()                      = 0
[pid 15580] exit_group(0)               = ?
[pid 15580] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15580, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15581 attached
, child_tidptr=0x555555bcb690) = 15581
[pid 15581] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15581] setpgid(0, 0)               = 0
[pid 15581] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15581] write(3, "1000", 4)         = 4
[pid 15581] close(3)                    = 0
[pid 15581] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15581] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15581] pipe2([3, 4], 0)            = 0
[pid 15581] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15581] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15581] sync()                      = 0
[pid 15581] exit_group(0)               = ?
[pid 15581] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15581, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15582 attached
, child_tidptr=0x555555bcb690) = 15582
[pid 15582] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15582] setpgid(0, 0)               = 0
[pid 15582] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15582] write(3, "1000", 4)         = 4
[pid 15582] close(3)                    = 0
[pid 15582] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15582] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15582] pipe2([3, 4], 0)            = 0
[pid 15582] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15582] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15582] sync()                      = 0
[pid 15582] exit_group(0)               = ?
[pid 15582] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15582, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15583
./strace-static-x86_64: Process 15583 attached
[pid 15583] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15583] setpgid(0, 0)               = 0
[pid 15583] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15583] write(3, "1000", 4)         = 4
[pid 15583] close(3)                    = 0
[pid 15583] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15583] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15583] pipe2([3, 4], 0)            = 0
[pid 15583] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15583] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15583] sync()                      = 0
[pid 15583] exit_group(0)               = ?
[pid 15583] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15583, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15584
./strace-static-x86_64: Process 15584 attached
[pid 15584] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15584] setpgid(0, 0)               = 0
[pid 15584] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15584] write(3, "1000", 4)         = 4
[pid 15584] close(3)                    = 0
[pid 15584] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15584] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15584] pipe2([3, 4], 0)            = 0
[pid 15584] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15584] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15584] sync()                      = 0
[pid 15584] exit_group(0)               = ?
[pid 15584] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15584, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15585 attached
, child_tidptr=0x555555bcb690) = 15585
[pid 15585] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15585] setpgid(0, 0)               = 0
[pid 15585] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15585] write(3, "1000", 4)         = 4
[pid 15585] close(3)                    = 0
[pid 15585] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15585] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15585] pipe2([3, 4], 0)            = 0
[pid 15585] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15585] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15585] sync()                      = 0
[pid 15585] exit_group(0)               = ?
[pid 15585] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15585, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15586 attached
, child_tidptr=0x555555bcb690) = 15586
[pid 15586] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15586] setpgid(0, 0)               = 0
[pid 15586] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15586] write(3, "1000", 4)         = 4
[pid 15586] close(3)                    = 0
[pid 15586] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15586] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15586] pipe2([3, 4], 0)            = 0
[pid 15586] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15586] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15586] sync()                      = 0
[pid 15586] exit_group(0)               = ?
[pid 15586] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15586, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15587 attached
, child_tidptr=0x555555bcb690) = 15587
[pid 15587] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15587] setpgid(0, 0)               = 0
[pid 15587] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15587] write(3, "1000", 4)         = 4
[pid 15587] close(3)                    = 0
[pid 15587] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15587] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15587] pipe2([3, 4], 0)            = 0
[pid 15587] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15587] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15587] sync()                      = 0
[pid 15587] exit_group(0)               = ?
[pid 15587] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15587, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15588
./strace-static-x86_64: Process 15588 attached
[pid 15588] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15588] setpgid(0, 0)               = 0
[pid 15588] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15588] write(3, "1000", 4)         = 4
[pid 15588] close(3)                    = 0
[pid 15588] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15588] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15588] pipe2([3, 4], 0)            = 0
[pid 15588] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15588] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15588] sync()                      = 0
[pid 15588] exit_group(0)               = ?
[pid 15588] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15588, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15589
./strace-static-x86_64: Process 15589 attached
[pid 15589] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15589] setpgid(0, 0)               = 0
[pid 15589] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15589] write(3, "1000", 4)         = 4
[pid 15589] close(3)                    = 0
[pid 15589] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15589] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15589] pipe2([3, 4], 0)            = 0
[pid 15589] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15589] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15589] sync()                      = 0
[pid 15589] exit_group(0)               = ?
[pid 15589] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15589, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15590 attached
, child_tidptr=0x555555bcb690) = 15590
[pid 15590] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15590] setpgid(0, 0)               = 0
[pid 15590] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15590] write(3, "1000", 4)         = 4
[pid 15590] close(3)                    = 0
[pid 15590] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15590] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15590] pipe2([3, 4], 0)            = 0
[pid 15590] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15590] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15590] sync()                      = 0
[pid 15590] exit_group(0)               = ?
[pid 15590] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15590, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15591 attached
, child_tidptr=0x555555bcb690) = 15591
[pid 15591] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15591] setpgid(0, 0)               = 0
[pid 15591] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15591] write(3, "1000", 4)         = 4
[pid 15591] close(3)                    = 0
[pid 15591] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15591] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15591] pipe2([3, 4], 0)            = 0
[pid 15591] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15591] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15591] sync()                      = 0
[pid 15591] exit_group(0)               = ?
[pid 15591] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15591, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15592 attached
, child_tidptr=0x555555bcb690) = 15592
[pid 15592] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15592] setpgid(0, 0)               = 0
[pid 15592] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15592] write(3, "1000", 4)         = 4
[pid 15592] close(3)                    = 0
[pid 15592] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15592] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15592] pipe2([3, 4], 0)            = 0
[pid 15592] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15592] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15592] sync()                      = 0
[pid 15592] exit_group(0)               = ?
[pid 15592] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15592, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15593 attached
, child_tidptr=0x555555bcb690) = 15593
[pid 15593] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15593] setpgid(0, 0)               = 0
[pid 15593] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15593] write(3, "1000", 4)         = 4
[pid 15593] close(3)                    = 0
[pid 15593] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15593] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15593] pipe2([3, 4], 0)            = 0
[pid 15593] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15593] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15593] sync()                      = 0
[pid 15593] exit_group(0)               = ?
[pid 15593] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15593, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15594 attached
, child_tidptr=0x555555bcb690) = 15594
[pid 15594] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15594] setpgid(0, 0)               = 0
[pid 15594] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15594] write(3, "1000", 4)         = 4
[pid 15594] close(3)                    = 0
[pid 15594] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15594] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15594] pipe2([3, 4], 0)            = 0
[pid 15594] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15594] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15594] sync()                      = 0
[pid 15594] exit_group(0)               = ?
[pid 15594] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15594, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15595 attached
, child_tidptr=0x555555bcb690) = 15595
[pid 15595] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15595] setpgid(0, 0)               = 0
[pid 15595] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15595] write(3, "1000", 4)         = 4
[pid 15595] close(3)                    = 0
[pid 15595] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15595] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15595] pipe2([3, 4], 0)            = 0
[pid 15595] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15595] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15595] sync()                      = 0
[pid 15595] exit_group(0)               = ?
[pid 15595] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15595, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15596 attached
, child_tidptr=0x555555bcb690) = 15596
[pid 15596] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15596] setpgid(0, 0)               = 0
[pid 15596] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15596] write(3, "1000", 4)         = 4
[pid 15596] close(3)                    = 0
[pid 15596] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15596] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15596] pipe2([3, 4], 0)            = 0
[pid 15596] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15596] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15596] sync()                      = 0
[pid 15596] exit_group(0)               = ?
[pid 15596] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15596, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15597 attached
, child_tidptr=0x555555bcb690) = 15597
[pid 15597] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15597] setpgid(0, 0)               = 0
[pid 15597] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15597] write(3, "1000", 4)         = 4
[pid 15597] close(3)                    = 0
[pid 15597] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15597] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15597] pipe2([3, 4], 0)            = 0
[pid 15597] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15597] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15597] sync()                      = 0
[pid 15597] exit_group(0)               = ?
[pid 15597] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15597, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15598 attached
, child_tidptr=0x555555bcb690) = 15598
[pid 15598] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15598] setpgid(0, 0)               = 0
[pid 15598] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15598] write(3, "1000", 4)         = 4
[pid 15598] close(3)                    = 0
[pid 15598] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15598] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15598] pipe2([3, 4], 0)            = 0
[pid 15598] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15598] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15598] sync()                      = 0
[pid 15598] exit_group(0)               = ?
[pid 15598] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15598, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15599 attached
, child_tidptr=0x555555bcb690) = 15599
[pid 15599] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15599] setpgid(0, 0)               = 0
[pid 15599] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15599] write(3, "1000", 4)         = 4
[pid 15599] close(3)                    = 0
[pid 15599] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15599] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15599] pipe2([3, 4], 0)            = 0
[pid 15599] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15599] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15599] sync()                      = 0
[pid 15599] exit_group(0)               = ?
[pid 15599] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15599, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15600 attached
, child_tidptr=0x555555bcb690) = 15600
[pid 15600] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15600] setpgid(0, 0)               = 0
[pid 15600] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15600] write(3, "1000", 4)         = 4
[pid 15600] close(3)                    = 0
[pid 15600] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15600] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15600] pipe2([3, 4], 0)            = 0
[pid 15600] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15600] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15600] sync()                      = 0
[pid 15600] exit_group(0)               = ?
[pid 15600] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15600, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15601 attached
, child_tidptr=0x555555bcb690) = 15601
[pid 15601] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15601] setpgid(0, 0)               = 0
[pid 15601] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15601] write(3, "1000", 4)         = 4
[pid 15601] close(3)                    = 0
[pid 15601] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15601] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15601] pipe2([3, 4], 0)            = 0
[pid 15601] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15601] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15601] sync()                      = 0
[pid 15601] exit_group(0)               = ?
[pid 15601] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15601, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15602
./strace-static-x86_64: Process 15602 attached
[pid 15602] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15602] setpgid(0, 0)               = 0
[pid 15602] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15602] write(3, "1000", 4)         = 4
[pid 15602] close(3)                    = 0
[pid 15602] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15602] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15602] pipe2([3, 4], 0)            = 0
[pid 15602] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15602] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15602] sync()                      = 0
[pid 15602] exit_group(0)               = ?
[pid 15602] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15602, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15603 attached
, child_tidptr=0x555555bcb690) = 15603
[pid 15603] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15603] setpgid(0, 0)               = 0
[pid 15603] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15603] write(3, "1000", 4)         = 4
[pid 15603] close(3)                    = 0
[pid 15603] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15603] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15603] pipe2([3, 4], 0)            = 0
[pid 15603] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15603] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15603] sync()                      = 0
[pid 15603] exit_group(0)               = ?
[pid 15603] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15603, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15604 attached
, child_tidptr=0x555555bcb690) = 15604
[pid 15604] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15604] setpgid(0, 0)               = 0
[pid 15604] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15604] write(3, "1000", 4)         = 4
[pid 15604] close(3)                    = 0
[pid 15604] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15604] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15604] pipe2([3, 4], 0)            = 0
[pid 15604] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15604] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15604] sync()                      = 0
[pid 15604] exit_group(0)               = ?
[pid 15604] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15604, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15605 attached
, child_tidptr=0x555555bcb690) = 15605
[pid 15605] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15605] setpgid(0, 0)               = 0
[pid 15605] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15605] write(3, "1000", 4)         = 4
[pid 15605] close(3)                    = 0
[pid 15605] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15605] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15605] pipe2([3, 4], 0)            = 0
[pid 15605] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15605] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15605] sync()                      = 0
[pid 15605] exit_group(0)               = ?
[pid 15605] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15605, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15606
./strace-static-x86_64: Process 15606 attached
[pid 15606] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15606] setpgid(0, 0)               = 0
[pid 15606] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15606] write(3, "1000", 4)         = 4
[pid 15606] close(3)                    = 0
[pid 15606] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15606] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15606] pipe2([3, 4], 0)            = 0
[pid 15606] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15606] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15606] sync()                      = 0
[pid 15606] exit_group(0)               = ?
[pid 15606] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15606, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15607 attached
, child_tidptr=0x555555bcb690) = 15607
[pid 15607] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15607] setpgid(0, 0)               = 0
[pid 15607] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15607] write(3, "1000", 4)         = 4
[pid 15607] close(3)                    = 0
[pid 15607] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15607] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15607] pipe2([3, 4], 0)            = 0
[pid 15607] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15607] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15607] sync()                      = 0
[pid 15607] exit_group(0)               = ?
[pid 15607] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15607, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15608 attached
, child_tidptr=0x555555bcb690) = 15608
[pid 15608] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15608] setpgid(0, 0)               = 0
[pid 15608] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15608] write(3, "1000", 4)         = 4
[pid 15608] close(3)                    = 0
[pid 15608] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15608] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15608] pipe2([3, 4], 0)            = 0
[pid 15608] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15608] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15608] sync()                      = 0
[pid 15608] exit_group(0)               = ?
[pid 15608] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15608, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15609 attached
, child_tidptr=0x555555bcb690) = 15609
[pid 15609] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15609] setpgid(0, 0)               = 0
[pid 15609] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15609] write(3, "1000", 4)         = 4
[pid 15609] close(3)                    = 0
[pid 15609] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15609] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15609] pipe2([3, 4], 0)            = 0
[pid 15609] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15609] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15609] sync()                      = 0
[pid 15609] exit_group(0)               = ?
[pid 15609] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15609, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15610 attached
, child_tidptr=0x555555bcb690) = 15610
[pid 15610] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15610] setpgid(0, 0)               = 0
[pid 15610] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15610] write(3, "1000", 4)         = 4
[pid 15610] close(3)                    = 0
[pid 15610] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15610] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15610] pipe2([3, 4], 0)            = 0
[pid 15610] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15610] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15610] sync()                      = 0
[pid 15610] exit_group(0)               = ?
[pid 15610] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15610, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15611 attached
, child_tidptr=0x555555bcb690) = 15611
[pid 15611] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15611] setpgid(0, 0)               = 0
[pid 15611] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15611] write(3, "1000", 4)         = 4
[pid 15611] close(3)                    = 0
[pid 15611] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15611] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15611] pipe2([3, 4], 0)            = 0
[pid 15611] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15611] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15611] sync()                      = 0
[pid 15611] exit_group(0)               = ?
[pid 15611] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15611, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15612
./strace-static-x86_64: Process 15612 attached
[pid 15612] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15612] setpgid(0, 0)               = 0
[pid 15612] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15612] write(3, "1000", 4)         = 4
[pid 15612] close(3)                    = 0
[pid 15612] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15612] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15612] pipe2([3, 4], 0)            = 0
[pid 15612] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15612] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15612] sync()                      = 0
[pid 15612] exit_group(0)               = ?
[pid 15612] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15612, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15613
./strace-static-x86_64: Process 15613 attached
[pid 15613] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15613] setpgid(0, 0)               = 0
[pid 15613] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15613] write(3, "1000", 4)         = 4
[pid 15613] close(3)                    = 0
[pid 15613] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15613] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15613] pipe2([3, 4], 0)            = 0
[pid 15613] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15613] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15613] sync()                      = 0
[pid 15613] exit_group(0)               = ?
[pid 15613] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15613, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15614
./strace-static-x86_64: Process 15614 attached
[pid 15614] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15614] setpgid(0, 0)               = 0
[pid 15614] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15614] write(3, "1000", 4)         = 4
[pid 15614] close(3)                    = 0
[pid 15614] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15614] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15614] pipe2([3, 4], 0)            = 0
[pid 15614] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15614] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15614] sync()                      = 0
[pid 15614] exit_group(0)               = ?
[pid 15614] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15614, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15615
./strace-static-x86_64: Process 15615 attached
[pid 15615] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15615] setpgid(0, 0)               = 0
[pid 15615] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15615] write(3, "1000", 4)         = 4
[pid 15615] close(3)                    = 0
[pid 15615] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15615] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15615] pipe2([3, 4], 0)            = 0
[pid 15615] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15615] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15615] sync()                      = 0
[pid 15615] exit_group(0)               = ?
[pid 15615] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15615, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15616 attached
, child_tidptr=0x555555bcb690) = 15616
[pid 15616] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15616] setpgid(0, 0)               = 0
[pid 15616] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15616] write(3, "1000", 4)         = 4
[pid 15616] close(3)                    = 0
[pid 15616] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15616] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15616] pipe2([3, 4], 0)            = 0
[pid 15616] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15616] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15616] sync()                      = 0
[pid 15616] exit_group(0)               = ?
[pid 15616] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15616, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15617 attached
, child_tidptr=0x555555bcb690) = 15617
[pid 15617] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15617] setpgid(0, 0)               = 0
[pid 15617] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15617] write(3, "1000", 4)         = 4
[pid 15617] close(3)                    = 0
[pid 15617] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15617] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15617] pipe2([3, 4], 0)            = 0
[pid 15617] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15617] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15617] sync()                      = 0
[pid 15617] exit_group(0)               = ?
[pid 15617] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15617, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15618
./strace-static-x86_64: Process 15618 attached
[pid 15618] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15618] setpgid(0, 0)               = 0
[pid 15618] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15618] write(3, "1000", 4)         = 4
[pid 15618] close(3)                    = 0
[pid 15618] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15618] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15618] pipe2([3, 4], 0)            = 0
[pid 15618] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15618] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15618] sync()                      = 0
[pid 15618] exit_group(0)               = ?
[pid 15618] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15618, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15619
./strace-static-x86_64: Process 15619 attached
[pid 15619] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15619] setpgid(0, 0)               = 0
[pid 15619] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15619] write(3, "1000", 4)         = 4
[pid 15619] close(3)                    = 0
[pid 15619] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15619] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15619] pipe2([3, 4], 0)            = 0
[pid 15619] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15619] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15619] sync()                      = 0
[pid 15619] exit_group(0)               = ?
[pid 15619] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15619, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15620 attached
, child_tidptr=0x555555bcb690) = 15620
[pid 15620] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15620] setpgid(0, 0)               = 0
[pid 15620] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15620] write(3, "1000", 4)         = 4
[pid 15620] close(3)                    = 0
[pid 15620] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15620] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15620] pipe2([3, 4], 0)            = 0
[pid 15620] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15620] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15620] sync()                      = 0
[pid 15620] exit_group(0)               = ?
[pid 15620] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15620, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15621 attached
, child_tidptr=0x555555bcb690) = 15621
[pid 15621] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15621] setpgid(0, 0)               = 0
[pid 15621] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15621] write(3, "1000", 4)         = 4
[pid 15621] close(3)                    = 0
[pid 15621] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15621] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15621] pipe2([3, 4], 0)            = 0
[pid 15621] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15621] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15621] sync()                      = 0
[pid 15621] exit_group(0)               = ?
[pid 15621] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15621, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15622 attached
, child_tidptr=0x555555bcb690) = 15622
[pid 15622] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15622] setpgid(0, 0)               = 0
[pid 15622] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15622] write(3, "1000", 4)         = 4
[pid 15622] close(3)                    = 0
[pid 15622] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15622] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15622] pipe2([3, 4], 0)            = 0
[pid 15622] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15622] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15622] sync()                      = 0
[pid 15622] exit_group(0)               = ?
[pid 15622] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15622, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15623 attached
, child_tidptr=0x555555bcb690) = 15623
[pid 15623] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15623] setpgid(0, 0)               = 0
[pid 15623] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15623] write(3, "1000", 4)         = 4
[pid 15623] close(3)                    = 0
[pid 15623] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15623] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15623] pipe2([3, 4], 0)            = 0
[pid 15623] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15623] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15623] sync()                      = 0
[pid 15623] exit_group(0)               = ?
[pid 15623] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15623, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15624 attached
, child_tidptr=0x555555bcb690) = 15624
[pid 15624] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15624] setpgid(0, 0)               = 0
[pid 15624] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15624] write(3, "1000", 4)         = 4
[pid 15624] close(3)                    = 0
[pid 15624] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15624] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15624] pipe2([3, 4], 0)            = 0
[pid 15624] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15624] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15624] sync()                      = 0
[pid 15624] exit_group(0)               = ?
[pid 15624] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15624, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15625
./strace-static-x86_64: Process 15625 attached
[pid 15625] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15625] setpgid(0, 0)               = 0
[pid 15625] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15625] write(3, "1000", 4)         = 4
[pid 15625] close(3)                    = 0
[pid 15625] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15625] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15625] pipe2([3, 4], 0)            = 0
[pid 15625] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15625] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15625] sync()                      = 0
[pid 15625] exit_group(0)               = ?
[pid 15625] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15625, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15626 attached
, child_tidptr=0x555555bcb690) = 15626
[pid 15626] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15626] setpgid(0, 0)               = 0
[pid 15626] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15626] write(3, "1000", 4)         = 4
[pid 15626] close(3)                    = 0
[pid 15626] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15626] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15626] pipe2([3, 4], 0)            = 0
[pid 15626] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15626] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15626] sync()                      = 0
[pid 15626] exit_group(0)               = ?
[pid 15626] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15626, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15628
./strace-static-x86_64: Process 15628 attached
[pid 15628] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15628] setpgid(0, 0)               = 0
[pid 15628] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15628] write(3, "1000", 4)         = 4
[pid 15628] close(3)                    = 0
[pid 15628] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15628] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15628] pipe2([3, 4], 0)            = 0
[pid 15628] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15628] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15628] sync()                      = 0
[pid 15628] exit_group(0)               = ?
[pid 15628] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15628, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15629 attached
, child_tidptr=0x555555bcb690) = 15629
[pid 15629] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15629] setpgid(0, 0)               = 0
[pid 15629] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15629] write(3, "1000", 4)         = 4
[pid 15629] close(3)                    = 0
[pid 15629] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15629] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15629] pipe2([3, 4], 0)            = 0
[pid 15629] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15629] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15629] sync()                      = 0
[pid 15629] exit_group(0)               = ?
[pid 15629] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15629, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15630 attached
, child_tidptr=0x555555bcb690) = 15630
[pid 15630] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15630] setpgid(0, 0)               = 0
[pid 15630] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15630] write(3, "1000", 4)         = 4
[pid 15630] close(3)                    = 0
[pid 15630] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15630] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15630] pipe2([3, 4], 0)            = 0
[pid 15630] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15630] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15630] sync()                      = 0
[pid 15630] exit_group(0)               = ?
[pid 15630] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15630, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15631
./strace-static-x86_64: Process 15631 attached
[pid 15631] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15631] setpgid(0, 0)               = 0
[pid 15631] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15631] write(3, "1000", 4)         = 4
[pid 15631] close(3)                    = 0
[pid 15631] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15631] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15631] pipe2([3, 4], 0)            = 0
[pid 15631] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15631] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15631] sync()                      = 0
[pid 15631] exit_group(0)               = ?
[pid 15631] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15631, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15632
./strace-static-x86_64: Process 15632 attached
[pid 15632] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15632] setpgid(0, 0)               = 0
[pid 15632] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15632] write(3, "1000", 4)         = 4
[pid 15632] close(3)                    = 0
[pid 15632] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15632] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15632] pipe2([3, 4], 0)            = 0
[pid 15632] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15632] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15632] sync()                      = 0
[pid 15632] exit_group(0)               = ?
[pid 15632] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15632, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15633
./strace-static-x86_64: Process 15633 attached
[pid 15633] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15633] setpgid(0, 0)               = 0
[pid 15633] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15633] write(3, "1000", 4)         = 4
[pid 15633] close(3)                    = 0
[pid 15633] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15633] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15633] pipe2([3, 4], 0)            = 0
[pid 15633] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15633] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15633] sync()                      = 0
[pid 15633] exit_group(0)               = ?
[pid 15633] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15633, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15634 attached
, child_tidptr=0x555555bcb690) = 15634
[pid 15634] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15634] setpgid(0, 0)               = 0
[pid 15634] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15634] write(3, "1000", 4)         = 4
[pid 15634] close(3)                    = 0
[pid 15634] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15634] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15634] pipe2([3, 4], 0)            = 0
[pid 15634] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15634] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15634] sync()                      = 0
[pid 15634] exit_group(0)               = ?
[pid 15634] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15634, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15635 attached
, child_tidptr=0x555555bcb690) = 15635
[pid 15635] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15635] setpgid(0, 0)               = 0
[pid 15635] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15635] write(3, "1000", 4)         = 4
[pid 15635] close(3)                    = 0
[pid 15635] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15635] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15635] pipe2([3, 4], 0)            = 0
[pid 15635] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15635] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15635] sync()                      = 0
[pid 15635] exit_group(0)               = ?
[pid 15635] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15635, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15636
./strace-static-x86_64: Process 15636 attached
[pid 15636] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15636] setpgid(0, 0)               = 0
[pid 15636] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15636] write(3, "1000", 4)         = 4
[pid 15636] close(3)                    = 0
[pid 15636] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15636] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15636] pipe2([3, 4], 0)            = 0
[pid 15636] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15636] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15636] sync()                      = 0
[pid 15636] exit_group(0)               = ?
[pid 15636] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15636, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15637
./strace-static-x86_64: Process 15637 attached
[pid 15637] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15637] setpgid(0, 0)               = 0
[pid 15637] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15637] write(3, "1000", 4)         = 4
[pid 15637] close(3)                    = 0
[pid 15637] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15637] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15637] pipe2([3, 4], 0)            = 0
[pid 15637] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15637] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15637] sync()                      = 0
[pid 15637] exit_group(0)               = ?
[pid 15637] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15637, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15638 attached
, child_tidptr=0x555555bcb690) = 15638
[pid 15638] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15638] setpgid(0, 0)               = 0
[pid 15638] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15638] write(3, "1000", 4)         = 4
[pid 15638] close(3)                    = 0
[pid 15638] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15638] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15638] pipe2([3, 4], 0)            = 0
[pid 15638] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15638] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15638] sync()                      = 0
[pid 15638] exit_group(0)               = ?
[pid 15638] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15638, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15639 attached
, child_tidptr=0x555555bcb690) = 15639
[pid 15639] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15639] setpgid(0, 0)               = 0
[pid 15639] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15639] write(3, "1000", 4)         = 4
[pid 15639] close(3)                    = 0
[pid 15639] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15639] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15639] pipe2([3, 4], 0)            = 0
[pid 15639] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15639] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15639] sync()                      = 0
[pid 15639] exit_group(0)               = ?
[pid 15639] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15639, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15640 attached
, child_tidptr=0x555555bcb690) = 15640
[pid 15640] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15640] setpgid(0, 0)               = 0
[pid 15640] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15640] write(3, "1000", 4)         = 4
[pid 15640] close(3)                    = 0
[pid 15640] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15640] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15640] pipe2([3, 4], 0)            = 0
[pid 15640] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15640] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15640] sync()                      = 0
[pid 15640] exit_group(0)               = ?
[pid 15640] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15640, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15641 attached
, child_tidptr=0x555555bcb690) = 15641
[pid 15641] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15641] setpgid(0, 0)               = 0
[pid 15641] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15641] write(3, "1000", 4)         = 4
[pid 15641] close(3)                    = 0
[pid 15641] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15641] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15641] pipe2([3, 4], 0)            = 0
[pid 15641] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15641] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15641] sync()                      = 0
[pid 15641] exit_group(0)               = ?
[pid 15641] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15641, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15642
./strace-static-x86_64: Process 15642 attached
[pid 15642] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15642] setpgid(0, 0)               = 0
[pid 15642] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15642] write(3, "1000", 4)         = 4
[pid 15642] close(3)                    = 0
[pid 15642] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15642] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15642] pipe2([3, 4], 0)            = 0
[pid 15642] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15642] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15642] sync()                      = 0
[pid 15642] exit_group(0)               = ?
[pid 15642] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15642, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15643 attached
, child_tidptr=0x555555bcb690) = 15643
[pid 15643] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15643] setpgid(0, 0)               = 0
[pid 15643] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15643] write(3, "1000", 4)         = 4
[pid 15643] close(3)                    = 0
[pid 15643] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15643] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15643] pipe2([3, 4], 0)            = 0
[pid 15643] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15643] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15643] sync()                      = 0
[pid 15643] exit_group(0)               = ?
