./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2152575440

<...>
forked to background, child pid 3184
no interfaces have a carrier
[   23.616107][ T3185] 8021q: adding VLAN 0 to HW filter on device bond0
[   23.624822][ T3185] eql: remember to turn off Van-Jacobson compression on your slave devices
Starting sshd: OK

syzkaller
Warning: Permanently added '10.128.0.63' (ECDSA) to the list of known hosts.
execve("./syz-executor2152575440", ["./syz-executor2152575440"], 0x7ffc1c59e6a0 /* 10 vars */) = 0
brk(NULL)                               = 0x555556ecc000
brk(0x555556eccd00)                     = 0x555556eccd00
arch_prctl(ARCH_SET_FS, 0x555556ecc3c0) = 0
uname({sysname="Linux", nodename="syzkaller", ...}) = 0
readlink("/proc/self/exe", "/root/syz-executor2152575440", 4096) = 28
brk(0x555556eedd00)                     = 0x555556eedd00
brk(0x555556eee000)                     = 0x555556eee000
mprotect(0x7fcb4f893000, 16384, PROT_READ) = 0
mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000
mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000
mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000
rt_sigaction(SIGRTMIN, {sa_handler=SIG_IGN, sa_mask=[], sa_flags=0}, NULL, 8) = 0
rt_sigaction(SIGRT_1, {sa_handler=SIG_IGN, sa_mask=[], sa_flags=0}, NULL, 8) = 0
rt_sigaction(SIGSEGV, {sa_handler=0x7fcb4f7e40a0, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7fcb4f7e4bb0}, NULL, 8) = 0
rt_sigaction(SIGBUS, {sa_handler=0x7fcb4f7e40a0, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7fcb4f7e4bb0}, NULL, 8) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556ecc690) = 3606
./strace-static-x86_64: Process 3606 attached
[pid  3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  3606] openat(AT_FDCWD, "/dev/loop0", O_RDWR./strace-static-x86_64: Process 3607 attached
 <unfinished ...>
[pid  3605] <... clone resumed>, child_tidptr=0x555556ecc690) = 3607
[pid  3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  3606] <... openat resumed>)       = 3
[pid  3606] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3606] close(3 <unfinished ...>
[pid  3605] <... clone resumed>, child_tidptr=0x555556ecc690) = 3608
[pid  3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556ecc690) = 3609
[pid  3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556ecc690) = 3610
[pid  3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556ecc690) = 3611
[pid  3607] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3
[pid  3607] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3607] close(3)                    = 0
[pid  3607] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556ecc690) = 3612
./strace-static-x86_64: Process 3609 attached
[pid  3609] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3
[pid  3609] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3609] close(3)                    = 0
./strace-static-x86_64: Process 3610 attached
./strace-static-x86_64: Process 3608 attached
[pid  3606] <... close resumed>)        = 0
./strace-static-x86_64: Process 3611 attached
[pid  3606] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  3609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  3606] <... clone resumed>, child_tidptr=0x555556ecc690) = 3614
[pid  3611] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid  3608] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid  3610] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid  3609] <... clone resumed>, child_tidptr=0x555556ecc690) = 3615
[pid  3608] <... openat resumed>)       = 3
[pid  3610] <... openat resumed>)       = 3
[pid  3611] <... openat resumed>)       = 3
[pid  3608] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 3612 attached
 <unfinished ...>
[pid  3611] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  3610] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  3608] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  3610] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
./strace-static-x86_64: Process 3614 attached
[pid  3610] close(3 <unfinished ...>
[pid  3608] close(3 <unfinished ...>
[pid  3614] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3612] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3611] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  3610] <... close resumed>)        = 0
[pid  3608] <... close resumed>)        = 0
[pid  3612] <... prctl resumed>)        = 0
[pid  3611] close(3 <unfinished ...>
[pid  3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  3612] setpgid(0, 0)               = 0
[pid  3611] <... close resumed>)        = 0
[pid  3614] setpgid(0, 0)               = 0
[pid  3612] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  3614] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3612] <... openat resumed>)       = 3
[pid  3614] <... openat resumed>)       = 3
[pid  3612] write(3, "1000", 4 <unfinished ...>
[pid  3610] <... clone resumed>, child_tidptr=0x555556ecc690) = 3616
[pid  3612] <... write resumed>)        = 4
[pid  3611] <... clone resumed>, child_tidptr=0x555556ecc690) = 3617
[pid  3614] write(3, "1000", 4)         = 4
[pid  3614] close(3)                    = 0
[pid  3614] mkdir("./file0", 0777 <unfinished ...>
[pid  3612] close(3./strace-static-x86_64: Process 3617 attached
./strace-static-x86_64: Process 3616 attached
)                    = 0
[pid  3608] <... clone resumed>, child_tidptr=0x555556ecc690) = 3618
[pid  3612] mkdir("./file0", 0777 <unfinished ...>
[pid  3616] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3617] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3616] setpgid(0, 0 <unfinished ...>
[pid  3617] <... prctl resumed>)        = 0
[pid  3616] <... setpgid resumed>)      = 0
[pid  3617] setpgid(0, 0)               = 0
[pid  3616] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3617] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3616] <... openat resumed>)       = 3
[pid  3617] write(3, "1000", 4 <unfinished ...>
[pid  3616] write(3, "1000", 4 <unfinished ...>
[pid  3617] <... write resumed>)        = 4
[pid  3616] <... write resumed>)        = 4
[pid  3617] close(3 <unfinished ...>
[pid  3616] close(3)                    = 0
[pid  3617] <... close resumed>)        = 0
[pid  3614] <... mkdir resumed>)        = 0
[pid  3612] <... mkdir resumed>)        = -1 EEXIST (File exists)
[pid  3617] mkdir("./file0", 0777 <unfinished ...>
[pid  3616] mkdir("./file0", 0777 <unfinished ...>
[pid  3612] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3617] <... mkdir resumed>)        = -1 EEXIST (File exists)
[pid  3616] <... mkdir resumed>)        = -1 EEXIST (File exists)
[pid  3612] pipe2(./strace-static-x86_64: Process 3615 attached
 <unfinished ...>
[pid  3617] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3616] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3614] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3612] <... pipe2 resumed>[3, 4], 0) = 0
[pid  3617] pipe2( <unfinished ...>
[pid  3616] pipe2( <unfinished ...>
[pid  3615] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3614] pipe2( <unfinished ...>
[pid  3612] dup(4 <unfinished ...>
[pid  3617] <... pipe2 resumed>[3, 4], 0) = 0
[pid  3616] <... pipe2 resumed>[3, 4], 0) = 0
[pid  3615] <... prctl resumed>)        = 0
[pid  3614] <... pipe2 resumed>[3, 4], 0) = 0
[pid  3612] <... dup resumed>)          = 5
./strace-static-x86_64: Process 3618 attached
[pid  3617] dup(4 <unfinished ...>
[pid  3616] dup(4 <unfinished ...>
[pid  3615] setpgid(0, 0 <unfinished ...>
[pid  3614] dup(4 <unfinished ...>
[pid  3612] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3617] <... dup resumed>)          = 5
[pid  3616] <... dup resumed>)          = 5
[pid  3618] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3615] <... setpgid resumed>)      = 0
[pid  3614] <... dup resumed>)          = 5
[pid  3618] <... prctl resumed>)        = 0
[pid  3617] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3616] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3615] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3614] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3618] setpgid(0, 0 <unfinished ...>
[pid  3615] <... openat resumed>)       = 3
[pid  3618] <... setpgid resumed>)      = 0
[pid  3615] write(3, "1000", 4 <unfinished ...>
[pid  3618] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3615] <... write resumed>)        = 4
[pid  3618] <... openat resumed>)       = 3
[pid  3615] close(3 <unfinished ...>
[pid  3618] write(3, "1000", 4 <unfinished ...>
[pid  3615] <... close resumed>)        = 0
[pid  3618] <... write resumed>)        = 4
[pid  3615] mkdir("./file0", 0777 <unfinished ...>
[pid  3618] close(3 <unfinished ...>
[pid  3615] <... mkdir resumed>)        = -1 EEXIST (File exists)
[pid  3618] <... close resumed>)        = 0
[pid  3615] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3618] mkdir("./file0", 0777 <unfinished ...>
[pid  3615] pipe2( <unfinished ...>
[pid  3618] <... mkdir resumed>)        = -1 EEXIST (File exists)
[pid  3615] <... pipe2 resumed>[3, 4], 0) = 0
[pid  3618] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3615] dup(4 <unfinished ...>
[pid  3618] pipe2( <unfinished ...>
[pid  3615] <... dup resumed>)          = 5
[pid  3618] <... pipe2 resumed>[3, 4], 0) = 0
[pid  3615] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3618] dup(4)                      = 5
[pid  3618] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3612] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3612] exit_group(0)               = ?
[pid  3612] +++ exited with 0 +++
[pid  3607] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3612, si_uid=0, si_status=0, si_utime=0, si_stime=4} ---
[pid  3607] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3
[pid  3607] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3607] close(3)                    = 0
[pid  3607] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556ecc690) = 3620
./strace-static-x86_64: Process 3620 attached
[pid  3620] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3620] setpgid(0, 0)               = 0
[pid  3620] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3620] write(3, "1000", 4)         = 4
[pid  3620] close(3)                    = 0
[pid  3620] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3620] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3620] pipe2([3, 4], 0)            = 0
[pid  3620] dup(4)                      = 5
[pid  3620] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3617] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3617] exit_group(0)               = ?
[pid  3617] +++ exited with 0 +++
[pid  3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3617, si_uid=0, si_status=0, si_utime=0, si_stime=3} ---
[pid  3611] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3
[pid  3611] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3611] close(3)                    = 0
[pid  3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556ecc690) = 3621
./strace-static-x86_64: Process 3621 attached
[pid  3621] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3621] setpgid(0, 0)               = 0
[pid  3621] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3621] write(3, "1000", 4)         = 4
[pid  3621] close(3)                    = 0
[pid  3621] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3621] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3621] pipe2([3, 4], 0)            = 0
[pid  3621] dup(4)                      = 5
[pid  3621] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3614] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3614] exit_group(0)               = ?
[pid  3614] +++ exited with 0 +++
[pid  3606] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3614, si_uid=0, si_status=0, si_utime=0, si_stime=3} ---
[pid  3606] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
[pid  3606] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3606] close(3)                    = 0
[pid  3606] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556ecc690) = 3622
./strace-static-x86_64: Process 3622 attached
[pid  3622] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3622] setpgid(0, 0)               = 0
[pid  3622] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3622] write(3, "1000", 4)         = 4
[pid  3622] close(3)                    = 0
[pid  3622] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3622] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3622] pipe2([3, 4], 0)            = 0
[pid  3622] dup(4)                      = 5
[pid  3622] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3616] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3616] exit_group(0)               = ?
[pid  3616] +++ exited with 0 +++
[pid  3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3616, si_uid=0, si_status=0, si_utime=0, si_stime=3} ---
[pid  3610] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3
[pid  3610] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3610] close(3)                    = 0
[pid  3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556ecc690) = 3624
./strace-static-x86_64: Process 3624 attached
[pid  3624] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3624] setpgid(0, 0)               = 0
[pid  3624] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3624] write(3, "1000", 4)         = 4
[pid  3624] close(3)                    = 0
[pid  3624] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3624] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3624] pipe2([3, 4], 0)            = 0
[pid  3624] dup(4)                      = 5
[pid  3624] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3615] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3615] exit_group(0)               = ?
[pid  3615] +++ exited with 0 +++
[pid  3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3615, si_uid=0, si_status=0, si_utime=0, si_stime=4} ---
[pid  3609] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  3609] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3
[pid  3609] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3609] close(3)                    = 0
[pid  3609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556ecc690) = 3625
./strace-static-x86_64: Process 3625 attached
[pid  3625] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3625] setpgid(0, 0)               = 0
[pid  3625] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3625] write(3, "1000", 4)         = 4
[pid  3625] close(3)                    = 0
[pid  3625] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3625] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3625] pipe2([3, 4], 0)            = 0
[pid  3625] dup(4)                      = 5
[pid  3625] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3621] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3621] exit_group(0)               = ?
[pid  3621] +++ exited with 0 +++
[pid  3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3621, si_uid=0, si_status=0, si_utime=0, si_stime=3} ---
[pid  3611] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  3611] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3
[pid  3611] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3611] close(3)                    = 0
[pid  3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556ecc690) = 3626
./strace-static-x86_64: Process 3626 attached
[pid  3626] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3626] setpgid(0, 0)               = 0
[pid  3626] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3626] write(3, "1000", 4)         = 4
[pid  3626] close(3)                    = 0
[pid  3626] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3626] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3626] pipe2([3, 4], 0)            = 0
[pid  3626] dup(4)                      = 5
[pid  3626] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3620] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3620] exit_group(0)               = ?
[pid  3620] +++ exited with 0 +++
[pid  3607] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3620, si_uid=0, si_status=0, si_utime=0, si_stime=4} ---
[pid  3607] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3
[pid  3607] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3607] close(3)                    = 0
[pid  3607] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556ecc690) = 3627
./strace-static-x86_64: Process 3627 attached
[pid  3627] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3627] setpgid(0, 0)               = 0
[pid  3627] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3627] write(3, "1000", 4)         = 4
[pid  3627] close(3)                    = 0
[pid  3627] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3627] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3627] pipe2([3, 4], 0)            = 0
[pid  3627] dup(4)                      = 5
[pid  3627] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3622] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3622] exit_group(0)               = ?
[pid  3622] +++ exited with 0 +++
[pid  3606] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3622, si_uid=0, si_status=0, si_utime=0, si_stime=4} ---
[pid  3606] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  3606] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
[pid  3606] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3606] close(3)                    = 0
[pid  3606] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556ecc690) = 3628
./strace-static-x86_64: Process 3628 attached
[pid  3628] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3628] setpgid(0, 0)               = 0
[pid  3628] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3628] write(3, "1000", 4)         = 4
[pid  3628] close(3)                    = 0
[pid  3628] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3628] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3628] pipe2([3, 4], 0)            = 0
[pid  3628] dup(4)                      = 5
[pid  3628] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3618] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3618] exit_group(0)               = ?
[pid  3618] +++ exited with 0 +++
[pid  3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3618, si_uid=0, si_status=0, si_utime=0, si_stime=3} ---
[pid  3608] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3
[pid  3608] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3608] close(3)                    = 0
[pid  3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556ecc690) = 3629
./strace-static-x86_64: Process 3629 attached
[pid  3629] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3629] setpgid(0, 0)               = 0
[pid  3629] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3629] write(3, "1000", 4)         = 4
[pid  3629] close(3)                    = 0
[pid  3629] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3629] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3629] pipe2([3, 4], 0)            = 0
[pid  3629] dup(4)                      = 5
[pid  3629] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3625] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3625] exit_group(0)               = ?
[pid  3625] +++ exited with 0 +++
[pid  3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3625, si_uid=0, si_status=0, si_utime=0, si_stime=3} ---
[pid  3609] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  3609] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3
[pid  3609] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3609] close(3)                    = 0
[pid  3609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556ecc690) = 3630
./strace-static-x86_64: Process 3630 attached
[pid  3630] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3630] setpgid(0, 0)               = 0
[pid  3630] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3630] write(3, "1000", 4)         = 4
[pid  3630] close(3)                    = 0
[pid  3630] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3630] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3630] pipe2([3, 4], 0)            = 0
[pid  3630] dup(4)                      = 5
[pid  3630] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3624] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3624] exit_group(0)               = ?
[pid  3624] +++ exited with 0 +++
[pid  3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3624, si_uid=0, si_status=0, si_utime=0, si_stime=4} ---
[pid  3610] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  3610] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3
[pid  3610] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3610] close(3)                    = 0
[pid  3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556ecc690) = 3631
./strace-static-x86_64: Process 3631 attached
[pid  3631] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3631] setpgid(0, 0)               = 0
[pid  3631] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3631] write(3, "1000", 4)         = 4
[pid  3631] close(3)                    = 0
[pid  3631] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3631] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3631] pipe2([3, 4], 0)            = 0
[pid  3631] dup(4)                      = 5
[pid  3631] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3627] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3627] exit_group(0)               = ?
[pid  3627] +++ exited with 0 +++
[pid  3607] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3627, si_uid=0, si_status=0, si_utime=0, si_stime=3} ---
[pid  3607] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  3607] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3
[pid  3607] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3607] close(3)                    = 0
[pid  3607] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556ecc690) = 3632
./strace-static-x86_64: Process 3632 attached
[pid  3632] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3632] setpgid(0, 0)               = 0
[pid  3632] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3632] write(3, "1000", 4)         = 4
[pid  3632] close(3)                    = 0
[pid  3632] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3632] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3632] pipe2([3, 4], 0)            = 0
[pid  3632] dup(4)                      = 5
[pid  3632] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3626] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3626] exit_group(0)               = ?
[pid  3626] +++ exited with 0 +++
[pid  3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3626, si_uid=0, si_status=0, si_utime=0, si_stime=3} ---
[pid  3611] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3
[pid  3611] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3611] close(3)                    = 0
[pid  3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556ecc690) = 3633
./strace-static-x86_64: Process 3633 attached
[pid  3633] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3633] setpgid(0, 0)               = 0
[pid  3633] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3633] write(3, "1000", 4)         = 4
[pid  3633] close(3)                    = 0
[pid  3633] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3633] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3633] pipe2([3, 4], 0)            = 0
[pid  3633] dup(4)                      = 5
[pid  3633] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3628] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3628] exit_group(0)               = ?
[pid  3628] +++ exited with 0 +++
[pid  3606] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3628, si_uid=0, si_status=0, si_utime=0, si_stime=3} ---
[pid  3606] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  3606] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
[pid  3606] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3606] close(3)                    = 0
[pid  3606] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556ecc690) = 3634
./strace-static-x86_64: Process 3634 attached
[pid  3634] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3634] setpgid(0, 0)               = 0
[pid  3634] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3634] write(3, "1000", 4)         = 4
[pid  3634] close(3)                    = 0
[pid  3634] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3634] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3634] pipe2([3, 4], 0)            = 0
[pid  3634] dup(4)                      = 5
[pid  3634] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3630] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3630] exit_group(0)               = ?