[pid 15643] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15643, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15644 attached
, child_tidptr=0x555555bcb690) = 15644
[pid 15644] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15644] setpgid(0, 0)               = 0
[pid 15644] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15644] write(3, "1000", 4)         = 4
[pid 15644] close(3)                    = 0
[pid 15644] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15644] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15644] pipe2([3, 4], 0)            = 0
[pid 15644] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15644] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15644] sync()                      = 0
[pid 15644] exit_group(0)               = ?
[pid 15644] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15644, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15645 attached
, child_tidptr=0x555555bcb690) = 15645
[pid 15645] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15645] setpgid(0, 0)               = 0
[pid 15645] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15645] write(3, "1000", 4)         = 4
[pid 15645] close(3)                    = 0
[pid 15645] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15645] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15645] pipe2([3, 4], 0)            = 0
[pid 15645] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15645] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15645] sync()                      = 0
[pid 15645] exit_group(0)               = ?
[pid 15645] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15645, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15646 attached
, child_tidptr=0x555555bcb690) = 15646
[pid 15646] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15646] setpgid(0, 0)               = 0
[pid 15646] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15646] write(3, "1000", 4)         = 4
[pid 15646] close(3)                    = 0
[pid 15646] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15646] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15646] pipe2([3, 4], 0)            = 0
[pid 15646] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15646] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15646] sync()                      = 0
[pid 15646] exit_group(0)               = ?
[pid 15646] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15646, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15647
./strace-static-x86_64: Process 15647 attached
[pid 15647] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15647] setpgid(0, 0)               = 0
[pid 15647] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15647] write(3, "1000", 4)         = 4
[pid 15647] close(3)                    = 0
[pid 15647] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15647] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15647] pipe2([3, 4], 0)            = 0
[pid 15647] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15647] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15647] sync()                      = 0
[pid 15647] exit_group(0)               = ?
[pid 15647] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15647, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15648 attached
, child_tidptr=0x555555bcb690) = 15648
[pid 15648] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15648] setpgid(0, 0)               = 0
[pid 15648] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15648] write(3, "1000", 4)         = 4
[pid 15648] close(3)                    = 0
[pid 15648] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15648] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15648] pipe2([3, 4], 0)            = 0
[pid 15648] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15648] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15648] sync()                      = 0
[pid 15648] exit_group(0)               = ?
[pid 15648] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15648, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15649 attached
, child_tidptr=0x555555bcb690) = 15649
[pid 15649] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15649] setpgid(0, 0)               = 0
[pid 15649] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15649] write(3, "1000", 4)         = 4
[pid 15649] close(3)                    = 0
[pid 15649] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15649] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15649] pipe2([3, 4], 0)            = 0
[pid 15649] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15649] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15649] sync()                      = 0
[pid 15649] exit_group(0)               = ?
[pid 15649] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15649, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15650 attached
, child_tidptr=0x555555bcb690) = 15650
[pid 15650] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15650] setpgid(0, 0)               = 0
[pid 15650] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15650] write(3, "1000", 4)         = 4
[pid 15650] close(3)                    = 0
[pid 15650] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15650] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15650] pipe2([3, 4], 0)            = 0
[pid 15650] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15650] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15650] sync()                      = 0
[pid 15650] exit_group(0)               = ?
[pid 15650] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15650, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15651 attached
, child_tidptr=0x555555bcb690) = 15651
[pid 15651] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15651] setpgid(0, 0)               = 0
[pid 15651] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15651] write(3, "1000", 4)         = 4
[pid 15651] close(3)                    = 0
[pid 15651] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15651] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15651] pipe2([3, 4], 0)            = 0
[pid 15651] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15651] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15651] sync()                      = 0
[pid 15651] exit_group(0)               = ?
[pid 15651] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15651, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15652 attached
, child_tidptr=0x555555bcb690) = 15652
[pid 15652] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15652] setpgid(0, 0)               = 0
[pid 15652] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15652] write(3, "1000", 4)         = 4
[pid 15652] close(3)                    = 0
[pid 15652] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15652] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15652] pipe2([3, 4], 0)            = 0
[pid 15652] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15652] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15652] sync()                      = 0
[pid 15652] exit_group(0)               = ?
[pid 15652] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15652, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15653 attached
, child_tidptr=0x555555bcb690) = 15653
[pid 15653] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15653] setpgid(0, 0)               = 0
[pid 15653] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15653] write(3, "1000", 4)         = 4
[pid 15653] close(3)                    = 0
[pid 15653] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15653] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15653] pipe2([3, 4], 0)            = 0
[pid 15653] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15653] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15653] sync()                      = 0
[pid 15653] exit_group(0)               = ?
[pid 15653] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15653, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15654 attached
, child_tidptr=0x555555bcb690) = 15654
[pid 15654] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15654] setpgid(0, 0)               = 0
[pid 15654] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15654] write(3, "1000", 4)         = 4
[pid 15654] close(3)                    = 0
[pid 15654] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15654] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15654] pipe2([3, 4], 0)            = 0
[pid 15654] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15654] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15654] sync()                      = 0
[pid 15654] exit_group(0)               = ?
[pid 15654] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15654, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15655 attached
, child_tidptr=0x555555bcb690) = 15655
[pid 15655] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15655] setpgid(0, 0)               = 0
[pid 15655] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15655] write(3, "1000", 4)         = 4
[pid 15655] close(3)                    = 0
[pid 15655] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15655] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15655] pipe2([3, 4], 0)            = 0
[pid 15655] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15655] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15655] sync()                      = 0
[pid 15655] exit_group(0)               = ?
[pid 15655] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15655, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15656 attached
, child_tidptr=0x555555bcb690) = 15656
[pid 15656] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15656] setpgid(0, 0)               = 0
[pid 15656] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15656] write(3, "1000", 4)         = 4
[pid 15656] close(3)                    = 0
[pid 15656] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15656] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15656] pipe2([3, 4], 0)            = 0
[pid 15656] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15656] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15656] sync()                      = 0
[pid 15656] exit_group(0)               = ?
[pid 15656] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15656, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15657 attached
, child_tidptr=0x555555bcb690) = 15657
[pid 15657] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15657] setpgid(0, 0)               = 0
[pid 15657] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15657] write(3, "1000", 4)         = 4
[pid 15657] close(3)                    = 0
[pid 15657] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15657] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15657] pipe2([3, 4], 0)            = 0
[pid 15657] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15657] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15657] sync()                      = 0
[pid 15657] exit_group(0)               = ?
[pid 15657] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15657, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15658
./strace-static-x86_64: Process 15658 attached
[pid 15658] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15658] setpgid(0, 0)               = 0
[pid 15658] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15658] write(3, "1000", 4)         = 4
[pid 15658] close(3)                    = 0
[pid 15658] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15658] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15658] pipe2([3, 4], 0)            = 0
[pid 15658] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15658] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15658] sync()                      = 0
[pid 15658] exit_group(0)               = ?
[pid 15658] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15658, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15659
./strace-static-x86_64: Process 15659 attached
[pid 15659] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15659] setpgid(0, 0)               = 0
[pid 15659] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15659] write(3, "1000", 4)         = 4
[pid 15659] close(3)                    = 0
[pid 15659] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15659] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15659] pipe2([3, 4], 0)            = 0
[pid 15659] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15659] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15659] sync()                      = 0
[pid 15659] exit_group(0)               = ?
[pid 15659] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15659, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15660
./strace-static-x86_64: Process 15660 attached
[pid 15660] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15660] setpgid(0, 0)               = 0
[pid 15660] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15660] write(3, "1000", 4)         = 4
[pid 15660] close(3)                    = 0
[pid 15660] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15660] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15660] pipe2([3, 4], 0)            = 0
[pid 15660] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15660] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15660] sync()                      = 0
[pid 15660] exit_group(0)               = ?
[pid 15660] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15660, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15661 attached
, child_tidptr=0x555555bcb690) = 15661
[pid 15661] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15661] setpgid(0, 0)               = 0
[pid 15661] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15661] write(3, "1000", 4)         = 4
[pid 15661] close(3)                    = 0
[pid 15661] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15661] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15661] pipe2([3, 4], 0)            = 0
[pid 15661] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15661] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15661] sync()                      = 0
[pid 15661] exit_group(0)               = ?
[pid 15661] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15661, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15662
./strace-static-x86_64: Process 15662 attached
[pid 15662] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15662] setpgid(0, 0)               = 0
[pid 15662] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15662] write(3, "1000", 4)         = 4
[pid 15662] close(3)                    = 0
[pid 15662] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15662] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15662] pipe2([3, 4], 0)            = 0
[pid 15662] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15662] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15662] sync()                      = 0
[pid 15662] exit_group(0)               = ?
[pid 15662] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15662, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15663 attached
, child_tidptr=0x555555bcb690) = 15663
[pid 15663] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15663] setpgid(0, 0)               = 0
[pid 15663] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15663] write(3, "1000", 4)         = 4
[pid 15663] close(3)                    = 0
[pid 15663] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15663] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15663] pipe2([3, 4], 0)            = 0
[pid 15663] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15663] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15663] sync()                      = 0
[pid 15663] exit_group(0)               = ?
[pid 15663] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15663, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15664 attached
, child_tidptr=0x555555bcb690) = 15664
[pid 15664] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15664] setpgid(0, 0)               = 0
[pid 15664] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15664] write(3, "1000", 4)         = 4
[pid 15664] close(3)                    = 0
[pid 15664] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15664] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15664] pipe2([3, 4], 0)            = 0
[pid 15664] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15664] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15664] sync()                      = 0
[pid 15664] exit_group(0)               = ?
[pid 15664] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15664, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15665 attached
, child_tidptr=0x555555bcb690) = 15665
[pid 15665] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15665] setpgid(0, 0)               = 0
[pid 15665] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15665] write(3, "1000", 4)         = 4
[pid 15665] close(3)                    = 0
[pid 15665] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15665] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15665] pipe2([3, 4], 0)            = 0
[pid 15665] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15665] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15665] sync()                      = 0
[pid 15665] exit_group(0)               = ?
[pid 15665] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15665, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15666 attached
, child_tidptr=0x555555bcb690) = 15666
[pid 15666] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15666] setpgid(0, 0)               = 0
[pid 15666] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15666] write(3, "1000", 4)         = 4
[pid 15666] close(3)                    = 0
[pid 15666] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15666] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15666] pipe2([3, 4], 0)            = 0
[pid 15666] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15666] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15666] sync()                      = 0
[pid 15666] exit_group(0)               = ?
[pid 15666] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15666, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15667 attached
, child_tidptr=0x555555bcb690) = 15667
[pid 15667] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15667] setpgid(0, 0)               = 0
[pid 15667] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15667] write(3, "1000", 4)         = 4
[pid 15667] close(3)                    = 0
[pid 15667] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15667] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15667] pipe2([3, 4], 0)            = 0
[pid 15667] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15667] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15667] sync()                      = 0
[pid 15667] exit_group(0)               = ?
[pid 15667] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15667, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15668 attached
, child_tidptr=0x555555bcb690) = 15668
[pid 15668] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15668] setpgid(0, 0)               = 0
[pid 15668] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15668] write(3, "1000", 4)         = 4
[pid 15668] close(3)                    = 0
[pid 15668] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15668] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15668] pipe2([3, 4], 0)            = 0
[pid 15668] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15668] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15668] sync()                      = 0
[pid 15668] exit_group(0)               = ?
[pid 15668] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15668, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15669 attached
, child_tidptr=0x555555bcb690) = 15669
[pid 15669] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15669] setpgid(0, 0)               = 0
[pid 15669] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15669] write(3, "1000", 4)         = 4
[pid 15669] close(3)                    = 0
[pid 15669] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15669] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15669] pipe2([3, 4], 0)            = 0
[pid 15669] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15669] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15669] sync()                      = 0
[pid 15669] exit_group(0)               = ?
[pid 15669] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15669, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15670 attached
, child_tidptr=0x555555bcb690) = 15670
[pid 15670] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15670] setpgid(0, 0)               = 0
[pid 15670] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15670] write(3, "1000", 4)         = 4
[pid 15670] close(3)                    = 0
[pid 15670] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15670] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15670] pipe2([3, 4], 0)            = 0
[pid 15670] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15670] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15670] sync()                      = 0
[pid 15670] exit_group(0)               = ?
[pid 15670] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15670, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15671 attached
, child_tidptr=0x555555bcb690) = 15671
[pid 15671] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15671] setpgid(0, 0)               = 0
[pid 15671] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15671] write(3, "1000", 4)         = 4
[pid 15671] close(3)                    = 0
[pid 15671] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15671] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15671] pipe2([3, 4], 0)            = 0
[pid 15671] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15671] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15671] sync()                      = 0
[pid 15671] exit_group(0)               = ?
[pid 15671] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15671, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15672
./strace-static-x86_64: Process 15672 attached
[pid 15672] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15672] setpgid(0, 0)               = 0
[pid 15672] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15672] write(3, "1000", 4)         = 4
[pid 15672] close(3)                    = 0
[pid 15672] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15672] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15672] pipe2([3, 4], 0)            = 0
[pid 15672] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15672] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15672] sync()                      = 0
[pid 15672] exit_group(0)               = ?
[pid 15672] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15672, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15673 attached
, child_tidptr=0x555555bcb690) = 15673
[pid 15673] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15673] setpgid(0, 0)               = 0
[pid 15673] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15673] write(3, "1000", 4)         = 4
[pid 15673] close(3)                    = 0
[pid 15673] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15673] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15673] pipe2([3, 4], 0)            = 0
[pid 15673] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15673] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15673] sync()                      = 0
[pid 15673] exit_group(0)               = ?
[pid 15673] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15673, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15674 attached
, child_tidptr=0x555555bcb690) = 15674
[pid 15674] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15674] setpgid(0, 0)               = 0
[pid 15674] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15674] write(3, "1000", 4)         = 4
[pid 15674] close(3)                    = 0
[pid 15674] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15674] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15674] pipe2([3, 4], 0)            = 0
[pid 15674] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15674] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15674] sync()                      = 0
[pid 15674] exit_group(0)               = ?
[pid 15674] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15674, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15675 attached
, child_tidptr=0x555555bcb690) = 15675
[pid 15675] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15675] setpgid(0, 0)               = 0
[pid 15675] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15675] write(3, "1000", 4)         = 4
[pid 15675] close(3)                    = 0
[pid 15675] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15675] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15675] pipe2([3, 4], 0)            = 0
[pid 15675] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15675] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15675] sync()                      = 0
[pid 15675] exit_group(0)               = ?
[pid 15675] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15675, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15676 attached
, child_tidptr=0x555555bcb690) = 15676
[pid 15676] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15676] setpgid(0, 0)               = 0
[pid 15676] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15676] write(3, "1000", 4)         = 4
[pid 15676] close(3)                    = 0
[pid 15676] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15676] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15676] pipe2([3, 4], 0)            = 0
[pid 15676] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15676] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15676] sync()                      = 0
[pid 15676] exit_group(0)               = ?
[pid 15676] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15676, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15677 attached
, child_tidptr=0x555555bcb690) = 15677
[pid 15677] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15677] setpgid(0, 0)               = 0
[pid 15677] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15677] write(3, "1000", 4)         = 4
[pid 15677] close(3)                    = 0
[pid 15677] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15677] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15677] pipe2([3, 4], 0)            = 0
[pid 15677] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15677] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15677] sync()                      = 0
[pid 15677] exit_group(0)               = ?
[pid 15677] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15677, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15678
./strace-static-x86_64: Process 15678 attached
[pid 15678] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15678] setpgid(0, 0)               = 0
[pid 15678] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15678] write(3, "1000", 4)         = 4
[pid 15678] close(3)                    = 0
[pid 15678] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15678] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15678] pipe2([3, 4], 0)            = 0
[pid 15678] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15678] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15678] sync()                      = 0
[pid 15678] exit_group(0)               = ?
[pid 15678] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15678, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15679
./strace-static-x86_64: Process 15679 attached
[pid 15679] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15679] setpgid(0, 0)               = 0
[pid 15679] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15679] write(3, "1000", 4)         = 4
[pid 15679] close(3)                    = 0
[pid 15679] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15679] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15679] pipe2([3, 4], 0)            = 0
[pid 15679] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15679] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15679] sync()                      = 0
[pid 15679] exit_group(0)               = ?
[pid 15679] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15679, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15680 attached
, child_tidptr=0x555555bcb690) = 15680
[pid 15680] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15680] setpgid(0, 0)               = 0
[pid 15680] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15680] write(3, "1000", 4)         = 4
[pid 15680] close(3)                    = 0
[pid 15680] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15680] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15680] pipe2([3, 4], 0)            = 0
[pid 15680] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15680] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15680] sync()                      = 0
[pid 15680] exit_group(0)               = ?
[pid 15680] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15680, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15681
./strace-static-x86_64: Process 15681 attached
[pid 15681] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15681] setpgid(0, 0)               = 0
[pid 15681] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15681] write(3, "1000", 4)         = 4
[pid 15681] close(3)                    = 0
[pid 15681] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15681] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15681] pipe2([3, 4], 0)            = 0
[pid 15681] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15681] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15681] sync()                      = 0
[pid 15681] exit_group(0)               = ?
[pid 15681] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15681, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15682
./strace-static-x86_64: Process 15682 attached
[pid 15682] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15682] setpgid(0, 0)               = 0
[pid 15682] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15682] write(3, "1000", 4)         = 4
[pid 15682] close(3)                    = 0
[pid 15682] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15682] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15682] pipe2([3, 4], 0)            = 0
[pid 15682] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15682] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15682] sync()                      = 0
[pid 15682] exit_group(0)               = ?
[pid 15682] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15682, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15683
./strace-static-x86_64: Process 15683 attached
[pid 15683] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15683] setpgid(0, 0)               = 0
[pid 15683] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15683] write(3, "1000", 4)         = 4
[pid 15683] close(3)                    = 0
[pid 15683] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15683] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15683] pipe2([3, 4], 0)            = 0
[pid 15683] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15683] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15683] sync()                      = 0
[pid 15683] exit_group(0)               = ?
[pid 15683] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15683, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15684 attached
, child_tidptr=0x555555bcb690) = 15684
[pid 15684] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15684] setpgid(0, 0)               = 0
[pid 15684] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15684] write(3, "1000", 4)         = 4
[pid 15684] close(3)                    = 0
[pid 15684] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15684] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15684] pipe2([3, 4], 0)            = 0
[pid 15684] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15684] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15684] sync()                      = 0
[pid 15684] exit_group(0)               = ?
[pid 15684] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15684, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15685 attached
, child_tidptr=0x555555bcb690) = 15685
[pid 15685] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15685] setpgid(0, 0)               = 0
[pid 15685] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15685] write(3, "1000", 4)         = 4
[pid 15685] close(3)                    = 0
[pid 15685] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15685] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15685] pipe2([3, 4], 0)            = 0
[pid 15685] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15685] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15685] sync()                      = 0
[pid 15685] exit_group(0)               = ?
[pid 15685] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15685, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15686
./strace-static-x86_64: Process 15686 attached
[pid 15686] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15686] setpgid(0, 0)               = 0
[pid 15686] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15686] write(3, "1000", 4)         = 4
[pid 15686] close(3)                    = 0
[pid 15686] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15686] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15686] pipe2([3, 4], 0)            = 0
[pid 15686] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15686] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15686] sync()                      = 0
[pid 15686] exit_group(0)               = ?
[pid 15686] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15686, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15687
./strace-static-x86_64: Process 15687 attached
[pid 15687] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15687] setpgid(0, 0)               = 0
[pid 15687] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15687] write(3, "1000", 4)         = 4
[pid 15687] close(3)                    = 0
[pid 15687] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15687] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15687] pipe2([3, 4], 0)            = 0
[pid 15687] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15687] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15687] sync()                      = 0
[pid 15687] exit_group(0)               = ?
[pid 15687] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15687, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15688 attached
, child_tidptr=0x555555bcb690) = 15688
[pid 15688] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15688] setpgid(0, 0)               = 0
[pid 15688] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15688] write(3, "1000", 4)         = 4
[pid 15688] close(3)                    = 0
[pid 15688] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15688] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15688] pipe2([3, 4], 0)            = 0
[pid 15688] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15688] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15688] sync()                      = 0
[pid 15688] exit_group(0)               = ?
[pid 15688] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15688, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15689
./strace-static-x86_64: Process 15689 attached
[pid 15689] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15689] setpgid(0, 0)               = 0
[pid 15689] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15689] write(3, "1000", 4)         = 4
[pid 15689] close(3)                    = 0
[pid 15689] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15689] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15689] pipe2([3, 4], 0)            = 0
[pid 15689] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15689] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15689] sync()                      = 0
[pid 15689] exit_group(0)               = ?
[pid 15689] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15689, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15690 attached
, child_tidptr=0x555555bcb690) = 15690
[pid 15690] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15690] setpgid(0, 0)               = 0
[pid 15690] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15690] write(3, "1000", 4)         = 4
[pid 15690] close(3)                    = 0
[pid 15690] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15690] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15690] pipe2([3, 4], 0)            = 0
[pid 15690] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15690] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15690] sync()                      = 0
[pid 15690] exit_group(0)               = ?
[pid 15690] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15690, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15691 attached
, child_tidptr=0x555555bcb690) = 15691
[pid 15691] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15691] setpgid(0, 0)               = 0
[pid 15691] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15691] write(3, "1000", 4)         = 4
[pid 15691] close(3)                    = 0
[pid 15691] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15691] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15691] pipe2([3, 4], 0)            = 0
[pid 15691] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15691] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15691] sync()                      = 0
[pid 15691] exit_group(0)               = ?
[pid 15691] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15691, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15692 attached
, child_tidptr=0x555555bcb690) = 15692
[pid 15692] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15692] setpgid(0, 0)               = 0
[pid 15692] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15692] write(3, "1000", 4)         = 4
[pid 15692] close(3)                    = 0
[pid 15692] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15692] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15692] pipe2([3, 4], 0)            = 0
[pid 15692] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15692] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15692] sync()                      = 0
[pid 15692] exit_group(0)               = ?
[pid 15692] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15692, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15693 attached
, child_tidptr=0x555555bcb690) = 15693
[pid 15693] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15693] setpgid(0, 0)               = 0
[pid 15693] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15693] write(3, "1000", 4)         = 4
[pid 15693] close(3)                    = 0
[pid 15693] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15693] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15693] pipe2([3, 4], 0)            = 0
[pid 15693] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15693] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15693] sync()                      = 0
[pid 15693] exit_group(0)               = ?
[pid 15693] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15693, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15694 attached
, child_tidptr=0x555555bcb690) = 15694
[pid 15694] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15694] setpgid(0, 0)               = 0
[pid 15694] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15694] write(3, "1000", 4)         = 4
[pid 15694] close(3)                    = 0
[pid 15694] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15694] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15694] pipe2([3, 4], 0)            = 0
[pid 15694] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15694] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15694] sync()                      = 0
[pid 15694] exit_group(0)               = ?
[pid 15694] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15694, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15695 attached
 <unfinished ...>
[pid 15695] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15695] setpgid(0, 0)               = 0
[pid 15695] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3603] <... clone resumed>, child_tidptr=0x555555bcb690) = 15695
[pid 15695] <... openat resumed>)       = 3
[pid 15695] write(3, "1000", 4)         = 4
[pid 15695] close(3)                    = 0
[pid 15695] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15695] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15695] pipe2([3, 4], 0)            = 0
[pid 15695] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15695] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15695] sync()                      = 0
[pid 15695] exit_group(0)               = ?
[pid 15695] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15695, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15696
./strace-static-x86_64: Process 15696 attached
[pid 15696] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15696] setpgid(0, 0)               = 0
[pid 15696] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15696] write(3, "1000", 4)         = 4
[pid 15696] close(3)                    = 0
[pid 15696] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15696] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15696] pipe2([3, 4], 0)            = 0
[pid 15696] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15696] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15696] sync()                      = 0
[pid 15696] exit_group(0)               = ?
[pid 15696] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15696, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15697
./strace-static-x86_64: Process 15697 attached
[pid 15697] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15697] setpgid(0, 0)               = 0
[pid 15697] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15697] write(3, "1000", 4)         = 4
[pid 15697] close(3)                    = 0
[pid 15697] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15697] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15697] pipe2([3, 4], 0)            = 0
[pid 15697] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15697] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15697] sync()                      = 0
[pid 15697] exit_group(0)               = ?
[pid 15697] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15697, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15698 attached
, child_tidptr=0x555555bcb690) = 15698
[pid 15698] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15698] setpgid(0, 0)               = 0
[pid 15698] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15698] write(3, "1000", 4)         = 4
[pid 15698] close(3)                    = 0
[pid 15698] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15698] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15698] pipe2([3, 4], 0)            = 0
[pid 15698] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15698] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15698] sync()                      = 0
[pid 15698] exit_group(0)               = ?
[pid 15698] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15698, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15699 attached
, child_tidptr=0x555555bcb690) = 15699
[pid 15699] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15699] setpgid(0, 0)               = 0
[pid 15699] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15699] write(3, "1000", 4)         = 4
[pid 15699] close(3)                    = 0
[pid 15699] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15699] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15699] pipe2([3, 4], 0)            = 0
[pid 15699] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15699] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15699] sync()                      = 0
[pid 15699] exit_group(0)               = ?
[pid 15699] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15699, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15700
./strace-static-x86_64: Process 15700 attached
[pid 15700] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15700] setpgid(0, 0)               = 0
[pid 15700] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15700] write(3, "1000", 4)         = 4
[pid 15700] close(3)                    = 0
[pid 15700] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15700] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15700] pipe2([3, 4], 0)            = 0
[pid 15700] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15700] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15700] sync()                      = 0
[pid 15700] exit_group(0)               = ?
[pid 15700] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15700, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15701
./strace-static-x86_64: Process 15701 attached
[pid 15701] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15701] setpgid(0, 0)               = 0
[pid 15701] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15701] write(3, "1000", 4)         = 4
[pid 15701] close(3)                    = 0
[pid 15701] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15701] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15701] pipe2([3, 4], 0)            = 0
[pid 15701] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15701] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15701] sync()                      = 0
[pid 15701] exit_group(0)               = ?
[pid 15701] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15701, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15702 attached
, child_tidptr=0x555555bcb690) = 15702
[pid 15702] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15702] setpgid(0, 0)               = 0
[pid 15702] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15702] write(3, "1000", 4)         = 4
[pid 15702] close(3)                    = 0
[pid 15702] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15702] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15702] pipe2([3, 4], 0)            = 0
[pid 15702] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15702] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15702] sync()                      = 0
[pid 15702] exit_group(0)               = ?
[pid 15702] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15702, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15703 attached
, child_tidptr=0x555555bcb690) = 15703
[pid 15703] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15703] setpgid(0, 0)               = 0
[pid 15703] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15703] write(3, "1000", 4)         = 4
[pid 15703] close(3)                    = 0
[pid 15703] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15703] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15703] pipe2([3, 4], 0)            = 0
[pid 15703] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15703] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15703] sync()                      = 0
[pid 15703] exit_group(0)               = ?
[pid 15703] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15703, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15704
./strace-static-x86_64: Process 15704 attached
[pid 15704] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15704] setpgid(0, 0)               = 0
[pid 15704] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15704] write(3, "1000", 4)         = 4
[pid 15704] close(3)                    = 0
[pid 15704] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15704] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15704] pipe2([3, 4], 0)            = 0
[pid 15704] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15704] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15704] sync()                      = 0
[pid 15704] exit_group(0)               = ?
[pid 15704] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15704, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15705
./strace-static-x86_64: Process 15705 attached
[pid 15705] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15705] setpgid(0, 0)               = 0
[pid 15705] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15705] write(3, "1000", 4)         = 4
[pid 15705] close(3)                    = 0
[pid 15705] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15705] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15705] pipe2([3, 4], 0)            = 0
[pid 15705] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15705] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15705] sync()                      = 0
[pid 15705] exit_group(0)               = ?
[pid 15705] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15705, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15706 attached
, child_tidptr=0x555555bcb690) = 15706
[pid 15706] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15706] setpgid(0, 0)               = 0
[pid 15706] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15706] write(3, "1000", 4)         = 4
[pid 15706] close(3)                    = 0
[pid 15706] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15706] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15706] pipe2([3, 4], 0)            = 0
[pid 15706] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15706] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15706] sync()                      = 0
[pid 15706] exit_group(0)               = ?
[pid 15706] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15706, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15707 attached
, child_tidptr=0x555555bcb690) = 15707
[pid 15707] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15707] setpgid(0, 0)               = 0
[pid 15707] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15707] write(3, "1000", 4)         = 4
[pid 15707] close(3)                    = 0
[pid 15707] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15707] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15707] pipe2([3, 4], 0)            = 0
[pid 15707] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15707] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15707] sync()                      = 0
[pid 15707] exit_group(0)               = ?
[pid 15707] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15707, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15708
./strace-static-x86_64: Process 15708 attached
[pid 15708] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15708] setpgid(0, 0)               = 0
[pid 15708] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15708] write(3, "1000", 4)         = 4
[pid 15708] close(3)                    = 0
[pid 15708] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15708] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15708] pipe2([3, 4], 0)            = 0
[pid 15708] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15708] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15708] sync()                      = 0
[pid 15708] exit_group(0)               = ?
[pid 15708] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15708, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15709 attached
, child_tidptr=0x555555bcb690) = 15709
[pid 15709] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15709] setpgid(0, 0)               = 0
[pid 15709] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15709] write(3, "1000", 4)         = 4
[pid 15709] close(3)                    = 0
[pid 15709] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15709] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15709] pipe2([3, 4], 0)            = 0
[pid 15709] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15709] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15709] sync()                      = 0
[pid 15709] exit_group(0)               = ?
[pid 15709] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15709, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15710 attached
, child_tidptr=0x555555bcb690) = 15710
[pid 15710] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15710] setpgid(0, 0)               = 0
[pid 15710] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15710] write(3, "1000", 4)         = 4
[pid 15710] close(3)                    = 0
[pid 15710] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15710] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15710] pipe2([3, 4], 0)            = 0
[pid 15710] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15710] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15710] sync()                      = 0
[pid 15710] exit_group(0)               = ?
[pid 15710] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15710, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15711
./strace-static-x86_64: Process 15711 attached
[pid 15711] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15711] setpgid(0, 0)               = 0
[pid 15711] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15711] write(3, "1000", 4)         = 4
[pid 15711] close(3)                    = 0
[pid 15711] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15711] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15711] pipe2([3, 4], 0)            = 0
[pid 15711] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15711] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15711] sync()                      = 0
[pid 15711] exit_group(0)               = ?
[pid 15711] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15711, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15712 attached
, child_tidptr=0x555555bcb690) = 15712
[pid 15712] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15712] setpgid(0, 0)               = 0
[pid 15712] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15712] write(3, "1000", 4)         = 4
[pid 15712] close(3)                    = 0
[pid 15712] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15712] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15712] pipe2([3, 4], 0)            = 0
[pid 15712] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15712] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15712] sync()                      = 0
[pid 15712] exit_group(0)               = ?
[pid 15712] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15712, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15713 attached
, child_tidptr=0x555555bcb690) = 15713
[pid 15713] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15713] setpgid(0, 0)               = 0
[pid 15713] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15713] write(3, "1000", 4)         = 4
[pid 15713] close(3)                    = 0
[pid 15713] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15713] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15713] pipe2([3, 4], 0)            = 0
[pid 15713] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15713] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15713] sync()                      = 0
[pid 15713] exit_group(0)               = ?
[pid 15713] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15713, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15714 attached
, child_tidptr=0x555555bcb690) = 15714
[pid 15714] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15714] setpgid(0, 0)               = 0
[pid 15714] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15714] write(3, "1000", 4)         = 4
[pid 15714] close(3)                    = 0
[pid 15714] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15714] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15714] pipe2([3, 4], 0)            = 0
[pid 15714] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15714] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15714] sync()                      = 0
[pid 15714] exit_group(0)               = ?
[pid 15714] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15714, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15715
./strace-static-x86_64: Process 15715 attached
[pid 15715] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15715] setpgid(0, 0)               = 0
[pid 15715] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15715] write(3, "1000", 4)         = 4
[pid 15715] close(3)                    = 0
[pid 15715] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15715] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15715] pipe2([3, 4], 0)            = 0
[pid 15715] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15715] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15715] sync()                      = 0
[pid 15715] exit_group(0)               = ?
[pid 15715] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15715, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15716
./strace-static-x86_64: Process 15716 attached
[pid 15716] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15716] setpgid(0, 0)               = 0
[pid 15716] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15716] write(3, "1000", 4)         = 4
[pid 15716] close(3)                    = 0
[pid 15716] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15716] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15716] pipe2([3, 4], 0)            = 0
[pid 15716] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15716] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15716] sync()                      = 0
[pid 15716] exit_group(0)               = ?
[pid 15716] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15716, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15717
./strace-static-x86_64: Process 15717 attached
[pid 15717] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15717] setpgid(0, 0)               = 0
[pid 15717] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15717] write(3, "1000", 4)         = 4
[pid 15717] close(3)                    = 0
[pid 15717] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15717] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15717] pipe2([3, 4], 0)            = 0
[pid 15717] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15717] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15717] sync()                      = 0
[pid 15717] exit_group(0)               = ?
[pid 15717] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15717, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15718 attached
, child_tidptr=0x555555bcb690) = 15718
[pid 15718] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15718] setpgid(0, 0)               = 0
[pid 15718] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15718] write(3, "1000", 4)         = 4
[pid 15718] close(3)                    = 0
[pid 15718] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15718] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15718] pipe2([3, 4], 0)            = 0
[pid 15718] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15718] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15718] sync()                      = 0
[pid 15718] exit_group(0)               = ?
[pid 15718] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15718, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15719 attached
, child_tidptr=0x555555bcb690) = 15719
[pid 15719] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15719] setpgid(0, 0)               = 0
[pid 15719] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15719] write(3, "1000", 4)         = 4
[pid 15719] close(3)                    = 0
[pid 15719] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15719] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15719] pipe2([3, 4], 0)            = 0
[pid 15719] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15719] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15719] sync()                      = 0
[pid 15719] exit_group(0)               = ?
[pid 15719] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15719, si_uid=0, si_status=0, si_utime=1, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15720
./strace-static-x86_64: Process 15720 attached
[pid 15720] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15720] setpgid(0, 0)               = 0
[pid 15720] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15720] write(3, "1000", 4)         = 4
[pid 15720] close(3)                    = 0
[pid 15720] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15720] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15720] pipe2([3, 4], 0)            = 0
[pid 15720] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15720] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15720] sync()                      = 0
[pid 15720] exit_group(0)               = ?
[pid 15720] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15720, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15721 attached
, child_tidptr=0x555555bcb690) = 15721
[pid 15721] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15721] setpgid(0, 0)               = 0
[pid 15721] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15721] write(3, "1000", 4)         = 4
[pid 15721] close(3)                    = 0
[pid 15721] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15721] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15721] pipe2([3, 4], 0)            = 0
[pid 15721] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15721] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15721] sync()                      = 0
[pid 15721] exit_group(0)               = ?
[pid 15721] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15721, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15722
./strace-static-x86_64: Process 15722 attached
[pid 15722] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15722] setpgid(0, 0)               = 0
[pid 15722] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15722] write(3, "1000", 4)         = 4
[pid 15722] close(3)                    = 0
[pid 15722] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15722] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15722] pipe2([3, 4], 0)            = 0
[pid 15722] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15722] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15722] sync()                      = 0
[pid 15722] exit_group(0)               = ?
[pid 15722] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15722, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15723 attached
, child_tidptr=0x555555bcb690) = 15723
[pid 15723] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15723] setpgid(0, 0)               = 0
[pid 15723] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15723] write(3, "1000", 4)         = 4
[pid 15723] close(3)                    = 0
[pid 15723] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15723] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15723] pipe2([3, 4], 0)            = 0
[pid 15723] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15723] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15723] sync()                      = 0
[pid 15723] exit_group(0)               = ?
[pid 15723] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15723, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15724 attached
, child_tidptr=0x555555bcb690) = 15724
[pid 15724] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15724] setpgid(0, 0)               = 0
[pid 15724] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15724] write(3, "1000", 4)         = 4
[pid 15724] close(3)                    = 0
[pid 15724] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15724] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15724] pipe2([3, 4], 0)            = 0
[pid 15724] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15724] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15724] sync()                      = 0
[pid 15724] exit_group(0)               = ?
[pid 15724] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15724, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15725 attached
, child_tidptr=0x555555bcb690) = 15725
[pid 15725] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15725] setpgid(0, 0)               = 0
[pid 15725] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15725] write(3, "1000", 4)         = 4
[pid 15725] close(3)                    = 0
[pid 15725] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15725] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15725] pipe2([3, 4], 0)            = 0
[pid 15725] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15725] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15725] sync()                      = 0
[pid 15725] exit_group(0)               = ?
[pid 15725] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15725, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15726 attached
, child_tidptr=0x555555bcb690) = 15726
[pid 15726] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15726] setpgid(0, 0)               = 0
[pid 15726] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15726] write(3, "1000", 4)         = 4
[pid 15726] close(3)                    = 0
[pid 15726] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15726] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15726] pipe2([3, 4], 0)            = 0
[pid 15726] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15726] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15726] sync()                      = 0
[pid 15726] exit_group(0)               = ?
[pid 15726] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15726, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15727 attached
, child_tidptr=0x555555bcb690) = 15727
[pid 15727] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15727] setpgid(0, 0)               = 0
[pid 15727] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15727] write(3, "1000", 4)         = 4
[pid 15727] close(3)                    = 0
[pid 15727] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15727] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15727] pipe2([3, 4], 0)            = 0
[pid 15727] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15727] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15727] sync()                      = 0
[pid 15727] exit_group(0)               = ?
[pid 15727] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15727, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15728 attached
, child_tidptr=0x555555bcb690) = 15728
[pid 15728] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15728] setpgid(0, 0)               = 0
[pid 15728] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15728] write(3, "1000", 4)         = 4
[pid 15728] close(3)                    = 0
[pid 15728] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15728] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15728] pipe2([3, 4], 0)            = 0
[pid 15728] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15728] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15728] sync()                      = 0
[pid 15728] exit_group(0)               = ?
[pid 15728] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15728, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15729 attached
, child_tidptr=0x555555bcb690) = 15729
[pid 15729] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15729] setpgid(0, 0)               = 0
[pid 15729] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15729] write(3, "1000", 4)         = 4
[pid 15729] close(3)                    = 0
[pid 15729] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15729] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15729] pipe2([3, 4], 0)            = 0
[pid 15729] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15729] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15729] sync()                      = 0
[pid 15729] exit_group(0)               = ?
[pid 15729] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15729, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15730 attached
, child_tidptr=0x555555bcb690) = 15730
[pid 15730] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15730] setpgid(0, 0)               = 0
[pid 15730] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15730] write(3, "1000", 4)         = 4
[pid 15730] close(3)                    = 0
[pid 15730] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15730] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15730] pipe2([3, 4], 0)            = 0
[pid 15730] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15730] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15730] sync()                      = 0
[pid 15730] exit_group(0)               = ?
[pid 15730] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15730, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15731 attached
, child_tidptr=0x555555bcb690) = 15731
[pid 15731] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15731] setpgid(0, 0)               = 0
[pid 15731] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15731] write(3, "1000", 4)         = 4
[pid 15731] close(3)                    = 0
[pid 15731] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15731] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15731] pipe2([3, 4], 0)            = 0
[pid 15731] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15731] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15731] sync()                      = 0
[pid 15731] exit_group(0)               = ?
[pid 15731] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15731, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15732 attached
, child_tidptr=0x555555bcb690) = 15732
[pid 15732] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15732] setpgid(0, 0)               = 0
[pid 15732] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15732] write(3, "1000", 4)         = 4
[pid 15732] close(3)                    = 0
[pid 15732] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15732] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15732] pipe2([3, 4], 0)            = 0
[pid 15732] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15732] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15732] sync()                      = 0
[pid 15732] exit_group(0)               = ?
[pid 15732] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15732, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15733
./strace-static-x86_64: Process 15733 attached
[pid 15733] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15733] setpgid(0, 0)               = 0
[pid 15733] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15733] write(3, "1000", 4)         = 4
[pid 15733] close(3)                    = 0
[pid 15733] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15733] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15733] pipe2([3, 4], 0)            = 0
[pid 15733] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15733] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15733] sync()                      = 0
[pid 15733] exit_group(0)               = ?
[pid 15733] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15733, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15734
./strace-static-x86_64: Process 15734 attached
[pid 15734] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15734] setpgid(0, 0)               = 0
[pid 15734] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15734] write(3, "1000", 4)         = 4
[pid 15734] close(3)                    = 0
[pid 15734] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15734] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15734] pipe2([3, 4], 0)            = 0
[pid 15734] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15734] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15734] sync()                      = 0
[pid 15734] exit_group(0)               = ?
[pid 15734] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15734, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15735 attached
, child_tidptr=0x555555bcb690) = 15735
[pid 15735] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15735] setpgid(0, 0)               = 0
[pid 15735] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15735] write(3, "1000", 4)         = 4
[pid 15735] close(3)                    = 0
[pid 15735] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15735] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15735] pipe2([3, 4], 0)            = 0
[pid 15735] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15735] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15735] sync()                      = 0
[pid 15735] exit_group(0)               = ?
[pid 15735] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15735, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15736 attached
, child_tidptr=0x555555bcb690) = 15736
[pid 15736] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15736] setpgid(0, 0)               = 0
[pid 15736] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15736] write(3, "1000", 4)         = 4
[pid 15736] close(3)                    = 0
[pid 15736] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15736] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15736] pipe2([3, 4], 0)            = 0
[pid 15736] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15736] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15736] sync()                      = 0
[pid 15736] exit_group(0)               = ?
[pid 15736] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15736, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15737 attached
, child_tidptr=0x555555bcb690) = 15737
[pid 15737] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15737] setpgid(0, 0)               = 0
[pid 15737] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15737] write(3, "1000", 4)         = 4
[pid 15737] close(3)                    = 0
[pid 15737] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15737] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15737] pipe2([3, 4], 0)            = 0
[pid 15737] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15737] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15737] sync()                      = 0
[pid 15737] exit_group(0)               = ?
[pid 15737] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15737, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15738 attached
, child_tidptr=0x555555bcb690) = 15738
[pid 15738] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15738] setpgid(0, 0)               = 0
[pid 15738] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15738] write(3, "1000", 4)         = 4
[pid 15738] close(3)                    = 0
[pid 15738] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15738] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15738] pipe2([3, 4], 0)            = 0
[pid 15738] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15738] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15738] sync()                      = 0
[pid 15738] exit_group(0)               = ?
[pid 15738] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15738, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15739 attached
, child_tidptr=0x555555bcb690) = 15739
[pid 15739] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15739] setpgid(0, 0)               = 0
[pid 15739] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15739] write(3, "1000", 4)         = 4
[pid 15739] close(3)                    = 0
[pid 15739] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15739] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15739] pipe2([3, 4], 0)            = 0
[pid 15739] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15739] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15739] sync()                      = 0
[pid 15739] exit_group(0)               = ?
[pid 15739] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15739, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15740 attached
, child_tidptr=0x555555bcb690) = 15740
[pid 15740] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15740] setpgid(0, 0)               = 0
[pid 15740] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15740] write(3, "1000", 4)         = 4
[pid 15740] close(3)                    = 0
[pid 15740] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15740] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15740] pipe2([3, 4], 0)            = 0
[pid 15740] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15740] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15740] sync()                      = 0
[pid 15740] exit_group(0)               = ?
[pid 15740] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15740, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15741 attached
, child_tidptr=0x555555bcb690) = 15741
[pid 15741] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15741] setpgid(0, 0)               = 0
[pid 15741] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15741] write(3, "1000", 4)         = 4
[pid 15741] close(3)                    = 0
[pid 15741] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15741] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15741] pipe2([3, 4], 0)            = 0
[pid 15741] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15741] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15741] sync()                      = 0
[pid 15741] exit_group(0)               = ?
[pid 15741] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15741, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15742 attached
, child_tidptr=0x555555bcb690) = 15742
[pid 15742] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15742] setpgid(0, 0)               = 0
[pid 15742] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15742] write(3, "1000", 4)         = 4
[pid 15742] close(3)                    = 0
[pid 15742] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15742] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15742] pipe2([3, 4], 0)            = 0
[pid 15742] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15742] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15742] sync()                      = 0
[pid 15742] exit_group(0)               = ?
[pid 15742] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15742, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15743
./strace-static-x86_64: Process 15743 attached
[pid 15743] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15743] setpgid(0, 0)               = 0
[pid 15743] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15743] write(3, "1000", 4)         = 4
[pid 15743] close(3)                    = 0
[pid 15743] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15743] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15743] pipe2([3, 4], 0)            = 0
[pid 15743] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15743] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15743] sync()                      = 0
[pid 15743] exit_group(0)               = ?
[pid 15743] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15743, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15744 attached
, child_tidptr=0x555555bcb690) = 15744
[pid 15744] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15744] setpgid(0, 0)               = 0
[pid 15744] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15744] write(3, "1000", 4)         = 4
[pid 15744] close(3)                    = 0
[pid 15744] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15744] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15744] pipe2([3, 4], 0)            = 0
[pid 15744] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15744] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15744] sync()                      = 0
[pid 15744] exit_group(0)               = ?
[pid 15744] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15744, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15745 attached
, child_tidptr=0x555555bcb690) = 15745
[pid 15745] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15745] setpgid(0, 0)               = 0
[pid 15745] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15745] write(3, "1000", 4)         = 4
[pid 15745] close(3)                    = 0
[pid 15745] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15745] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15745] pipe2([3, 4], 0)            = 0
[pid 15745] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15745] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15745] sync()                      = 0
[pid 15745] exit_group(0)               = ?
[pid 15745] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15745, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15746 attached
, child_tidptr=0x555555bcb690) = 15746
[pid 15746] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15746] setpgid(0, 0)               = 0
[pid 15746] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15746] write(3, "1000", 4)         = 4
[pid 15746] close(3)                    = 0
[pid 15746] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15746] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15746] pipe2([3, 4], 0)            = 0
[pid 15746] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15746] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15746] sync()                      = 0
[pid 15746] exit_group(0)               = ?
[pid 15746] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15746, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15747
./strace-static-x86_64: Process 15747 attached
[pid 15747] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15747] setpgid(0, 0)               = 0
[pid 15747] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15747] write(3, "1000", 4)         = 4
[pid 15747] close(3)                    = 0
[pid 15747] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15747] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15747] pipe2([3, 4], 0)            = 0
[pid 15747] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15747] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15747] sync()                      = 0
[pid 15747] exit_group(0)               = ?
[pid 15747] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15747, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15748 attached
, child_tidptr=0x555555bcb690) = 15748
[pid 15748] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15748] setpgid(0, 0)               = 0
[pid 15748] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15748] write(3, "1000", 4)         = 4
[pid 15748] close(3)                    = 0
[pid 15748] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15748] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15748] pipe2([3, 4], 0)            = 0
[pid 15748] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15748] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15748] sync()                      = 0
[pid 15748] exit_group(0)               = ?
[pid 15748] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15748, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15749 attached
, child_tidptr=0x555555bcb690) = 15749
[pid 15749] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15749] setpgid(0, 0)               = 0
[pid 15749] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15749] write(3, "1000", 4)         = 4
[pid 15749] close(3)                    = 0
[pid 15749] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15749] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15749] pipe2([3, 4], 0)            = 0
[pid 15749] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15749] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15749] sync()                      = 0
[pid 15749] exit_group(0)               = ?
[pid 15749] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15749, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15750 attached
, child_tidptr=0x555555bcb690) = 15750
[pid 15750] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15750] setpgid(0, 0)               = 0
[pid 15750] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15750] write(3, "1000", 4)         = 4
[pid 15750] close(3)                    = 0
[pid 15750] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15750] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15750] pipe2([3, 4], 0)            = 0
[pid 15750] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15750] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15750] sync()                      = 0
[pid 15750] exit_group(0)               = ?
[pid 15750] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15750, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15751 attached
, child_tidptr=0x555555bcb690) = 15751
[pid 15751] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15751] setpgid(0, 0)               = 0
[pid 15751] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15751] write(3, "1000", 4)         = 4
[pid 15751] close(3)                    = 0
[pid 15751] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15751] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15751] pipe2([3, 4], 0)            = 0
[pid 15751] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15751] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15751] sync()                      = 0
[pid 15751] exit_group(0)               = ?
[pid 15751] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15751, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15752 attached
, child_tidptr=0x555555bcb690) = 15752
[pid 15752] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15752] setpgid(0, 0)               = 0
[pid 15752] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15752] write(3, "1000", 4)         = 4
[pid 15752] close(3)                    = 0
[pid 15752] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15752] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15752] pipe2([3, 4], 0)            = 0
[pid 15752] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15752] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15752] sync()                      = 0
[pid 15752] exit_group(0)               = ?
[pid 15752] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15752, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15753
./strace-static-x86_64: Process 15753 attached
[pid 15753] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15753] setpgid(0, 0)               = 0
[pid 15753] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15753] write(3, "1000", 4)         = 4
[pid 15753] close(3)                    = 0
[pid 15753] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15753] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15753] pipe2([3, 4], 0)            = 0
[pid 15753] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15753] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15753] sync()                      = 0
[pid 15753] exit_group(0)               = ?
[pid 15753] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15753, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15754
./strace-static-x86_64: Process 15754 attached
[pid 15754] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15754] setpgid(0, 0)               = 0
[pid 15754] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15754] write(3, "1000", 4)         = 4
[pid 15754] close(3)                    = 0
[pid 15754] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15754] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15754] pipe2([3, 4], 0)            = 0
[pid 15754] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15754] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15754] sync()                      = 0
[pid 15754] exit_group(0)               = ?
[pid 15754] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15754, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15755
./strace-static-x86_64: Process 15755 attached
[pid 15755] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15755] setpgid(0, 0)               = 0
[pid 15755] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15755] write(3, "1000", 4)         = 4
[pid 15755] close(3)                    = 0
[pid 15755] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15755] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15755] pipe2([3, 4], 0)            = 0
[pid 15755] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15755] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15755] sync()                      = 0
[pid 15755] exit_group(0)               = ?
[pid 15755] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15755, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15756 attached
, child_tidptr=0x555555bcb690) = 15756
[pid 15756] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15756] setpgid(0, 0)               = 0
[pid 15756] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15756] write(3, "1000", 4)         = 4
[pid 15756] close(3)                    = 0
[pid 15756] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15756] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15756] pipe2([3, 4], 0)            = 0
[pid 15756] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15756] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15756] sync()                      = 0
[pid 15756] exit_group(0)               = ?
[pid 15756] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15756, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15757 attached
, child_tidptr=0x555555bcb690) = 15757
[pid 15757] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15757] setpgid(0, 0)               = 0
[pid 15757] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15757] write(3, "1000", 4)         = 4
[pid 15757] close(3)                    = 0
[pid 15757] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15757] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15757] pipe2([3, 4], 0)            = 0
[pid 15757] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15757] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15757] sync()                      = 0
[pid 15757] exit_group(0)               = ?
[pid 15757] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15757, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15758 attached
, child_tidptr=0x555555bcb690) = 15758
[pid 15758] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15758] setpgid(0, 0)               = 0
[pid 15758] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15758] write(3, "1000", 4)         = 4
[pid 15758] close(3)                    = 0
[pid 15758] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15758] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15758] pipe2([3, 4], 0)            = 0
[pid 15758] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15758] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15758] sync()                      = 0
[pid 15758] exit_group(0)               = ?
[pid 15758] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15758, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15759 attached
, child_tidptr=0x555555bcb690) = 15759
[pid 15759] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15759] setpgid(0, 0)               = 0
[pid 15759] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15759] write(3, "1000", 4)         = 4
[pid 15759] close(3)                    = 0
[pid 15759] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15759] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15759] pipe2([3, 4], 0)            = 0
[pid 15759] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15759] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15759] sync()                      = 0
[pid 15759] exit_group(0)               = ?
[pid 15759] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15759, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15760 attached
, child_tidptr=0x555555bcb690) = 15760
[pid 15760] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15760] setpgid(0, 0)               = 0
[pid 15760] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15760] write(3, "1000", 4)         = 4
[pid 15760] close(3)                    = 0
[pid 15760] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15760] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15760] pipe2([3, 4], 0)            = 0
[pid 15760] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15760] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15760] sync()                      = 0
[pid 15760] exit_group(0)               = ?
[pid 15760] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15760, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15761 attached
, child_tidptr=0x555555bcb690) = 15761
[pid 15761] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15761] setpgid(0, 0)               = 0
[pid 15761] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15761] write(3, "1000", 4)         = 4
[pid 15761] close(3)                    = 0
[pid 15761] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15761] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15761] pipe2([3, 4], 0)            = 0
[pid 15761] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15761] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15761] sync()                      = 0
[pid 15761] exit_group(0)               = ?
[pid 15761] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15761, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15762 attached
, child_tidptr=0x555555bcb690) = 15762
[pid 15762] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15762] setpgid(0, 0)               = 0
[pid 15762] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15762] write(3, "1000", 4)         = 4
[pid 15762] close(3)                    = 0
[pid 15762] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15762] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15762] pipe2([3, 4], 0)            = 0
[pid 15762] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15762] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15762] sync()                      = 0
[pid 15762] exit_group(0)               = ?
[pid 15762] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15762, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15763 attached
, child_tidptr=0x555555bcb690) = 15763
[pid 15763] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15763] setpgid(0, 0)               = 0
[pid 15763] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15763] write(3, "1000", 4)         = 4
[pid 15763] close(3)                    = 0
[pid 15763] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15763] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15763] pipe2([3, 4], 0)            = 0
[pid 15763] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15763] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15763] sync()                      = 0
[pid 15763] exit_group(0)               = ?
[pid 15763] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15763, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15764 attached
, child_tidptr=0x555555bcb690) = 15764
[pid 15764] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15764] setpgid(0, 0)               = 0
[pid 15764] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15764] write(3, "1000", 4)         = 4
[pid 15764] close(3)                    = 0
[pid 15764] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15764] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15764] pipe2([3, 4], 0)            = 0
[pid 15764] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15764] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15764] sync()                      = 0
[pid 15764] exit_group(0)               = ?
[pid 15764] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15764, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15765 attached
, child_tidptr=0x555555bcb690) = 15765
[pid 15765] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15765] setpgid(0, 0)               = 0
[pid 15765] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15765] write(3, "1000", 4)         = 4
[pid 15765] close(3)                    = 0
[pid 15765] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15765] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15765] pipe2([3, 4], 0)            = 0
[pid 15765] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15765] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15765] sync()                      = 0
[pid 15765] exit_group(0)               = ?
[pid 15765] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15765, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15766 attached
, child_tidptr=0x555555bcb690) = 15766
[pid 15766] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15766] setpgid(0, 0)               = 0
[pid 15766] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15766] write(3, "1000", 4)         = 4
[pid 15766] close(3)                    = 0
[pid 15766] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15766] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15766] pipe2([3, 4], 0)            = 0
[pid 15766] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15766] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15766] sync()                      = 0
[pid 15766] exit_group(0)               = ?