[pid  3630] +++ exited with 0 +++
[pid  3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3630, si_uid=0, si_status=0, si_utime=0, si_stime=3} ---
[pid  3609] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  3609] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3
[pid  3609] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3609] close(3)                    = 0
[pid  3609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556ecc690) = 3635
./strace-static-x86_64: Process 3635 attached
[pid  3635] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3635] setpgid(0, 0)               = 0
[pid  3635] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3635] write(3, "1000", 4)         = 4
[pid  3635] close(3)                    = 0
[pid  3635] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3635] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3635] pipe2([3, 4], 0)            = 0
[pid  3635] dup(4)                      = 5
[pid  3635] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3629] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3629] exit_group(0)               = ?
[pid  3629] +++ exited with 0 +++
[pid  3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3629, si_uid=0, si_status=0, si_utime=0, si_stime=4} ---
[pid  3608] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  3608] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3
[pid  3608] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3608] close(3)                    = 0
[pid  3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556ecc690) = 3636
./strace-static-x86_64: Process 3636 attached
[pid  3636] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3636] setpgid(0, 0)               = 0
[pid  3636] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3636] write(3, "1000", 4)         = 4
[pid  3636] close(3)                    = 0
[pid  3636] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3636] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3636] pipe2([3, 4], 0)            = 0
[pid  3636] dup(4)                      = 5
[pid  3636] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3631] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3631] exit_group(0)               = ?
[pid  3631] +++ exited with 0 +++
[pid  3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3631, si_uid=0, si_status=0, si_utime=0, si_stime=3} ---
[pid  3610] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3
[pid  3610] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3610] close(3)                    = 0
[pid  3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556ecc690) = 3637
./strace-static-x86_64: Process 3637 attached
[pid  3637] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3637] setpgid(0, 0)               = 0
[pid  3637] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3637] write(3, "1000", 4)         = 4
[pid  3637] close(3)                    = 0
[pid  3637] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3637] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3637] pipe2([3, 4], 0)            = 0
[pid  3637] dup(4)                      = 5
[pid  3637] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3632] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3632] exit_group(0)               = ?
[pid  3632] +++ exited with 0 +++
[pid  3607] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3632, si_uid=0, si_status=0, si_utime=0, si_stime=2} ---
[pid  3607] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  3607] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3
[pid  3607] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3607] close(3)                    = 0
[pid  3607] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556ecc690) = 3638
./strace-static-x86_64: Process 3638 attached
[pid  3638] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3638] setpgid(0, 0)               = 0
[pid  3638] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3638] write(3, "1000", 4)         = 4
[pid  3638] close(3)                    = 0
[pid  3638] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3638] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3638] pipe2([3, 4], 0)            = 0
[pid  3638] dup(4)                      = 5
[pid  3638] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3633] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3633] exit_group(0)               = ?
[pid  3633] +++ exited with 0 +++
[pid  3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3633, si_uid=0, si_status=0, si_utime=0, si_stime=3} ---
[pid  3611] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  3611] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3
[pid  3611] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3611] close(3)                    = 0
[pid  3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556ecc690) = 3639
./strace-static-x86_64: Process 3639 attached
[pid  3639] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3639] setpgid(0, 0)               = 0
[pid  3639] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3639] write(3, "1000", 4)         = 4
[pid  3639] close(3)                    = 0
[pid  3639] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3639] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3639] pipe2([3, 4], 0)            = 0
[pid  3639] dup(4)                      = 5
[pid  3639] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3634] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3634] exit_group(0)               = ?
[pid  3634] +++ exited with 0 +++
[pid  3606] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3634, si_uid=0, si_status=0, si_utime=0, si_stime=3} ---
[pid  3606] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  3606] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
[pid  3606] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3606] close(3)                    = 0
[pid  3606] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556ecc690) = 3640
./strace-static-x86_64: Process 3640 attached
[pid  3640] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3640] setpgid(0, 0)               = 0
[pid  3640] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3640] write(3, "1000", 4)         = 4
[pid  3640] close(3)                    = 0
[pid  3640] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3640] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3640] pipe2([3, 4], 0)            = 0
[pid  3640] dup(4)                      = 5
[pid  3640] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3635] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3635] exit_group(0)               = ?
[pid  3635] +++ exited with 0 +++
[pid  3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3635, si_uid=0, si_status=0, si_utime=0, si_stime=3} ---
[pid  3609] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  3609] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3
[pid  3609] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3609] close(3)                    = 0
[pid  3609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556ecc690) = 3641
./strace-static-x86_64: Process 3641 attached
[pid  3641] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3641] setpgid(0, 0)               = 0
[pid  3641] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3641] write(3, "1000", 4)         = 4
[pid  3641] close(3)                    = 0
[pid  3641] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3641] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3641] pipe2([3, 4], 0)            = 0
[pid  3641] dup(4)                      = 5
[pid  3641] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3636] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3636] exit_group(0)               = ?
[pid  3636] +++ exited with 0 +++
[pid  3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3636, si_uid=0, si_status=0, si_utime=0, si_stime=3} ---
[pid  3608] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  3608] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3
[pid  3608] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3608] close(3)                    = 0
[pid  3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556ecc690) = 3642
./strace-static-x86_64: Process 3642 attached
[pid  3642] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3642] setpgid(0, 0)               = 0
[pid  3642] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3642] write(3, "1000", 4)         = 4
[pid  3642] close(3)                    = 0
[pid  3642] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3642] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3642] pipe2([3, 4], 0)            = 0
[pid  3642] dup(4)                      = 5
[pid  3642] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3637] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3637] exit_group(0)               = ?
[pid  3637] +++ exited with 0 +++
[pid  3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3637, si_uid=0, si_status=0, si_utime=0, si_stime=3} ---
[pid  3610] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  3610] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3
[pid  3610] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3610] close(3)                    = 0
[pid  3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556ecc690) = 3643
./strace-static-x86_64: Process 3643 attached
[pid  3643] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3643] setpgid(0, 0)               = 0
[pid  3643] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3643] write(3, "1000", 4)         = 4
[pid  3643] close(3)                    = 0
[pid  3643] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3643] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3643] pipe2([3, 4], 0)            = 0
[pid  3643] dup(4)                      = 5
[pid  3643] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3638] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3638] exit_group(0)               = ?
[pid  3638] +++ exited with 0 +++
[pid  3607] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3638, si_uid=0, si_status=0, si_utime=0, si_stime=3} ---
[pid  3607] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3
[pid  3607] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3607] close(3)                    = 0
[pid  3607] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556ecc690) = 3644
./strace-static-x86_64: Process 3644 attached
[pid  3644] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3644] setpgid(0, 0)               = 0
[pid  3644] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3644] write(3, "1000", 4)         = 4
[pid  3644] close(3)                    = 0
[pid  3644] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3644] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3644] pipe2([3, 4], 0)            = 0
[pid  3644] dup(4)                      = 5
[pid  3644] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3640] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3640] exit_group(0)               = ?
[pid  3640] +++ exited with 0 +++
[pid  3606] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3640, si_uid=0, si_status=0, si_utime=0, si_stime=3} ---
[pid  3606] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  3606] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
[pid  3606] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3606] close(3)                    = 0
[pid  3606] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556ecc690) = 3645
./strace-static-x86_64: Process 3645 attached
[pid  3645] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3645] setpgid(0, 0)               = 0
[pid  3645] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3645] write(3, "1000", 4)         = 4
[pid  3645] close(3)                    = 0
[pid  3645] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3645] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3645] pipe2([3, 4], 0)            = 0
[pid  3645] dup(4)                      = 5
[pid  3645] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3639] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3639] exit_group(0)               = ?
[pid  3639] +++ exited with 0 +++
[pid  3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3639, si_uid=0, si_status=0, si_utime=0, si_stime=3} ---
[pid  3611] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  3611] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3
[pid  3611] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3611] close(3)                    = 0
[pid  3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556ecc690) = 3646
./strace-static-x86_64: Process 3646 attached
[pid  3646] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3646] setpgid(0, 0)               = 0
[pid  3646] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3646] write(3, "1000", 4)         = 4
[pid  3646] close(3)                    = 0
[pid  3646] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3646] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3646] pipe2([3, 4], 0)            = 0
[pid  3646] dup(4)                      = 5
[pid  3646] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3641] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3641] exit_group(0)               = ?
[pid  3641] +++ exited with 0 +++
[pid  3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3641, si_uid=0, si_status=0, si_utime=0, si_stime=2} ---
[pid  3609] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  3609] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3
[pid  3609] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3609] close(3)                    = 0
[pid  3609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556ecc690) = 3647
./strace-static-x86_64: Process 3647 attached
[pid  3647] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3647] setpgid(0, 0)               = 0
[pid  3647] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3647] write(3, "1000", 4)         = 4
[pid  3647] close(3)                    = 0
[pid  3647] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3647] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3647] pipe2([3, 4], 0)            = 0
[pid  3647] dup(4)                      = 5
[pid  3647] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3642] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3642] exit_group(0)               = ?
[pid  3642] +++ exited with 0 +++
[pid  3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3642, si_uid=0, si_status=0, si_utime=0, si_stime=3} ---
[pid  3608] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  3608] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3
[pid  3608] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3608] close(3)                    = 0
[pid  3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556ecc690) = 3648
./strace-static-x86_64: Process 3648 attached
[pid  3648] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3648] setpgid(0, 0)               = 0
[pid  3648] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3648] write(3, "1000", 4)         = 4
[pid  3648] close(3)                    = 0
[pid  3648] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3648] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3648] pipe2([3, 4], 0)            = 0
[pid  3648] dup(4)                      = 5
[pid  3648] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3643] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3643] exit_group(0)               = ?
[pid  3643] +++ exited with 0 +++
[pid  3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3643, si_uid=0, si_status=0, si_utime=0, si_stime=3} ---
[pid  3610] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3
[pid  3610] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3610] close(3)                    = 0
[pid  3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556ecc690) = 3649
./strace-static-x86_64: Process 3649 attached
[pid  3649] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3649] setpgid(0, 0)               = 0
[pid  3649] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3649] write(3, "1000", 4)         = 4
[pid  3649] close(3)                    = 0
[pid  3649] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3649] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3649] pipe2([3, 4], 0)            = 0
[pid  3649] dup(4)                      = 5
[pid  3649] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3645] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3645] exit_group(0)               = ?
[pid  3645] +++ exited with 0 +++
[pid  3606] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3645, si_uid=0, si_status=0, si_utime=0, si_stime=3} ---
[pid  3606] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
[pid  3606] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3606] close(3)                    = 0
[pid  3606] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556ecc690) = 3650
./strace-static-x86_64: Process 3650 attached
[pid  3650] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3650] setpgid(0, 0)               = 0
[pid  3650] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3650] write(3, "1000", 4)         = 4
[pid  3650] close(3)                    = 0
[pid  3650] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3650] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3650] pipe2([3, 4], 0)            = 0
[pid  3650] dup(4)                      = 5
[pid  3650] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3644] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3644] exit_group(0)               = ?
[pid  3644] +++ exited with 0 +++
[pid  3607] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3644, si_uid=0, si_status=0, si_utime=0, si_stime=3} ---
[pid  3607] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  3607] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3
[pid  3607] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3607] close(3)                    = 0
[pid  3607] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556ecc690) = 3651
./strace-static-x86_64: Process 3651 attached
[pid  3651] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3651] setpgid(0, 0)               = 0
[pid  3651] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3651] write(3, "1000", 4)         = 4
[pid  3651] close(3)                    = 0
[pid  3651] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3651] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3651] pipe2([3, 4], 0)            = 0
[pid  3651] dup(4)                      = 5
[pid  3651] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3646] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3646] exit_group(0)               = ?
[pid  3646] +++ exited with 0 +++
[pid  3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3646, si_uid=0, si_status=0, si_utime=0, si_stime=3} ---
[pid  3611] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  3611] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3
[pid  3611] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3611] close(3)                    = 0
[pid  3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556ecc690) = 3652
./strace-static-x86_64: Process 3652 attached
[pid  3647] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3647] exit_group(0)               = ?
[pid  3647] +++ exited with 0 +++
[pid  3652] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3652] setpgid(0, 0)               = 0
[pid  3652] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3652] write(3, "1000", 4)         = 4
[pid  3652] close(3)                    = 0
[pid  3652] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3652] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3652] pipe2([3, 4], 0)            = 0
[pid  3652] dup(4)                      = 5
[pid  3652] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3647, si_uid=0, si_status=0, si_utime=0, si_stime=2} ---
[pid  3609] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3
[pid  3609] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3609] close(3)                    = 0
[pid  3609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556ecc690) = 3653
./strace-static-x86_64: Process 3653 attached
[pid  3653] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3653] setpgid(0, 0)               = 0
[pid  3653] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3653] write(3, "1000", 4)         = 4
[pid  3653] close(3)                    = 0
[pid  3653] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3653] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3653] pipe2([3, 4], 0)            = 0
[pid  3653] dup(4)                      = 5
[pid  3653] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3648] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3648] exit_group(0)               = ?
[pid  3648] +++ exited with 0 +++
[pid  3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3648, si_uid=0, si_status=0, si_utime=0, si_stime=3} ---
[pid  3608] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  3608] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3
[pid  3608] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3608] close(3)                    = 0
[pid  3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556ecc690) = 3654
./strace-static-x86_64: Process 3654 attached
[pid  3654] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3654] setpgid(0, 0)               = 0
[pid  3654] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3654] write(3, "1000", 4)         = 4
[pid  3654] close(3)                    = 0
[pid  3654] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3654] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3654] pipe2([3, 4], 0)            = 0
[pid  3654] dup(4)                      = 5
[pid  3654] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3649] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3649] exit_group(0)               = ?
[pid  3649] +++ exited with 0 +++
[pid  3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3649, si_uid=0, si_status=0, si_utime=0, si_stime=3} ---
[pid  3610] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3
[pid  3610] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3610] close(3)                    = 0
[pid  3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556ecc690) = 3655
./strace-static-x86_64: Process 3655 attached
[pid  3655] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3655] setpgid(0, 0)               = 0
[pid  3655] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3655] write(3, "1000", 4)         = 4
[pid  3655] close(3)                    = 0
[pid  3655] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3655] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3655] pipe2([3, 4], 0)            = 0
[pid  3655] dup(4)                      = 5
[pid  3655] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3650] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3650] exit_group(0)               = ?
[pid  3650] +++ exited with 0 +++
[pid  3606] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3650, si_uid=0, si_status=0, si_utime=0, si_stime=2} ---
[pid  3606] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
[pid  3606] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3606] close(3)                    = 0
[pid  3606] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556ecc690) = 3656
./strace-static-x86_64: Process 3656 attached
[pid  3656] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3656] setpgid(0, 0)               = 0
[pid  3656] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3656] write(3, "1000", 4)         = 4
[pid  3656] close(3)                    = 0
[pid  3656] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3656] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3656] pipe2([3, 4], 0)            = 0
[pid  3656] dup(4)                      = 5
[pid  3656] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3651] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3651] exit_group(0)               = ?
[pid  3651] +++ exited with 0 +++
[pid  3607] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3651, si_uid=0, si_status=0, si_utime=0, si_stime=2} ---
[pid  3607] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  3607] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3
[pid  3607] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3607] close(3)                    = 0
[pid  3607] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556ecc690) = 3657
./strace-static-x86_64: Process 3657 attached
[pid  3657] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3657] setpgid(0, 0)               = 0
[pid  3657] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3657] write(3, "1000", 4)         = 4
[pid  3657] close(3)                    = 0
[pid  3657] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3657] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3657] pipe2([3, 4], 0)            = 0
[pid  3657] dup(4)                      = 5
[pid  3657] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3652] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3652] exit_group(0)               = ?
[pid  3652] +++ exited with 0 +++
[pid  3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3652, si_uid=0, si_status=0, si_utime=0, si_stime=3} ---
[pid  3611] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  3611] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3
[pid  3611] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3611] close(3)                    = 0
[pid  3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556ecc690) = 3658
./strace-static-x86_64: Process 3658 attached
[pid  3658] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3658] setpgid(0, 0)               = 0
[pid  3658] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3658] write(3, "1000", 4)         = 4
[pid  3658] close(3)                    = 0
[pid  3658] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3658] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3658] pipe2([3, 4], 0)            = 0
[pid  3658] dup(4)                      = 5
[pid  3658] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3653] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3653] exit_group(0)               = ?
[pid  3653] +++ exited with 0 +++
[pid  3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3653, si_uid=0, si_status=0, si_utime=0, si_stime=3} ---
[pid  3609] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  3609] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3
[pid  3609] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3609] close(3)                    = 0
[pid  3609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556ecc690) = 3659
./strace-static-x86_64: Process 3659 attached
[pid  3659] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3659] setpgid(0, 0)               = 0
[pid  3659] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3659] write(3, "1000", 4)         = 4
[pid  3659] close(3)                    = 0
[pid  3659] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3659] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3659] pipe2([3, 4], 0)            = 0
[pid  3659] dup(4)                      = 5
[pid  3659] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3655] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3655] exit_group(0)               = ?
[pid  3655] +++ exited with 0 +++
[pid  3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3655, si_uid=0, si_status=0, si_utime=0, si_stime=2} ---
[pid  3610] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3
[pid  3610] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3610] close(3)                    = 0
[pid  3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556ecc690) = 3660
./strace-static-x86_64: Process 3660 attached
[pid  3660] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3660] setpgid(0, 0)               = 0
[pid  3660] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3660] write(3, "1000", 4)         = 4
[pid  3660] close(3)                    = 0
[pid  3660] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3660] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3660] pipe2([3, 4], 0)            = 0
[pid  3660] dup(4)                      = 5
[pid  3660] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3654] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3654] exit_group(0)               = ?