[pid 15766] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15766, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15767 attached
, child_tidptr=0x555555bcb690) = 15767
[pid 15767] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15767] setpgid(0, 0)               = 0
[pid 15767] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15767] write(3, "1000", 4)         = 4
[pid 15767] close(3)                    = 0
[pid 15767] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15767] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15767] pipe2([3, 4], 0)            = 0
[pid 15767] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15767] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15767] sync()                      = 0
[pid 15767] exit_group(0)               = ?
[pid 15767] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15767, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15768 attached
, child_tidptr=0x555555bcb690) = 15768
[pid 15768] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15768] setpgid(0, 0)               = 0
[pid 15768] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15768] write(3, "1000", 4)         = 4
[pid 15768] close(3)                    = 0
[pid 15768] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15768] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15768] pipe2([3, 4], 0)            = 0
[pid 15768] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15768] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15768] sync()                      = 0
[pid 15768] exit_group(0)               = ?
[pid 15768] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15768, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15769
./strace-static-x86_64: Process 15769 attached
[pid 15769] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15769] setpgid(0, 0)               = 0
[pid 15769] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15769] write(3, "1000", 4)         = 4
[pid 15769] close(3)                    = 0
[pid 15769] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15769] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15769] pipe2([3, 4], 0)            = 0
[pid 15769] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15769] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15769] sync()                      = 0
[pid 15769] exit_group(0)               = ?
[pid 15769] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15769, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15770
./strace-static-x86_64: Process 15770 attached
[pid 15770] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15770] setpgid(0, 0)               = 0
[pid 15770] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15770] write(3, "1000", 4)         = 4
[pid 15770] close(3)                    = 0
[pid 15770] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15770] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15770] pipe2([3, 4], 0)            = 0
[pid 15770] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15770] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15770] sync()                      = 0
[pid 15770] exit_group(0)               = ?
[pid 15770] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15770, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15771
./strace-static-x86_64: Process 15771 attached
[pid 15771] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15771] setpgid(0, 0)               = 0
[pid 15771] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15771] write(3, "1000", 4)         = 4
[pid 15771] close(3)                    = 0
[pid 15771] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15771] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15771] pipe2([3, 4], 0)            = 0
[pid 15771] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15771] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15771] sync()                      = 0
[pid 15771] exit_group(0)               = ?
[pid 15771] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15771, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15772
./strace-static-x86_64: Process 15772 attached
[pid 15772] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15772] setpgid(0, 0)               = 0
[pid 15772] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15772] write(3, "1000", 4)         = 4
[pid 15772] close(3)                    = 0
[pid 15772] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15772] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15772] pipe2([3, 4], 0)            = 0
[pid 15772] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15772] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15772] sync()                      = 0
[pid 15772] exit_group(0)               = ?
[pid 15772] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15772, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15773
./strace-static-x86_64: Process 15773 attached
[pid 15773] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15773] setpgid(0, 0)               = 0
[pid 15773] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15773] write(3, "1000", 4)         = 4
[pid 15773] close(3)                    = 0
[pid 15773] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15773] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15773] pipe2([3, 4], 0)            = 0
[pid 15773] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15773] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15773] sync()                      = 0
[pid 15773] exit_group(0)               = ?
[pid 15773] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15773, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15774 attached
, child_tidptr=0x555555bcb690) = 15774
[pid 15774] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15774] setpgid(0, 0)               = 0
[pid 15774] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15774] write(3, "1000", 4)         = 4
[pid 15774] close(3)                    = 0
[pid 15774] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15774] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15774] pipe2([3, 4], 0)            = 0
[pid 15774] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15774] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15774] sync()                      = 0
[pid 15774] exit_group(0)               = ?
[pid 15774] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15774, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15775
./strace-static-x86_64: Process 15775 attached
[pid 15775] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15775] setpgid(0, 0)               = 0
[pid 15775] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15775] write(3, "1000", 4)         = 4
[pid 15775] close(3)                    = 0
[pid 15775] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15775] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15775] pipe2([3, 4], 0)            = 0
[pid 15775] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15775] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15775] sync()                      = 0
[pid 15775] exit_group(0)               = ?
[pid 15775] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15775, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15776 attached
, child_tidptr=0x555555bcb690) = 15776
[pid 15776] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15776] setpgid(0, 0)               = 0
[pid 15776] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15776] write(3, "1000", 4)         = 4
[pid 15776] close(3)                    = 0
[pid 15776] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15776] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15776] pipe2([3, 4], 0)            = 0
[pid 15776] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15776] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15776] sync()                      = 0
[pid 15776] exit_group(0)               = ?
[pid 15776] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15776, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15777 attached
, child_tidptr=0x555555bcb690) = 15777
[pid 15777] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15777] setpgid(0, 0)               = 0
[pid 15777] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15777] write(3, "1000", 4)         = 4
[pid 15777] close(3)                    = 0
[pid 15777] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15777] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15777] pipe2([3, 4], 0)            = 0
[pid 15777] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15777] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15777] sync()                      = 0
[pid 15777] exit_group(0)               = ?
[pid 15777] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15777, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15778 attached
, child_tidptr=0x555555bcb690) = 15778
[pid 15778] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15778] setpgid(0, 0)               = 0
[pid 15778] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15778] write(3, "1000", 4)         = 4
[pid 15778] close(3)                    = 0
[pid 15778] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15778] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15778] pipe2([3, 4], 0)            = 0
[pid 15778] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15778] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15778] sync()                      = 0
[pid 15778] exit_group(0)               = ?
[pid 15778] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15778, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15779 attached
, child_tidptr=0x555555bcb690) = 15779
[pid 15779] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15779] setpgid(0, 0)               = 0
[pid 15779] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15779] write(3, "1000", 4)         = 4
[pid 15779] close(3)                    = 0
[pid 15779] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15779] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15779] pipe2([3, 4], 0)            = 0
[pid 15779] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15779] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15779] sync()                      = 0
[pid 15779] exit_group(0)               = ?
[pid 15779] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15779, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15780 attached
, child_tidptr=0x555555bcb690) = 15780
[pid 15780] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15780] setpgid(0, 0)               = 0
[pid 15780] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15780] write(3, "1000", 4)         = 4
[pid 15780] close(3)                    = 0
[pid 15780] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15780] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15780] pipe2([3, 4], 0)            = 0
[pid 15780] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15780] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15780] sync()                      = 0
[pid 15780] exit_group(0)               = ?
[pid 15780] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15780, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15781
./strace-static-x86_64: Process 15781 attached
[pid 15781] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15781] setpgid(0, 0)               = 0
[pid 15781] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15781] write(3, "1000", 4)         = 4
[pid 15781] close(3)                    = 0
[pid 15781] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15781] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15781] pipe2([3, 4], 0)            = 0
[pid 15781] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15781] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15781] sync()                      = 0
[pid 15781] exit_group(0)               = ?
[pid 15781] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15781, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15782 attached
, child_tidptr=0x555555bcb690) = 15782
[pid 15782] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15782] setpgid(0, 0)               = 0
[pid 15782] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15782] write(3, "1000", 4)         = 4
[pid 15782] close(3)                    = 0
[pid 15782] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15782] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15782] pipe2([3, 4], 0)            = 0
[pid 15782] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15782] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15782] sync()                      = 0
[pid 15782] exit_group(0)               = ?
[pid 15782] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15782, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15783 attached
, child_tidptr=0x555555bcb690) = 15783
[pid 15783] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15783] setpgid(0, 0)               = 0
[pid 15783] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15783] write(3, "1000", 4)         = 4
[pid 15783] close(3)                    = 0
[pid 15783] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15783] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15783] pipe2([3, 4], 0)            = 0
[pid 15783] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15783] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15783] sync()                      = 0
[pid 15783] exit_group(0)               = ?
[pid 15783] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15783, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15784 attached
, child_tidptr=0x555555bcb690) = 15784
[pid 15784] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15784] setpgid(0, 0)               = 0
[pid 15784] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15784] write(3, "1000", 4)         = 4
[pid 15784] close(3)                    = 0
[pid 15784] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15784] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15784] pipe2([3, 4], 0)            = 0
[pid 15784] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15784] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15784] sync()                      = 0
[pid 15784] exit_group(0)               = ?
[pid 15784] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15784, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15785 attached
, child_tidptr=0x555555bcb690) = 15785
[pid 15785] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15785] setpgid(0, 0)               = 0
[pid 15785] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15785] write(3, "1000", 4)         = 4
[pid 15785] close(3)                    = 0
[pid 15785] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15785] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15785] pipe2([3, 4], 0)            = 0
[pid 15785] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15785] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15785] sync()                      = 0
[pid 15785] exit_group(0)               = ?
[pid 15785] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15785, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15786 attached
, child_tidptr=0x555555bcb690) = 15786
[pid 15786] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15786] setpgid(0, 0)               = 0
[pid 15786] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15786] write(3, "1000", 4)         = 4
[pid 15786] close(3)                    = 0
[pid 15786] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15786] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15786] pipe2([3, 4], 0)            = 0
[pid 15786] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15786] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15786] sync()                      = 0
[pid 15786] exit_group(0)               = ?
[pid 15786] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15786, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15787 attached
, child_tidptr=0x555555bcb690) = 15787
[pid 15787] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15787] setpgid(0, 0)               = 0
[pid 15787] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15787] write(3, "1000", 4)         = 4
[pid 15787] close(3)                    = 0
[pid 15787] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15787] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15787] pipe2([3, 4], 0)            = 0
[pid 15787] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15787] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15787] sync()                      = 0
[pid 15787] exit_group(0)               = ?
[pid 15787] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15787, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15789
./strace-static-x86_64: Process 15789 attached
[pid 15789] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15789] setpgid(0, 0)               = 0
[pid 15789] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15789] write(3, "1000", 4)         = 4
[pid 15789] close(3)                    = 0
[pid 15789] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15789] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15789] pipe2([3, 4], 0)            = 0
[pid 15789] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15789] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15789] sync()                      = 0
[pid 15789] exit_group(0)               = ?
[pid 15789] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15789, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15790
./strace-static-x86_64: Process 15790 attached
[pid 15790] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15790] setpgid(0, 0)               = 0
[pid 15790] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15790] write(3, "1000", 4)         = 4
[pid 15790] close(3)                    = 0
[pid 15790] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15790] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15790] pipe2([3, 4], 0)            = 0
[pid 15790] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15790] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15790] sync()                      = 0
[pid 15790] exit_group(0)               = ?
[pid 15790] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15790, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15791
./strace-static-x86_64: Process 15791 attached
[pid 15791] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15791] setpgid(0, 0)               = 0
[pid 15791] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15791] write(3, "1000", 4)         = 4
[pid 15791] close(3)                    = 0
[pid 15791] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15791] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15791] pipe2([3, 4], 0)            = 0
[pid 15791] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15791] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15791] sync()                      = 0
[pid 15791] exit_group(0)               = ?
[pid 15791] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15791, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15792 attached
, child_tidptr=0x555555bcb690) = 15792
[pid 15792] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15792] setpgid(0, 0)               = 0
[pid 15792] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15792] write(3, "1000", 4)         = 4
[pid 15792] close(3)                    = 0
[pid 15792] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15792] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15792] pipe2([3, 4], 0)            = 0
[pid 15792] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15792] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15792] sync()                      = 0
[pid 15792] exit_group(0)               = ?
[pid 15792] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15792, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15793
./strace-static-x86_64: Process 15793 attached
[pid 15793] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15793] setpgid(0, 0)               = 0
[pid 15793] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15793] write(3, "1000", 4)         = 4
[pid 15793] close(3)                    = 0
[pid 15793] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15793] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15793] pipe2([3, 4], 0)            = 0
[pid 15793] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15793] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15793] sync()                      = 0
[pid 15793] exit_group(0)               = ?
[pid 15793] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15793, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15794 attached
, child_tidptr=0x555555bcb690) = 15794
[pid 15794] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15794] setpgid(0, 0)               = 0
[pid 15794] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15794] write(3, "1000", 4)         = 4
[pid 15794] close(3)                    = 0
[pid 15794] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15794] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15794] pipe2([3, 4], 0)            = 0
[pid 15794] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15794] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15794] sync()                      = 0
[pid 15794] exit_group(0)               = ?
[pid 15794] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15794, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15795 attached
, child_tidptr=0x555555bcb690) = 15795
[pid 15795] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15795] setpgid(0, 0)               = 0
[pid 15795] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15795] write(3, "1000", 4)         = 4
[pid 15795] close(3)                    = 0
[pid 15795] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15795] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15795] pipe2([3, 4], 0)            = 0
[pid 15795] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15795] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15795] sync()                      = 0
[pid 15795] exit_group(0)               = ?
[pid 15795] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15795, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15796
./strace-static-x86_64: Process 15796 attached
[pid 15796] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15796] setpgid(0, 0)               = 0
[pid 15796] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15796] write(3, "1000", 4)         = 4
[pid 15796] close(3)                    = 0
[pid 15796] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15796] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15796] pipe2([3, 4], 0)            = 0
[pid 15796] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15796] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15796] sync()                      = 0
[pid 15796] exit_group(0)               = ?
[pid 15796] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15796, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15797 attached
, child_tidptr=0x555555bcb690) = 15797
[pid 15797] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15797] setpgid(0, 0)               = 0
[pid 15797] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15797] write(3, "1000", 4)         = 4
[pid 15797] close(3)                    = 0
[pid 15797] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15797] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15797] pipe2([3, 4], 0)            = 0
[pid 15797] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15797] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15797] sync()                      = 0
[pid 15797] exit_group(0)               = ?
[pid 15797] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15797, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15798 attached
, child_tidptr=0x555555bcb690) = 15798
[pid 15798] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15798] setpgid(0, 0)               = 0
[pid 15798] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15798] write(3, "1000", 4)         = 4
[pid 15798] close(3)                    = 0
[pid 15798] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15798] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15798] pipe2([3, 4], 0)            = 0
[pid 15798] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15798] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15798] sync()                      = 0
[pid 15798] exit_group(0)               = ?
[pid 15798] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15798, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15799 attached
, child_tidptr=0x555555bcb690) = 15799
[pid 15799] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15799] setpgid(0, 0)               = 0
[pid 15799] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15799] write(3, "1000", 4)         = 4
[pid 15799] close(3)                    = 0
[pid 15799] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15799] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15799] pipe2([3, 4], 0)            = 0
[pid 15799] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15799] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15799] sync()                      = 0
[pid 15799] exit_group(0)               = ?
[pid 15799] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15799, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15800 attached
, child_tidptr=0x555555bcb690) = 15800
[pid 15800] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15800] setpgid(0, 0)               = 0
[pid 15800] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15800] write(3, "1000", 4)         = 4
[pid 15800] close(3)                    = 0
[pid 15800] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15800] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15800] pipe2([3, 4], 0)            = 0
[pid 15800] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15800] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15800] sync()                      = 0
[pid 15800] exit_group(0)               = ?
[pid 15800] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15800, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15801 attached
, child_tidptr=0x555555bcb690) = 15801
[pid 15801] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15801] setpgid(0, 0)               = 0
[pid 15801] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15801] write(3, "1000", 4)         = 4
[pid 15801] close(3)                    = 0
[pid 15801] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15801] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15801] pipe2([3, 4], 0)            = 0
[pid 15801] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15801] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15801] sync()                      = 0
[pid 15801] exit_group(0)               = ?
[pid 15801] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15801, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15802 attached
, child_tidptr=0x555555bcb690) = 15802
[pid 15802] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15802] setpgid(0, 0)               = 0
[pid 15802] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15802] write(3, "1000", 4)         = 4
[pid 15802] close(3)                    = 0
[pid 15802] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15802] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15802] pipe2([3, 4], 0)            = 0
[pid 15802] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15802] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15802] sync()                      = 0
[pid 15802] exit_group(0)               = ?
[pid 15802] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15802, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15803
./strace-static-x86_64: Process 15803 attached
[pid 15803] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15803] setpgid(0, 0)               = 0
[pid 15803] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15803] write(3, "1000", 4)         = 4
[pid 15803] close(3)                    = 0
[pid 15803] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15803] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15803] pipe2([3, 4], 0)            = 0
[pid 15803] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15803] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15803] sync()                      = 0
[pid 15803] exit_group(0)               = ?
[pid 15803] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15803, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15804 attached
, child_tidptr=0x555555bcb690) = 15804
[pid 15804] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15804] setpgid(0, 0)               = 0
[pid 15804] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15804] write(3, "1000", 4)         = 4
[pid 15804] close(3)                    = 0
[pid 15804] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15804] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15804] pipe2([3, 4], 0)            = 0
[pid 15804] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15804] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15804] sync()                      = 0
[pid 15804] exit_group(0)               = ?
[pid 15804] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15804, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15805 attached
, child_tidptr=0x555555bcb690) = 15805
[pid 15805] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15805] setpgid(0, 0)               = 0
[pid 15805] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15805] write(3, "1000", 4)         = 4
[pid 15805] close(3)                    = 0
[pid 15805] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15805] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15805] pipe2([3, 4], 0)            = 0
[pid 15805] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15805] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15805] sync()                      = 0
[pid 15805] exit_group(0)               = ?
[pid 15805] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15805, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15806 attached
, child_tidptr=0x555555bcb690) = 15806
[pid 15806] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15806] setpgid(0, 0)               = 0
[pid 15806] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15806] write(3, "1000", 4)         = 4
[pid 15806] close(3)                    = 0
[pid 15806] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15806] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15806] pipe2([3, 4], 0)            = 0
[pid 15806] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15806] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15806] sync()                      = 0
[pid 15806] exit_group(0)               = ?
[pid 15806] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15806, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15807 attached
, child_tidptr=0x555555bcb690) = 15807
[pid 15807] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15807] setpgid(0, 0)               = 0
[pid 15807] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15807] write(3, "1000", 4)         = 4
[pid 15807] close(3)                    = 0
[pid 15807] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15807] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15807] pipe2([3, 4], 0)            = 0
[pid 15807] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15807] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15807] sync()                      = 0
[pid 15807] exit_group(0)               = ?
[pid 15807] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15807, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15808 attached
, child_tidptr=0x555555bcb690) = 15808
[pid 15808] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15808] setpgid(0, 0)               = 0
[pid 15808] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15808] write(3, "1000", 4)         = 4
[pid 15808] close(3)                    = 0
[pid 15808] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15808] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15808] pipe2([3, 4], 0)            = 0
[pid 15808] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15808] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15808] sync()                      = 0
[pid 15808] exit_group(0)               = ?
[pid 15808] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15808, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15809 attached
, child_tidptr=0x555555bcb690) = 15809
[pid 15809] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15809] setpgid(0, 0)               = 0
[pid 15809] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15809] write(3, "1000", 4)         = 4
[pid 15809] close(3)                    = 0
[pid 15809] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15809] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15809] pipe2([3, 4], 0)            = 0
[pid 15809] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15809] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15809] sync()                      = 0
[pid 15809] exit_group(0)               = ?
[pid 15809] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15809, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15810
./strace-static-x86_64: Process 15810 attached
[pid 15810] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15810] setpgid(0, 0)               = 0
[pid 15810] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15810] write(3, "1000", 4)         = 4
[pid 15810] close(3)                    = 0
[pid 15810] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15810] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15810] pipe2([3, 4], 0)            = 0
[pid 15810] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15810] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15810] sync()                      = 0
[pid 15810] exit_group(0)               = ?
[pid 15810] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15810, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15811
./strace-static-x86_64: Process 15811 attached
[pid 15811] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15811] setpgid(0, 0)               = 0
[pid 15811] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15811] write(3, "1000", 4)         = 4
[pid 15811] close(3)                    = 0
[pid 15811] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15811] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15811] pipe2([3, 4], 0)            = 0
[pid 15811] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15811] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15811] sync()                      = 0
[pid 15811] exit_group(0)               = ?
[pid 15811] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15811, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15812
./strace-static-x86_64: Process 15812 attached
[pid 15812] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15812] setpgid(0, 0)               = 0
[pid 15812] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15812] write(3, "1000", 4)         = 4
[pid 15812] close(3)                    = 0
[pid 15812] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15812] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15812] pipe2([3, 4], 0)            = 0
[pid 15812] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15812] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15812] sync()                      = 0
[pid 15812] exit_group(0)               = ?
[pid 15812] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15812, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15813
./strace-static-x86_64: Process 15813 attached
[pid 15813] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15813] setpgid(0, 0)               = 0
[pid 15813] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15813] write(3, "1000", 4)         = 4
[pid 15813] close(3)                    = 0
[pid 15813] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15813] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15813] pipe2([3, 4], 0)            = 0
[pid 15813] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15813] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15813] sync()                      = 0
[pid 15813] exit_group(0)               = ?
[pid 15813] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15813, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15814 attached
, child_tidptr=0x555555bcb690) = 15814
[pid 15814] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15814] setpgid(0, 0)               = 0
[pid 15814] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15814] write(3, "1000", 4)         = 4
[pid 15814] close(3)                    = 0
[pid 15814] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15814] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15814] pipe2([3, 4], 0)            = 0
[pid 15814] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15814] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15814] sync()                      = 0
[pid 15814] exit_group(0)               = ?
[pid 15814] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15814, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15815 attached
, child_tidptr=0x555555bcb690) = 15815
[pid 15815] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15815] setpgid(0, 0)               = 0
[pid 15815] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15815] write(3, "1000", 4)         = 4
[pid 15815] close(3)                    = 0
[pid 15815] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15815] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15815] pipe2([3, 4], 0)            = 0
[pid 15815] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15815] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15815] sync()                      = 0
[pid 15815] exit_group(0)               = ?
[pid 15815] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15815, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15816 attached
, child_tidptr=0x555555bcb690) = 15816
[pid 15816] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15816] setpgid(0, 0)               = 0
[pid 15816] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15816] write(3, "1000", 4)         = 4
[pid 15816] close(3)                    = 0
[pid 15816] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15816] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15816] pipe2([3, 4], 0)            = 0
[pid 15816] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15816] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15816] sync()                      = 0
[pid 15816] exit_group(0)               = ?
[pid 15816] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15816, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15817 attached
, child_tidptr=0x555555bcb690) = 15817
[pid 15817] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15817] setpgid(0, 0)               = 0
[pid 15817] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15817] write(3, "1000", 4)         = 4
[pid 15817] close(3)                    = 0
[pid 15817] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15817] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15817] pipe2([3, 4], 0)            = 0
[pid 15817] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15817] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15817] sync()                      = 0
[pid 15817] exit_group(0)               = ?
[pid 15817] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15817, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15818 attached
, child_tidptr=0x555555bcb690) = 15818
[pid 15818] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15818] setpgid(0, 0)               = 0
[pid 15818] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15818] write(3, "1000", 4)         = 4
[pid 15818] close(3)                    = 0
[pid 15818] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15818] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15818] pipe2([3, 4], 0)            = 0
[pid 15818] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15818] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15818] sync()                      = 0
[pid 15818] exit_group(0)               = ?
[pid 15818] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15818, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15819
./strace-static-x86_64: Process 15819 attached
[pid 15819] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15819] setpgid(0, 0)               = 0
[pid 15819] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15819] write(3, "1000", 4)         = 4
[pid 15819] close(3)                    = 0
[pid 15819] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15819] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15819] pipe2([3, 4], 0)            = 0
[pid 15819] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15819] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15819] sync()                      = 0
[pid 15819] exit_group(0)               = ?
[pid 15819] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15819, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15820
./strace-static-x86_64: Process 15820 attached
[pid 15820] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15820] setpgid(0, 0)               = 0
[pid 15820] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15820] write(3, "1000", 4)         = 4
[pid 15820] close(3)                    = 0
[pid 15820] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15820] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15820] pipe2([3, 4], 0)            = 0
[pid 15820] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15820] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15820] sync()                      = 0
[pid 15820] exit_group(0)               = ?
[pid 15820] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15820, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15821
./strace-static-x86_64: Process 15821 attached
[pid 15821] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15821] setpgid(0, 0)               = 0
[pid 15821] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15821] write(3, "1000", 4)         = 4
[pid 15821] close(3)                    = 0
[pid 15821] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15821] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15821] pipe2([3, 4], 0)            = 0
[pid 15821] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15821] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15821] sync()                      = 0
[pid 15821] exit_group(0)               = ?
[pid 15821] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15821, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15822 attached
, child_tidptr=0x555555bcb690) = 15822
[pid 15822] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15822] setpgid(0, 0)               = 0
[pid 15822] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15822] write(3, "1000", 4)         = 4
[pid 15822] close(3)                    = 0
[pid 15822] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15822] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15822] pipe2([3, 4], 0)            = 0
[pid 15822] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15822] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15822] sync()                      = 0
[pid 15822] exit_group(0)               = ?
[pid 15822] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15822, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15823 attached
, child_tidptr=0x555555bcb690) = 15823
[pid 15823] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15823] setpgid(0, 0)               = 0
[pid 15823] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15823] write(3, "1000", 4)         = 4
[pid 15823] close(3)                    = 0
[pid 15823] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15823] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15823] pipe2([3, 4], 0)            = 0
[pid 15823] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15823] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15823] sync()                      = 0
[pid 15823] exit_group(0)               = ?
[pid 15823] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15823, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15824 attached
, child_tidptr=0x555555bcb690) = 15824
[pid 15824] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15824] setpgid(0, 0)               = 0
[pid 15824] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15824] write(3, "1000", 4)         = 4
[pid 15824] close(3)                    = 0
[pid 15824] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15824] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15824] pipe2([3, 4], 0)            = 0
[pid 15824] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15824] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15824] sync()                      = 0
[pid 15824] exit_group(0)               = ?
[pid 15824] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15824, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15825
./strace-static-x86_64: Process 15825 attached
[pid 15825] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15825] setpgid(0, 0)               = 0
[pid 15825] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15825] write(3, "1000", 4)         = 4
[pid 15825] close(3)                    = 0
[pid 15825] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15825] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15825] pipe2([3, 4], 0)            = 0
[pid 15825] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15825] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15825] sync()                      = 0
[pid 15825] exit_group(0)               = ?
[pid 15825] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15825, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15826 attached
, child_tidptr=0x555555bcb690) = 15826
[pid 15826] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15826] setpgid(0, 0)               = 0
[pid 15826] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15826] write(3, "1000", 4)         = 4
[pid 15826] close(3)                    = 0
[pid 15826] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15826] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15826] pipe2([3, 4], 0)            = 0
[pid 15826] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15826] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15826] sync()                      = 0
[pid 15826] exit_group(0)               = ?
[pid 15826] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15826, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15827 attached
, child_tidptr=0x555555bcb690) = 15827
[pid 15827] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15827] setpgid(0, 0)               = 0
[pid 15827] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15827] write(3, "1000", 4)         = 4
[pid 15827] close(3)                    = 0
[pid 15827] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15827] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15827] pipe2([3, 4], 0)            = 0
[pid 15827] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15827] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15827] sync()                      = 0
[pid 15827] exit_group(0)               = ?
[pid 15827] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15827, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15828
./strace-static-x86_64: Process 15828 attached
[pid 15828] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15828] setpgid(0, 0)               = 0
[pid 15828] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15828] write(3, "1000", 4)         = 4
[pid 15828] close(3)                    = 0
[pid 15828] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15828] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15828] pipe2([3, 4], 0)            = 0
[pid 15828] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15828] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15828] sync()                      = 0
[pid 15828] exit_group(0)               = ?
[pid 15828] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15828, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15829
./strace-static-x86_64: Process 15829 attached
[pid 15829] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15829] setpgid(0, 0)               = 0
[pid 15829] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15829] write(3, "1000", 4)         = 4
[pid 15829] close(3)                    = 0
[pid 15829] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15829] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15829] pipe2([3, 4], 0)            = 0
[pid 15829] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15829] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15829] sync()                      = 0
[pid 15829] exit_group(0)               = ?
[pid 15829] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15829, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15830 attached
, child_tidptr=0x555555bcb690) = 15830
[pid 15830] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15830] setpgid(0, 0)               = 0
[pid 15830] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15830] write(3, "1000", 4)         = 4
[pid 15830] close(3)                    = 0
[pid 15830] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15830] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15830] pipe2([3, 4], 0)            = 0
[pid 15830] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15830] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15830] sync()                      = 0
[pid 15830] exit_group(0)               = ?
[pid 15830] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15830, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15831 attached
, child_tidptr=0x555555bcb690) = 15831
[pid 15831] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15831] setpgid(0, 0)               = 0
[pid 15831] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15831] write(3, "1000", 4)         = 4
[pid 15831] close(3)                    = 0
[pid 15831] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15831] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15831] pipe2([3, 4], 0)            = 0
[pid 15831] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15831] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15831] sync()                      = 0
[pid 15831] exit_group(0)               = ?
[pid 15831] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15831, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15832 attached
, child_tidptr=0x555555bcb690) = 15832
[pid 15832] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15832] setpgid(0, 0)               = 0
[pid 15832] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15832] write(3, "1000", 4)         = 4
[pid 15832] close(3)                    = 0
[pid 15832] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15832] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15832] pipe2([3, 4], 0)            = 0
[pid 15832] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15832] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15832] sync()                      = 0
[pid 15832] exit_group(0)               = ?
[pid 15832] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15832, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15833 attached
, child_tidptr=0x555555bcb690) = 15833
[pid 15833] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15833] setpgid(0, 0)               = 0
[pid 15833] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15833] write(3, "1000", 4)         = 4
[pid 15833] close(3)                    = 0
[pid 15833] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15833] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15833] pipe2([3, 4], 0)            = 0
[pid 15833] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15833] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15833] sync()                      = 0
[pid 15833] exit_group(0)               = ?
[pid 15833] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15833, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15834 attached
, child_tidptr=0x555555bcb690) = 15834
[pid 15834] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15834] setpgid(0, 0)               = 0
[pid 15834] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15834] write(3, "1000", 4)         = 4
[pid 15834] close(3)                    = 0
[pid 15834] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15834] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15834] pipe2([3, 4], 0)            = 0
[pid 15834] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15834] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15834] sync()                      = 0
[pid 15834] exit_group(0)               = ?
[pid 15834] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15834, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15835 attached
, child_tidptr=0x555555bcb690) = 15835
[pid 15835] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15835] setpgid(0, 0)               = 0
[pid 15835] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15835] write(3, "1000", 4)         = 4
[pid 15835] close(3)                    = 0
[pid 15835] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15835] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15835] pipe2([3, 4], 0)            = 0
[pid 15835] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15835] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15835] sync()                      = 0
[pid 15835] exit_group(0)               = ?
[pid 15835] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15835, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15836 attached
, child_tidptr=0x555555bcb690) = 15836
[pid 15836] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15836] setpgid(0, 0)               = 0
[pid 15836] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15836] write(3, "1000", 4)         = 4
[pid 15836] close(3)                    = 0
[pid 15836] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15836] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15836] pipe2([3, 4], 0)            = 0
[pid 15836] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15836] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15836] sync()                      = 0
[pid 15836] exit_group(0)               = ?
[pid 15836] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15836, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15837 attached
, child_tidptr=0x555555bcb690) = 15837
[pid 15837] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15837] setpgid(0, 0)               = 0
[pid 15837] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15837] write(3, "1000", 4)         = 4
[pid 15837] close(3)                    = 0
[pid 15837] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15837] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15837] pipe2([3, 4], 0)            = 0
[pid 15837] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15837] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15837] sync()                      = 0
[pid 15837] exit_group(0)               = ?
[pid 15837] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15837, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15838
./strace-static-x86_64: Process 15838 attached
[pid 15838] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15838] setpgid(0, 0)               = 0
[pid 15838] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15838] write(3, "1000", 4)         = 4
[pid 15838] close(3)                    = 0
[pid 15838] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15838] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15838] pipe2([3, 4], 0)            = 0
[pid 15838] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15838] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15838] sync()                      = 0
[pid 15838] exit_group(0)               = ?
[pid 15838] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15838, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15839 attached
, child_tidptr=0x555555bcb690) = 15839
[pid 15839] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15839] setpgid(0, 0)               = 0
[pid 15839] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15839] write(3, "1000", 4)         = 4
[pid 15839] close(3)                    = 0
[pid 15839] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15839] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15839] pipe2([3, 4], 0)            = 0
[pid 15839] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15839] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15839] sync()                      = 0
[pid 15839] exit_group(0)               = ?
[pid 15839] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15839, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15840 attached
, child_tidptr=0x555555bcb690) = 15840
[pid 15840] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15840] setpgid(0, 0)               = 0
[pid 15840] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15840] write(3, "1000", 4)         = 4
[pid 15840] close(3)                    = 0
[pid 15840] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15840] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15840] pipe2([3, 4], 0)            = 0
[pid 15840] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15840] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15840] sync()                      = 0
[pid 15840] exit_group(0)               = ?
[pid 15840] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15840, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15841
./strace-static-x86_64: Process 15841 attached
[pid 15841] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15841] setpgid(0, 0)               = 0
[pid 15841] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15841] write(3, "1000", 4)         = 4
[pid 15841] close(3)                    = 0
[pid 15841] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15841] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15841] pipe2([3, 4], 0)            = 0
[pid 15841] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15841] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15841] sync()                      = 0
[pid 15841] exit_group(0)               = ?
[pid 15841] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15841, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15842 attached
, child_tidptr=0x555555bcb690) = 15842
[pid 15842] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15842] setpgid(0, 0)               = 0
[pid 15842] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15842] write(3, "1000", 4)         = 4
[pid 15842] close(3)                    = 0
[pid 15842] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15842] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15842] pipe2([3, 4], 0)            = 0
[pid 15842] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15842] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15842] sync()                      = 0
[pid 15842] exit_group(0)               = ?
[pid 15842] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15842, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15843 attached
, child_tidptr=0x555555bcb690) = 15843
[pid 15843] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15843] setpgid(0, 0)               = 0
[pid 15843] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15843] write(3, "1000", 4)         = 4
[pid 15843] close(3)                    = 0
[pid 15843] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15843] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15843] pipe2([3, 4], 0)            = 0
[pid 15843] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15843] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15843] sync()                      = 0
[pid 15843] exit_group(0)               = ?
[pid 15843] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15843, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15844 attached
, child_tidptr=0x555555bcb690) = 15844
[pid 15844] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15844] setpgid(0, 0)               = 0
[pid 15844] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15844] write(3, "1000", 4)         = 4
[pid 15844] close(3)                    = 0
[pid 15844] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15844] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15844] pipe2([3, 4], 0)            = 0
[pid 15844] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15844] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15844] sync()                      = 0
[pid 15844] exit_group(0)               = ?
[pid 15844] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15844, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15845
./strace-static-x86_64: Process 15845 attached
[pid 15845] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15845] setpgid(0, 0)               = 0
[pid 15845] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15845] write(3, "1000", 4)         = 4
[pid 15845] close(3)                    = 0
[pid 15845] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15845] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15845] pipe2([3, 4], 0)            = 0
[pid 15845] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15845] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15845] sync()                      = 0
[pid 15845] exit_group(0)               = ?
[pid 15845] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15845, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15846 attached
, child_tidptr=0x555555bcb690) = 15846
[pid 15846] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15846] setpgid(0, 0)               = 0
[pid 15846] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15846] write(3, "1000", 4)         = 4
[pid 15846] close(3)                    = 0
[pid 15846] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15846] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15846] pipe2([3, 4], 0)            = 0
[pid 15846] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15846] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15846] sync()                      = 0
[pid 15846] exit_group(0)               = ?
[pid 15846] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15846, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15847 attached
, child_tidptr=0x555555bcb690) = 15847
[pid 15847] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15847] setpgid(0, 0)               = 0
[pid 15847] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15847] write(3, "1000", 4)         = 4
[pid 15847] close(3)                    = 0
[pid 15847] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15847] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15847] pipe2([3, 4], 0)            = 0
[pid 15847] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15847] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15847] sync()                      = 0
[pid 15847] exit_group(0)               = ?
[pid 15847] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15847, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15848 attached
, child_tidptr=0x555555bcb690) = 15848
[pid 15848] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15848] setpgid(0, 0)               = 0
[pid 15848] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15848] write(3, "1000", 4)         = 4
[pid 15848] close(3)                    = 0
[pid 15848] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15848] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15848] pipe2([3, 4], 0)            = 0
[pid 15848] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15848] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15848] sync()                      = 0
[pid 15848] exit_group(0)               = ?
[pid 15848] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15848, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15849
./strace-static-x86_64: Process 15849 attached
[pid 15849] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15849] setpgid(0, 0)               = 0
[pid 15849] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15849] write(3, "1000", 4)         = 4
[pid 15849] close(3)                    = 0
[pid 15849] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15849] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15849] pipe2([3, 4], 0)            = 0
[pid 15849] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15849] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15849] sync()                      = 0
[pid 15849] exit_group(0)               = ?
[pid 15849] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15849, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15850 attached
, child_tidptr=0x555555bcb690) = 15850
[pid 15850] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15850] setpgid(0, 0)               = 0
[pid 15850] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15850] write(3, "1000", 4)         = 4
[pid 15850] close(3)                    = 0
[pid 15850] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15850] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15850] pipe2([3, 4], 0)            = 0
[pid 15850] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15850] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15850] sync()                      = 0
[pid 15850] exit_group(0)               = ?
[pid 15850] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15850, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15851 attached
, child_tidptr=0x555555bcb690) = 15851
[pid 15851] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15851] setpgid(0, 0)               = 0
[pid 15851] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15851] write(3, "1000", 4)         = 4
[pid 15851] close(3)                    = 0
[pid 15851] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15851] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15851] pipe2([3, 4], 0)            = 0
[pid 15851] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15851] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15851] sync()                      = 0
[pid 15851] exit_group(0)               = ?
[pid 15851] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15851, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15852
./strace-static-x86_64: Process 15852 attached
[pid 15852] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15852] setpgid(0, 0)               = 0
[pid 15852] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15852] write(3, "1000", 4)         = 4
[pid 15852] close(3)                    = 0
[pid 15852] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15852] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15852] pipe2([3, 4], 0)            = 0
[pid 15852] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15852] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15852] sync()                      = 0
[pid 15852] exit_group(0)               = ?
[pid 15852] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15852, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15853 attached
, child_tidptr=0x555555bcb690) = 15853
[pid 15853] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15853] setpgid(0, 0)               = 0
[pid 15853] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15853] write(3, "1000", 4)         = 4
[pid 15853] close(3)                    = 0
[pid 15853] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15853] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15853] pipe2([3, 4], 0)            = 0
[pid 15853] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15853] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15853] sync()                      = 0
[pid 15853] exit_group(0)               = ?
[pid 15853] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15853, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15854 attached
, child_tidptr=0x555555bcb690) = 15854
[pid 15854] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15854] setpgid(0, 0)               = 0
[pid 15854] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15854] write(3, "1000", 4)         = 4
[pid 15854] close(3)                    = 0
[pid 15854] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15854] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15854] pipe2([3, 4], 0)            = 0
[pid 15854] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15854] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15854] sync()                      = 0
[pid 15854] exit_group(0)               = ?
[pid 15854] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15854, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15855
./strace-static-x86_64: Process 15855 attached
[pid 15855] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15855] setpgid(0, 0)               = 0
[pid 15855] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15855] write(3, "1000", 4)         = 4
[pid 15855] close(3)                    = 0
[pid 15855] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15855] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15855] pipe2([3, 4], 0)            = 0
[pid 15855] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15855] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15855] sync()                      = 0
[pid 15855] exit_group(0)               = ?
[pid 15855] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15855, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15856
./strace-static-x86_64: Process 15856 attached
[pid 15856] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15856] setpgid(0, 0)               = 0
[pid 15856] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15856] write(3, "1000", 4)         = 4
[pid 15856] close(3)                    = 0
[pid 15856] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15856] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15856] pipe2([3, 4], 0)            = 0
[pid 15856] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15856] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15856] sync()                      = 0
[pid 15856] exit_group(0)               = ?
[pid 15856] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15856, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15857
./strace-static-x86_64: Process 15857 attached
[pid 15857] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15857] setpgid(0, 0)               = 0
[pid 15857] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15857] write(3, "1000", 4)         = 4
[pid 15857] close(3)                    = 0
[pid 15857] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15857] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15857] pipe2([3, 4], 0)            = 0
[pid 15857] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15857] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15857] sync()                      = 0
[pid 15857] exit_group(0)               = ?
[pid 15857] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15857, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15858 attached
, child_tidptr=0x555555bcb690) = 15858
[pid 15858] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15858] setpgid(0, 0)               = 0
[pid 15858] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15858] write(3, "1000", 4)         = 4
[pid 15858] close(3)                    = 0
[pid 15858] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15858] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15858] pipe2([3, 4], 0)            = 0
[pid 15858] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15858] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15858] sync()                      = 0
[pid 15858] exit_group(0)               = ?
[pid 15858] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15858, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15859 attached
, child_tidptr=0x555555bcb690) = 15859
[pid 15859] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15859] setpgid(0, 0)               = 0
[pid 15859] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15859] write(3, "1000", 4)         = 4
[pid 15859] close(3)                    = 0
[pid 15859] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15859] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15859] pipe2([3, 4], 0)            = 0
[pid 15859] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15859] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15859] sync()                      = 0
[pid 15859] exit_group(0)               = ?
[pid 15859] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15859, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15860 attached
, child_tidptr=0x555555bcb690) = 15860
[pid 15860] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15860] setpgid(0, 0)               = 0
[pid 15860] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15860] write(3, "1000", 4)         = 4
[pid 15860] close(3)                    = 0
[pid 15860] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15860] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15860] pipe2([3, 4], 0)            = 0
[pid 15860] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15860] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15860] sync()                      = 0
[pid 15860] exit_group(0)               = ?
[pid 15860] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15860, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15861 attached
, child_tidptr=0x555555bcb690) = 15861
[pid 15861] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15861] setpgid(0, 0)               = 0
[pid 15861] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15861] write(3, "1000", 4)         = 4
[pid 15861] close(3)                    = 0
[pid 15861] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15861] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15861] pipe2([3, 4], 0)            = 0
[pid 15861] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15861] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15861] sync()                      = 0
[pid 15861] exit_group(0)               = ?
[pid 15861] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15861, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15862 attached
, child_tidptr=0x555555bcb690) = 15862
[pid 15862] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15862] setpgid(0, 0)               = 0
[pid 15862] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15862] write(3, "1000", 4)         = 4
[pid 15862] close(3)                    = 0
[pid 15862] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15862] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15862] pipe2([3, 4], 0)            = 0
[pid 15862] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15862] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15862] sync()                      = 0
[pid 15862] exit_group(0)               = ?
[pid 15862] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15862, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15863 attached
, child_tidptr=0x555555bcb690) = 15863
[pid 15863] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15863] setpgid(0, 0)               = 0
[pid 15863] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15863] write(3, "1000", 4)         = 4
[pid 15863] close(3)                    = 0
[pid 15863] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15863] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15863] pipe2([3, 4], 0)            = 0
[pid 15863] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15863] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15863] sync()                      = 0
[pid 15863] exit_group(0)               = ?
[pid 15863] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15863, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15864
./strace-static-x86_64: Process 15864 attached
[pid 15864] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15864] setpgid(0, 0)               = 0
[pid 15864] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15864] write(3, "1000", 4)         = 4
[pid 15864] close(3)                    = 0
[pid 15864] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15864] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15864] pipe2([3, 4], 0)            = 0
[pid 15864] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15864] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15864] sync()                      = 0
[pid 15864] exit_group(0)               = ?
[pid 15864] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15864, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15865 attached
, child_tidptr=0x555555bcb690) = 15865
[pid 15865] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15865] setpgid(0, 0)               = 0
[pid 15865] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15865] write(3, "1000", 4)         = 4
[pid 15865] close(3)                    = 0
[pid 15865] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15865] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15865] pipe2([3, 4], 0)            = 0
[pid 15865] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15865] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15865] sync()                      = 0
[pid 15865] exit_group(0)               = ?
[pid 15865] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15865, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15866 attached
, child_tidptr=0x555555bcb690) = 15866
[pid 15866] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15866] setpgid(0, 0)               = 0
[pid 15866] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15866] write(3, "1000", 4)         = 4
[pid 15866] close(3)                    = 0
[pid 15866] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15866] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15866] pipe2([3, 4], 0)            = 0
[pid 15866] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15866] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15866] sync()                      = 0
[pid 15866] exit_group(0)               = ?
[pid 15866] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15866, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15867 attached
, child_tidptr=0x555555bcb690) = 15867
[pid 15867] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15867] setpgid(0, 0)               = 0
[pid 15867] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15867] write(3, "1000", 4)         = 4
[pid 15867] close(3)                    = 0
[pid 15867] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15867] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15867] pipe2([3, 4], 0)            = 0
[pid 15867] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15867] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15867] sync()                      = 0
[pid 15867] exit_group(0)               = ?
[pid 15867] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15867, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15868 attached
, child_tidptr=0x555555bcb690) = 15868
[pid 15868] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15868] setpgid(0, 0)               = 0
[pid 15868] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15868] write(3, "1000", 4)         = 4
[pid 15868] close(3)                    = 0
[pid 15868] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15868] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15868] pipe2([3, 4], 0)            = 0
[pid 15868] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15868] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15868] sync()                      = 0
[pid 15868] exit_group(0)               = ?
[pid 15868] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15868, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15869 attached
, child_tidptr=0x555555bcb690) = 15869
[pid 15869] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15869] setpgid(0, 0)               = 0
[pid 15869] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15869] write(3, "1000", 4)         = 4
[pid 15869] close(3)                    = 0
[pid 15869] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15869] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15869] pipe2([3, 4], 0)            = 0
[pid 15869] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15869] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15869] sync()                      = 0
[pid 15869] exit_group(0)               = ?
[pid 15869] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15869, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15870 attached
, child_tidptr=0x555555bcb690) = 15870
[pid 15870] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15870] setpgid(0, 0)               = 0
[pid 15870] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15870] write(3, "1000", 4)         = 4
[pid 15870] close(3)                    = 0
[pid 15870] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15870] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15870] pipe2([3, 4], 0)            = 0
[pid 15870] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15870] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15870] sync()                      = 0
[pid 15870] exit_group(0)               = ?
[pid 15870] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15870, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15871 attached
, child_tidptr=0x555555bcb690) = 15871
[pid 15871] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15871] setpgid(0, 0)               = 0
[pid 15871] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15871] write(3, "1000", 4)         = 4
[pid 15871] close(3)                    = 0
[pid 15871] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15871] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15871] pipe2([3, 4], 0)            = 0
[pid 15871] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15871] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15871] sync()                      = 0
[pid 15871] exit_group(0)               = ?
[pid 15871] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15871, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15872 attached
, child_tidptr=0x555555bcb690) = 15872
[pid 15872] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15872] setpgid(0, 0)               = 0
[pid 15872] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15872] write(3, "1000", 4)         = 4
[pid 15872] close(3)                    = 0
[pid 15872] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15872] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15872] pipe2([3, 4], 0)            = 0
[pid 15872] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15872] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15872] sync()                      = 0
[pid 15872] exit_group(0)               = ?
[pid 15872] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15872, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15873
./strace-static-x86_64: Process 15873 attached
[pid 15873] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15873] setpgid(0, 0)               = 0
[pid 15873] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15873] write(3, "1000", 4)         = 4
[pid 15873] close(3)                    = 0
[pid 15873] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15873] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15873] pipe2([3, 4], 0)            = 0
[pid 15873] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15873] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15873] sync()                      = 0
[pid 15873] exit_group(0)               = ?
[pid 15873] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15873, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15874 attached
, child_tidptr=0x555555bcb690) = 15874
[pid 15874] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15874] setpgid(0, 0)               = 0
[pid 15874] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15874] write(3, "1000", 4)         = 4
[pid 15874] close(3)                    = 0
[pid 15874] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15874] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15874] pipe2([3, 4], 0)            = 0
[pid 15874] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15874] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15874] sync()                      = 0
[pid 15874] exit_group(0)               = ?
[pid 15874] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15874, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15875 attached
, child_tidptr=0x555555bcb690) = 15875
[pid 15875] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15875] setpgid(0, 0)               = 0
[pid 15875] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15875] write(3, "1000", 4)         = 4
[pid 15875] close(3)                    = 0
[pid 15875] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15875] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15875] pipe2([3, 4], 0)            = 0
[pid 15875] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15875] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15875] sync()                      = 0
[pid 15875] exit_group(0)               = ?
[pid 15875] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15875, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15876 attached
, child_tidptr=0x555555bcb690) = 15876
[pid 15876] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15876] setpgid(0, 0)               = 0
[pid 15876] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15876] write(3, "1000", 4)         = 4
[pid 15876] close(3)                    = 0
[pid 15876] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15876] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15876] pipe2([3, 4], 0)            = 0
[pid 15876] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15876] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15876] sync()                      = 0
[pid 15876] exit_group(0)               = ?
[pid 15876] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15876, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15877 attached
, child_tidptr=0x555555bcb690) = 15877
[pid 15877] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15877] setpgid(0, 0)               = 0
[pid 15877] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15877] write(3, "1000", 4)         = 4
[pid 15877] close(3)                    = 0
[pid 15877] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15877] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15877] pipe2([3, 4], 0)            = 0
[pid 15877] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15877] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15877] sync()                      = 0
[pid 15877] exit_group(0)               = ?
[pid 15877] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15877, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15878 attached
, child_tidptr=0x555555bcb690) = 15878
[pid 15878] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15878] setpgid(0, 0)               = 0
[pid 15878] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15878] write(3, "1000", 4)         = 4
[pid 15878] close(3)                    = 0
[pid 15878] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15878] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15878] pipe2([3, 4], 0)            = 0
[pid 15878] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15878] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15878] sync()                      = 0
[pid 15878] exit_group(0)               = ?
[pid 15878] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15878, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15879 attached
, child_tidptr=0x555555bcb690) = 15879
[pid 15879] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15879] setpgid(0, 0)               = 0
[pid 15879] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15879] write(3, "1000", 4)         = 4
[pid 15879] close(3)                    = 0
[pid 15879] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15879] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15879] pipe2([3, 4], 0)            = 0
[pid 15879] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15879] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15879] sync()                      = 0
[pid 15879] exit_group(0)               = ?
[pid 15879] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15879, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15880 attached
, child_tidptr=0x555555bcb690) = 15880
[pid 15880] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15880] setpgid(0, 0)               = 0
[pid 15880] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15880] write(3, "1000", 4)         = 4
[pid 15880] close(3)                    = 0
[pid 15880] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15880] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15880] pipe2([3, 4], 0)            = 0
[pid 15880] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15880] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15880] sync()                      = 0
[pid 15880] exit_group(0)               = ?
[pid 15880] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15880, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15881 attached
, child_tidptr=0x555555bcb690) = 15881
[pid 15881] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15881] setpgid(0, 0)               = 0
[pid 15881] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15881] write(3, "1000", 4)         = 4
[pid 15881] close(3)                    = 0
[pid 15881] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15881] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15881] pipe2([3, 4], 0)            = 0
[pid 15881] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15881] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15881] sync()                      = 0
[pid 15881] exit_group(0)               = ?
[pid 15881] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15881, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15882 attached
, child_tidptr=0x555555bcb690) = 15882
[pid 15882] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15882] setpgid(0, 0)               = 0
[pid 15882] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15882] write(3, "1000", 4)         = 4
[pid 15882] close(3)                    = 0
[pid 15882] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15882] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15882] pipe2([3, 4], 0)            = 0
[pid 15882] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15882] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15882] sync()                      = 0
[pid 15882] exit_group(0)               = ?
[pid 15882] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15882, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15883 attached
, child_tidptr=0x555555bcb690) = 15883
[pid 15883] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15883] setpgid(0, 0)               = 0
[pid 15883] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15883] write(3, "1000", 4)         = 4
[pid 15883] close(3)                    = 0
[pid 15883] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15883] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15883] pipe2([3, 4], 0)            = 0
[pid 15883] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15883] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15883] sync()                      = 0
[pid 15883] exit_group(0)               = ?
[pid 15883] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15883, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15884
./strace-static-x86_64: Process 15884 attached
[pid 15884] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15884] setpgid(0, 0)               = 0
[pid 15884] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15884] write(3, "1000", 4)         = 4
[pid 15884] close(3)                    = 0
[pid 15884] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15884] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15884] pipe2([3, 4], 0)            = 0
[pid 15884] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15884] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15884] sync()                      = 0
[pid 15884] exit_group(0)               = ?
[pid 15884] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15884, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15885 attached
, child_tidptr=0x555555bcb690) = 15885
[pid 15885] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15885] setpgid(0, 0)               = 0
[pid 15885] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15885] write(3, "1000", 4)         = 4
[pid 15885] close(3)                    = 0
[pid 15885] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15885] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15885] pipe2([3, 4], 0)            = 0
[pid 15885] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15885] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15885] sync()                      = 0
[pid 15885] exit_group(0)               = ?
[pid 15885] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15885, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15886 attached
, child_tidptr=0x555555bcb690) = 15886
[pid 15886] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15886] setpgid(0, 0)               = 0
[pid 15886] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15886] write(3, "1000", 4)         = 4
[pid 15886] close(3)                    = 0
[pid 15886] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15886] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15886] pipe2([3, 4], 0)            = 0
[pid 15886] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15886] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15886] sync()                      = 0
[pid 15886] exit_group(0)               = ?
[pid 15886] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15886, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15887 attached
, child_tidptr=0x555555bcb690) = 15887
[pid 15887] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15887] setpgid(0, 0)               = 0
[pid 15887] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15887] write(3, "1000", 4)         = 4
[pid 15887] close(3)                    = 0
[pid 15887] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15887] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15887] pipe2([3, 4], 0)            = 0
[pid 15887] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15887] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15887] sync()                      = 0
[pid 15887] exit_group(0)               = ?
[pid 15887] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15887, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15888 attached
, child_tidptr=0x555555bcb690) = 15888
[pid 15888] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15888] setpgid(0, 0)               = 0
[pid 15888] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15888] write(3, "1000", 4)         = 4
[pid 15888] close(3)                    = 0
[pid 15888] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15888] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15888] pipe2([3, 4], 0)            = 0
[pid 15888] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15888] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15888] sync()                      = 0
[pid 15888] exit_group(0)               = ?
[pid 15888] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15888, si_uid=0, si_status=0, si_utime=1, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15889
./strace-static-x86_64: Process 15889 attached
[pid 15889] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15889] setpgid(0, 0)               = 0
[pid 15889] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15889] write(3, "1000", 4)         = 4
[pid 15889] close(3)                    = 0
[pid 15889] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15889] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15889] pipe2([3, 4], 0)            = 0
[pid 15889] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15889] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15889] sync()                      = 0
[pid 15889] exit_group(0)               = ?
[pid 15889] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15889, si_uid=0, si_status=0, si_utime=1, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15890 attached
, child_tidptr=0x555555bcb690) = 15890
[pid 15890] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15890] setpgid(0, 0)               = 0
[pid 15890] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15890] write(3, "1000", 4)         = 4
[pid 15890] close(3)                    = 0
[pid 15890] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15890] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15890] pipe2([3, 4], 0)            = 0
[pid 15890] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15890] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15890] sync()                      = 0
[pid 15890] exit_group(0)               = ?