[pid  3654] +++ exited with 0 +++
[pid  3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3654, si_uid=0, si_status=0, si_utime=0, si_stime=3} ---
[pid  3608] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3
[pid  3608] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3608] close(3)                    = 0
[pid  3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556ecc690) = 3661
./strace-static-x86_64: Process 3661 attached
[pid  3661] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3661] setpgid(0, 0)               = 0
[pid  3661] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3661] write(3, "1000", 4)         = 4
[pid  3661] close(3)                    = 0
[pid  3661] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3661] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3661] pipe2([3, 4], 0)            = 0
[pid  3661] dup(4)                      = 5
[pid  3661] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3656] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3656] exit_group(0)               = ?
[pid  3656] +++ exited with 0 +++
[pid  3606] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3656, si_uid=0, si_status=0, si_utime=0, si_stime=3} ---
[pid  3606] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
[pid  3606] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3606] close(3)                    = 0
[pid  3606] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556ecc690) = 3662
./strace-static-x86_64: Process 3662 attached
[pid  3662] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3662] setpgid(0, 0)               = 0
[pid  3662] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3662] write(3, "1000", 4)         = 4
[pid  3662] close(3)                    = 0
[pid  3662] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3662] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3662] pipe2([3, 4], 0)            = 0
[pid  3662] dup(4)                      = 5
[pid  3662] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3657] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3657] exit_group(0)               = ?
[pid  3657] +++ exited with 0 +++
[pid  3607] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3657, si_uid=0, si_status=0, si_utime=0, si_stime=3} ---
[pid  3607] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  3607] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3
[pid  3607] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3607] close(3)                    = 0
[pid  3607] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556ecc690) = 3663
./strace-static-x86_64: Process 3663 attached
[pid  3663] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3663] setpgid(0, 0)               = 0
[pid  3663] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3663] write(3, "1000", 4)         = 4
[pid  3663] close(3)                    = 0
[pid  3663] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3663] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3663] pipe2([3, 4], 0)            = 0
[pid  3663] dup(4)                      = 5
[pid  3663] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3658] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3658] exit_group(0)               = ?
[pid  3658] +++ exited with 0 +++
[pid  3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3658, si_uid=0, si_status=0, si_utime=0, si_stime=2} ---
[pid  3611] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  3611] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3
[pid  3611] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3611] close(3)                    = 0
[pid  3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556ecc690) = 3664
./strace-static-x86_64: Process 3664 attached
[pid  3664] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3664] setpgid(0, 0)               = 0
[pid  3664] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3664] write(3, "1000", 4)         = 4
[pid  3664] close(3)                    = 0
[pid  3664] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3664] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3664] pipe2([3, 4], 0)            = 0
[pid  3664] dup(4)                      = 5
[pid  3664] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3659] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3659] exit_group(0)               = ?
[pid  3659] +++ exited with 0 +++
[pid  3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3659, si_uid=0, si_status=0, si_utime=0, si_stime=2} ---
[pid  3609] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3
[pid  3609] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3609] close(3)                    = 0
[pid  3609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556ecc690) = 3665
./strace-static-x86_64: Process 3665 attached
[pid  3665] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3665] setpgid(0, 0)               = 0
[pid  3665] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3665] write(3, "1000", 4)         = 4
[pid  3665] close(3)                    = 0
[pid  3665] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3665] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3665] pipe2([3, 4], 0)            = 0
[pid  3665] dup(4)                      = 5
[pid  3665] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3660] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3660] exit_group(0)               = ?
[pid  3660] +++ exited with 0 +++
[pid  3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3660, si_uid=0, si_status=0, si_utime=0, si_stime=3} ---
[pid  3610] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  3610] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3
[pid  3610] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3610] close(3)                    = 0
[pid  3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556ecc690) = 3666
./strace-static-x86_64: Process 3666 attached
[pid  3666] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3666] setpgid(0, 0)               = 0
[pid  3666] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3666] write(3, "1000", 4)         = 4
[pid  3666] close(3)                    = 0
[pid  3666] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3666] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3666] pipe2([3, 4], 0)            = 0
[pid  3666] dup(4)                      = 5
[pid  3666] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3661] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3661] exit_group(0)               = ?
[pid  3661] +++ exited with 0 +++
[pid  3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3661, si_uid=0, si_status=0, si_utime=0, si_stime=2} ---
[pid  3608] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3
[pid  3608] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3608] close(3)                    = 0
[pid  3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556ecc690) = 3667
./strace-static-x86_64: Process 3667 attached
[pid  3667] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3667] setpgid(0, 0)               = 0
[pid  3667] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3667] write(3, "1000", 4)         = 4
[pid  3667] close(3)                    = 0
[pid  3667] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3667] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3667] pipe2([3, 4], 0)            = 0
[pid  3667] dup(4)                      = 5
[pid  3667] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3662] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3662] exit_group(0)               = ?
[pid  3662] +++ exited with 0 +++
[pid  3606] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3662, si_uid=0, si_status=0, si_utime=0, si_stime=2} ---
[pid  3606] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  3606] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
[pid  3606] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3606] close(3)                    = 0
[pid  3606] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556ecc690) = 3668
./strace-static-x86_64: Process 3668 attached
[pid  3668] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3668] setpgid(0, 0)               = 0
[pid  3668] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3668] write(3, "1000", 4)         = 4
[pid  3668] close(3)                    = 0
[pid  3668] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3668] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3668] pipe2([3, 4], 0)            = 0
[pid  3668] dup(4)                      = 5
[pid  3668] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3663] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3663] exit_group(0)               = ?
[pid  3663] +++ exited with 0 +++
[pid  3607] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3663, si_uid=0, si_status=0, si_utime=0, si_stime=3} ---
[pid  3607] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3
[pid  3607] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3607] close(3)                    = 0
[pid  3607] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556ecc690) = 3669
./strace-static-x86_64: Process 3669 attached
[pid  3669] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3669] setpgid(0, 0)               = 0
[pid  3669] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3669] write(3, "1000", 4)         = 4
[pid  3669] close(3)                    = 0
[pid  3669] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3669] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3669] pipe2([3, 4], 0)            = 0
[pid  3669] dup(4)                      = 5
[pid  3669] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3664] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3664] exit_group(0)               = ?
[pid  3664] +++ exited with 0 +++
[pid  3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3664, si_uid=0, si_status=0, si_utime=0, si_stime=3} ---
[pid  3611] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  3611] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3
[pid  3611] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3611] close(3)                    = 0
[pid  3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556ecc690) = 3670
./strace-static-x86_64: Process 3670 attached
[pid  3670] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3670] setpgid(0, 0)               = 0
[pid  3670] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3670] write(3, "1000", 4)         = 4
[pid  3670] close(3)                    = 0
[pid  3670] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3670] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3670] pipe2([3, 4], 0)            = 0
[pid  3670] dup(4)                      = 5
[pid  3670] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3665] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3665] exit_group(0)               = ?
[pid  3665] +++ exited with 0 +++
[pid  3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3665, si_uid=0, si_status=0, si_utime=0, si_stime=2} ---
[pid  3609] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  3609] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3
[pid  3609] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3609] close(3)                    = 0
[pid  3609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556ecc690) = 3671
./strace-static-x86_64: Process 3671 attached
[pid  3671] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3671] setpgid(0, 0)               = 0
[pid  3671] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3671] write(3, "1000", 4)         = 4
[pid  3671] close(3)                    = 0
[pid  3671] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3671] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3671] pipe2([3, 4], 0)            = 0
[pid  3671] dup(4)                      = 5
[pid  3671] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3666] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3666] exit_group(0)               = ?
[pid  3666] +++ exited with 0 +++
[pid  3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3666, si_uid=0, si_status=0, si_utime=0, si_stime=3} ---
[pid  3610] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3
[pid  3610] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3610] close(3)                    = 0
[pid  3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556ecc690) = 3672
./strace-static-x86_64: Process 3672 attached
[pid  3672] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3672] setpgid(0, 0)               = 0
[pid  3672] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3672] write(3, "1000", 4)         = 4
[pid  3672] close(3)                    = 0
[pid  3672] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3672] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3672] pipe2([3, 4], 0)            = 0
[pid  3672] dup(4)                      = 5
[pid  3672] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3667] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3667] exit_group(0)               = ?
[pid  3667] +++ exited with 0 +++
[pid  3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3667, si_uid=0, si_status=0, si_utime=0, si_stime=2} ---
[pid  3608] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  3608] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3
[pid  3608] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3608] close(3)                    = 0
[pid  3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556ecc690) = 3673
./strace-static-x86_64: Process 3673 attached
[pid  3673] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3673] setpgid(0, 0)               = 0
[pid  3673] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3673] write(3, "1000", 4)         = 4
[pid  3673] close(3)                    = 0
[pid  3673] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3673] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3673] pipe2([3, 4], 0)            = 0
[pid  3673] dup(4)                      = 5
[pid  3673] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3668] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3668] exit_group(0)               = ?
[pid  3668] +++ exited with 0 +++
[pid  3606] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3668, si_uid=0, si_status=0, si_utime=0, si_stime=2} ---
[pid  3606] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  3606] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
[pid  3606] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3606] close(3)                    = 0
[pid  3606] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556ecc690) = 3674
./strace-static-x86_64: Process 3674 attached
[pid  3674] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3674] setpgid(0, 0)               = 0
[pid  3674] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3674] write(3, "1000", 4)         = 4
[pid  3674] close(3)                    = 0
[pid  3674] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3674] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3674] pipe2([3, 4], 0)            = 0
[pid  3674] dup(4)                      = 5
[pid  3674] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3670] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3670] exit_group(0)               = ?
[pid  3670] +++ exited with 0 +++
[pid  3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3670, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
[pid  3611] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3
[pid  3611] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3611] close(3)                    = 0
[pid  3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556ecc690) = 3675
./strace-static-x86_64: Process 3675 attached
[pid  3675] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3675] setpgid(0, 0)               = 0
[pid  3675] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3675] write(3, "1000", 4)         = 4
[pid  3675] close(3)                    = 0
[pid  3675] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3675] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3675] pipe2([3, 4], 0)            = 0
[pid  3675] dup(4)                      = 5
[pid  3675] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3669] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3669] exit_group(0)               = ?
[pid  3669] +++ exited with 0 +++
[pid  3607] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3669, si_uid=0, si_status=0, si_utime=0, si_stime=2} ---
[pid  3607] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  3607] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3
[pid  3607] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3607] close(3)                    = 0
[pid  3607] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556ecc690) = 3676
./strace-static-x86_64: Process 3676 attached
[pid  3676] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3676] setpgid(0, 0)               = 0
[pid  3676] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3676] write(3, "1000", 4)         = 4
[pid  3676] close(3)                    = 0
[pid  3676] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3676] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3676] pipe2([3, 4], 0)            = 0
[pid  3676] dup(4)                      = 5
[pid  3676] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3671] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3671] exit_group(0)               = ?
[pid  3671] +++ exited with 0 +++
[pid  3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3671, si_uid=0, si_status=0, si_utime=0, si_stime=2} ---
[pid  3609] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  3609] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3
[pid  3609] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3609] close(3)                    = 0
[pid  3609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556ecc690) = 3677
./strace-static-x86_64: Process 3677 attached
[pid  3677] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3677] setpgid(0, 0)               = 0
[pid  3677] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3677] write(3, "1000", 4)         = 4
[pid  3677] close(3)                    = 0
[pid  3677] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3677] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3677] pipe2([3, 4], 0)            = 0
[pid  3677] dup(4)                      = 5
[pid  3677] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3672] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3672] exit_group(0)               = ?
[pid  3672] +++ exited with 0 +++
[pid  3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3672, si_uid=0, si_status=0, si_utime=0, si_stime=2} ---
[pid  3610] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3
[pid  3610] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3610] close(3)                    = 0
[pid  3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556ecc690) = 3678
./strace-static-x86_64: Process 3678 attached
[pid  3678] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3678] setpgid(0, 0)               = 0
[pid  3678] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3678] write(3, "1000", 4)         = 4
[pid  3678] close(3)                    = 0
[pid  3678] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3678] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3678] pipe2([3, 4], 0)            = 0
[pid  3678] dup(4)                      = 5
[pid  3678] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3673] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3673] exit_group(0)               = ?
[pid  3673] +++ exited with 0 +++
[pid  3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3673, si_uid=0, si_status=0, si_utime=0, si_stime=2} ---
[pid  3608] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3
[pid  3608] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3608] close(3)                    = 0
[pid  3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556ecc690) = 3679
./strace-static-x86_64: Process 3679 attached
[pid  3679] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3679] setpgid(0, 0)               = 0
[pid  3679] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3679] write(3, "1000", 4)         = 4
[pid  3679] close(3)                    = 0
[pid  3679] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3679] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3679] pipe2([3, 4], 0)            = 0
[pid  3679] dup(4)                      = 5
[pid  3679] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3674] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3674] exit_group(0)               = ?
[pid  3674] +++ exited with 0 +++
[pid  3606] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3674, si_uid=0, si_status=0, si_utime=0, si_stime=2} ---
[pid  3606] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  3606] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
[pid  3606] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3606] close(3)                    = 0
[pid  3606] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556ecc690) = 3680
./strace-static-x86_64: Process 3680 attached
[pid  3680] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3680] setpgid(0, 0)               = 0
[pid  3680] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3680] write(3, "1000", 4)         = 4
[pid  3680] close(3)                    = 0
[pid  3680] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3680] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3680] pipe2([3, 4], 0)            = 0
[pid  3680] dup(4)                      = 5
[pid  3680] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3675] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3675] exit_group(0)               = ?
[pid  3675] +++ exited with 0 +++
[pid  3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3675, si_uid=0, si_status=0, si_utime=0, si_stime=2} ---
[pid  3611] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  3611] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3
[pid  3611] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3611] close(3)                    = 0
[pid  3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556ecc690) = 3681
./strace-static-x86_64: Process 3681 attached
[pid  3681] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3681] setpgid(0, 0)               = 0
[pid  3681] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3681] write(3, "1000", 4)         = 4
[pid  3681] close(3)                    = 0
[pid  3681] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3681] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3681] pipe2([3, 4], 0)            = 0
[pid  3681] dup(4)                      = 5
[pid  3681] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3676] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3676] exit_group(0)               = ?
[pid  3676] +++ exited with 0 +++
[pid  3607] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3676, si_uid=0, si_status=0, si_utime=0, si_stime=2} ---
[pid  3607] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  3607] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3
[pid  3607] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3607] close(3)                    = 0
[pid  3607] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556ecc690) = 3682
./strace-static-x86_64: Process 3682 attached
[pid  3682] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3682] setpgid(0, 0)               = 0
[pid  3682] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3682] write(3, "1000", 4)         = 4
[pid  3682] close(3)                    = 0
[pid  3682] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3682] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3682] pipe2([3, 4], 0)            = 0
[pid  3682] dup(4)                      = 5
[pid  3682] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3677] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3677] exit_group(0)               = ?
[pid  3677] +++ exited with 0 +++
[pid  3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3677, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
[pid  3609] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3
[pid  3609] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3609] close(3)                    = 0
[pid  3609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556ecc690) = 3683
./strace-static-x86_64: Process 3683 attached
[pid  3678] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3678] exit_group(0)               = ?
[pid  3678] +++ exited with 0 +++
[pid  3683] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3683] setpgid(0, 0)               = 0
[pid  3683] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3678, si_uid=0, si_status=0, si_utime=0, si_stime=2} ---
[pid  3683] <... openat resumed>)       = 3
[pid  3683] write(3, "1000", 4)         = 4
[pid  3683] close(3)                    = 0
[pid  3683] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3683] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3683] pipe2([3, 4], 0)            = 0
[pid  3683] dup(4)                      = 5
[pid  3683] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3610] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  3610] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3
[pid  3610] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3610] close(3)                    = 0
[pid  3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3684 attached
, child_tidptr=0x555556ecc690) = 3684
[pid  3684] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3684] setpgid(0, 0)               = 0
[pid  3684] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3684] write(3, "1000", 4)         = 4
[pid  3684] close(3)                    = 0
[pid  3684] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3684] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3684] pipe2([3, 4], 0)            = 0
[pid  3684] dup(4)                      = 5
[pid  3684] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3679] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3679] exit_group(0)               = ?
[pid  3679] +++ exited with 0 +++
[pid  3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3679, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
[pid  3608] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3
[pid  3608] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3608] close(3)                    = 0
[pid  3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556ecc690) = 3685
./strace-static-x86_64: Process 3685 attached
[pid  3685] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3685] setpgid(0, 0)               = 0
[pid  3685] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3685] write(3, "1000", 4)         = 4
[pid  3685] close(3)                    = 0
[pid  3685] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3685] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3685] pipe2([3, 4], 0)            = 0
[pid  3685] dup(4)                      = 5
[pid  3685] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3680] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3680] exit_group(0)               = ?
[pid  3680] +++ exited with 0 +++
[pid  3606] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3680, si_uid=0, si_status=0, si_utime=0, si_stime=2} ---
[pid  3606] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  3606] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
[pid  3606] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3606] close(3)                    = 0
[pid  3606] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556ecc690) = 3686
./strace-static-x86_64: Process 3686 attached
[pid  3686] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3686] setpgid(0, 0)               = 0
[pid  3686] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3686] write(3, "1000", 4)         = 4
[pid  3686] close(3)                    = 0
[pid  3686] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3686] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3686] pipe2([3, 4], 0)            = 0
[pid  3686] dup(4)                      = 5
[pid  3686] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3681] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3681] exit_group(0)               = ?