[pid 15890] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15890, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15891 attached
, child_tidptr=0x555555bcb690) = 15891
[pid 15891] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15891] setpgid(0, 0)               = 0
[pid 15891] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15891] write(3, "1000", 4)         = 4
[pid 15891] close(3)                    = 0
[pid 15891] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15891] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15891] pipe2([3, 4], 0)            = 0
[pid 15891] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15891] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15891] sync()                      = 0
[pid 15891] exit_group(0)               = ?
[pid 15891] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15891, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15892 attached
, child_tidptr=0x555555bcb690) = 15892
[pid 15892] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15892] setpgid(0, 0)               = 0
[pid 15892] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15892] write(3, "1000", 4)         = 4
[pid 15892] close(3)                    = 0
[pid 15892] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15892] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15892] pipe2([3, 4], 0)            = 0
[pid 15892] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15892] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15892] sync()                      = 0
[pid 15892] exit_group(0)               = ?
[pid 15892] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15892, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15893 attached
, child_tidptr=0x555555bcb690) = 15893
[pid 15893] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15893] setpgid(0, 0)               = 0
[pid 15893] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15893] write(3, "1000", 4)         = 4
[pid 15893] close(3)                    = 0
[pid 15893] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15893] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15893] pipe2([3, 4], 0)            = 0
[pid 15893] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15893] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15893] sync()                      = 0
[pid 15893] exit_group(0)               = ?
[pid 15893] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15893, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15894 attached
, child_tidptr=0x555555bcb690) = 15894
[pid 15894] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15894] setpgid(0, 0)               = 0
[pid 15894] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15894] write(3, "1000", 4)         = 4
[pid 15894] close(3)                    = 0
[pid 15894] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15894] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15894] pipe2([3, 4], 0)            = 0
[pid 15894] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15894] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15894] sync()                      = 0
[pid 15894] exit_group(0)               = ?
[pid 15894] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15894, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15895
./strace-static-x86_64: Process 15895 attached
[pid 15895] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15895] setpgid(0, 0)               = 0
[pid 15895] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15895] write(3, "1000", 4)         = 4
[pid 15895] close(3)                    = 0
[pid 15895] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15895] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15895] pipe2([3, 4], 0)            = 0
[pid 15895] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15895] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15895] sync()                      = 0
[pid 15895] exit_group(0)               = ?
[pid 15895] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15895, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15896
./strace-static-x86_64: Process 15896 attached
[pid 15896] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15896] setpgid(0, 0)               = 0
[pid 15896] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15896] write(3, "1000", 4)         = 4
[pid 15896] close(3)                    = 0
[pid 15896] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15896] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15896] pipe2([3, 4], 0)            = 0
[pid 15896] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15896] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15896] sync()                      = 0
[pid 15896] exit_group(0)               = ?
[pid 15896] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15896, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15897 attached
, child_tidptr=0x555555bcb690) = 15897
[pid 15897] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15897] setpgid(0, 0)               = 0
[pid 15897] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15897] write(3, "1000", 4)         = 4
[pid 15897] close(3)                    = 0
[pid 15897] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15897] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15897] pipe2([3, 4], 0)            = 0
[pid 15897] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15897] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15897] sync()                      = 0
[pid 15897] exit_group(0)               = ?
[pid 15897] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15897, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15898 attached
, child_tidptr=0x555555bcb690) = 15898
[pid 15898] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15898] setpgid(0, 0)               = 0
[pid 15898] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15898] write(3, "1000", 4)         = 4
[pid 15898] close(3)                    = 0
[pid 15898] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15898] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15898] pipe2([3, 4], 0)            = 0
[pid 15898] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15898] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15898] sync()                      = 0
[pid 15898] exit_group(0)               = ?
[pid 15898] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15898, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15900 attached
, child_tidptr=0x555555bcb690) = 15900
[pid 15900] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15900] setpgid(0, 0)               = 0
[pid 15900] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15900] write(3, "1000", 4)         = 4
[pid 15900] close(3)                    = 0
[pid 15900] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15900] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15900] pipe2([3, 4], 0)            = 0
[pid 15900] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15900] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15900] sync()                      = 0
[pid 15900] exit_group(0)               = ?
[pid 15900] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15900, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15901 attached
, child_tidptr=0x555555bcb690) = 15901
[pid 15901] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15901] setpgid(0, 0)               = 0
[pid 15901] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15901] write(3, "1000", 4)         = 4
[pid 15901] close(3)                    = 0
[pid 15901] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15901] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15901] pipe2([3, 4], 0)            = 0
[pid 15901] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15901] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15901] sync()                      = 0
[pid 15901] exit_group(0)               = ?
[pid 15901] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15901, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15902
./strace-static-x86_64: Process 15902 attached
[pid 15902] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15902] setpgid(0, 0)               = 0
[pid 15902] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15902] write(3, "1000", 4)         = 4
[pid 15902] close(3)                    = 0
[pid 15902] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15902] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15902] pipe2([3, 4], 0)            = 0
[pid 15902] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15902] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15902] sync()                      = 0
[pid 15902] exit_group(0)               = ?
[pid 15902] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15902, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15903 attached
, child_tidptr=0x555555bcb690) = 15903
[pid 15903] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15903] setpgid(0, 0)               = 0
[pid 15903] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15903] write(3, "1000", 4)         = 4
[pid 15903] close(3)                    = 0
[pid 15903] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15903] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15903] pipe2([3, 4], 0)            = 0
[pid 15903] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15903] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15903] sync()                      = 0
[pid 15903] exit_group(0)               = ?
[pid 15903] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15903, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15904 attached
, child_tidptr=0x555555bcb690) = 15904
[pid 15904] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15904] setpgid(0, 0)               = 0
[pid 15904] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15904] write(3, "1000", 4)         = 4
[pid 15904] close(3)                    = 0
[pid 15904] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15904] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15904] pipe2([3, 4], 0)            = 0
[pid 15904] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15904] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15904] sync()                      = 0
[pid 15904] exit_group(0)               = ?
[pid 15904] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15904, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15905 attached
, child_tidptr=0x555555bcb690) = 15905
[pid 15905] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15905] setpgid(0, 0)               = 0
[pid 15905] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15905] write(3, "1000", 4)         = 4
[pid 15905] close(3)                    = 0
[pid 15905] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15905] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15905] pipe2([3, 4], 0)            = 0
[pid 15905] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15905] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15905] sync()                      = 0
[pid 15905] exit_group(0)               = ?
[pid 15905] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15905, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15906 attached
, child_tidptr=0x555555bcb690) = 15906
[pid 15906] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15906] setpgid(0, 0)               = 0
[pid 15906] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15906] write(3, "1000", 4)         = 4
[pid 15906] close(3)                    = 0
[pid 15906] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15906] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15906] pipe2([3, 4], 0)            = 0
[pid 15906] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15906] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15906] sync()                      = 0
[pid 15906] exit_group(0)               = ?
[pid 15906] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15906, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15907 attached
, child_tidptr=0x555555bcb690) = 15907
[pid 15907] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15907] setpgid(0, 0)               = 0
[pid 15907] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15907] write(3, "1000", 4)         = 4
[pid 15907] close(3)                    = 0
[pid 15907] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15907] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15907] pipe2([3, 4], 0)            = 0
[pid 15907] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15907] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15907] sync()                      = 0
[pid 15907] exit_group(0)               = ?
[pid 15907] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15907, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15908
./strace-static-x86_64: Process 15908 attached
[pid 15908] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15908] setpgid(0, 0)               = 0
[pid 15908] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15908] write(3, "1000", 4)         = 4
[pid 15908] close(3)                    = 0
[pid 15908] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15908] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15908] pipe2([3, 4], 0)            = 0
[pid 15908] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15908] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15908] sync()                      = 0
[pid 15908] exit_group(0)               = ?
[pid 15908] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15908, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15909 attached
, child_tidptr=0x555555bcb690) = 15909
[pid 15909] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15909] setpgid(0, 0)               = 0
[pid 15909] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15909] write(3, "1000", 4)         = 4
[pid 15909] close(3)                    = 0
[pid 15909] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15909] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15909] pipe2([3, 4], 0)            = 0
[pid 15909] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15909] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15909] sync()                      = 0
[pid 15909] exit_group(0)               = ?
[pid 15909] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15909, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15910 attached
, child_tidptr=0x555555bcb690) = 15910
[pid 15910] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15910] setpgid(0, 0)               = 0
[pid 15910] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15910] write(3, "1000", 4)         = 4
[pid 15910] close(3)                    = 0
[pid 15910] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15910] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15910] pipe2([3, 4], 0)            = 0
[pid 15910] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15910] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15910] sync()                      = 0
[pid 15910] exit_group(0)               = ?
[pid 15910] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15910, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15911 attached
, child_tidptr=0x555555bcb690) = 15911
[pid 15911] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15911] setpgid(0, 0)               = 0
[pid 15911] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15911] write(3, "1000", 4)         = 4
[pid 15911] close(3)                    = 0
[pid 15911] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15911] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15911] pipe2([3, 4], 0)            = 0
[pid 15911] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15911] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15911] sync()                      = 0
[pid 15911] exit_group(0)               = ?
[pid 15911] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15911, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15912 attached
, child_tidptr=0x555555bcb690) = 15912
[pid 15912] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15912] setpgid(0, 0)               = 0
[pid 15912] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15912] write(3, "1000", 4)         = 4
[pid 15912] close(3)                    = 0
[pid 15912] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15912] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15912] pipe2([3, 4], 0)            = 0
[pid 15912] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15912] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15912] sync()                      = 0
[pid 15912] exit_group(0)               = ?
[pid 15912] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15912, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15913 attached
, child_tidptr=0x555555bcb690) = 15913
[pid 15913] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15913] setpgid(0, 0)               = 0
[pid 15913] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15913] write(3, "1000", 4)         = 4
[pid 15913] close(3)                    = 0
[pid 15913] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15913] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15913] pipe2([3, 4], 0)            = 0
[pid 15913] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15913] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15913] sync()                      = 0
[pid 15913] exit_group(0)               = ?
[pid 15913] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15913, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15914 attached
, child_tidptr=0x555555bcb690) = 15914
[pid 15914] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15914] setpgid(0, 0)               = 0
[pid 15914] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15914] write(3, "1000", 4)         = 4
[pid 15914] close(3)                    = 0
[pid 15914] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15914] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15914] pipe2([3, 4], 0)            = 0
[pid 15914] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15914] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15914] sync()                      = 0
[pid 15914] exit_group(0)               = ?
[pid 15914] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15914, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15915 attached
, child_tidptr=0x555555bcb690) = 15915
[pid 15915] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15915] setpgid(0, 0)               = 0
[pid 15915] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15915] write(3, "1000", 4)         = 4
[pid 15915] close(3)                    = 0
[pid 15915] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15915] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15915] pipe2([3, 4], 0)            = 0
[pid 15915] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15915] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15915] sync()                      = 0
[pid 15915] exit_group(0)               = ?
[pid 15915] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15915, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15916 attached
, child_tidptr=0x555555bcb690) = 15916
[pid 15916] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15916] setpgid(0, 0)               = 0
[pid 15916] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15916] write(3, "1000", 4)         = 4
[pid 15916] close(3)                    = 0
[pid 15916] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15916] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15916] pipe2([3, 4], 0)            = 0
[pid 15916] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15916] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15916] sync()                      = 0
[pid 15916] exit_group(0)               = ?
[pid 15916] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15916, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15917 attached
, child_tidptr=0x555555bcb690) = 15917
[pid 15917] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15917] setpgid(0, 0)               = 0
[pid 15917] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15917] write(3, "1000", 4)         = 4
[pid 15917] close(3)                    = 0
[pid 15917] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15917] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15917] pipe2([3, 4], 0)            = 0
[pid 15917] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15917] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15917] sync()                      = 0
[pid 15917] exit_group(0)               = ?
[pid 15917] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15917, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15918
./strace-static-x86_64: Process 15918 attached
[pid 15918] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15918] setpgid(0, 0)               = 0
[pid 15918] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15918] write(3, "1000", 4)         = 4
[pid 15918] close(3)                    = 0
[pid 15918] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15918] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15918] pipe2([3, 4], 0)            = 0
[pid 15918] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15918] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15918] sync()                      = 0
[pid 15918] exit_group(0)               = ?
[pid 15918] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15918, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15919 attached
, child_tidptr=0x555555bcb690) = 15919
[pid 15919] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15919] setpgid(0, 0)               = 0
[pid 15919] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15919] write(3, "1000", 4)         = 4
[pid 15919] close(3)                    = 0
[pid 15919] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15919] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15919] pipe2([3, 4], 0)            = 0
[pid 15919] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15919] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15919] sync()                      = 0
[pid 15919] exit_group(0)               = ?
[pid 15919] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15919, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15920
./strace-static-x86_64: Process 15920 attached
[pid 15920] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15920] setpgid(0, 0)               = 0
[pid 15920] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15920] write(3, "1000", 4)         = 4
[pid 15920] close(3)                    = 0
[pid 15920] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15920] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15920] pipe2([3, 4], 0)            = 0
[pid 15920] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15920] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15920] sync()                      = 0
[pid 15920] exit_group(0)               = ?
[pid 15920] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15920, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15921 attached
, child_tidptr=0x555555bcb690) = 15921
[pid 15921] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15921] setpgid(0, 0)               = 0
[pid 15921] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15921] write(3, "1000", 4)         = 4
[pid 15921] close(3)                    = 0
[pid 15921] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15921] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15921] pipe2([3, 4], 0)            = 0
[pid 15921] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15921] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15921] sync()                      = 0
[pid 15921] exit_group(0)               = ?
[pid 15921] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15921, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15922 attached
, child_tidptr=0x555555bcb690) = 15922
[pid 15922] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15922] setpgid(0, 0)               = 0
[pid 15922] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15922] write(3, "1000", 4)         = 4
[pid 15922] close(3)                    = 0
[pid 15922] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15922] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15922] pipe2([3, 4], 0)            = 0
[pid 15922] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15922] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15922] sync()                      = 0
[pid 15922] exit_group(0)               = ?
[pid 15922] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15922, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15923 attached
, child_tidptr=0x555555bcb690) = 15923
[pid 15923] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15923] setpgid(0, 0)               = 0
[pid 15923] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15923] write(3, "1000", 4)         = 4
[pid 15923] close(3)                    = 0
[pid 15923] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15923] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15923] pipe2([3, 4], 0)            = 0
[pid 15923] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15923] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15923] sync()                      = 0
[pid 15923] exit_group(0)               = ?
[pid 15923] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15923, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15924 attached
, child_tidptr=0x555555bcb690) = 15924
[pid 15924] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15924] setpgid(0, 0)               = 0
[pid 15924] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15924] write(3, "1000", 4)         = 4
[pid 15924] close(3)                    = 0
[pid 15924] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15924] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15924] pipe2([3, 4], 0)            = 0
[pid 15924] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15924] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15924] sync()                      = 0
[pid 15924] exit_group(0)               = ?
[pid 15924] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15924, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15925 attached
, child_tidptr=0x555555bcb690) = 15925
[pid 15925] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15925] setpgid(0, 0)               = 0
[pid 15925] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15925] write(3, "1000", 4)         = 4
[pid 15925] close(3)                    = 0
[pid 15925] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15925] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15925] pipe2([3, 4], 0)            = 0
[pid 15925] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15925] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15925] sync()                      = 0
[pid 15925] exit_group(0)               = ?
[pid 15925] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15925, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15926 attached
, child_tidptr=0x555555bcb690) = 15926
[pid 15926] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15926] setpgid(0, 0)               = 0
[pid 15926] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15926] write(3, "1000", 4)         = 4
[pid 15926] close(3)                    = 0
[pid 15926] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15926] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15926] pipe2([3, 4], 0)            = 0
[pid 15926] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15926] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15926] sync()                      = 0
[pid 15926] exit_group(0)               = ?
[pid 15926] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15926, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15927 attached
, child_tidptr=0x555555bcb690) = 15927
[pid 15927] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15927] setpgid(0, 0)               = 0
[pid 15927] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15927] write(3, "1000", 4)         = 4
[pid 15927] close(3)                    = 0
[pid 15927] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15927] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15927] pipe2([3, 4], 0)            = 0
[pid 15927] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15927] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15927] sync()                      = 0
[pid 15927] exit_group(0)               = ?
[pid 15927] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15927, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15928 attached
, child_tidptr=0x555555bcb690) = 15928
[pid 15928] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15928] setpgid(0, 0)               = 0
[pid 15928] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15928] write(3, "1000", 4)         = 4
[pid 15928] close(3)                    = 0
[pid 15928] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15928] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15928] pipe2([3, 4], 0)            = 0
[pid 15928] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15928] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15928] sync()                      = 0
[pid 15928] exit_group(0)               = ?
[pid 15928] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15928, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15929
./strace-static-x86_64: Process 15929 attached
[pid 15929] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15929] setpgid(0, 0)               = 0
[pid 15929] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15929] write(3, "1000", 4)         = 4
[pid 15929] close(3)                    = 0
[pid 15929] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15929] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15929] pipe2([3, 4], 0)            = 0
[pid 15929] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15929] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15929] sync()                      = 0
[pid 15929] exit_group(0)               = ?
[pid 15929] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15929, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15930
./strace-static-x86_64: Process 15930 attached
[pid 15930] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15930] setpgid(0, 0)               = 0
[pid 15930] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15930] write(3, "1000", 4)         = 4
[pid 15930] close(3)                    = 0
[pid 15930] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15930] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15930] pipe2([3, 4], 0)            = 0
[pid 15930] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15930] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15930] sync()                      = 0
[pid 15930] exit_group(0)               = ?
[pid 15930] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15930, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15931
./strace-static-x86_64: Process 15931 attached
[pid 15931] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15931] setpgid(0, 0)               = 0
[pid 15931] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15931] write(3, "1000", 4)         = 4
[pid 15931] close(3)                    = 0
[pid 15931] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15931] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15931] pipe2([3, 4], 0)            = 0
[pid 15931] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15931] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15931] sync()                      = 0
[pid 15931] exit_group(0)               = ?
[pid 15931] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15931, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15932 attached
, child_tidptr=0x555555bcb690) = 15932
[pid 15932] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15932] setpgid(0, 0)               = 0
[pid 15932] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15932] write(3, "1000", 4)         = 4
[pid 15932] close(3)                    = 0
[pid 15932] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15932] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15932] pipe2([3, 4], 0)            = 0
[pid 15932] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15932] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15932] sync()                      = 0
[pid 15932] exit_group(0)               = ?
[pid 15932] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15932, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15933 attached
, child_tidptr=0x555555bcb690) = 15933
[pid 15933] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15933] setpgid(0, 0)               = 0
[pid 15933] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15933] write(3, "1000", 4)         = 4
[pid 15933] close(3)                    = 0
[pid 15933] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15933] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15933] pipe2([3, 4], 0)            = 0
[pid 15933] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15933] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15933] sync()                      = 0
[pid 15933] exit_group(0)               = ?
[pid 15933] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15933, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15934
./strace-static-x86_64: Process 15934 attached
[pid 15934] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15934] setpgid(0, 0)               = 0
[pid 15934] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15934] write(3, "1000", 4)         = 4
[pid 15934] close(3)                    = 0
[pid 15934] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15934] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15934] pipe2([3, 4], 0)            = 0
[pid 15934] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15934] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15934] sync()                      = 0
[pid 15934] exit_group(0)               = ?
[pid 15934] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15934, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15935 attached
, child_tidptr=0x555555bcb690) = 15935
[pid 15935] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15935] setpgid(0, 0)               = 0
[pid 15935] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15935] write(3, "1000", 4)         = 4
[pid 15935] close(3)                    = 0
[pid 15935] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15935] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15935] pipe2([3, 4], 0)            = 0
[pid 15935] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15935] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15935] sync()                      = 0
[pid 15935] exit_group(0)               = ?
[pid 15935] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15935, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15936 attached
, child_tidptr=0x555555bcb690) = 15936
[pid 15936] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15936] setpgid(0, 0)               = 0
[pid 15936] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15936] write(3, "1000", 4)         = 4
[pid 15936] close(3)                    = 0
[pid 15936] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15936] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15936] pipe2([3, 4], 0)            = 0
[pid 15936] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15936] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15936] sync()                      = 0
[pid 15936] exit_group(0)               = ?
[pid 15936] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15936, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15937
./strace-static-x86_64: Process 15937 attached
[pid 15937] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15937] setpgid(0, 0)               = 0
[pid 15937] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15937] write(3, "1000", 4)         = 4
[pid 15937] close(3)                    = 0
[pid 15937] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15937] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15937] pipe2([3, 4], 0)            = 0
[pid 15937] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15937] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15937] sync()                      = 0
[pid 15937] exit_group(0)               = ?
[pid 15937] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15937, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15938 attached
, child_tidptr=0x555555bcb690) = 15938
[pid 15938] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15938] setpgid(0, 0)               = 0
[pid 15938] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15938] write(3, "1000", 4)         = 4
[pid 15938] close(3)                    = 0
[pid 15938] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15938] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15938] pipe2([3, 4], 0)            = 0
[pid 15938] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15938] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15938] sync()                      = 0
[pid 15938] exit_group(0)               = ?
[pid 15938] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15938, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15939 attached
, child_tidptr=0x555555bcb690) = 15939
[pid 15939] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15939] setpgid(0, 0)               = 0
[pid 15939] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15939] write(3, "1000", 4)         = 4
[pid 15939] close(3)                    = 0
[pid 15939] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15939] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15939] pipe2([3, 4], 0)            = 0
[pid 15939] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15939] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15939] sync()                      = 0
[pid 15939] exit_group(0)               = ?
[pid 15939] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15939, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15940 attached
, child_tidptr=0x555555bcb690) = 15940
[pid 15940] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15940] setpgid(0, 0)               = 0
[pid 15940] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15940] write(3, "1000", 4)         = 4
[pid 15940] close(3)                    = 0
[pid 15940] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15940] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15940] pipe2([3, 4], 0)            = 0
[pid 15940] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15940] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15940] sync()                      = 0
[pid 15940] exit_group(0)               = ?
[pid 15940] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15940, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15941
./strace-static-x86_64: Process 15941 attached
[pid 15941] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15941] setpgid(0, 0)               = 0
[pid 15941] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15941] write(3, "1000", 4)         = 4
[pid 15941] close(3)                    = 0
[pid 15941] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15941] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15941] pipe2([3, 4], 0)            = 0
[pid 15941] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15941] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15941] sync()                      = 0
[pid 15941] exit_group(0)               = ?
[pid 15941] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15941, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15942
./strace-static-x86_64: Process 15942 attached
[pid 15942] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15942] setpgid(0, 0)               = 0
[pid 15942] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15942] write(3, "1000", 4)         = 4
[pid 15942] close(3)                    = 0
[pid 15942] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15942] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15942] pipe2([3, 4], 0)            = 0
[pid 15942] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15942] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15942] sync()                      = 0
[pid 15942] exit_group(0)               = ?
[pid 15942] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15942, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15943 attached
, child_tidptr=0x555555bcb690) = 15943
[pid 15943] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15943] setpgid(0, 0)               = 0
[pid 15943] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15943] write(3, "1000", 4)         = 4
[pid 15943] close(3)                    = 0
[pid 15943] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15943] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15943] pipe2([3, 4], 0)            = 0
[pid 15943] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15943] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15943] sync()                      = 0
[pid 15943] exit_group(0)               = ?
[pid 15943] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15943, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15944 attached
, child_tidptr=0x555555bcb690) = 15944
[pid 15944] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15944] setpgid(0, 0)               = 0
[pid 15944] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15944] write(3, "1000", 4)         = 4
[pid 15944] close(3)                    = 0
[pid 15944] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15944] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15944] pipe2([3, 4], 0)            = 0
[pid 15944] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15944] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15944] sync()                      = 0
[pid 15944] exit_group(0)               = ?
[pid 15944] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15944, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15945 attached
, child_tidptr=0x555555bcb690) = 15945
[pid 15945] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15945] setpgid(0, 0)               = 0
[pid 15945] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15945] write(3, "1000", 4)         = 4
[pid 15945] close(3)                    = 0
[pid 15945] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15945] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15945] pipe2([3, 4], 0)            = 0
[pid 15945] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15945] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15945] sync()                      = 0
[pid 15945] exit_group(0)               = ?
[pid 15945] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15945, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15946 attached
, child_tidptr=0x555555bcb690) = 15946
[pid 15946] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15946] setpgid(0, 0)               = 0
[pid 15946] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15946] write(3, "1000", 4)         = 4
[pid 15946] close(3)                    = 0
[pid 15946] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15946] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15946] pipe2([3, 4], 0)            = 0
[pid 15946] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15946] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15946] sync()                      = 0
[pid 15946] exit_group(0)               = ?
[pid 15946] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15946, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15947 attached
, child_tidptr=0x555555bcb690) = 15947
[pid 15947] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15947] setpgid(0, 0)               = 0
[pid 15947] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15947] write(3, "1000", 4)         = 4
[pid 15947] close(3)                    = 0
[pid 15947] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15947] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15947] pipe2([3, 4], 0)            = 0
[pid 15947] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15947] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15947] sync()                      = 0
[pid 15947] exit_group(0)               = ?
[pid 15947] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15947, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15948 attached
, child_tidptr=0x555555bcb690) = 15948
[pid 15948] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15948] setpgid(0, 0)               = 0
[pid 15948] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15948] write(3, "1000", 4)         = 4
[pid 15948] close(3)                    = 0
[pid 15948] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15948] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15948] pipe2([3, 4], 0)            = 0
[pid 15948] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15948] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15948] sync()                      = 0
[pid 15948] exit_group(0)               = ?
[pid 15948] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15948, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15949 attached
, child_tidptr=0x555555bcb690) = 15949
[pid 15949] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15949] setpgid(0, 0)               = 0
[pid 15949] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15949] write(3, "1000", 4)         = 4
[pid 15949] close(3)                    = 0
[pid 15949] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15949] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15949] pipe2([3, 4], 0)            = 0
[pid 15949] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15949] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15949] sync()                      = 0
[pid 15949] exit_group(0)               = ?
[pid 15949] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15949, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15950 attached
, child_tidptr=0x555555bcb690) = 15950
[pid 15950] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15950] setpgid(0, 0)               = 0
[pid 15950] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15950] write(3, "1000", 4)         = 4
[pid 15950] close(3)                    = 0
[pid 15950] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15950] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15950] pipe2([3, 4], 0)            = 0
[pid 15950] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15950] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15950] sync()                      = 0
[pid 15950] exit_group(0)               = ?
[pid 15950] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15950, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15951
./strace-static-x86_64: Process 15951 attached
[pid 15951] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15951] setpgid(0, 0)               = 0
[pid 15951] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15951] write(3, "1000", 4)         = 4
[pid 15951] close(3)                    = 0
[pid 15951] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15951] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15951] pipe2([3, 4], 0)            = 0
[pid 15951] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15951] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15951] sync()                      = 0
[pid 15951] exit_group(0)               = ?
[pid 15951] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15951, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15952 attached
, child_tidptr=0x555555bcb690) = 15952
[pid 15952] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15952] setpgid(0, 0)               = 0
[pid 15952] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15952] write(3, "1000", 4)         = 4
[pid 15952] close(3)                    = 0
[pid 15952] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15952] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15952] pipe2([3, 4], 0)            = 0
[pid 15952] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15952] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15952] sync()                      = 0
[pid 15952] exit_group(0)               = ?
[pid 15952] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15952, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15953 attached
, child_tidptr=0x555555bcb690) = 15953
[pid 15953] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15953] setpgid(0, 0)               = 0
[pid 15953] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15953] write(3, "1000", 4)         = 4
[pid 15953] close(3)                    = 0
[pid 15953] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15953] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15953] pipe2([3, 4], 0)            = 0
[pid 15953] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15953] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15953] sync()                      = 0
[pid 15953] exit_group(0)               = ?