[pid  3681] +++ exited with 0 +++
[pid  3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3681, si_uid=0, si_status=0, si_utime=0, si_stime=2} ---
[pid  3611] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3
[pid  3611] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3611] close(3)                    = 0
[pid  3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556ecc690) = 3687
./strace-static-x86_64: Process 3687 attached
[pid  3687] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3687] setpgid(0, 0)               = 0
[pid  3687] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3687] write(3, "1000", 4)         = 4
[pid  3687] close(3)                    = 0
[pid  3687] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3687] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3687] pipe2([3, 4], 0)            = 0
[pid  3687] dup(4)                      = 5
[pid  3687] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3682] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3682] exit_group(0)               = ?
[pid  3682] +++ exited with 0 +++
[pid  3607] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3682, si_uid=0, si_status=0, si_utime=0, si_stime=2} ---
[pid  3607] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  3607] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3
[pid  3607] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3607] close(3)                    = 0
[pid  3607] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556ecc690) = 3688
./strace-static-x86_64: Process 3688 attached
[pid  3688] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3688] setpgid(0, 0)               = 0
[pid  3683] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3688] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3688] write(3, "1000", 4 <unfinished ...>
[pid  3683] exit_group(0)               = ?
[pid  3683] +++ exited with 0 +++
[pid  3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3683, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
[pid  3609] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3
[pid  3609] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3609] close(3)                    = 0
[pid  3609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3689 attached
, child_tidptr=0x555556ecc690) = 3689
[pid  3689] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3689] setpgid(0, 0)               = 0
[pid  3689] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3689] write(3, "1000", 4)         = 4
[pid  3689] close(3)                    = 0
[pid  3689] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3689] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3689] pipe2([3, 4], 0)            = 0
[pid  3689] dup(4)                      = 5
[pid  3689] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3688] <... write resumed>)        = 4
[pid  3688] close(3)                    = 0
[pid  3688] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3688] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3688] pipe2([3, 4], 0)            = 0
[pid  3688] dup(4)                      = 5
[pid  3688] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3685] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3685] exit_group(0)               = ?
[pid  3685] +++ exited with 0 +++
[pid  3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3685, si_uid=0, si_status=0, si_utime=0, si_stime=3} ---
[pid  3608] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  3608] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3
[pid  3608] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3608] close(3)                    = 0
[pid  3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556ecc690) = 3690
./strace-static-x86_64: Process 3690 attached
[pid  3690] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3690] setpgid(0, 0)               = 0
[pid  3690] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3690] write(3, "1000", 4)         = 4
[pid  3690] close(3)                    = 0
[pid  3690] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3690] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3690] pipe2([3, 4], 0)            = 0
[pid  3690] dup(4)                      = 5
[pid  3690] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3684] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3684] exit_group(0)               = ?
[pid  3684] +++ exited with 0 +++
[pid  3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3684, si_uid=0, si_status=0, si_utime=0, si_stime=2} ---
[pid  3610] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  3610] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3
[pid  3610] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3610] close(3)                    = 0
[pid  3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556ecc690) = 3691
./strace-static-x86_64: Process 3691 attached
[pid  3691] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3691] setpgid(0, 0)               = 0
[pid  3691] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3691] write(3, "1000", 4)         = 4
[pid  3691] close(3)                    = 0
[pid  3691] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3691] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3691] pipe2([3, 4], 0)            = 0
[pid  3691] dup(4)                      = 5
[pid  3691] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3686] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3686] exit_group(0)               = ?
[pid  3686] +++ exited with 0 +++
[pid  3606] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3686, si_uid=0, si_status=0, si_utime=0, si_stime=2} ---
[pid  3606] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  3606] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
[pid  3606] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3606] close(3)                    = 0
[pid  3606] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556ecc690) = 3692
./strace-static-x86_64: Process 3692 attached
[pid  3692] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3692] setpgid(0, 0)               = 0
[pid  3692] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3692] write(3, "1000", 4)         = 4
[pid  3692] close(3)                    = 0
[pid  3692] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3692] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3692] pipe2([3, 4], 0)            = 0
[pid  3692] dup(4)                      = 5
[pid  3692] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3687] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3687] exit_group(0)               = ?
[pid  3687] +++ exited with 0 +++
[pid  3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3687, si_uid=0, si_status=0, si_utime=0, si_stime=2} ---
[pid  3611] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  3611] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3
[pid  3611] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3611] close(3)                    = 0
[pid  3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3693 attached
, child_tidptr=0x555556ecc690) = 3693
[pid  3693] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3693] setpgid(0, 0)               = 0
[pid  3693] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3693] write(3, "1000", 4)         = 4
[pid  3693] close(3)                    = 0
[pid  3693] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3693] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3693] pipe2([3, 4], 0)            = 0
[pid  3693] dup(4)                      = 5
[pid  3693] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3690] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3690] exit_group(0)               = ?
[pid  3690] +++ exited with 0 +++
[pid  3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3690, si_uid=0, si_status=0, si_utime=0, si_stime=2} ---
[pid  3608] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  3608] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3
[pid  3608] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3608] close(3)                    = 0
[pid  3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556ecc690) = 3694
./strace-static-x86_64: Process 3694 attached
[pid  3694] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3694] setpgid(0, 0)               = 0
[pid  3694] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3694] write(3, "1000", 4 <unfinished ...>
[pid  3689] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3689] exit_group(0)               = ?
[pid  3689] +++ exited with 0 +++
[pid  3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3689, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
[pid  3694] <... write resumed>)        = 4
[pid  3694] close(3)                    = 0
[pid  3694] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3694] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3694] pipe2( <unfinished ...>
[pid  3609] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid  3694] <... pipe2 resumed>[3, 4], 0) = 0
[pid  3609] <... openat resumed>)       = 3
[pid  3694] dup(4 <unfinished ...>
[pid  3609] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  3694] <... dup resumed>)          = 5
[pid  3609] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  3694] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3609] close(3)                    = 0
[pid  3609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556ecc690) = 3695
./strace-static-x86_64: Process 3695 attached
[pid  3695] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3695] setpgid(0, 0)               = 0
[pid  3695] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3695] write(3, "1000", 4)         = 4
[pid  3695] close(3 <unfinished ...>
[pid  3688] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3695] <... close resumed>)        = 0
[pid  3688] exit_group(0)               = ?
[pid  3688] +++ exited with 0 +++
[pid  3607] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3688, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
[pid  3607] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  3607] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3
[pid  3695] mkdir("./file0", 0777 <unfinished ...>
[pid  3607] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3607] close(3)                    = 0
[pid  3607] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  3695] <... mkdir resumed>)        = -1 EEXIST (File exists)
[pid  3695] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3695] pipe2([3, 4], 0)            = 0
[pid  3695] dup(4 <unfinished ...>
[pid  3607] <... clone resumed>, child_tidptr=0x555556ecc690) = 3696
[pid  3695] <... dup resumed>)          = 5
[pid  3695] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005,"./strace-static-x86_64: Process 3696 attached
 <unfinished ...>
[pid  3696] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3691] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3696] setpgid(0, 0)               = 0
[pid  3696] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3696] write(3, "1000", 4)         = 4
[pid  3696] close(3)                    = 0
[pid  3696] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3696] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3691] exit_group(0)               = ?
[pid  3696] pipe2([3, 4], 0)            = 0
[pid  3691] +++ exited with 0 +++
[pid  3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3691, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
[pid  3610] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  3610] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3
[pid  3610] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3610] close(3)                    = 0
[pid  3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  3696] dup(4)                      = 5
[pid  3610] <... clone resumed>, child_tidptr=0x555556ecc690) = 3697
[pid  3696] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005,"./strace-static-x86_64: Process 3697 attached
 <unfinished ...>
[pid  3697] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3697] setpgid(0, 0)               = 0
[pid  3697] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3697] write(3, "1000", 4)         = 4
[pid  3697] close(3)                    = 0
[pid  3697] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3697] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3697] pipe2([3, 4], 0)            = 0
[pid  3697] dup(4)                      = 5
[pid  3697] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3692] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3692] exit_group(0)               = ?
[pid  3692] +++ exited with 0 +++
[pid  3606] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3692, si_uid=0, si_status=0, si_utime=0, si_stime=2} ---
[pid  3606] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
[pid  3606] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3606] close(3)                    = 0
[pid  3606] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556ecc690) = 3698
./strace-static-x86_64: Process 3698 attached
[pid  3698] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3698] setpgid(0, 0)               = 0
[pid  3698] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3698] write(3, "1000", 4)         = 4
[pid  3698] close(3)                    = 0
[pid  3698] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3698] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3698] pipe2([3, 4], 0)            = 0
[pid  3698] dup(4)                      = 5
[pid  3698] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3694] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3694] exit_group(0)               = ?
[pid  3694] +++ exited with 0 +++
[pid  3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3694, si_uid=0, si_status=0, si_utime=0, si_stime=2} ---
[pid  3608] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  3608] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3
[pid  3608] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3608] close(3)                    = 0
[pid  3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556ecc690) = 3699
./strace-static-x86_64: Process 3699 attached
[pid  3699] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3699] setpgid(0, 0)               = 0
[pid  3699] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3699] write(3, "1000", 4)         = 4
[pid  3699] close(3)                    = 0
[pid  3699] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3699] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3699] pipe2([3, 4], 0)            = 0
[pid  3699] dup(4)                      = 5
[pid  3699] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3693] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3693] exit_group(0)               = ?
[pid  3693] +++ exited with 0 +++
[pid  3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3693, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
[pid  3611] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3
[pid  3611] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3611] close(3)                    = 0
[pid  3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556ecc690) = 3700
./strace-static-x86_64: Process 3700 attached
[pid  3700] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3700] setpgid(0, 0)               = 0
[pid  3700] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3700] write(3, "1000", 4)         = 4
[pid  3700] close(3)                    = 0
[pid  3700] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3700] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3700] pipe2([3, 4], 0)            = 0
[pid  3700] dup(4)                      = 5
[pid  3700] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3695] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3695] exit_group(0)               = ?
[pid  3695] +++ exited with 0 +++
[pid  3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3695, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
[pid  3609] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3
[pid  3609] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3609] close(3 <unfinished ...>
[pid  3696] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3609] <... close resumed>)        = 0
[pid  3609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  3696] exit_group(0 <unfinished ...>
[pid  3609] <... clone resumed>, child_tidptr=0x555556ecc690) = 3701
./strace-static-x86_64: Process 3701 attached
[pid  3696] <... exit_group resumed>)   = ?
[pid  3701] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3701] setpgid(0, 0)               = 0
[pid  3701] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3701] write(3, "1000", 4)         = 4
[pid  3701] close(3)                    = 0
[pid  3701] mkdir("./file0", 0777 <unfinished ...>
[pid  3696] +++ exited with 0 +++
[pid  3607] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3696, si_uid=0, si_status=0, si_utime=0, si_stime=2} ---
[pid  3607] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  3607] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3
[pid  3607] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3607] close(3)                    = 0
[pid  3607] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556ecc690) = 3702
[pid  3701] <... mkdir resumed>)        = -1 EEXIST (File exists)
[pid  3701] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3701] pipe2([3, 4], 0)            = 0
[pid  3701] dup(4)                      = 5
[pid  3701] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005,"./strace-static-x86_64: Process 3702 attached
 <unfinished ...>
[pid  3702] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3702] setpgid(0, 0)               = 0
[pid  3702] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3702] write(3, "1000", 4)         = 4
[pid  3702] close(3)                    = 0
[pid  3702] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3702] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3702] pipe2([3, 4], 0)            = 0
[pid  3702] dup(4)                      = 5
[pid  3702] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3697] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3697] exit_group(0)               = ?
[pid  3697] +++ exited with 0 +++
[pid  3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3697, si_uid=0, si_status=0, si_utime=0, si_stime=2} ---
[pid  3610] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  3610] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3
[pid  3610] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3610] close(3)                    = 0
[pid  3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556ecc690) = 3703
./strace-static-x86_64: Process 3703 attached
[pid  3699] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3703] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3699] exit_group(0 <unfinished ...>
[pid  3703] <... prctl resumed>)        = 0
[pid  3699] <... exit_group resumed>)   = ?
[pid  3703] setpgid(0, 0 <unfinished ...>
[pid  3699] +++ exited with 0 +++
[pid  3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3699, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
[pid  3703] <... setpgid resumed>)      = 0
[pid  3703] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3608] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid  3703] write(3, "1000", 4)         = 4
[pid  3608] <... openat resumed>)       = 3
[pid  3703] close(3 <unfinished ...>
[pid  3608] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3608] close(3 <unfinished ...>
[pid  3703] <... close resumed>)        = 0
[pid  3608] <... close resumed>)        = 0
[pid  3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  3703] mkdir("./file0", 0777 <unfinished ...>
[pid  3608] <... clone resumed>, child_tidptr=0x555556ecc690) = 3704
[pid  3703] <... mkdir resumed>)        = -1 EEXIST (File exists)
[pid  3703] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3703] pipe2([3, 4], 0)            = 0
./strace-static-x86_64: Process 3704 attached
[pid  3703] dup(4)                      = 5
[pid  3704] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3703] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3704] setpgid(0, 0)               = 0
[pid  3704] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3704] write(3, "1000", 4)         = 4
[pid  3704] close(3)                    = 0
[pid  3704] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3704] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3704] pipe2([3, 4], 0)            = 0
[pid  3704] dup(4)                      = 5
[pid  3704] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3698] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3698] exit_group(0)               = ?
[pid  3698] +++ exited with 0 +++
[pid  3606] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3698, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
[pid  3606] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
[pid  3606] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3606] close(3)                    = 0
[pid  3606] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556ecc690) = 3705
./strace-static-x86_64: Process 3705 attached
[pid  3705] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3705] setpgid(0, 0)               = 0
[pid  3705] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3705] write(3, "1000", 4)         = 4
[pid  3705] close(3)                    = 0
[pid  3705] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3705] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3705] pipe2([3, 4], 0)            = 0
[pid  3705] dup(4)                      = 5
[pid  3705] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3700] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3700] exit_group(0)               = ?
[pid  3700] +++ exited with 0 +++
[pid  3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3700, si_uid=0, si_status=0, si_utime=0, si_stime=2} ---
[pid  3611] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  3611] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3
[pid  3611] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3611] close(3)                    = 0
[pid  3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556ecc690) = 3706
./strace-static-x86_64: Process 3706 attached
[pid  3706] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3706] setpgid(0, 0)               = 0
[pid  3706] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3706] write(3, "1000", 4)         = 4
[pid  3706] close(3)                    = 0
[pid  3706] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3706] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3701] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3701] exit_group(0)               = ?
[pid  3706] pipe2( <unfinished ...>
[pid  3701] +++ exited with 0 +++
[pid  3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3701, si_uid=0, si_status=0, si_utime=0, si_stime=2} ---
[pid  3609] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  3609] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3
[pid  3609] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3609] close(3)                    = 0
[pid  3609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3707 attached
 <unfinished ...>
[pid  3707] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3609] <... clone resumed>, child_tidptr=0x555556ecc690) = 3707
[pid  3707] <... prctl resumed>)        = 0
[pid  3707] setpgid(0, 0)               = 0
[pid  3707] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3707] write(3, "1000", 4)         = 4
[pid  3707] close(3)                    = 0
[pid  3707] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3707] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3707] pipe2([3, 4], 0)            = 0
[pid  3707] dup(4)                      = 5
[pid  3707] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3706] <... pipe2 resumed>[3, 4], 0) = 0
[pid  3706] dup(4)                      = 5
[pid  3706] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3702] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3702] exit_group(0)               = ?
[pid  3702] +++ exited with 0 +++
[pid  3607] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3702, si_uid=0, si_status=0, si_utime=0, si_stime=2} ---
[pid  3607] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3
[pid  3607] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3607] close(3)                    = 0
[pid  3607] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556ecc690) = 3708
./strace-static-x86_64: Process 3708 attached
[pid  3708] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3708] setpgid(0, 0)               = 0
[pid  3708] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3708] write(3, "1000", 4)         = 4
[pid  3704] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3708] close(3)                    = 0
[pid  3708] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3708] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3708] pipe2([3, 4], 0)            = 0
[pid  3708] dup(4)                      = 5
[pid  3704] exit_group(0)               = ?
[pid  3704] +++ exited with 0 +++
[pid  3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3704, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
[pid  3708] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3608] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3
[pid  3608] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3608] close(3)                    = 0
[pid  3705] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3703] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3709 attached
 <unfinished ...>
[pid  3705] exit_group(0 <unfinished ...>
[pid  3703] exit_group(0 <unfinished ...>
[pid  3709] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3705] <... exit_group resumed>)   = ?
[pid  3703] <... exit_group resumed>)   = ?
[pid  3608] <... clone resumed>, child_tidptr=0x555556ecc690) = 3709
[pid  3709] <... prctl resumed>)        = 0
[pid  3705] +++ exited with 0 +++
[pid  3703] +++ exited with 0 +++
[pid  3709] setpgid(0, 0 <unfinished ...>
[pid  3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3703, si_uid=0, si_status=0, si_utime=0, si_stime=2} ---
[pid  3606] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3705, si_uid=0, si_status=0, si_utime=0, si_stime=2} ---
[pid  3709] <... setpgid resumed>)      = 0
[pid  3610] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  3709] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3610] <... restart_syscall resumed>) = 0
[pid  3709] <... openat resumed>)       = 3
[pid  3606] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  3709] write(3, "1000", 4 <unfinished ...>
[pid  3606] <... openat resumed>)       = 3
[pid  3709] <... write resumed>)        = 4
[pid  3610] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid  3606] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  3709] close(3 <unfinished ...>
[pid  3610] <... openat resumed>)       = 3
[pid  3606] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  3709] <... close resumed>)        = 0
[pid  3610] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  3606] close(3 <unfinished ...>
[pid  3709] mkdir("./file0", 0777 <unfinished ...>
[pid  3610] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  3606] <... close resumed>)        = 0
[pid  3709] <... mkdir resumed>)        = -1 EEXIST (File exists)
[pid  3610] close(3 <unfinished ...>
[pid  3606] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  3709] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3610] <... close resumed>)        = 0
[pid  3709] pipe2( <unfinished ...>
[pid  3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  3606] <... clone resumed>, child_tidptr=0x555556ecc690) = 3710
[pid  3709] <... pipe2 resumed>[3, 4], 0) = 0
[pid  3706] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3706] exit_group(0 <unfinished ...>
[pid  3610] <... clone resumed>, child_tidptr=0x555556ecc690) = 3711
[pid  3706] <... exit_group resumed>)   = ?
[pid  3706] +++ exited with 0 +++
[pid  3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3706, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
[pid  3611] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  3611] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3
[pid  3611] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3611] close(3)                    = 0
[pid  3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556ecc690) = 3712
./strace-static-x86_64: Process 3711 attached
[pid  3709] dup(4./strace-static-x86_64: Process 3710 attached
)                      = 5
[pid  3709] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3710] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3711] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3710] <... prctl resumed>)        = 0
[pid  3711] <... prctl resumed>)        = 0
[pid  3711] setpgid(0, 0)               = 0
[pid  3711] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3711] write(3, "1000", 4)         = 4
[pid  3711] close(3)                    = 0
[pid  3711] mkdir("./file0", 0777./strace-static-x86_64: Process 3712 attached
)      = -1 EEXIST (File exists)
[pid  3712] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3711] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3712] <... prctl resumed>)        = 0
[pid  3711] pipe2( <unfinished ...>
[pid  3712] setpgid(0, 0 <unfinished ...>
[pid  3711] <... pipe2 resumed>[3, 4], 0) = 0
[pid  3712] <... setpgid resumed>)      = 0
[pid  3711] dup(4 <unfinished ...>
[pid  3712] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3711] <... dup resumed>)          = 5
[pid  3712] <... openat resumed>)       = 3
[pid  3711] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3712] write(3, "1000", 4)         = 4
[pid  3712] close(3 <unfinished ...>
[pid  3710] setpgid(0, 0 <unfinished ...>
[pid  3712] <... close resumed>)        = 0
[pid  3712] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3712] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3712] pipe2([3, 4], 0)            = 0
[pid  3712] dup(4)                      = 5
[pid  3712] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3710] <... setpgid resumed>)      = 0
[pid  3710] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3710] write(3, "1000", 4)         = 4
[pid  3710] close(3)                    = 0
[pid  3710] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3710] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3710] pipe2([3, 4], 0)            = 0
[pid  3710] dup(4)                      = 5
[pid  3710] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3707] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3707] exit_group(0)               = ?
[pid  3707] +++ exited with 0 +++
[pid  3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3707, si_uid=0, si_status=0, si_utime=0, si_stime=2} ---
[pid  3609] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3
[pid  3609] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3609] close(3)                    = 0
[pid  3609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556ecc690) = 3713
./strace-static-x86_64: Process 3713 attached
[pid  3713] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3713] setpgid(0, 0)               = 0
[pid  3713] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3713] write(3, "1000", 4)         = 4
[pid  3713] close(3)                    = 0
[pid  3713] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3713] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3713] pipe2([3, 4], 0)            = 0
[pid  3713] dup(4)                      = 5
[pid  3713] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3708] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3708] exit_group(0)               = ?
[pid  3708] +++ exited with 0 +++
[pid  3607] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3708, si_uid=0, si_status=0, si_utime=0, si_stime=2} ---
[pid  3607] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  3607] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3
[pid  3607] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3607] close(3)                    = 0
[pid  3607] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3714 attached
, child_tidptr=0x555556ecc690) = 3714
[pid  3714] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3714] setpgid(0, 0)               = 0
[pid  3714] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3714] write(3, "1000", 4)         = 4
[pid  3714] close(3)                    = 0
[pid  3714] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3714] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3714] pipe2([3, 4], 0)            = 0
[pid  3714] dup(4)                      = 5
[pid  3714] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3713] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3713] exit_group(0)               = ?
[pid  3713] +++ exited with 0 +++
[pid  3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3713, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
[pid  3609] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3
[pid  3609] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3609] close(3)                    = 0
[pid  3609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556ecc690) = 3715
./strace-static-x86_64: Process 3715 attached
[pid  3715] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3712] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3712] exit_group(0)               = ?
[pid  3712] +++ exited with 0 +++
[pid  3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3712, si_uid=0, si_status=0, si_utime=0, si_stime=2} ---
[pid  3611] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  3715] <... prctl resumed>)        = 0
[pid  3715] setpgid(0, 0)               = 0
[pid  3611] <... restart_syscall resumed>) = 0
[pid  3611] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3
[pid  3611] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3611] close(3)                    = 0
[pid  3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556ecc690) = 3716
[pid  3715] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3715] write(3, "1000", 4)         = 4
[pid  3715] close(3)                    = 0
[pid  3715] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3715] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3715] pipe2([3, 4], 0)            = 0
[pid  3715] dup(4)                      = 5
[pid  3715] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3710] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3710] exit_group(0)               = ?
[pid  3710] +++ exited with 0 +++
./strace-static-x86_64: Process 3716 attached
[pid  3606] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3710, si_uid=0, si_status=0, si_utime=0, si_stime=2} ---
[pid  3606] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  3716] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3606] <... restart_syscall resumed>) = 0
[pid  3716] setpgid(0, 0)               = 0
[pid  3716] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3606] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  3716] <... openat resumed>)       = 3
[pid  3716] write(3, "1000", 4)         = 4
[pid  3716] close(3)                    = 0
[pid  3606] <... openat resumed>)       = 3
[pid  3716] mkdir("./file0", 0777 <unfinished ...>
[pid  3606] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3716] <... mkdir resumed>)        = -1 EEXIST (File exists)
[pid  3716] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3716] pipe2([3, 4], 0)            = 0
[pid  3716] dup(4)                      = 5
[pid  3716] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3606] close(3)                    = 0
[pid  3606] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556ecc690) = 3717
[pid  3711] <... mount resumed>)        = -1 EFAULT (Bad address)
./strace-static-x86_64: Process 3717 attached
[pid  3711] exit_group(0)               = ?
[pid  3711] +++ exited with 0 +++
[pid  3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3711, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
[pid  3610] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  3717] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3610] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid  3717] <... prctl resumed>)        = 0
[pid  3610] <... openat resumed>)       = 3
[pid  3610] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3610] close(3)                    = 0
[pid  3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  3717] setpgid(0, 0 <unfinished ...>
[pid  3610] <... clone resumed>, child_tidptr=0x555556ecc690) = 3718
./strace-static-x86_64: Process 3718 attached
[pid  3718] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3717] <... setpgid resumed>)      = 0
[pid  3718] <... prctl resumed>)        = 0
[pid  3718] setpgid(0, 0)               = 0
[pid  3718] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3717] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3718] write(3, "1000", 4)         = 4
[pid  3718] close(3)                    = 0
[pid  3718] mkdir("./file0", 0777 <unfinished ...>
[pid  3717] <... openat resumed>)       = 3
[pid  3718] <... mkdir resumed>)        = -1 EEXIST (File exists)
[pid  3718] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3718] pipe2([3, 4], 0)            = 0
[pid  3717] write(3, "1000", 4 <unfinished ...>
[pid  3718] dup(4 <unfinished ...>
[pid  3717] <... write resumed>)        = 4
[pid  3718] <... dup resumed>)          = 5
[pid  3718] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3717] close(3)                    = 0
[pid  3717] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3709] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3717] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3717] pipe2([3, 4], 0)            = 0
[pid  3717] dup(4)                      = 5
[pid  3717] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3709] exit_group(0)               = ?
[pid  3709] +++ exited with 0 +++
[pid  3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3709, si_uid=0, si_status=0, si_utime=0, si_stime=2} ---
[pid  3608] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  3608] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3
[pid  3608] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3608] close(3)                    = 0
[pid  3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556ecc690) = 3719
./strace-static-x86_64: Process 3719 attached
[pid  3714] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3714] exit_group(0)               = ?
[pid  3714] +++ exited with 0 +++
[pid  3607] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3714, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
[pid  3607] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  3607] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3
[pid  3607] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3607] close(3)                    = 0
[pid  3607] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3720 attached
 <unfinished ...>
[pid  3720] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3607] <... clone resumed>, child_tidptr=0x555556ecc690) = 3720
[pid  3719] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3719] setpgid(0, 0)               = 0
[pid  3719] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3719] write(3, "1000", 4)         = 4
[pid  3719] close(3)                    = 0
[pid  3719] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3719] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3720] <... prctl resumed>)        = 0
[pid  3719] pipe2( <unfinished ...>
[pid  3720] setpgid(0, 0 <unfinished ...>
[pid  3719] <... pipe2 resumed>[3, 4], 0) = 0
[pid  3720] <... setpgid resumed>)      = 0
[pid  3719] dup(4 <unfinished ...>
[pid  3720] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3719] <... dup resumed>)          = 5
[pid  3719] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3720] <... openat resumed>)       = 3
[pid  3720] write(3, "1000", 4)         = 4
[pid  3716] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3720] close(3)                    = 0
[pid  3720] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3720] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3720] pipe2([3, 4], 0)            = 0
[pid  3720] dup(4)                      = 5
[pid  3720] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3716] exit_group(0)               = ?
[pid  3716] +++ exited with 0 +++
[pid  3717] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3717] exit_group(0)               = ?
[pid  3717] +++ exited with 0 +++
[pid  3606] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3717, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
[pid  3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3716, si_uid=0, si_status=0, si_utime=0, si_stime=2} ---
[pid  3606] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  3611] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid  3606] <... restart_syscall resumed>) = 0
[pid  3611] <... openat resumed>)       = 3
[pid  3611] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3606] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  3611] close(3 <unfinished ...>
[pid  3606] <... openat resumed>)       = 3
[pid  3611] <... close resumed>)        = 0
[pid  3606] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3606] close(3)                    = 0
[pid  3606] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556ecc690) = 3721
./strace-static-x86_64: Process 3721 attached
[pid  3721] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3721] setpgid(0, 0)               = 0
[pid  3721] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3721] write(3, "1000", 4)         = 4
[pid  3721] close(3)                    = 0
[pid  3721] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3721] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  3721] pipe2( <unfinished ...>
[pid  3611] <... clone resumed>, child_tidptr=0x555556ecc690) = 3722
[pid  3715] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3715] exit_group(0)               = ?
[pid  3721] <... pipe2 resumed>[3, 4], 0) = 0
[pid  3715] +++ exited with 0 +++
[pid  3721] dup(4 <unfinished ...>
[pid  3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3715, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
./strace-static-x86_64: Process 3722 attached
[pid  3721] <... dup resumed>)          = 5
[pid  3609] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  3722] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3721] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3609] <... restart_syscall resumed>) = 0
[pid  3722] <... prctl resumed>)        = 0
[pid  3722] setpgid(0, 0)               = 0
[pid  3609] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid  3722] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3609] <... openat resumed>)       = 3
[pid  3722] <... openat resumed>)       = 3
[pid  3609] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  3722] write(3, "1000", 4 <unfinished ...>
[pid  3609] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  3722] <... write resumed>)        = 4
[pid  3609] close(3 <unfinished ...>
[pid  3722] close(3 <unfinished ...>
[pid  3609] <... close resumed>)        = 0
[pid  3722] <... close resumed>)        = 0
[pid  3609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556ecc690) = 3723
./strace-static-x86_64: Process 3723 attached
[pid  3722] mkdir("./file0", 0777 <unfinished ...>
[pid  3723] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3722] <... mkdir resumed>)        = -1 EEXIST (File exists)
[pid  3723] <... prctl resumed>)        = 0
[pid  3722] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3723] setpgid(0, 0 <unfinished ...>
[pid  3722] pipe2( <unfinished ...>
[pid  3723] <... setpgid resumed>)      = 0
[pid  3722] <... pipe2 resumed>[3, 4], 0) = 0
[pid  3723] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3722] dup(4 <unfinished ...>
[pid  3723] <... openat resumed>)       = 3
[pid  3722] <... dup resumed>)          = 5
[pid  3723] write(3, "1000", 4 <unfinished ...>
[pid  3722] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3723] <... write resumed>)        = 4
[pid  3723] close(3)                    = 0
[pid  3723] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3723] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3723] pipe2([3, 4], 0)            = 0
[pid  3723] dup(4)                      = 5
[pid  3723] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3718] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3718] exit_group(0)               = ?
[pid  3718] +++ exited with 0 +++
[pid  3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3718, si_uid=0, si_status=0, si_utime=0, si_stime=2} ---
[pid  3610] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3
[pid  3610] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3610] close(3)                    = 0
[pid  3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556ecc690) = 3724
[pid  3720] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3720] exit_group(0)               = ?
[pid  3720] +++ exited with 0 +++
[pid  3607] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3720, si_uid=0, si_status=0, si_utime=0, si_stime=2} ---
[pid  3607] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  3607] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3
[pid  3607] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3607] close(3)                    = 0
[pid  3607] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556ecc690) = 3725
./strace-static-x86_64: Process 3724 attached
[pid  3724] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3724] setpgid(0, 0)               = 0
[pid  3724] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3724] write(3, "1000", 4)         = 4
./strace-static-x86_64: Process 3725 attached
[pid  3724] close(3 <unfinished ...>
[pid  3722] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3725] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3724] <... close resumed>)        = 0
[pid  3722] exit_group(0 <unfinished ...>
[pid  3725] <... prctl resumed>)        = 0
[pid  3724] mkdir("./file0", 0777 <unfinished ...>
[pid  3722] <... exit_group resumed>)   = ?
[pid  3725] setpgid(0, 0 <unfinished ...>
[pid  3724] <... mkdir resumed>)        = -1 EEXIST (File exists)
[pid  3722] +++ exited with 0 +++
[pid  3719] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3725] <... setpgid resumed>)      = 0
[pid  3719] exit_group(0 <unfinished ...>
[pid  3725] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3724] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3719] <... exit_group resumed>)   = ?
[pid  3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3722, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
[pid  3725] <... openat resumed>)       = 3
[pid  3724] pipe2( <unfinished ...>
[pid  3719] +++ exited with 0 +++
[pid  3611] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  3725] write(3, "1000", 4 <unfinished ...>
[pid  3611] <... restart_syscall resumed>) = 0
[pid  3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3719, si_uid=0, si_status=0, si_utime=0, si_stime=2} ---
[pid  3725] <... write resumed>)        = 4
[pid  3725] close(3)                    = 0
[pid  3611] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid  3725] mkdir("./file0", 0777 <unfinished ...>
[pid  3611] <... openat resumed>)       = 3
[pid  3725] <... mkdir resumed>)        = -1 EEXIST (File exists)
[pid  3611] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  3608] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid  3725] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3724] <... pipe2 resumed>[3, 4], 0) = 0
[pid  3611] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  3725] pipe2( <unfinished ...>
[pid  3724] dup(4 <unfinished ...>
[pid  3611] close(3 <unfinished ...>
[pid  3608] <... openat resumed>)       = 3
[pid  3725] <... pipe2 resumed>[3, 4], 0) = 0
[pid  3611] <... close resumed>)        = 0
[pid  3724] <... dup resumed>)          = 5
[pid  3608] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  3725] dup(4 <unfinished ...>
[pid  3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  3608] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  3725] <... dup resumed>)          = 5
[pid  3724] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3608] close(3 <unfinished ...>
[pid  3725] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3611] <... clone resumed>, child_tidptr=0x555556ecc690) = 3726
[pid  3608] <... close resumed>)        = 0
[pid  3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556ecc690) = 3727
./strace-static-x86_64: Process 3727 attached
./strace-static-x86_64: Process 3726 attached
[pid  3721] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3721] exit_group(0)               = ?
[pid  3721] +++ exited with 0 +++
[pid  3606] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3721, si_uid=0, si_status=0, si_utime=0, si_stime=2} ---
[pid  3606] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  3606] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
[pid  3606] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3606] close(3 <unfinished ...>
[pid  3727] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3606] <... close resumed>)        = 0
[pid  3727] <... prctl resumed>)        = 0
[pid  3606] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3728 attached
 <unfinished ...>
[pid  3727] setpgid(0, 0 <unfinished ...>
[pid  3728] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3727] <... setpgid resumed>)      = 0
[pid  3606] <... clone resumed>, child_tidptr=0x555556ecc690) = 3728
[pid  3728] <... prctl resumed>)        = 0
[pid  3727] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3728] setpgid(0, 0 <unfinished ...>
[pid  3727] <... openat resumed>)       = 3
[pid  3728] <... setpgid resumed>)      = 0
[pid  3727] write(3, "1000", 4 <unfinished ...>
[pid  3728] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3727] <... write resumed>)        = 4
[pid  3726] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3728] <... openat resumed>)       = 3
[pid  3727] close(3 <unfinished ...>
[pid  3726] <... prctl resumed>)        = 0
[pid  3728] write(3, "1000", 4 <unfinished ...>
[pid  3727] <... close resumed>)        = 0
[pid  3726] setpgid(0, 0)               = 0
[pid  3726] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3728] <... write resumed>)        = 4
[pid  3727] mkdir("./file0", 0777 <unfinished ...>
[pid  3726] <... openat resumed>)       = 3
[pid  3726] write(3, "1000", 4 <unfinished ...>
[pid  3728] close(3 <unfinished ...>
[pid  3727] <... mkdir resumed>)        = -1 EEXIST (File exists)
[pid  3726] <... write resumed>)        = 4
[pid  3726] close(3 <unfinished ...>
[pid  3728] <... close resumed>)        = 0
[pid  3727] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3726] <... close resumed>)        = 0
[pid  3726] mkdir("./file0", 0777 <unfinished ...>
[pid  3727] pipe2( <unfinished ...>
[pid  3728] mkdir("./file0", 0777 <unfinished ...>
[pid  3726] <... mkdir resumed>)        = -1 EEXIST (File exists)
[pid  3726] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3727] <... pipe2 resumed>[3, 4], 0) = 0
[pid  3728] <... mkdir resumed>)        = -1 EEXIST (File exists)
[pid  3726] pipe2( <unfinished ...>
[pid  3728] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3727] dup(4 <unfinished ...>
[pid  3726] <... pipe2 resumed>[3, 4], 0) = 0
[pid  3728] pipe2( <unfinished ...>
[pid  3727] <... dup resumed>)          = 5
[pid  3726] dup(4 <unfinished ...>
[pid  3727] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3726] <... dup resumed>)          = 5
[pid  3728] <... pipe2 resumed>[3, 4], 0) = 0
[pid  3726] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3728] dup(4)                      = 5
[pid  3728] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3723] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3723] exit_group(0)               = ?