[pid 15953] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15953, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15954 attached
, child_tidptr=0x555555bcb690) = 15954
[pid 15954] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15954] setpgid(0, 0)               = 0
[pid 15954] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15954] write(3, "1000", 4)         = 4
[pid 15954] close(3)                    = 0
[pid 15954] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15954] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15954] pipe2([3, 4], 0)            = 0
[pid 15954] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15954] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15954] sync()                      = 0
[pid 15954] exit_group(0)               = ?
[pid 15954] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15954, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15955 attached
, child_tidptr=0x555555bcb690) = 15955
[pid 15955] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15955] setpgid(0, 0)               = 0
[pid 15955] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15955] write(3, "1000", 4)         = 4
[pid 15955] close(3)                    = 0
[pid 15955] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15955] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15955] pipe2([3, 4], 0)            = 0
[pid 15955] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15955] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15955] sync()                      = 0
[pid 15955] exit_group(0)               = ?
[pid 15955] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15955, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15956
./strace-static-x86_64: Process 15956 attached
[pid 15956] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15956] setpgid(0, 0)               = 0
[pid 15956] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15956] write(3, "1000", 4)         = 4
[pid 15956] close(3)                    = 0
[pid 15956] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15956] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15956] pipe2([3, 4], 0)            = 0
[pid 15956] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15956] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15956] sync()                      = 0
[pid 15956] exit_group(0)               = ?
[pid 15956] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15956, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15957
./strace-static-x86_64: Process 15957 attached
[pid 15957] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15957] setpgid(0, 0)               = 0
[pid 15957] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15957] write(3, "1000", 4)         = 4
[pid 15957] close(3)                    = 0
[pid 15957] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15957] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15957] pipe2([3, 4], 0)            = 0
[pid 15957] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15957] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15957] sync()                      = 0
[pid 15957] exit_group(0)               = ?
[pid 15957] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15957, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15958
./strace-static-x86_64: Process 15958 attached
[pid 15958] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15958] setpgid(0, 0)               = 0
[pid 15958] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15958] write(3, "1000", 4)         = 4
[pid 15958] close(3)                    = 0
[pid 15958] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15958] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15958] pipe2([3, 4], 0)            = 0
[pid 15958] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15958] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15958] sync()                      = 0
[pid 15958] exit_group(0)               = ?
[pid 15958] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15958, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15959
./strace-static-x86_64: Process 15959 attached
[pid 15959] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15959] setpgid(0, 0)               = 0
[pid 15959] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15959] write(3, "1000", 4)         = 4
[pid 15959] close(3)                    = 0
[pid 15959] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15959] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15959] pipe2([3, 4], 0)            = 0
[pid 15959] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15959] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15959] sync()                      = 0
[pid 15959] exit_group(0)               = ?
[pid 15959] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15959, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15960
./strace-static-x86_64: Process 15960 attached
[pid 15960] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15960] setpgid(0, 0)               = 0
[pid 15960] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15960] write(3, "1000", 4)         = 4
[pid 15960] close(3)                    = 0
[pid 15960] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15960] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15960] pipe2([3, 4], 0)            = 0
[pid 15960] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15960] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15960] sync()                      = 0
[pid 15960] exit_group(0)               = ?
[pid 15960] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15960, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15961 attached
, child_tidptr=0x555555bcb690) = 15961
[pid 15961] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15961] setpgid(0, 0)               = 0
[pid 15961] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15961] write(3, "1000", 4)         = 4
[pid 15961] close(3)                    = 0
[pid 15961] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15961] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15961] pipe2([3, 4], 0)            = 0
[pid 15961] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15961] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15961] sync()                      = 0
[pid 15961] exit_group(0)               = ?
[pid 15961] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15961, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15962 attached
, child_tidptr=0x555555bcb690) = 15962
[pid 15962] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15962] setpgid(0, 0)               = 0
[pid 15962] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15962] write(3, "1000", 4)         = 4
[pid 15962] close(3)                    = 0
[pid 15962] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15962] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15962] pipe2([3, 4], 0)            = 0
[pid 15962] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15962] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15962] sync()                      = 0
[pid 15962] exit_group(0)               = ?
[pid 15962] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15962, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15963 attached
, child_tidptr=0x555555bcb690) = 15963
[pid 15963] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15963] setpgid(0, 0)               = 0
[pid 15963] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15963] write(3, "1000", 4)         = 4
[pid 15963] close(3)                    = 0
[pid 15963] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15963] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15963] pipe2([3, 4], 0)            = 0
[pid 15963] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15963] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15963] sync()                      = 0
[pid 15963] exit_group(0)               = ?
[pid 15963] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15963, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15964 attached
, child_tidptr=0x555555bcb690) = 15964
[pid 15964] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15964] setpgid(0, 0)               = 0
[pid 15964] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15964] write(3, "1000", 4)         = 4
[pid 15964] close(3)                    = 0
[pid 15964] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15964] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15964] pipe2([3, 4], 0)            = 0
[pid 15964] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15964] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15964] sync()                      = 0
[pid 15964] exit_group(0)               = ?
[pid 15964] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15964, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15965 attached
, child_tidptr=0x555555bcb690) = 15965
[pid 15965] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15965] setpgid(0, 0)               = 0
[pid 15965] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15965] write(3, "1000", 4)         = 4
[pid 15965] close(3)                    = 0
[pid 15965] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15965] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15965] pipe2([3, 4], 0)            = 0
[pid 15965] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15965] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15965] sync()                      = 0
[pid 15965] exit_group(0)               = ?
[pid 15965] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15965, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15966 attached
, child_tidptr=0x555555bcb690) = 15966
[pid 15966] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15966] setpgid(0, 0)               = 0
[pid 15966] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15966] write(3, "1000", 4)         = 4
[pid 15966] close(3)                    = 0
[pid 15966] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15966] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15966] pipe2([3, 4], 0)            = 0
[pid 15966] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15966] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15966] sync()                      = 0
[pid 15966] exit_group(0)               = ?
[pid 15966] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15966, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15967 attached
, child_tidptr=0x555555bcb690) = 15967
[pid 15967] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15967] setpgid(0, 0)               = 0
[pid 15967] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15967] write(3, "1000", 4)         = 4
[pid 15967] close(3)                    = 0
[pid 15967] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15967] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15967] pipe2([3, 4], 0)            = 0
[pid 15967] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15967] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15967] sync()                      = 0
[pid 15967] exit_group(0)               = ?
[pid 15967] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15967, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15968 attached
, child_tidptr=0x555555bcb690) = 15968
[pid 15968] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15968] setpgid(0, 0)               = 0
[pid 15968] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15968] write(3, "1000", 4)         = 4
[pid 15968] close(3)                    = 0
[pid 15968] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15968] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15968] pipe2([3, 4], 0)            = 0
[pid 15968] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15968] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15968] sync()                      = 0
[pid 15968] exit_group(0)               = ?
[pid 15968] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15968, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15969 attached
, child_tidptr=0x555555bcb690) = 15969
[pid 15969] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15969] setpgid(0, 0)               = 0
[pid 15969] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15969] write(3, "1000", 4)         = 4
[pid 15969] close(3)                    = 0
[pid 15969] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15969] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15969] pipe2([3, 4], 0)            = 0
[pid 15969] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15969] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15969] sync()                      = 0
[pid 15969] exit_group(0)               = ?
[pid 15969] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15969, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15970 attached
, child_tidptr=0x555555bcb690) = 15970
[pid 15970] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15970] setpgid(0, 0)               = 0
[pid 15970] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15970] write(3, "1000", 4)         = 4
[pid 15970] close(3)                    = 0
[pid 15970] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15970] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15970] pipe2([3, 4], 0)            = 0
[pid 15970] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15970] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15970] sync()                      = 0
[pid 15970] exit_group(0)               = ?
[pid 15970] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15970, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15971 attached
, child_tidptr=0x555555bcb690) = 15971
[pid 15971] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15971] setpgid(0, 0)               = 0
[pid 15971] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15971] write(3, "1000", 4)         = 4
[pid 15971] close(3)                    = 0
[pid 15971] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15971] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15971] pipe2([3, 4], 0)            = 0
[pid 15971] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15971] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15971] sync()                      = 0
[pid 15971] exit_group(0)               = ?
[pid 15971] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15971, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15972 attached
, child_tidptr=0x555555bcb690) = 15972
[pid 15972] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15972] setpgid(0, 0)               = 0
[pid 15972] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15972] write(3, "1000", 4)         = 4
[pid 15972] close(3)                    = 0
[pid 15972] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15972] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15972] pipe2([3, 4], 0)            = 0
[pid 15972] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15972] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15972] sync()                      = 0
[pid 15972] exit_group(0)               = ?
[pid 15972] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15972, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15973 attached
, child_tidptr=0x555555bcb690) = 15973
[pid 15973] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15973] setpgid(0, 0)               = 0
[pid 15973] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15973] write(3, "1000", 4)         = 4
[pid 15973] close(3)                    = 0
[pid 15973] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15973] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15973] pipe2([3, 4], 0)            = 0
[pid 15973] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15973] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15973] sync()                      = 0
[pid 15973] exit_group(0)               = ?
[pid 15973] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15973, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15974
./strace-static-x86_64: Process 15974 attached
[pid 15974] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15974] setpgid(0, 0)               = 0
[pid 15974] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15974] write(3, "1000", 4)         = 4
[pid 15974] close(3)                    = 0
[pid 15974] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15974] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15974] pipe2([3, 4], 0)            = 0
[pid 15974] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15974] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15974] sync()                      = 0
[pid 15974] exit_group(0)               = ?
[pid 15974] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15974, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15975 attached
, child_tidptr=0x555555bcb690) = 15975
[pid 15975] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15975] setpgid(0, 0)               = 0
[pid 15975] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15975] write(3, "1000", 4)         = 4
[pid 15975] close(3)                    = 0
[pid 15975] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15975] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15975] pipe2([3, 4], 0)            = 0
[pid 15975] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15975] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15975] sync()                      = 0
[pid 15975] exit_group(0)               = ?
[pid 15975] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15975, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15976 attached
, child_tidptr=0x555555bcb690) = 15976
[pid 15976] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15976] setpgid(0, 0)               = 0
[pid 15976] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15976] write(3, "1000", 4)         = 4
[pid 15976] close(3)                    = 0
[pid 15976] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15976] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15976] pipe2([3, 4], 0)            = 0
[pid 15976] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15976] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15976] sync()                      = 0
[pid 15976] exit_group(0)               = ?
[pid 15976] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15976, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15977 attached
, child_tidptr=0x555555bcb690) = 15977
[pid 15977] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15977] setpgid(0, 0)               = 0
[pid 15977] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15977] write(3, "1000", 4)         = 4
[pid 15977] close(3)                    = 0
[pid 15977] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15977] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15977] pipe2([3, 4], 0)            = 0
[pid 15977] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15977] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15977] sync()                      = 0
[pid 15977] exit_group(0)               = ?
[pid 15977] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15977, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15978 attached
, child_tidptr=0x555555bcb690) = 15978
[pid 15978] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15978] setpgid(0, 0)               = 0
[pid 15978] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15978] write(3, "1000", 4)         = 4
[pid 15978] close(3)                    = 0
[pid 15978] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15978] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15978] pipe2([3, 4], 0)            = 0
[pid 15978] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15978] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15978] sync()                      = 0
[pid 15978] exit_group(0)               = ?
[pid 15978] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15978, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15979 attached
, child_tidptr=0x555555bcb690) = 15979
[pid 15979] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15979] setpgid(0, 0)               = 0
[pid 15979] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15979] write(3, "1000", 4)         = 4
[pid 15979] close(3)                    = 0
[pid 15979] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15979] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15979] pipe2([3, 4], 0)            = 0
[pid 15979] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15979] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15979] sync()                      = 0
[pid 15979] exit_group(0)               = ?
[pid 15979] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15979, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15980 attached
, child_tidptr=0x555555bcb690) = 15980
[pid 15980] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15980] setpgid(0, 0)               = 0
[pid 15980] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15980] write(3, "1000", 4)         = 4
[pid 15980] close(3)                    = 0
[pid 15980] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15980] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15980] pipe2([3, 4], 0)            = 0
[pid 15980] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15980] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15980] sync()                      = 0
[pid 15980] exit_group(0)               = ?
[pid 15980] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15980, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15981 attached
, child_tidptr=0x555555bcb690) = 15981
[pid 15981] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15981] setpgid(0, 0)               = 0
[pid 15981] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15981] write(3, "1000", 4)         = 4
[pid 15981] close(3)                    = 0
[pid 15981] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15981] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15981] pipe2([3, 4], 0)            = 0
[pid 15981] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15981] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15981] sync()                      = 0
[pid 15981] exit_group(0)               = ?
[pid 15981] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15981, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15982 attached
, child_tidptr=0x555555bcb690) = 15982
[pid 15982] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15982] setpgid(0, 0)               = 0
[pid 15982] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15982] write(3, "1000", 4)         = 4
[pid 15982] close(3)                    = 0
[pid 15982] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15982] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15982] pipe2([3, 4], 0)            = 0
[pid 15982] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15982] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15982] sync()                      = 0
[pid 15982] exit_group(0)               = ?
[pid 15982] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15982, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15983 attached
, child_tidptr=0x555555bcb690) = 15983
[pid 15983] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15983] setpgid(0, 0)               = 0
[pid 15983] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15983] write(3, "1000", 4)         = 4
[pid 15983] close(3)                    = 0
[pid 15983] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15983] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15983] pipe2([3, 4], 0)            = 0
[pid 15983] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15983] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15983] sync()                      = 0
[pid 15983] exit_group(0)               = ?
[pid 15983] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15983, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15984 attached
, child_tidptr=0x555555bcb690) = 15984
[pid 15984] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15984] setpgid(0, 0)               = 0
[pid 15984] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15984] write(3, "1000", 4)         = 4
[pid 15984] close(3)                    = 0
[pid 15984] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15984] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15984] pipe2([3, 4], 0)            = 0
[pid 15984] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15984] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15984] sync()                      = 0
[pid 15984] exit_group(0)               = ?
[pid 15984] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15984, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15985 attached
, child_tidptr=0x555555bcb690) = 15985
[pid 15985] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15985] setpgid(0, 0)               = 0
[pid 15985] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15985] write(3, "1000", 4)         = 4
[pid 15985] close(3)                    = 0
[pid 15985] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15985] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15985] pipe2([3, 4], 0)            = 0
[pid 15985] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15985] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15985] sync()                      = 0
[pid 15985] exit_group(0)               = ?
[pid 15985] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15985, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15986 attached
, child_tidptr=0x555555bcb690) = 15986
[pid 15986] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15986] setpgid(0, 0)               = 0
[pid 15986] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15986] write(3, "1000", 4)         = 4
[pid 15986] close(3)                    = 0
[pid 15986] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15986] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15986] pipe2([3, 4], 0)            = 0
[pid 15986] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15986] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15986] sync()                      = 0
[pid 15986] exit_group(0)               = ?
[pid 15986] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15986, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15987 attached
, child_tidptr=0x555555bcb690) = 15987
[pid 15987] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15987] setpgid(0, 0)               = 0
[pid 15987] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15987] write(3, "1000", 4)         = 4
[pid 15987] close(3)                    = 0
[pid 15987] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15987] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15987] pipe2([3, 4], 0)            = 0
[pid 15987] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15987] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15987] sync()                      = 0
[pid 15987] exit_group(0)               = ?
[pid 15987] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15987, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15988 attached
, child_tidptr=0x555555bcb690) = 15988
[pid 15988] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15988] setpgid(0, 0)               = 0
[pid 15988] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15988] write(3, "1000", 4)         = 4
[pid 15988] close(3)                    = 0
[pid 15988] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15988] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15988] pipe2([3, 4], 0)            = 0
[pid 15988] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15988] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15988] sync()                      = 0
[pid 15988] exit_group(0)               = ?
[pid 15988] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15988, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15989 attached
, child_tidptr=0x555555bcb690) = 15989
[pid 15989] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15989] setpgid(0, 0)               = 0
[pid 15989] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15989] write(3, "1000", 4)         = 4
[pid 15989] close(3)                    = 0
[pid 15989] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15989] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15989] pipe2([3, 4], 0)            = 0
[pid 15989] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15989] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15989] sync()                      = 0
[pid 15989] exit_group(0)               = ?
[pid 15989] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15989, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15990 attached
, child_tidptr=0x555555bcb690) = 15990
[pid 15990] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15990] setpgid(0, 0)               = 0
[pid 15990] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15990] write(3, "1000", 4)         = 4
[pid 15990] close(3)                    = 0
[pid 15990] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15990] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15990] pipe2([3, 4], 0)            = 0
[pid 15990] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15990] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15990] sync()                      = 0
[pid 15990] exit_group(0)               = ?
[pid 15990] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15990, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15991 attached
, child_tidptr=0x555555bcb690) = 15991
[pid 15991] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15991] setpgid(0, 0)               = 0
[pid 15991] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15991] write(3, "1000", 4)         = 4
[pid 15991] close(3)                    = 0
[pid 15991] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15991] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15991] pipe2([3, 4], 0)            = 0
[pid 15991] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15991] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15991] sync()                      = 0
[pid 15991] exit_group(0)               = ?
[pid 15991] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15991, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15992
./strace-static-x86_64: Process 15992 attached
[pid 15992] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15992] setpgid(0, 0)               = 0
[pid 15992] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15992] write(3, "1000", 4)         = 4
[pid 15992] close(3)                    = 0
[pid 15992] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15992] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15992] pipe2([3, 4], 0)            = 0
[pid 15992] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15992] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15992] sync()                      = 0
[pid 15992] exit_group(0)               = ?
[pid 15992] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15992, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15993 attached
, child_tidptr=0x555555bcb690) = 15993
[pid 15993] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15993] setpgid(0, 0)               = 0
[pid 15993] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15993] write(3, "1000", 4)         = 4
[pid 15993] close(3)                    = 0
[pid 15993] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15993] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15993] pipe2([3, 4], 0)            = 0
[pid 15993] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15993] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15993] sync()                      = 0
[pid 15993] exit_group(0)               = ?
[pid 15993] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15993, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15994 attached
, child_tidptr=0x555555bcb690) = 15994
[pid 15994] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15994] setpgid(0, 0)               = 0
[pid 15994] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15994] write(3, "1000", 4)         = 4
[pid 15994] close(3)                    = 0
[pid 15994] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15994] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15994] pipe2([3, 4], 0)            = 0
[pid 15994] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15994] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15994] sync()                      = 0
[pid 15994] exit_group(0)               = ?
[pid 15994] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15994, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15995
./strace-static-x86_64: Process 15995 attached
[pid 15995] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15995] setpgid(0, 0)               = 0
[pid 15995] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15995] write(3, "1000", 4)         = 4
[pid 15995] close(3)                    = 0
[pid 15995] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15995] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15995] pipe2([3, 4], 0)            = 0
[pid 15995] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15995] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15995] sync()                      = 0
[pid 15995] exit_group(0)               = ?
[pid 15995] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15995, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15996
./strace-static-x86_64: Process 15996 attached
[pid 15996] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15996] setpgid(0, 0)               = 0
[pid 15996] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15996] write(3, "1000", 4)         = 4
[pid 15996] close(3)                    = 0
[pid 15996] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15996] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15996] pipe2([3, 4], 0)            = 0
[pid 15996] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15996] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15996] sync()                      = 0
[pid 15996] exit_group(0)               = ?
[pid 15996] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15996, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15997
./strace-static-x86_64: Process 15997 attached
[pid 15997] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15997] setpgid(0, 0)               = 0
[pid 15997] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15997] write(3, "1000", 4)         = 4
[pid 15997] close(3)                    = 0
[pid 15997] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15997] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15997] pipe2([3, 4], 0)            = 0
[pid 15997] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15997] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15997] sync()                      = 0
[pid 15997] exit_group(0)               = ?
[pid 15997] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15997, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 15998
./strace-static-x86_64: Process 15998 attached
[pid 15998] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15998] setpgid(0, 0)               = 0
[pid 15998] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15998] write(3, "1000", 4)         = 4
[pid 15998] close(3)                    = 0
[pid 15998] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15998] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15998] pipe2([3, 4], 0)            = 0
[pid 15998] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15998] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15998] sync()                      = 0
[pid 15998] exit_group(0)               = ?
[pid 15998] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15998, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 15999 attached
, child_tidptr=0x555555bcb690) = 15999
[pid 15999] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 15999] setpgid(0, 0)               = 0
[pid 15999] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 15999] write(3, "1000", 4)         = 4
[pid 15999] close(3)                    = 0
[pid 15999] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 15999] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 15999] pipe2([3, 4], 0)            = 0
[pid 15999] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 15999] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 15999] sync()                      = 0
[pid 15999] exit_group(0)               = ?
[pid 15999] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15999, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 16000
./strace-static-x86_64: Process 16000 attached
[pid 16000] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16000] setpgid(0, 0)               = 0
[pid 16000] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16000] write(3, "1000", 4)         = 4
[pid 16000] close(3)                    = 0
[pid 16000] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 16000] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 16000] pipe2([3, 4], 0)            = 0
[pid 16000] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 16000] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 16000] sync()                      = 0
[pid 16000] exit_group(0)               = ?
[pid 16000] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16000, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16001 attached
, child_tidptr=0x555555bcb690) = 16001
[pid 16001] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16001] setpgid(0, 0)               = 0
[pid 16001] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16001] write(3, "1000", 4)         = 4
[pid 16001] close(3)                    = 0
[pid 16001] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 16001] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 16001] pipe2([3, 4], 0)            = 0
[pid 16001] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 16001] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 16001] sync()                      = 0
[pid 16001] exit_group(0)               = ?
[pid 16001] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16001, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 16002
./strace-static-x86_64: Process 16002 attached
[pid 16002] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16002] setpgid(0, 0)               = 0
[pid 16002] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16002] write(3, "1000", 4)         = 4
[pid 16002] close(3)                    = 0
[pid 16002] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 16002] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 16002] pipe2([3, 4], 0)            = 0
[pid 16002] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 16002] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 16002] sync()                      = 0
[pid 16002] exit_group(0)               = ?
[pid 16002] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16002, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 16003
./strace-static-x86_64: Process 16003 attached
[pid 16003] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16003] setpgid(0, 0)               = 0
[pid 16003] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16003] write(3, "1000", 4)         = 4
[pid 16003] close(3)                    = 0
[pid 16003] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 16003] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 16003] pipe2([3, 4], 0)            = 0
[pid 16003] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 16003] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 16003] sync()                      = 0
[pid 16003] exit_group(0)               = ?
[pid 16003] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16003, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 16005
./strace-static-x86_64: Process 16005 attached
[pid 16005] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16005] setpgid(0, 0)               = 0
[pid 16005] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16005] write(3, "1000", 4)         = 4
[pid 16005] close(3)                    = 0
[pid 16005] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 16005] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 16005] pipe2([3, 4], 0)            = 0
[pid 16005] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 16005] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 16005] sync()                      = 0
[pid 16005] exit_group(0)               = ?
[pid 16005] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16005, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16006 attached
, child_tidptr=0x555555bcb690) = 16006
[pid 16006] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16006] setpgid(0, 0)               = 0
[pid 16006] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16006] write(3, "1000", 4)         = 4
[pid 16006] close(3)                    = 0
[pid 16006] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 16006] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 16006] pipe2([3, 4], 0)            = 0
[pid 16006] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 16006] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 16006] sync()                      = 0
[pid 16006] exit_group(0)               = ?
[pid 16006] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16006, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16007 attached
, child_tidptr=0x555555bcb690) = 16007
[pid 16007] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16007] setpgid(0, 0)               = 0
[pid 16007] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16007] write(3, "1000", 4)         = 4
[pid 16007] close(3)                    = 0
[pid 16007] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 16007] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 16007] pipe2([3, 4], 0)            = 0
[pid 16007] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 16007] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 16007] sync()                      = 0
[pid 16007] exit_group(0)               = ?
[pid 16007] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16007, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16008 attached
, child_tidptr=0x555555bcb690) = 16008
[pid 16008] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16008] setpgid(0, 0)               = 0
[pid 16008] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16008] write(3, "1000", 4)         = 4
[pid 16008] close(3)                    = 0
[pid 16008] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 16008] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 16008] pipe2([3, 4], 0)            = 0
[pid 16008] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 16008] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 16008] sync()                      = 0
[pid 16008] exit_group(0)               = ?
[pid 16008] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16008, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16009 attached
, child_tidptr=0x555555bcb690) = 16009
[pid 16009] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16009] setpgid(0, 0)               = 0
[pid 16009] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16009] write(3, "1000", 4)         = 4
[pid 16009] close(3)                    = 0
[pid 16009] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 16009] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 16009] pipe2([3, 4], 0)            = 0
[pid 16009] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 16009] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 16009] sync()                      = 0
[pid 16009] exit_group(0)               = ?
[pid 16009] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16009, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16010 attached
, child_tidptr=0x555555bcb690) = 16010
[pid 16010] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16010] setpgid(0, 0)               = 0
[pid 16010] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16010] write(3, "1000", 4)         = 4
[pid 16010] close(3)                    = 0
[pid 16010] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 16010] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 16010] pipe2([3, 4], 0)            = 0
[pid 16010] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 16010] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 16010] sync()                      = 0
[pid 16010] exit_group(0)               = ?
[pid 16010] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16010, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16011 attached
, child_tidptr=0x555555bcb690) = 16011
[pid 16011] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16011] setpgid(0, 0)               = 0
[pid 16011] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16011] write(3, "1000", 4)         = 4
[pid 16011] close(3)                    = 0
[pid 16011] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 16011] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 16011] pipe2([3, 4], 0)            = 0
[pid 16011] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 16011] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 16011] sync()                      = 0
[pid 16011] exit_group(0)               = ?
[pid 16011] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16011, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16012 attached
, child_tidptr=0x555555bcb690) = 16012
[pid 16012] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16012] setpgid(0, 0)               = 0
[pid 16012] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16012] write(3, "1000", 4)         = 4
[pid 16012] close(3)                    = 0
[pid 16012] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 16012] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 16012] pipe2([3, 4], 0)            = 0
[pid 16012] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 16012] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 16012] sync()                      = 0
[pid 16012] exit_group(0)               = ?
[pid 16012] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16012, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16013 attached
, child_tidptr=0x555555bcb690) = 16013
[pid 16013] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16013] setpgid(0, 0)               = 0
[pid 16013] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16013] write(3, "1000", 4)         = 4
[pid 16013] close(3)                    = 0
[pid 16013] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 16013] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 16013] pipe2([3, 4], 0)            = 0
[pid 16013] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 16013] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 16013] sync()                      = 0
[pid 16013] exit_group(0)               = ?
[pid 16013] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16013, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16014 attached
, child_tidptr=0x555555bcb690) = 16014
[pid 16014] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16014] setpgid(0, 0)               = 0
[pid 16014] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16014] write(3, "1000", 4)         = 4
[pid 16014] close(3)                    = 0
[pid 16014] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 16014] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 16014] pipe2([3, 4], 0)            = 0
[pid 16014] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 16014] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 16014] sync()                      = 0
[pid 16014] exit_group(0)               = ?
[pid 16014] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16014, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16015 attached
, child_tidptr=0x555555bcb690) = 16015
[pid 16015] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16015] setpgid(0, 0)               = 0
[pid 16015] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16015] write(3, "1000", 4)         = 4
[pid 16015] close(3)                    = 0
[pid 16015] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 16015] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 16015] pipe2([3, 4], 0)            = 0
[pid 16015] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 16015] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 16015] sync()                      = 0
[pid 16015] exit_group(0)               = ?