[pid  3723] +++ exited with 0 +++
[pid  3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3723, si_uid=0, si_status=0, si_utime=0, si_stime=2} ---
[pid  3609] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  3609] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3
[pid  3609] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3609] close(3)                    = 0
[pid  3609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556ecc690) = 3729
./strace-static-x86_64: Process 3729 attached
[pid  3729] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3725] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3729] setpgid(0, 0)               = 0
[pid  3729] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3729] write(3, "1000", 4)         = 4
[pid  3729] close(3)                    = 0
[pid  3729] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3729] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3729] pipe2([3, 4], 0)            = 0
[pid  3729] dup(4)                      = 5
[pid  3729] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3725] exit_group(0)               = ?
[pid  3725] +++ exited with 0 +++
[pid  3607] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3725, si_uid=0, si_status=0, si_utime=0, si_stime=2} ---
[pid  3607] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  3607] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3
[pid  3607] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3607] close(3)                    = 0
[pid  3607] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556ecc690) = 3730
./strace-static-x86_64: Process 3730 attached
[pid  3730] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3730] setpgid(0, 0)               = 0
[pid  3730] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3730] write(3, "1000", 4)         = 4
[pid  3730] close(3)                    = 0
[pid  3730] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3730] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3730] pipe2([3, 4], 0)            = 0
[pid  3730] dup(4)                      = 5
[pid  3730] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3726] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3726] exit_group(0)               = ?
[pid  3726] +++ exited with 0 +++
[pid  3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3726, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
[pid  3611] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3
[pid  3611] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3611] close(3)                    = 0
[pid  3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556ecc690) = 3731
./strace-static-x86_64: Process 3731 attached
[pid  3731] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3731] setpgid(0, 0)               = 0
[pid  3731] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3731] write(3, "1000", 4)         = 4
[pid  3731] close(3)                    = 0
[pid  3731] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3731] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3731] pipe2([3, 4], 0)            = 0
[pid  3731] dup(4)                      = 5
[pid  3731] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3724] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3724] exit_group(0)               = ?
[pid  3724] +++ exited with 0 +++
[pid  3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3724, si_uid=0, si_status=0, si_utime=0, si_stime=2} ---
[pid  3610] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3
[pid  3610] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3610] close(3)                    = 0
[pid  3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556ecc690) = 3732
./strace-static-x86_64: Process 3732 attached
[pid  3732] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3732] setpgid(0, 0)               = 0
[pid  3732] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3727] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3732] <... openat resumed>)       = 3
[pid  3732] write(3, "1000", 4)         = 4
[pid  3732] close(3 <unfinished ...>
[pid  3727] exit_group(0)               = ?
[pid  3732] <... close resumed>)        = 0
[pid  3732] mkdir("./file0", 0777 <unfinished ...>
[pid  3727] +++ exited with 0 +++
[pid  3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3727, si_uid=0, si_status=0, si_utime=0, si_stime=2} ---
[pid  3732] <... mkdir resumed>)        = -1 EEXIST (File exists)
[pid  3608] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  3732] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3608] <... restart_syscall resumed>) = 0
[pid  3732] pipe2([3, 4], 0)            = 0
[pid  3732] dup(4 <unfinished ...>
[pid  3608] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid  3732] <... dup resumed>)          = 5
[pid  3608] <... openat resumed>)       = 3
[pid  3732] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3608] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3729] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3608] close(3 <unfinished ...>
[pid  3729] exit_group(0 <unfinished ...>
[pid  3608] <... close resumed>)        = 0
[pid  3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556ecc690) = 3733
[pid  3729] <... exit_group resumed>)   = ?
./strace-static-x86_64: Process 3733 attached
[pid  3733] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3733] setpgid(0, 0)               = 0
[pid  3733] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3733] write(3, "1000", 4)         = 4
[pid  3733] close(3)                    = 0
[pid  3733] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3733] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3733] pipe2([3, 4], 0)            = 0
[pid  3733] dup(4)                      = 5
[pid  3733] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3729] +++ exited with 0 +++
[pid  3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3729, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
[pid  3609] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  3609] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3
[pid  3609] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3609] close(3)                    = 0
[pid  3609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  3728] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3728] exit_group(0 <unfinished ...>
[pid  3609] <... clone resumed>, child_tidptr=0x555556ecc690) = 3734
[pid  3728] <... exit_group resumed>)   = ?
[pid  3728] +++ exited with 0 +++
[pid  3606] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3728, si_uid=0, si_status=0, si_utime=0, si_stime=2} ---
[pid  3606] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
[pid  3606] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3606] close(3./strace-static-x86_64: Process 3734 attached
)                    = 0
[pid  3734] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3606] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  3734] <... prctl resumed>)        = 0
[pid  3734] setpgid(0, 0 <unfinished ...>
[pid  3606] <... clone resumed>, child_tidptr=0x555556ecc690) = 3735
[pid  3734] <... setpgid resumed>)      = 0
[pid  3734] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3734] write(3, "1000", 4)         = 4
[pid  3734] close(3)                    = 0
[pid  3734] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3734] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3734] pipe2([3, 4], 0)            = 0
[pid  3734] dup(4)                      = 5
[pid  3734] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005,"./strace-static-x86_64: Process 3735 attached
 <unfinished ...>
[pid  3735] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3735] setpgid(0, 0)               = 0
[pid  3735] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3735] write(3, "1000", 4)         = 4
[pid  3735] close(3)                    = 0
[pid  3735] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3730] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3735] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3735] pipe2([3, 4], 0)            = 0
[pid  3735] dup(4)                      = 5
[pid  3735] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3730] exit_group(0)               = ?
[pid  3730] +++ exited with 0 +++
[pid  3607] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3730, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
[pid  3607] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3
[pid  3607] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3607] close(3)                    = 0
[pid  3607] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556ecc690) = 3736
./strace-static-x86_64: Process 3736 attached
[pid  3736] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3736] setpgid(0, 0)               = 0
[pid  3736] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3736] write(3, "1000", 4)         = 4
[pid  3736] close(3)                    = 0
[pid  3736] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3736] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3736] pipe2([3, 4], 0)            = 0
[pid  3736] dup(4)                      = 5
[pid  3736] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3731] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3731] exit_group(0)               = ?
[pid  3731] +++ exited with 0 +++
[pid  3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3731, si_uid=0, si_status=0, si_utime=0, si_stime=2} ---
[pid  3735] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3735] exit_group(0)               = ?
[pid  3735] +++ exited with 0 +++
[pid  3606] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3735, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
[pid  3606] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
[pid  3611] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid  3606] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  3611] <... openat resumed>)       = 3
[pid  3606] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  3611] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  3606] close(3 <unfinished ...>
[pid  3611] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  3606] <... close resumed>)        = 0
[pid  3606] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556ecc690) = 3737
[pid  3611] close(3)                    = 0
[pid  3732] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3732] exit_group(0 <unfinished ...>
[pid  3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  3732] <... exit_group resumed>)   = ?
[pid  3611] <... clone resumed>, child_tidptr=0x555556ecc690) = 3738
[pid  3732] +++ exited with 0 +++
[pid  3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3732, si_uid=0, si_status=0, si_utime=0, si_stime=2} ---
[pid  3610] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  3610] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3
./strace-static-x86_64: Process 3737 attached
[pid  3610] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3610] close(3)                    = 0
[pid  3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556ecc690) = 3739
./strace-static-x86_64: Process 3738 attached
[pid  3737] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3737] setpgid(0, 0 <unfinished ...>
[pid  3733] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3737] <... setpgid resumed>)      = 0
[pid  3733] exit_group(0 <unfinished ...>
[pid  3737] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3733] <... exit_group resumed>)   = ?
./strace-static-x86_64: Process 3739 attached
[pid  3738] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3737] <... openat resumed>)       = 3
[pid  3738] <... prctl resumed>)        = 0
[pid  3737] write(3, "1000", 4 <unfinished ...>
[pid  3733] +++ exited with 0 +++
[pid  3739] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3738] setpgid(0, 0 <unfinished ...>
[pid  3737] <... write resumed>)        = 4
[pid  3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3733, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
[pid  3739] <... prctl resumed>)        = 0
[pid  3738] <... setpgid resumed>)      = 0
[pid  3737] close(3 <unfinished ...>
[pid  3608] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  3739] setpgid(0, 0 <unfinished ...>
[pid  3738] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3608] <... restart_syscall resumed>) = 0
[pid  3738] <... openat resumed>)       = 3
[pid  3738] write(3, "1000", 4)         = 4
[pid  3608] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid  3738] close(3 <unfinished ...>
[pid  3608] <... openat resumed>)       = 3
[pid  3738] <... close resumed>)        = 0
[pid  3608] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  3738] mkdir("./file0", 0777 <unfinished ...>
[pid  3608] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  3738] <... mkdir resumed>)        = -1 EEXIST (File exists)
[pid  3608] close(3 <unfinished ...>
[pid  3739] <... setpgid resumed>)      = 0
[pid  3738] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3737] <... close resumed>)        = 0
[pid  3608] <... close resumed>)        = 0
[pid  3739] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3738] pipe2( <unfinished ...>
[pid  3737] mkdir("./file0", 0777 <unfinished ...>
[pid  3734] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  3739] <... openat resumed>)       = 3
[pid  3738] <... pipe2 resumed>[3, 4], 0) = 0
[pid  3737] <... mkdir resumed>)        = -1 EEXIST (File exists)
[pid  3734] exit_group(0 <unfinished ...>
[pid  3739] write(3, "1000", 4 <unfinished ...>
[pid  3738] dup(4 <unfinished ...>
[pid  3737] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3608] <... clone resumed>, child_tidptr=0x555556ecc690) = 3740
[pid  3739] <... write resumed>)        = 4
[pid  3738] <... dup resumed>)          = 5
[pid  3737] pipe2( <unfinished ...>
[pid  3734] <... exit_group resumed>)   = ?
./strace-static-x86_64: Process 3740 attached
[pid  3739] close(3 <unfinished ...>
[pid  3738] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3737] <... pipe2 resumed>[3, 4], 0) = 0
[pid  3734] +++ exited with 0 +++
[pid  3740] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3739] <... close resumed>)        = 0
[pid  3737] dup(4 <unfinished ...>
[pid  3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3734, si_uid=0, si_status=0, si_utime=0, si_stime=2} ---
[pid  3740] <... prctl resumed>)        = 0
[pid  3739] mkdir("./file0", 0777 <unfinished ...>
[pid  3737] <... dup resumed>)          = 5
[pid  3740] setpgid(0, 0 <unfinished ...>
[pid  3739] <... mkdir resumed>)        = -1 EEXIST (File exists)
[pid  3737] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3740] <... setpgid resumed>)      = 0
[pid  3739] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3609] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid  3740] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3739] pipe2( <unfinished ...>
[pid  3609] <... openat resumed>)       = 3
[pid  3740] <... openat resumed>)       = 3
[pid  3739] <... pipe2 resumed>[3, 4], 0) = 0
[pid  3609] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  3740] write(3, "1000", 4 <unfinished ...>
[pid  3739] dup(4 <unfinished ...>
[pid  3609] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  3740] <... write resumed>)        = 4
[pid  3739] <... dup resumed>)          = 5
[pid  3609] close(3 <unfinished ...>
[pid  3740] close(3 <unfinished ...>
[pid  3739] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3609] <... close resumed>)        = 0
[pid  3740] <... close resumed>)        = 0
[pid  3609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3741 attached
 <unfinished ...>
[pid  3740] mkdir("./file0", 0777 <unfinished ...>
[pid  3741] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3740] <... mkdir resumed>)        = -1 EEXIST (File exists)
[pid  3609] <... clone resumed>, child_tidptr=0x555556ecc690) = 3741
[pid  3741] <... prctl resumed>)        = 0
[pid  3740] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3741] setpgid(0, 0 <unfinished ...>
[pid  3740] pipe2( <unfinished ...>
[pid  3741] <... setpgid resumed>)      = 0
[pid  3740] <... pipe2 resumed>[3, 4], 0) = 0
[pid  3741] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3740] dup(4 <unfinished ...>
[pid  3741] <... openat resumed>)       = 3
[pid  3740] <... dup resumed>)          = 5
[pid  3741] write(3, "1000", 4 <unfinished ...>
[pid  3740] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3741] <... write resumed>)        = 4
[pid  3741] close(3)                    = 0
[pid  3741] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3741] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3741] pipe2([3, 4], 0)            = 0
[pid  3741] dup(4)                      = 5
[pid  3741] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3736] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3736] exit_group(0)               = ?
[pid  3736] +++ exited with 0 +++
[pid  3607] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3736, si_uid=0, si_status=0, si_utime=0, si_stime=2} ---
[pid  3607] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  3607] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3
[pid  3607] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3607] close(3)                    = 0
[pid  3607] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3742 attached
 <unfinished ...>
[pid  3742] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3607] <... clone resumed>, child_tidptr=0x555556ecc690) = 3742
[pid  3742] <... prctl resumed>)        = 0
[pid  3742] setpgid(0, 0)               = 0
[pid  3742] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3742] write(3, "1000", 4)         = 4
[pid  3742] close(3)                    = 0
[pid  3742] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3742] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3742] pipe2([3, 4], 0)            = 0
[pid  3742] dup(4)                      = 5
[pid  3742] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3738] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3738] exit_group(0)               = ?
[pid  3738] +++ exited with 0 +++
[pid  3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3738, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
[pid  3611] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3
[pid  3611] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3611] close(3)                    = 0
[pid  3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3743 attached
 <unfinished ...>
[pid  3743] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3611] <... clone resumed>, child_tidptr=0x555556ecc690) = 3743
[pid  3743] <... prctl resumed>)        = 0
[pid  3743] setpgid(0, 0)               = 0
[pid  3743] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3743] write(3, "1000", 4)         = 4
[pid  3743] close(3)                    = 0
[pid  3743] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3743] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3743] pipe2([3, 4], 0)            = 0
[pid  3743] dup(4)                      = 5
[pid  3743] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3739] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3739] exit_group(0)               = ?
[pid  3739] +++ exited with 0 +++
[pid  3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3739, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
[pid  3610] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3
[pid  3610] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3610] close(3)                    = 0
[pid  3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556ecc690) = 3744
./strace-static-x86_64: Process 3744 attached
[pid  3737] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3744] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3737] exit_group(0 <unfinished ...>
[pid  3744] <... prctl resumed>)        = 0
[pid  3737] <... exit_group resumed>)   = ?
[pid  3744] setpgid(0, 0 <unfinished ...>
[pid  3740] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3744] <... setpgid resumed>)      = 0
[pid  3737] +++ exited with 0 +++
[pid  3744] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3740] exit_group(0 <unfinished ...>
[pid  3606] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3737, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
[pid  3744] <... openat resumed>)       = 3
[pid  3740] <... exit_group resumed>)   = ?
[pid  3744] write(3, "1000", 4 <unfinished ...>
[pid  3740] +++ exited with 0 +++
[pid  3744] <... write resumed>)        = 4
[pid  3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3740, si_uid=0, si_status=0, si_utime=0, si_stime=2} ---
[pid  3608] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid  3606] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  3744] close(3 <unfinished ...>
[pid  3608] <... openat resumed>)       = 3
[pid  3606] <... openat resumed>)       = 3
[pid  3744] <... close resumed>)        = 0
[pid  3608] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  3606] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  3744] mkdir("./file0", 0777 <unfinished ...>
[pid  3608] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  3606] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  3744] <... mkdir resumed>)        = -1 EEXIST (File exists)
[pid  3608] close(3 <unfinished ...>
[pid  3606] close(3 <unfinished ...>
[pid  3744] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3744] pipe2( <unfinished ...>
[pid  3608] <... close resumed>)        = 0
[pid  3744] <... pipe2 resumed>[3, 4], 0) = 0
[pid  3606] <... close resumed>)        = 0
[pid  3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  3744] dup(4 <unfinished ...>
[pid  3606] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  3744] <... dup resumed>)          = 5
[pid  3744] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3608] <... clone resumed>, child_tidptr=0x555556ecc690) = 3745
[pid  3606] <... clone resumed>, child_tidptr=0x555556ecc690) = 3746
./strace-static-x86_64: Process 3746 attached
[pid  3746] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3746] setpgid(0, 0)               = 0
[pid  3746] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3746] write(3, "1000", 4)         = 4
[pid  3746] close(3)                    = 0
[pid  3746] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3746] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3746] pipe2([3, 4], 0)            = 0
[pid  3746] dup(4)                      = 5
[pid  3746] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005,"./strace-static-x86_64: Process 3745 attached
 <unfinished ...>
[pid  3745] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3741] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3741] exit_group(0 <unfinished ...>
[pid  3745] <... prctl resumed>)        = 0
[pid  3741] <... exit_group resumed>)   = ?
[pid  3745] setpgid(0, 0)               = 0
[pid  3741] +++ exited with 0 +++
[pid  3745] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3741, si_uid=0, si_status=0, si_utime=0, si_stime=2} ---
[pid  3745] <... openat resumed>)       = 3
[pid  3745] write(3, "1000", 4)         = 4
[pid  3745] close(3)                    = 0
[pid  3745] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3609] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid  3745] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3609] <... openat resumed>)       = 3
[pid  3745] pipe2([3, 4], 0)            = 0
[pid  3609] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  3745] dup(4)                      = 5
[pid  3609] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  3745] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3609] close(3)                    = 0
[pid  3609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3747 attached
, child_tidptr=0x555556ecc690) = 3747
[pid  3747] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3747] setpgid(0, 0)               = 0
[pid  3747] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3747] write(3, "1000", 4)         = 4
[pid  3747] close(3)                    = 0
[pid  3747] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3747] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3747] pipe2([3, 4], 0)            = 0
[pid  3747] dup(4)                      = 5
[pid  3747] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3742] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3742] exit_group(0)               = ?
[pid  3742] +++ exited with 0 +++
[pid  3607] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3742, si_uid=0, si_status=0, si_utime=0, si_stime=2} ---
[pid  3607] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  3607] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3
[pid  3607] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3607] close(3)                    = 0
[pid  3607] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556ecc690) = 3748
./strace-static-x86_64: Process 3748 attached
[pid  3748] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3743] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3748] <... prctl resumed>)        = 0
[pid  3748] setpgid(0, 0)               = 0
[pid  3743] exit_group(0 <unfinished ...>
[pid  3748] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3743] <... exit_group resumed>)   = ?
[pid  3748] write(3, "1000", 4)         = 4
[pid  3748] close(3 <unfinished ...>
[pid  3743] +++ exited with 0 +++
[pid  3748] <... close resumed>)        = 0
[pid  3748] mkdir("./file0", 0777 <unfinished ...>
[pid  3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3743, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
[pid  3748] <... mkdir resumed>)        = -1 EEXIST (File exists)
[pid  3611] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid  3748] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3611] <... openat resumed>)       = 3
[pid  3748] pipe2( <unfinished ...>
[pid  3611] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  3748] <... pipe2 resumed>[3, 4], 0) = 0
[pid  3611] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  3748] dup(4 <unfinished ...>
[pid  3611] close(3 <unfinished ...>
[pid  3748] <... dup resumed>)          = 5
[pid  3611] <... close resumed>)        = 0
[pid  3748] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3749 attached
 <unfinished ...>
[pid  3749] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3611] <... clone resumed>, child_tidptr=0x555556ecc690) = 3749
[pid  3749] <... prctl resumed>)        = 0
[pid  3749] setpgid(0, 0)               = 0
[pid  3749] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3749] write(3, "1000", 4)         = 4
[pid  3749] close(3)                    = 0
[pid  3749] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3749] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3749] pipe2( <unfinished ...>
[pid  3746] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3746] exit_group(0)               = ?
[pid  3746] +++ exited with 0 +++
[pid  3606] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3746, si_uid=0, si_status=0, si_utime=0, si_stime=2} ---
[pid  3606] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
[pid  3606] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3606] close(3)                    = 0
[pid  3606] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556ecc690) = 3750
[pid  3749] <... pipe2 resumed>[3, 4], 0) = 0
[pid  3749] dup(4./strace-static-x86_64: Process 3750 attached
)                      = 5
[pid  3750] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3749] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3750] <... prctl resumed>)        = 0
[pid  3750] setpgid(0, 0)               = 0
[pid  3750] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3750] write(3, "1000", 4)         = 4
[pid  3750] close(3)                    = 0
[pid  3750] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3750] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3750] pipe2([3, 4], 0)            = 0
[pid  3750] dup(4)                      = 5
[pid  3750] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3744] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3744] exit_group(0)               = ?
[pid  3744] +++ exited with 0 +++
[pid  3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3744, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
[pid  3610] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3
[pid  3610] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3610] close(3)                    = 0
[pid  3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556ecc690) = 3751
./strace-static-x86_64: Process 3751 attached
[pid  3751] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3745] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3747] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3747] exit_group(0)               = ?
[pid  3747] +++ exited with 0 +++
[pid  3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3747, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
[pid  3609] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  3609] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3
[pid  3609] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3751] <... prctl resumed>)        = 0
[pid  3745] exit_group(0 <unfinished ...>
[pid  3609] close(3)                    = 0
[pid  3751] setpgid(0, 0 <unfinished ...>
[pid  3745] <... exit_group resumed>)   = ?
[pid  3609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  3751] <... setpgid resumed>)      = 0
[pid  3745] +++ exited with 0 +++
[pid  3751] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3609] <... clone resumed>, child_tidptr=0x555556ecc690) = 3752
[pid  3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3745, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
[pid  3751] <... openat resumed>)       = 3
[pid  3751] write(3, "1000", 4./strace-static-x86_64: Process 3752 attached
 <unfinished ...>
[pid  3752] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3752] setpgid(0, 0)               = 0
[pid  3751] <... write resumed>)        = 4
[pid  3608] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid  3751] close(3 <unfinished ...>
[pid  3752] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3752] write(3, "1000", 4)         = 4
[pid  3752] close(3)                    = 0
[pid  3752] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3751] <... close resumed>)        = 0
[pid  3748] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3608] <... openat resumed>)       = 3
[pid  3752] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3752] pipe2([3, 4], 0)            = 0
[pid  3752] dup(4)                      = 5
[pid  3752] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3751] mkdir("./file0", 0777 <unfinished ...>
[pid  3608] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  3751] <... mkdir resumed>)        = -1 EEXIST (File exists)
[pid  3748] exit_group(0 <unfinished ...>
[pid  3608] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  3751] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3748] <... exit_group resumed>)   = ?
[pid  3608] close(3 <unfinished ...>
[pid  3751] pipe2([3, 4], 0)            = 0
[pid  3608] <... close resumed>)        = 0
[pid  3751] dup(4 <unfinished ...>
[pid  3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  3751] <... dup resumed>)          = 5
[pid  3748] +++ exited with 0 +++
[pid  3751] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3607] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3748, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
[pid  3608] <... clone resumed>, child_tidptr=0x555556ecc690) = 3753
[pid  3749] <... mount resumed>)        = -1 EFAULT (Bad address)
./strace-static-x86_64: Process 3753 attached
[pid  3749] exit_group(0 <unfinished ...>
[pid  3607] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid  3753] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3749] <... exit_group resumed>)   = ?
[pid  3607] <... openat resumed>)       = 3
[pid  3753] <... prctl resumed>)        = 0
[pid  3607] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  3753] setpgid(0, 0 <unfinished ...>
[pid  3749] +++ exited with 0 +++
[pid  3607] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  3753] <... setpgid resumed>)      = 0
[pid  3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3749, si_uid=0, si_status=0, si_utime=0, si_stime=2} ---
[pid  3607] close(3 <unfinished ...>
[pid  3753] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3750] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3611] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  3607] <... close resumed>)        = 0
[pid  3753] <... openat resumed>)       = 3
[pid  3750] exit_group(0 <unfinished ...>
[pid  3611] <... restart_syscall resumed>) = 0
[pid  3607] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  3753] write(3, "1000", 4 <unfinished ...>
[pid  3750] <... exit_group resumed>)   = ?
[pid  3753] <... write resumed>)        = 4
[pid  3753] close(3 <unfinished ...>
[pid  3611] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid  3607] <... clone resumed>, child_tidptr=0x555556ecc690) = 3754
./strace-static-x86_64: Process 3754 attached
[pid  3753] <... close resumed>)        = 0
[pid  3750] +++ exited with 0 +++
[pid  3611] <... openat resumed>)       = 3
[pid  3754] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3753] mkdir("./file0", 0777 <unfinished ...>
[pid  3611] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3606] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3750, si_uid=0, si_status=0, si_utime=1, si_stime=1} ---
[pid  3611] close(3 <unfinished ...>
[pid  3606] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  3753] <... mkdir resumed>)        = -1 EEXIST (File exists)
[pid  3611] <... close resumed>)        = 0
[pid  3606] <... restart_syscall resumed>) = 0
[pid  3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  3753] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3753] pipe2( <unfinished ...>
[pid  3611] <... clone resumed>, child_tidptr=0x555556ecc690) = 3755
[pid  3606] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  3753] <... pipe2 resumed>[3, 4], 0) = 0
[pid  3606] <... openat resumed>)       = 3
[pid  3754] <... prctl resumed>)        = 0
[pid  3753] dup(4 <unfinished ...>
[pid  3606] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  3754] setpgid(0, 0 <unfinished ...>
[pid  3753] <... dup resumed>)          = 5
[pid  3606] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  3754] <... setpgid resumed>)      = 0
[pid  3753] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3606] close(3 <unfinished ...>
[pid  3754] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3606] <... close resumed>)        = 0
[pid  3754] <... openat resumed>)       = 3
[pid  3606] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556ecc690) = 3756
./strace-static-x86_64: Process 3755 attached
[pid  3755] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3755] setpgid(0, 0)               = 0
[pid  3755] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3755] write(3, "1000", 4)         = 4
[pid  3755] close(3)                    = 0
./strace-static-x86_64: Process 3756 attached
[pid  3755] mkdir("./file0", 0777 <unfinished ...>
[pid  3754] write(3, "1000", 4 <unfinished ...>
[pid  3756] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3755] <... mkdir resumed>)        = -1 EEXIST (File exists)
[pid  3754] <... write resumed>)        = 4
[pid  3756] <... prctl resumed>)        = 0
[pid  3755] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3754] close(3 <unfinished ...>
[pid  3756] setpgid(0, 0 <unfinished ...>
[pid  3755] pipe2( <unfinished ...>
[pid  3754] <... close resumed>)        = 0
[pid  3756] <... setpgid resumed>)      = 0
[pid  3755] <... pipe2 resumed>[3, 4], 0) = 0
[pid  3754] mkdir("./file0", 0777 <unfinished ...>
[pid  3756] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3755] dup(4 <unfinished ...>
[pid  3754] <... mkdir resumed>)        = -1 EEXIST (File exists)
[pid  3755] <... dup resumed>)          = 5
[pid  3754] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3756] <... openat resumed>)       = 3
[pid  3754] pipe2( <unfinished ...>
[pid  3756] write(3, "1000", 4 <unfinished ...>
[pid  3755] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3754] <... pipe2 resumed>[3, 4], 0) = 0
[pid  3756] <... write resumed>)        = 4
[pid  3754] dup(4 <unfinished ...>
[pid  3756] close(3 <unfinished ...>
[pid  3754] <... dup resumed>)          = 5
[pid  3756] <... close resumed>)        = 0
[pid  3754] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3756] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3756] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3756] pipe2([3, 4], 0)            = 0
[pid  3756] dup(4)                      = 5
[pid  3756] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3751] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3751] exit_group(0)               = ?
[pid  3751] +++ exited with 0 +++
[pid  3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3751, si_uid=0, si_status=0, si_utime=0, si_stime=2} ---
[pid  3610] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3
[pid  3610] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3610] close(3)                    = 0
[pid  3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556ecc690) = 3757
./strace-static-x86_64: Process 3757 attached
[pid  3757] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3757] setpgid(0, 0)               = 0
[pid  3757] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3757] write(3, "1000", 4 <unfinished ...>
[pid  3752] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3757] <... write resumed>)        = 4
[pid  3752] exit_group(0 <unfinished ...>
[pid  3757] close(3 <unfinished ...>
[pid  3752] <... exit_group resumed>)   = ?
[pid  3757] <... close resumed>)        = 0
[pid  3752] +++ exited with 0 +++
[pid  3757] mkdir("./file0", 0777 <unfinished ...>
[pid  3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3752, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
[pid  3757] <... mkdir resumed>)        = -1 EEXIST (File exists)
[pid  3757] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3757] pipe2( <unfinished ...>
[pid  3609] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid  3757] <... pipe2 resumed>[3, 4], 0) = 0
[pid  3609] <... openat resumed>)       = 3
[pid  3757] dup(4 <unfinished ...>
[pid  3609] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  3757] <... dup resumed>)          = 5
[pid  3609] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  3757] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3609] close(3)                    = 0
[pid  3609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3758 attached
, child_tidptr=0x555556ecc690) = 3758
[pid  3758] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3758] setpgid(0, 0)               = 0
[pid  3758] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3758] write(3, "1000", 4)         = 4
[pid  3758] close(3)                    = 0
[pid  3758] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3758] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3758] pipe2([3, 4], 0)            = 0
[pid  3758] dup(4)                      = 5
[pid  3758] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3753] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3753] exit_group(0)               = ?
[pid  3753] +++ exited with 0 +++
[pid  3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3753, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
[pid  3608] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  3608] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3
[pid  3608] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3608] close(3)                    = 0
[pid  3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556ecc690) = 3761
./strace-static-x86_64: Process 3761 attached
[pid  3755] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3761] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3755] exit_group(0 <unfinished ...>
[pid  3761] <... prctl resumed>)        = 0
[pid  3755] <... exit_group resumed>)   = ?
[pid  3755] +++ exited with 0 +++
[pid  3761] setpgid(0, 0 <unfinished ...>
[pid  3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3755, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
[pid  3761] <... setpgid resumed>)      = 0
[pid  3611] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  3761] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3611] <... restart_syscall resumed>) = 0
[pid  3761] <... openat resumed>)       = 3
[pid  3761] write(3, "1000", 4 <unfinished ...>
[pid  3611] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid  3761] <... write resumed>)        = 4
[pid  3611] <... openat resumed>)       = 3
[pid  3761] close(3 <unfinished ...>
[pid  3611] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  3761] <... close resumed>)        = 0
[pid  3611] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  3761] mkdir("./file0", 0777 <unfinished ...>
[pid  3611] close(3 <unfinished ...>
[pid  3761] <... mkdir resumed>)        = -1 EEXIST (File exists)
[pid  3611] <... close resumed>)        = 0
[pid  3761] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3762 attached
 <unfinished ...>
[pid  3761] pipe2([3, 4], 0)            = 0
[pid  3611] <... clone resumed>, child_tidptr=0x555556ecc690) = 3762
[pid  3762] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3761] dup(4 <unfinished ...>
[pid  3762] <... prctl resumed>)        = 0
[pid  3761] <... dup resumed>)          = 5
[pid  3762] setpgid(0, 0 <unfinished ...>
[pid  3761] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3762] <... setpgid resumed>)      = 0
[pid  3762] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3762] write(3, "1000", 4)         = 4
[pid  3762] close(3)                    = 0
[pid  3762] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3762] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3762] pipe2( <unfinished ...>
[pid  3754] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3754] exit_group(0 <unfinished ...>
[pid  3762] <... pipe2 resumed>[3, 4], 0) = 0
[pid  3754] <... exit_group resumed>)   = ?
[pid  3754] +++ exited with 0 +++
[pid  3762] dup(4)                      = 5
[pid  3607] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3754, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
[pid  3762] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3607] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  3607] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3
[pid  3607] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3607] close(3 <unfinished ...>
[pid  3756] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3607] <... close resumed>)        = 0
[pid  3756] exit_group(0 <unfinished ...>
[pid  3607] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  3756] <... exit_group resumed>)   = ?
[pid  3607] <... clone resumed>, child_tidptr=0x555556ecc690) = 3764
[pid  3756] +++ exited with 0 +++
./strace-static-x86_64: Process 3764 attached
[pid  3606] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3756, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
[pid  3606] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  3764] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3757] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3764] <... prctl resumed>)        = 0
[pid  3757] exit_group(0 <unfinished ...>
[pid  3764] setpgid(0, 0 <unfinished ...>
[pid  3757] <... exit_group resumed>)   = ?
[pid  3606] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  3764] <... setpgid resumed>)      = 0
[pid  3606] <... openat resumed>)       = 3
[pid  3764] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3757] +++ exited with 0 +++
[pid  3606] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  3764] <... openat resumed>)       = 3
[pid  3606] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  3764] write(3, "1000", 4 <unfinished ...>
[pid  3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3757, si_uid=0, si_status=0, si_utime=0, si_stime=2} ---
[pid  3606] close(3 <unfinished ...>
[pid  3764] <... write resumed>)        = 4
[pid  3610] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid  3606] <... close resumed>)        = 0
[pid  3764] close(3 <unfinished ...>
[pid  3610] <... openat resumed>)       = 3
[pid  3606] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3765 attached
 <unfinished ...>
[pid  3764] <... close resumed>)        = 0
[pid  3610] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  3765] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3764] mkdir("./file0", 0777 <unfinished ...>
[pid  3610] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  3606] <... clone resumed>, child_tidptr=0x555556ecc690) = 3765
[pid  3765] <... prctl resumed>)        = 0
[pid  3764] <... mkdir resumed>)        = -1 EEXIST (File exists)
[pid  3610] close(3 <unfinished ...>
[pid  3765] setpgid(0, 0 <unfinished ...>
[pid  3764] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3610] <... close resumed>)        = 0
[pid  3765] <... setpgid resumed>)      = 0
[pid  3764] pipe2( <unfinished ...>
[pid  3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  3764] <... pipe2 resumed>[3, 4], 0) = 0
[pid  3765] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3764] dup(4 <unfinished ...>
[pid  3610] <... clone resumed>, child_tidptr=0x555556ecc690) = 3766
[pid  3765] <... openat resumed>)       = 3
[pid  3764] <... dup resumed>)          = 5
[pid  3765] write(3, "1000", 4 <unfinished ...>
[pid  3764] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3765] <... write resumed>)        = 4
[pid  3765] close(3)                    = 0
[pid  3765] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3765] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3765] pipe2([3, 4], 0)            = 0
./strace-static-x86_64: Process 3766 attached
[pid  3765] dup(4 <unfinished ...>
[pid  3766] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3765] <... dup resumed>)          = 5
[pid  3766] <... prctl resumed>)        = 0
[pid  3765] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3766] setpgid(0, 0)               = 0
[pid  3766] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3766] write(3, "1000", 4)         = 4
[pid  3766] close(3)                    = 0
[pid  3766] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3766] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3766] pipe2([3, 4], 0)            = 0
[pid  3766] dup(4)                      = 5
[pid  3766] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3758] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3758] exit_group(0)               = ?