[pid 16015] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16015, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16016 attached
, child_tidptr=0x555555bcb690) = 16016
[pid 16016] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16016] setpgid(0, 0)               = 0
[pid 16016] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16016] write(3, "1000", 4)         = 4
[pid 16016] close(3)                    = 0
[pid 16016] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 16016] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 16016] pipe2([3, 4], 0)            = 0
[pid 16016] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 16016] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 16016] sync()                      = 0
[pid 16016] exit_group(0)               = ?
[pid 16016] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16016, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 16017
./strace-static-x86_64: Process 16017 attached
[pid 16017] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16017] setpgid(0, 0)               = 0
[pid 16017] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16017] write(3, "1000", 4)         = 4
[pid 16017] close(3)                    = 0
[pid 16017] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 16017] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 16017] pipe2([3, 4], 0)            = 0
[pid 16017] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 16017] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 16017] sync()                      = 0
[pid 16017] exit_group(0)               = ?
[pid 16017] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16017, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16018 attached
, child_tidptr=0x555555bcb690) = 16018
[pid 16018] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16018] setpgid(0, 0)               = 0
[pid 16018] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16018] write(3, "1000", 4)         = 4
[pid 16018] close(3)                    = 0
[pid 16018] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 16018] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 16018] pipe2([3, 4], 0)            = 0
[pid 16018] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 16018] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 16018] sync()                      = 0
[pid 16018] exit_group(0)               = ?
[pid 16018] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16018, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16019 attached
, child_tidptr=0x555555bcb690) = 16019
[pid 16019] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16019] setpgid(0, 0)               = 0
[pid 16019] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16019] write(3, "1000", 4)         = 4
[pid 16019] close(3)                    = 0
[pid 16019] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 16019] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 16019] pipe2([3, 4], 0)            = 0
[pid 16019] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 16019] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 16019] sync()                      = 0
[pid 16019] exit_group(0)               = ?
[pid 16019] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16019, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16020 attached
, child_tidptr=0x555555bcb690) = 16020
[pid 16020] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16020] setpgid(0, 0)               = 0
[pid 16020] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16020] write(3, "1000", 4)         = 4
[pid 16020] close(3)                    = 0
[pid 16020] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 16020] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 16020] pipe2([3, 4], 0)            = 0
[pid 16020] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 16020] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 16020] sync()                      = 0
[pid 16020] exit_group(0)               = ?
[pid 16020] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16020, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16021 attached
, child_tidptr=0x555555bcb690) = 16021
[pid 16021] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16021] setpgid(0, 0)               = 0
[pid 16021] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16021] write(3, "1000", 4)         = 4
[pid 16021] close(3)                    = 0
[pid 16021] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 16021] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 16021] pipe2([3, 4], 0)            = 0
[pid 16021] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 16021] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 16021] sync()                      = 0
[pid 16021] exit_group(0)               = ?
[pid 16021] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16021, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16022 attached
, child_tidptr=0x555555bcb690) = 16022
[pid 16022] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16022] setpgid(0, 0)               = 0
[pid 16022] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16022] write(3, "1000", 4)         = 4
[pid 16022] close(3)                    = 0
[pid 16022] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 16022] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 16022] pipe2([3, 4], 0)            = 0
[pid 16022] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 16022] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 16022] sync()                      = 0
[pid 16022] exit_group(0)               = ?
[pid 16022] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16022, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16023 attached
, child_tidptr=0x555555bcb690) = 16023
[pid 16023] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16023] setpgid(0, 0)               = 0
[pid 16023] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16023] write(3, "1000", 4)         = 4
[pid 16023] close(3)                    = 0
[pid 16023] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 16023] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 16023] pipe2([3, 4], 0)            = 0
[pid 16023] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 16023] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 16023] sync()                      = 0
[pid 16023] exit_group(0)               = ?
[pid 16023] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16023, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 16024
./strace-static-x86_64: Process 16024 attached
[pid 16024] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16024] setpgid(0, 0)               = 0
[pid 16024] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16024] write(3, "1000", 4)         = 4
[pid 16024] close(3)                    = 0
[pid 16024] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 16024] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 16024] pipe2([3, 4], 0)            = 0
[pid 16024] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 16024] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 16024] sync()                      = 0
[pid 16024] exit_group(0)               = ?
[pid 16024] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16024, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16025 attached
, child_tidptr=0x555555bcb690) = 16025
[pid 16025] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16025] setpgid(0, 0)               = 0
[pid 16025] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16025] write(3, "1000", 4)         = 4
[pid 16025] close(3)                    = 0
[pid 16025] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 16025] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 16025] pipe2([3, 4], 0)            = 0
[pid 16025] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 16025] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 16025] sync()                      = 0
[pid 16025] exit_group(0)               = ?
[pid 16025] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16025, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 16026
./strace-static-x86_64: Process 16026 attached
[pid 16026] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16026] setpgid(0, 0)               = 0
[pid 16026] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16026] write(3, "1000", 4)         = 4
[pid 16026] close(3)                    = 0
[pid 16026] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 16026] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 16026] pipe2([3, 4], 0)            = 0
[pid 16026] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 16026] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 16026] sync()                      = 0
[pid 16026] exit_group(0)               = ?
[pid 16026] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16026, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16027 attached
, child_tidptr=0x555555bcb690) = 16027
[pid 16027] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16027] setpgid(0, 0)               = 0
[pid 16027] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16027] write(3, "1000", 4)         = 4
[pid 16027] close(3)                    = 0
[pid 16027] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 16027] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 16027] pipe2([3, 4], 0)            = 0
[pid 16027] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 16027] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 16027] sync()                      = 0
[pid 16027] exit_group(0)               = ?
[pid 16027] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16027, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16028 attached
, child_tidptr=0x555555bcb690) = 16028
[pid 16028] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16028] setpgid(0, 0)               = 0
[pid 16028] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16028] write(3, "1000", 4)         = 4
[pid 16028] close(3)                    = 0
[pid 16028] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 16028] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 16028] pipe2([3, 4], 0)            = 0
[pid 16028] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 16028] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 16028] sync()                      = 0
[pid 16028] exit_group(0)               = ?
[pid 16028] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16028, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16029 attached
, child_tidptr=0x555555bcb690) = 16029
[pid 16029] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16029] setpgid(0, 0)               = 0
[pid 16029] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16029] write(3, "1000", 4)         = 4
[pid 16029] close(3)                    = 0
[pid 16029] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 16029] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 16029] pipe2([3, 4], 0)            = 0
[pid 16029] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 16029] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 16029] sync()                      = 0
[pid 16029] exit_group(0)               = ?
[pid 16029] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16029, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 16030
./strace-static-x86_64: Process 16030 attached
[pid 16030] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16030] setpgid(0, 0)               = 0
[pid 16030] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16030] write(3, "1000", 4)         = 4
[pid 16030] close(3)                    = 0
[pid 16030] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 16030] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 16030] pipe2([3, 4], 0)            = 0
[pid 16030] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 16030] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 16030] sync()                      = 0
[pid 16030] exit_group(0)               = ?
[pid 16030] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16030, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 16031
./strace-static-x86_64: Process 16031 attached
[pid 16031] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16031] setpgid(0, 0)               = 0
[pid 16031] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16031] write(3, "1000", 4)         = 4
[pid 16031] close(3)                    = 0
[pid 16031] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 16031] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 16031] pipe2([3, 4], 0)            = 0
[pid 16031] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 16031] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 16031] sync()                      = 0
[pid 16031] exit_group(0)               = ?
[pid 16031] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16031, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 16032
./strace-static-x86_64: Process 16032 attached
[pid 16032] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16032] setpgid(0, 0)               = 0
[pid 16032] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16032] write(3, "1000", 4)         = 4
[pid 16032] close(3)                    = 0
[pid 16032] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 16032] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 16032] pipe2([3, 4], 0)            = 0
[pid 16032] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 16032] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 16032] sync()                      = 0
[pid 16032] exit_group(0)               = ?
[pid 16032] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16032, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 16033
./strace-static-x86_64: Process 16033 attached
[pid 16033] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16033] setpgid(0, 0)               = 0
[pid 16033] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16033] write(3, "1000", 4)         = 4
[pid 16033] close(3)                    = 0
[pid 16033] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 16033] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 16033] pipe2([3, 4], 0)            = 0
[pid 16033] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 16033] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 16033] sync()                      = 0
[pid 16033] exit_group(0)               = ?
[pid 16033] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16033, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 16034
./strace-static-x86_64: Process 16034 attached
[pid 16034] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16034] setpgid(0, 0)               = 0
[pid 16034] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16034] write(3, "1000", 4)         = 4
[pid 16034] close(3)                    = 0
[pid 16034] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 16034] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 16034] pipe2([3, 4], 0)            = 0
[pid 16034] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 16034] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 16034] sync()                      = 0
[pid 16034] exit_group(0)               = ?
[pid 16034] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16034, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 16035
./strace-static-x86_64: Process 16035 attached
[pid 16035] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16035] setpgid(0, 0)               = 0
[pid 16035] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16035] write(3, "1000", 4)         = 4
[pid 16035] close(3)                    = 0
[pid 16035] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 16035] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 16035] pipe2([3, 4], 0)            = 0
[pid 16035] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 16035] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 16035] sync()                      = 0
[pid 16035] exit_group(0)               = ?
[pid 16035] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16035, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16036 attached
, child_tidptr=0x555555bcb690) = 16036
[pid 16036] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16036] setpgid(0, 0)               = 0
[pid 16036] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16036] write(3, "1000", 4)         = 4
[pid 16036] close(3)                    = 0
[pid 16036] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 16036] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 16036] pipe2([3, 4], 0)            = 0
[pid 16036] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 16036] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 16036] sync()                      = 0
[pid 16036] exit_group(0)               = ?
[pid 16036] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16036, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16037 attached
, child_tidptr=0x555555bcb690) = 16037
[pid 16037] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16037] setpgid(0, 0)               = 0
[pid 16037] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16037] write(3, "1000", 4)         = 4
[pid 16037] close(3)                    = 0
[pid 16037] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 16037] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 16037] pipe2([3, 4], 0)            = 0
[pid 16037] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 16037] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 16037] sync()                      = 0
[pid 16037] exit_group(0)               = ?
[pid 16037] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16037, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 16038
./strace-static-x86_64: Process 16038 attached
[pid 16038] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16038] setpgid(0, 0)               = 0
[pid 16038] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16038] write(3, "1000", 4)         = 4
[pid 16038] close(3)                    = 0
[pid 16038] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 16038] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 16038] pipe2([3, 4], 0)            = 0
[pid 16038] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 16038] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 16038] sync()                      = 0
[pid 16038] exit_group(0)               = ?
[pid 16038] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16038, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 16039
./strace-static-x86_64: Process 16039 attached
[pid 16039] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16039] setpgid(0, 0)               = 0
[pid 16039] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16039] write(3, "1000", 4)         = 4
[pid 16039] close(3)                    = 0
[pid 16039] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 16039] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 16039] pipe2([3, 4], 0)            = 0
[pid 16039] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 16039] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 16039] sync()                      = 0
[pid 16039] exit_group(0)               = ?
[pid 16039] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16039, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 16040
./strace-static-x86_64: Process 16040 attached
[pid 16040] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16040] setpgid(0, 0)               = 0
[pid 16040] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16040] write(3, "1000", 4)         = 4
[pid 16040] close(3)                    = 0
[pid 16040] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 16040] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 16040] pipe2([3, 4], 0)            = 0
[pid 16040] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 16040] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 16040] sync()                      = 0
[pid 16040] exit_group(0)               = ?
[pid 16040] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16040, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 16041
./strace-static-x86_64: Process 16041 attached
[pid 16041] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16041] setpgid(0, 0)               = 0
[pid 16041] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16041] write(3, "1000", 4)         = 4
[pid 16041] close(3)                    = 0
[pid 16041] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 16041] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 16041] pipe2([3, 4], 0)            = 0
[pid 16041] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 16041] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 16041] sync()                      = 0
[pid 16041] exit_group(0)               = ?
[pid 16041] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16041, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16042 attached
, child_tidptr=0x555555bcb690) = 16042
[pid 16042] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16042] setpgid(0, 0)               = 0
[pid 16042] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16042] write(3, "1000", 4)         = 4
[pid 16042] close(3)                    = 0
[pid 16042] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 16042] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 16042] pipe2([3, 4], 0)            = 0
[pid 16042] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 16042] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 16042] sync()                      = 0
[pid 16042] exit_group(0)               = ?
[pid 16042] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16042, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16043 attached
, child_tidptr=0x555555bcb690) = 16043
[pid 16043] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16043] setpgid(0, 0)               = 0
[pid 16043] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16043] write(3, "1000", 4)         = 4
[pid 16043] close(3)                    = 0
[pid 16043] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 16043] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 16043] pipe2([3, 4], 0)            = 0
[pid 16043] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 16043] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 16043] sync()                      = 0
[pid 16043] exit_group(0)               = ?
[pid 16043] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16043, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 16044
./strace-static-x86_64: Process 16044 attached
[pid 16044] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16044] setpgid(0, 0)               = 0
[pid 16044] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16044] write(3, "1000", 4)         = 4
[pid 16044] close(3)                    = 0
[pid 16044] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 16044] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 16044] pipe2([3, 4], 0)            = 0
[pid 16044] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 16044] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 16044] sync()                      = 0
[pid 16044] exit_group(0)               = ?
[pid 16044] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16044, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16045 attached
, child_tidptr=0x555555bcb690) = 16045
[pid 16045] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16045] setpgid(0, 0)               = 0
[pid 16045] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16045] write(3, "1000", 4)         = 4
[pid 16045] close(3)                    = 0
[pid 16045] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 16045] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 16045] pipe2([3, 4], 0)            = 0
[pid 16045] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 16045] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 16045] sync()                      = 0
[pid 16045] exit_group(0)               = ?
[pid 16045] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16045, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16046 attached
, child_tidptr=0x555555bcb690) = 16046
[pid 16046] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16046] setpgid(0, 0)               = 0
[pid 16046] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16046] write(3, "1000", 4)         = 4
[pid 16046] close(3)                    = 0
[pid 16046] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 16046] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 16046] pipe2([3, 4], 0)            = 0
[pid 16046] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 16046] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 16046] sync()                      = 0
[pid 16046] exit_group(0)               = ?
[pid 16046] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16046, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16047 attached
, child_tidptr=0x555555bcb690) = 16047
[pid 16047] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16047] setpgid(0, 0)               = 0
[pid 16047] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16047] write(3, "1000", 4)         = 4
[pid 16047] close(3)                    = 0
[pid 16047] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 16047] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 16047] pipe2([3, 4], 0)            = 0
[pid 16047] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 16047] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 16047] sync()                      = 0
[pid 16047] exit_group(0)               = ?
[pid 16047] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16047, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16048 attached
, child_tidptr=0x555555bcb690) = 16048
[pid 16048] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16048] setpgid(0, 0)               = 0
[pid 16048] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16048] write(3, "1000", 4)         = 4
[pid 16048] close(3)                    = 0
[pid 16048] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 16048] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 16048] pipe2([3, 4], 0)            = 0
[pid 16048] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 16048] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 16048] sync()                      = 0
[pid 16048] exit_group(0)               = ?
[pid 16048] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16048, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16049 attached
, child_tidptr=0x555555bcb690) = 16049
[pid 16049] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16049] setpgid(0, 0)               = 0
[pid 16049] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16049] write(3, "1000", 4)         = 4
[pid 16049] close(3)                    = 0
[pid 16049] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 16049] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 16049] pipe2([3, 4], 0)            = 0
[pid 16049] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 16049] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 16049] sync()                      = 0
[pid 16049] exit_group(0)               = ?
[pid 16049] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16049, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16050 attached
, child_tidptr=0x555555bcb690) = 16050
[pid 16050] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16050] setpgid(0, 0)               = 0
[pid 16050] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16050] write(3, "1000", 4)         = 4
[pid 16050] close(3)                    = 0
[pid 16050] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 16050] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 16050] pipe2([3, 4], 0)            = 0
[pid 16050] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 16050] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 16050] sync()                      = 0
[pid 16050] exit_group(0)               = ?
[pid 16050] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16050, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 16051
./strace-static-x86_64: Process 16051 attached
[pid 16051] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16051] setpgid(0, 0)               = 0
[pid 16051] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16051] write(3, "1000", 4)         = 4
[pid 16051] close(3)                    = 0
[pid 16051] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 16051] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 16051] pipe2([3, 4], 0)            = 0
[pid 16051] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 16051] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 16051] sync()                      = 0
[pid 16051] exit_group(0)               = ?
[pid 16051] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16051, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 16052
./strace-static-x86_64: Process 16052 attached
[pid 16052] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16052] setpgid(0, 0)               = 0
[pid 16052] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16052] write(3, "1000", 4)         = 4
[pid 16052] close(3)                    = 0
[pid 16052] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 16052] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 16052] pipe2([3, 4], 0)            = 0
[pid 16052] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 16052] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 16052] sync()                      = 0
[pid 16052] exit_group(0)               = ?
[pid 16052] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16052, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 16053
./strace-static-x86_64: Process 16053 attached
[pid 16053] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16053] setpgid(0, 0)               = 0
[pid 16053] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16053] write(3, "1000", 4)         = 4
[pid 16053] close(3)                    = 0
[pid 16053] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 16053] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 16053] pipe2([3, 4], 0)            = 0
[pid 16053] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 16053] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 16053] sync()                      = 0
[pid 16053] exit_group(0)               = ?
[pid 16053] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16053, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 16054
./strace-static-x86_64: Process 16054 attached
[pid 16054] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16054] setpgid(0, 0)               = 0
[pid 16054] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16054] write(3, "1000", 4)         = 4
[pid 16054] close(3)                    = 0
[pid 16054] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 16054] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 16054] pipe2([3, 4], 0)            = 0
[pid 16054] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 16054] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 16054] sync()                      = 0
[pid 16054] exit_group(0)               = ?
[pid 16054] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16054, si_uid=0, si_status=0, si_utime=1, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16055 attached
, child_tidptr=0x555555bcb690) = 16055
[pid 16055] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16055] setpgid(0, 0)               = 0
[pid 16055] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16055] write(3, "1000", 4)         = 4
[pid 16055] close(3)                    = 0
[pid 16055] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 16055] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 16055] pipe2([3, 4], 0)            = 0
[pid 16055] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 16055] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 16055] sync()                      = 0
[pid 16055] exit_group(0)               = ?
[pid 16055] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16055, si_uid=0, si_status=0, si_utime=1, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16056 attached
, child_tidptr=0x555555bcb690) = 16056
[pid 16056] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16056] setpgid(0, 0)               = 0
[pid 16056] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16056] write(3, "1000", 4)         = 4
[pid 16056] close(3)                    = 0
[pid 16056] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 16056] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 16056] pipe2([3, 4], 0)            = 0
[pid 16056] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 16056] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 16056] sync()                      = 0
[pid 16056] exit_group(0)               = ?
[pid 16056] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16056, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 16057
./strace-static-x86_64: Process 16057 attached
[pid 16057] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16057] setpgid(0, 0)               = 0
[pid 16057] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16057] write(3, "1000", 4)         = 4
[pid 16057] close(3)                    = 0
[pid 16057] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 16057] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 16057] pipe2([3, 4], 0)            = 0
[pid 16057] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 16057] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 16057] sync()                      = 0
[pid 16057] exit_group(0)               = ?
[pid 16057] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16057, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 16058
./strace-static-x86_64: Process 16058 attached
[pid 16058] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16058] setpgid(0, 0)               = 0
[pid 16058] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16058] write(3, "1000", 4)         = 4
[pid 16058] close(3)                    = 0
[pid 16058] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 16058] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 16058] pipe2([3, 4], 0)            = 0
[pid 16058] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 16058] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 16058] sync()                      = 0
[pid 16058] exit_group(0)               = ?
[pid 16058] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16058, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555bcb690) = 16060
./strace-static-x86_64: Process 16060 attached
[pid 16060] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16060] setpgid(0, 0)               = 0
[pid 16060] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16060] write(3, "1000", 4)         = 4
[pid 16060] close(3)                    = 0
[pid 16060] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 16060] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 16060] pipe2([3, 4], 0)            = 0
[pid 16060] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 16060] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 16060] sync()                      = 0
[pid 16060] exit_group(0)               = ?
[pid 16060] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16060, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16061 attached
, child_tidptr=0x555555bcb690) = 16061
[pid 16061] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16061] setpgid(0, 0)               = 0
[pid 16061] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16061] write(3, "1000", 4)         = 4
[pid 16061] close(3)                    = 0
[pid 16061] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 16061] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 16061] pipe2([3, 4], 0)            = 0
[pid 16061] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 16061] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 16061] sync()                      = 0
[pid 16061] exit_group(0)               = ?
[pid 16061] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16061, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16062 attached
, child_tidptr=0x555555bcb690) = 16062
[pid 16062] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16062] setpgid(0, 0)               = 0
[pid 16062] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16062] write(3, "1000", 4)         = 4
[pid 16062] close(3)                    = 0
[pid 16062] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 16062] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 16062] pipe2([3, 4], 0)            = 0
[pid 16062] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 16062] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 16062] sync()                      = 0
[pid 16062] exit_group(0)               = ?
[pid 16062] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16062, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16063 attached
, child_tidptr=0x555555bcb690) = 16063
[pid 16063] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16063] setpgid(0, 0)               = 0
[pid 16063] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16063] write(3, "1000", 4)         = 4
[pid 16063] close(3)                    = 0
[pid 16063] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 16063] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 16063] pipe2([3, 4], 0)            = 0
[pid 16063] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 16063] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 16063] sync()                      = 0
[pid 16063] exit_group(0)               = ?
[pid 16063] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16063, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16064 attached
, child_tidptr=0x555555bcb690) = 16064
[pid 16064] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16064] setpgid(0, 0)               = 0
[pid 16064] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16064] write(3, "1000", 4)         = 4
[pid 16064] close(3)                    = 0
[pid 16064] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 16064] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 16064] pipe2([3, 4], 0)            = 0
[pid 16064] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 16064] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 16064] sync()                      = 0
[pid 16064] exit_group(0)               = ?
[pid 16064] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16064, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16065 attached
, child_tidptr=0x555555bcb690) = 16065
[pid 16065] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16065] setpgid(0, 0)               = 0
[pid 16065] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16065] write(3, "1000", 4)         = 4
[pid 16065] close(3)                    = 0
[pid 16065] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 16065] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 16065] pipe2([3, 4], 0)            = 0
[pid 16065] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 16065] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 16065] sync()                      = 0
[pid 16065] exit_group(0)               = ?
[pid 16065] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16065, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16066 attached
, child_tidptr=0x555555bcb690) = 16066
[pid 16066] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16066] setpgid(0, 0)               = 0
[pid 16066] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16066] write(3, "1000", 4)         = 4
[pid 16066] close(3)                    = 0
[pid 16066] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 16066] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 16066] pipe2([3, 4], 0)            = 0
[pid 16066] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[pid 16066] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,") = -1 EINVAL (Invalid argument)
[pid 16066] sync()                      = 0
[pid 16066] exit_group(0)               = ?
[pid 16066] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16066, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 16067 attached
, child_tidptr=0x555555bcb690) = 16067
[pid 16067] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 16067] setpgid(0, 0)               = 0
[pid 16067] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 16067] write(3, "1000", 4)         = 4
[pid 16067] close(3)                    = 0
[pid 16067] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid 16067] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 16067] pipe2([3, 4], 0)            = 0
[pid 16067] write(4, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 21) = 21
[  214.064657][  T141] 
[  214.067018][  T141] ============================================
[  214.073149][  T141] WARNING: possible recursive locking detected
[  214.079284][  T141] 5.19.0-syzkaller-13930-g7ebfc85e2cd7 #0 Not tainted
[  214.086025][  T141] --------------------------------------------
[  214.092156][  T141] kworker/1:2/141 is trying to acquire lock:
[  214.098118][  T141] ffff88802361e418 (&clnt->lock){+.+.}-{2:2}, at: p9_req_put+0xc6/0x250
[  214.106467][  T141] 
[  214.106467][  T141] but task is already holding lock:
[  214.113818][  T141] ffff88802361e418 (&clnt->lock){+.+.}-{2:2}, at: p9_conn_cancel+0xaa/0x970
[  214.122610][  T141] 
[  214.122610][  T141] other info that might help us debug this:
[  214.130650][  T141]  Possible unsafe locking scenario:
[  214.130650][  T141] 
[  214.138081][  T141]        CPU0
[  214.141358][  T141]        ----
[  214.144638][  T141]   lock(&clnt->lock);
[  214.148693][  T141]   lock(&clnt->lock);
[  214.152746][  T141] 
[  214.152746][  T141]  *** DEADLOCK ***
[  214.152746][  T141] 
[  214.160885][  T141]  May be due to missing lock nesting notation
[  214.160885][  T141] 
[  214.169201][  T141] 3 locks held by kworker/1:2/141:
[  214.174305][  T141]  #0: ffff888011864d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x87a/0x1610
[  214.184664][  T141]  #1: ffffc9000292fda8 ((work_completion)(&m->rq)){+.+.}-{0:0}, at: process_one_work+0x8ae/0x1610
[  214.195362][  T141]  #2: ffff88802361e418 (&clnt->lock){+.+.}-{2:2}, at: p9_conn_cancel+0xaa/0x970
[  214.204495][  T141] 
[  214.204495][  T141] stack backtrace:
[  214.210371][  T141] CPU: 1 PID: 141 Comm: kworker/1:2 Not tainted 5.19.0-syzkaller-13930-g7ebfc85e2cd7 #0
[  214.220075][  T141] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
[  214.230206][  T141] Workqueue: events p9_read_work
[  214.235138][  T141] Call Trace:
[  214.238402][  T141]  <TASK>
[  214.241317][  T141]  dump_stack_lvl+0xcd/0x134
[  214.245897][  T141]  __lock_acquire.cold+0x116/0x3a7
[  214.251001][  T141]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[  214.256976][  T141]  ? __wake_up_common_lock+0xde/0x130
[  214.262340][  T141]  lock_acquire+0x1ab/0x570
[  214.266831][  T141]  ? p9_req_put+0xc6/0x250
[  214.271238][  T141]  ? lock_release+0x780/0x780
[  214.275908][  T141]  ? __wake_up_common_lock+0xde/0x130
[  214.281278][  T141]  ? __wake_up_common+0x650/0x650
[  214.286292][  T141]  ? lock_release+0x780/0x780
[  214.290956][  T141]  ? _raw_spin_lock_irqsave+0x4e/0x50
[  214.296321][  T141]  _raw_spin_lock_irqsave+0x39/0x50
[  214.301512][  T141]  ? p9_req_put+0xc6/0x250
[  214.306095][  T141]  p9_req_put+0xc6/0x250
[  214.310327][  T141]  p9_conn_cancel+0x640/0x970
[  214.314994][  T141]  ? p9_fcall_fini+0xa0/0xa0
[  214.319570][  T141]  ? p9_fd_create_tcp+0x510/0x510
[  214.324585][  T141]  p9_read_work+0x514/0x10c0
[  214.329204][  T141]  ? do_raw_spin_lock+0x120/0x2a0
[  214.334223][  T141]  ? p9_conn_cancel+0x970/0x970
[  214.339064][  T141]  process_one_work+0x991/0x1610
[  214.343996][  T141]  ? pwq_dec_nr_in_flight+0x2a0/0x2a0
[  214.349361][  T141]  ? rwlock_bug.part.0+0x90/0x90
[  214.354293][  T141]  ? _raw_spin_lock_irq+0x41/0x50
[  214.359314][  T141]  worker_thread+0x665/0x1080
[  214.363986][  T141]  ? process_one_work+0x1610/0x1610
[  214.369175][  T141]  kthread+0x2e4/0x3a0
[  214.373231][  T141]  ? kthread_complete_and_exit+0x40/0x40
[  214.378854][  T141]  ret_from_fork+0x1f/0x30
[  214.383263][  T141]  </TASK>