[pid  3758] +++ exited with 0 +++
[pid  3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3758, si_uid=0, si_status=0, si_utime=0, si_stime=2} ---
[pid  3609] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3
[pid  3609] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3609] close(3)                    = 0
[pid  3609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556ecc690) = 3767
./strace-static-x86_64: Process 3767 attached
[pid  3767] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3767] setpgid(0, 0)               = 0
[pid  3767] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3767] write(3, "1000", 4)         = 4
[pid  3767] close(3)                    = 0
[pid  3767] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3767] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3767] pipe2([3, 4], 0)            = 0
[pid  3767] dup(4)                      = 5
[pid  3767] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3761] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3761] exit_group(0)               = ?
[pid  3761] +++ exited with 0 +++
[pid  3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3761, si_uid=0, si_status=0, si_utime=0, si_stime=2} ---
[pid  3608] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3
[pid  3608] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3608] close(3)                    = 0
[pid  3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556ecc690) = 3768
[pid  3762] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3762] exit_group(0)               = ?
[pid  3762] +++ exited with 0 +++
[pid  3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3762, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
[pid  3611] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3
[pid  3611] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3611] close(3)                    = 0
[pid  3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556ecc690) = 3769
./strace-static-x86_64: Process 3769 attached
[pid  3769] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3769] setpgid(0, 0)               = 0
[pid  3769] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3769] write(3, "1000", 4)         = 4
[pid  3769] close(3)                    = 0
[pid  3769] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3769] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3769] pipe2([3, 4], 0)            = 0
[pid  3769] dup(4)                      = 5
[pid  3769] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005,"./strace-static-x86_64: Process 3768 attached
 <unfinished ...>
[pid  3766] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3768] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3766] exit_group(0 <unfinished ...>
[pid  3768] <... prctl resumed>)        = 0
[pid  3766] <... exit_group resumed>)   = ?
[pid  3768] setpgid(0, 0 <unfinished ...>
[pid  3766] +++ exited with 0 +++
[pid  3768] <... setpgid resumed>)      = 0
[pid  3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3766, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
[pid  3768] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3768] write(3, "1000", 4)         = 4
[pid  3610] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid  3768] close(3)                    = 0
[pid  3610] <... openat resumed>)       = 3
[pid  3768] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3610] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  3768] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3610] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  3768] pipe2( <unfinished ...>
[pid  3610] close(3 <unfinished ...>
[pid  3768] <... pipe2 resumed>[3, 4], 0) = 0
[pid  3610] <... close resumed>)        = 0
[pid  3768] dup(4 <unfinished ...>
[pid  3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  3768] <... dup resumed>)          = 5
[pid  3768] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3610] <... clone resumed>, child_tidptr=0x555556ecc690) = 3770
./strace-static-x86_64: Process 3770 attached
[pid  3770] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3770] setpgid(0, 0)               = 0
[pid  3770] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3770] write(3, "1000", 4)         = 4
[pid  3770] close(3)                    = 0
[pid  3770] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3770] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3770] pipe2([3, 4], 0)            = 0
[pid  3770] dup(4)                      = 5
[pid  3770] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3765] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3765] exit_group(0)               = ?
[pid  3765] +++ exited with 0 +++
[pid  3764] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3764] exit_group(0)               = ?
[pid  3764] +++ exited with 0 +++
[pid  3606] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3765, si_uid=0, si_status=0, si_utime=0, si_stime=2} ---
[pid  3606] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  3607] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3764, si_uid=0, si_status=0, si_utime=0, si_stime=2} ---
[pid  3607] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid  3606] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  3607] <... openat resumed>)       = 3
[pid  3607] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  3606] <... openat resumed>)       = 3
[pid  3606] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  3607] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  3606] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  3607] close(3 <unfinished ...>
[pid  3606] close(3 <unfinished ...>
[pid  3607] <... close resumed>)        = 0
[pid  3607] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  3606] <... close resumed>)        = 0
[pid  3606] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  3607] <... clone resumed>, child_tidptr=0x555556ecc690) = 3771
[pid  3767] <... mount resumed>)        = -1 EFAULT (Bad address)
./strace-static-x86_64: Process 3771 attached
[pid  3771] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3771] setpgid(0, 0)               = 0
[pid  3771] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3771] write(3, "1000", 4)         = 4
[pid  3771] close(3)                    = 0
[pid  3771] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3771] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
./strace-static-x86_64: Process 3772 attached
[pid  3771] pipe2([3, 4], 0)            = 0
[pid  3772] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3771] dup(4)                      = 5
[pid  3771] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3772] <... prctl resumed>)        = 0
[pid  3772] setpgid(0, 0)               = 0
[pid  3772] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3772] write(3, "1000", 4)         = 4
[pid  3606] <... clone resumed>, child_tidptr=0x555556ecc690) = 3772
[pid  3772] close(3)                    = 0
[pid  3772] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3767] exit_group(0 <unfinished ...>
[pid  3772] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3772] pipe2([3, 4], 0)            = 0
[pid  3772] dup(4)                      = 5
[pid  3772] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3767] <... exit_group resumed>)   = ?
[pid  3767] +++ exited with 0 +++
[pid  3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3767, si_uid=0, si_status=0, si_utime=0, si_stime=2} ---
[pid  3609] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3
[pid  3609] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3609] close(3)                    = 0
[pid  3609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556ecc690) = 3773
./strace-static-x86_64: Process 3773 attached
[pid  3773] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3773] setpgid(0, 0)               = 0
[pid  3773] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3773] write(3, "1000", 4)         = 4
[pid  3773] close(3)                    = 0
[pid  3773] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3773] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3773] pipe2([3, 4], 0)            = 0
[pid  3773] dup(4)                      = 5
[pid  3773] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3770] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3769] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3770] exit_group(0 <unfinished ...>
[pid  3769] exit_group(0 <unfinished ...>
[pid  3770] <... exit_group resumed>)   = ?
[pid  3769] <... exit_group resumed>)   = ?
[pid  3769] +++ exited with 0 +++
[pid  3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3769, si_uid=0, si_status=0, si_utime=0, si_stime=2} ---
[pid  3770] +++ exited with 0 +++
[pid  3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3770, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
[pid  3610] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  3611] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid  3610] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid  3611] <... openat resumed>)       = 3
[pid  3610] <... openat resumed>)       = 3
[pid  3611] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3610] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  3611] close(3)                    = 0
[pid  3610] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  3610] close(3 <unfinished ...>
[pid  3611] <... clone resumed>, child_tidptr=0x555556ecc690) = 3774
[pid  3610] <... close resumed>)        = 0
[pid  3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556ecc690) = 3775
./strace-static-x86_64: Process 3774 attached
[pid  3774] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3774] setpgid(0, 0)               = 0
./strace-static-x86_64: Process 3775 attached
[pid  3774] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3774] write(3, "1000", 4)         = 4
[pid  3774] close(3)                    = 0
[pid  3774] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3774] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3774] pipe2([3, 4], 0)            = 0
[pid  3774] dup(4)                      = 5
[pid  3774] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3775] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3775] setpgid(0, 0)               = 0
[pid  3775] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3775] write(3, "1000", 4)         = 4
[pid  3775] close(3)                    = 0
[pid  3775] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3775] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3775] pipe2([3, 4], 0)            = 0
[pid  3775] dup(4)                      = 5
[pid  3775] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3768] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3768] exit_group(0)               = ?
[pid  3768] +++ exited with 0 +++
[pid  3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3768, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
[pid  3608] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  3608] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3
[pid  3608] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3608] close(3)                    = 0
[pid  3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556ecc690) = 3776
./strace-static-x86_64: Process 3776 attached
[pid  3776] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3776] setpgid(0, 0)               = 0
[pid  3776] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3776] write(3, "1000", 4)         = 4
[pid  3776] close(3)                    = 0
[pid  3776] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3776] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3776] pipe2([3, 4], 0)            = 0
[pid  3776] dup(4)                      = 5
[pid  3776] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3771] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3771] exit_group(0)               = ?
[pid  3771] +++ exited with 0 +++
[pid  3607] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3771, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
[pid  3607] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  3607] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3
[pid  3607] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3607] close(3)                    = 0
[pid  3607] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556ecc690) = 3777
[pid  3772] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3772] exit_group(0./strace-static-x86_64: Process 3777 attached
 <unfinished ...>
[pid  3773] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3772] <... exit_group resumed>)   = ?
[pid  3777] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3773] exit_group(0 <unfinished ...>
[pid  3772] +++ exited with 0 +++
[pid  3777] <... prctl resumed>)        = 0
[pid  3606] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3772, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
[pid  3606] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
[pid  3606] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3606] close(3)                    = 0
[pid  3777] setpgid(0, 0 <unfinished ...>
[pid  3775] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3773] <... exit_group resumed>)   = ?
[pid  3606] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  3777] <... setpgid resumed>)      = 0
[pid  3775] exit_group(0 <unfinished ...>
[pid  3774] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3773] +++ exited with 0 +++
./strace-static-x86_64: Process 3778 attached
[pid  3777] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3775] <... exit_group resumed>)   = ?
[pid  3774] exit_group(0 <unfinished ...>
[pid  3606] <... clone resumed>, child_tidptr=0x555556ecc690) = 3778
[pid  3778] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3777] <... openat resumed>)       = 3
[pid  3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3773, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
[pid  3778] <... prctl resumed>)        = 0
[pid  3777] write(3, "1000", 4 <unfinished ...>
[pid  3775] +++ exited with 0 +++
[pid  3774] <... exit_group resumed>)   = ?
[pid  3609] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  3778] setpgid(0, 0 <unfinished ...>
[pid  3777] <... write resumed>)        = 4
[pid  3609] <... restart_syscall resumed>) = 0
[pid  3774] +++ exited with 0 +++
[pid  3778] <... setpgid resumed>)      = 0
[pid  3777] close(3 <unfinished ...>
[pid  3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3774, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
[pid  3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3775, si_uid=0, si_status=0, si_utime=0, si_stime=2} ---
[pid  3778] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3777] <... close resumed>)        = 0
[pid  3610] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid  3778] <... openat resumed>)       = 3
[pid  3777] mkdir("./file0", 0777 <unfinished ...>
[pid  3610] <... openat resumed>)       = 3
[pid  3609] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid  3778] write(3, "1000", 4 <unfinished ...>
[pid  3777] <... mkdir resumed>)        = -1 EEXIST (File exists)
[pid  3610] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  3609] <... openat resumed>)       = 3
[pid  3778] <... write resumed>)        = 4
[pid  3777] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3610] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  3609] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  3778] close(3 <unfinished ...>
[pid  3777] pipe2( <unfinished ...>
[pid  3776] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3610] close(3 <unfinished ...>
[pid  3609] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  3778] <... close resumed>)        = 0
[pid  3777] <... pipe2 resumed>[3, 4], 0) = 0
[pid  3776] exit_group(0 <unfinished ...>
[pid  3611] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid  3610] <... close resumed>)        = 0
[pid  3609] close(3 <unfinished ...>
[pid  3778] mkdir("./file0", 0777 <unfinished ...>
[pid  3777] dup(4 <unfinished ...>
[pid  3776] <... exit_group resumed>)   = ?
[pid  3611] <... openat resumed>)       = 3
[pid  3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  3609] <... close resumed>)        = 0
[pid  3778] <... mkdir resumed>)        = -1 EEXIST (File exists)
[pid  3777] <... dup resumed>)          = 5
[pid  3776] +++ exited with 0 +++
[pid  3611] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  3609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  3778] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3777] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3611] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  3610] <... clone resumed>, child_tidptr=0x555556ecc690) = 3779
[pid  3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3776, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
[pid  3778] pipe2( <unfinished ...>
[pid  3611] close(3 <unfinished ...>
[pid  3609] <... clone resumed>, child_tidptr=0x555556ecc690) = 3780
[pid  3778] <... pipe2 resumed>[3, 4], 0) = 0
[pid  3611] <... close resumed>)        = 0
[pid  3778] dup(4 <unfinished ...>
[pid  3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  3608] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid  3778] <... dup resumed>)          = 5
[pid  3608] <... openat resumed>)       = 3
[pid  3778] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3611] <... clone resumed>, child_tidptr=0x555556ecc690) = 3781
[pid  3608] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3608] close(3)                    = 0
[pid  3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556ecc690) = 3782
./strace-static-x86_64: Process 3781 attached
[pid  3781] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3781] setpgid(0, 0./strace-static-x86_64: Process 3780 attached
)               = 0
[pid  3781] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3780] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3781] <... openat resumed>)       = 3
[pid  3780] <... prctl resumed>)        = 0
[pid  3781] write(3, "1000", 4 <unfinished ...>
[pid  3780] setpgid(0, 0 <unfinished ...>
[pid  3781] <... write resumed>)        = 4
[pid  3780] <... setpgid resumed>)      = 0
[pid  3781] close(3 <unfinished ...>
[pid  3780] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3781] <... close resumed>)        = 0
[pid  3780] <... openat resumed>)       = 3
[pid  3781] mkdir("./file0", 0777 <unfinished ...>
[pid  3780] write(3, "1000", 4 <unfinished ...>
[pid  3781] <... mkdir resumed>)        = -1 EEXIST (File exists)
[pid  3780] <... write resumed>)        = 4
[pid  3781] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3780] close(3 <unfinished ...>
[pid  3781] pipe2( <unfinished ...>
[pid  3780] <... close resumed>)        = 0
[pid  3781] <... pipe2 resumed>[3, 4], 0) = 0
[pid  3780] mkdir("./file0", 0777 <unfinished ...>
[pid  3781] dup(4 <unfinished ...>
[pid  3780] <... mkdir resumed>)        = -1 EEXIST (File exists)
[pid  3781] <... dup resumed>)          = 5
[pid  3780] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3781] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3780] pipe2([3, 4], 0)            = 0
[pid  3780] dup(4)                      = 5
[pid  3780] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005,"./strace-static-x86_64: Process 3779 attached
./strace-static-x86_64: Process 3782 attached
 <unfinished ...>
[pid  3782] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3782] setpgid(0, 0)               = 0
[pid  3782] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3782] write(3, "1000", 4 <unfinished ...>
[pid  3779] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3777] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3779] <... prctl resumed>)        = 0
[pid  3777] exit_group(0 <unfinished ...>
[pid  3779] setpgid(0, 0 <unfinished ...>
[pid  3777] <... exit_group resumed>)   = ?
[pid  3779] <... setpgid resumed>)      = 0
[pid  3777] +++ exited with 0 +++
[pid  3782] <... write resumed>)        = 4
[pid  3779] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3782] close(3 <unfinished ...>
[pid  3779] <... openat resumed>)       = 3
[pid  3607] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3777, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
[pid  3782] <... close resumed>)        = 0
[pid  3779] write(3, "1000", 4 <unfinished ...>
[pid  3607] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid  3782] mkdir("./file0", 0777 <unfinished ...>
[pid  3779] <... write resumed>)        = 4
[pid  3607] <... openat resumed>)       = 3
[pid  3782] <... mkdir resumed>)        = -1 EEXIST (File exists)
[pid  3779] close(3 <unfinished ...>
[pid  3607] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  3782] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3779] <... close resumed>)        = 0
[pid  3607] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  3782] pipe2( <unfinished ...>
[pid  3779] mkdir("./file0", 0777 <unfinished ...>
[pid  3607] close(3 <unfinished ...>
[pid  3782] <... pipe2 resumed>[3, 4], 0) = 0
[pid  3779] <... mkdir resumed>)        = -1 EEXIST (File exists)
[pid  3607] <... close resumed>)        = 0
[pid  3782] dup(4 <unfinished ...>
[pid  3779] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3607] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  3782] <... dup resumed>)          = 5
[pid  3779] pipe2( <unfinished ...>
[pid  3782] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3779] <... pipe2 resumed>[3, 4], 0) = 0
[pid  3607] <... clone resumed>, child_tidptr=0x555556ecc690) = 3783
./strace-static-x86_64: Process 3783 attached
[pid  3779] dup(4 <unfinished ...>
[pid  3783] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3779] <... dup resumed>)          = 5
[pid  3783] <... prctl resumed>)        = 0
[pid  3779] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3783] setpgid(0, 0)               = 0
[pid  3783] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3783] write(3, "1000", 4)         = 4
[pid  3783] close(3)                    = 0
[pid  3783] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3783] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3780] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3780] exit_group(0)               = ?
[pid  3780] +++ exited with 0 +++
[pid  3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3780, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
[pid  3783] pipe2( <unfinished ...>
[pid  3609] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  3609] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3
[pid  3609] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3609] close(3)                    = 0
[pid  3609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  3783] <... pipe2 resumed>[3, 4], 0) = 0
[pid  3609] <... clone resumed>, child_tidptr=0x555556ecc690) = 3784
./strace-static-x86_64: Process 3784 attached
[pid  3784] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3784] setpgid(0, 0)               = 0
[pid  3783] dup(4 <unfinished ...>
[pid  3784] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3783] <... dup resumed>)          = 5
[pid  3783] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3784] <... openat resumed>)       = 3
[pid  3784] write(3, "1000", 4)         = 4
[pid  3784] close(3 <unfinished ...>
[pid  3778] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3784] <... close resumed>)        = 0
[pid  3781] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3778] exit_group(0)               = ?
[pid  3778] +++ exited with 0 +++
[pid  3606] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3778, si_uid=0, si_status=0, si_utime=0, si_stime=2} ---
[pid  3606] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  3784] mkdir("./file0", 0777 <unfinished ...>
[pid  3781] exit_group(0 <unfinished ...>
[pid  3606] <... restart_syscall resumed>) = 0
[pid  3784] <... mkdir resumed>)        = -1 EEXIST (File exists)
[pid  3781] <... exit_group resumed>)   = ?
[pid  3784] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3606] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  3784] pipe2( <unfinished ...>
[pid  3781] +++ exited with 0 +++
[pid  3606] <... openat resumed>)       = 3
[pid  3784] <... pipe2 resumed>[3, 4], 0) = 0
[pid  3606] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3781, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
[pid  3606] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  3611] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid  3606] close(3 <unfinished ...>
[pid  3611] <... openat resumed>)       = 3
[pid  3606] <... close resumed>)        = 0
[pid  3611] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  3606] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  3611] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  3611] close(3 <unfinished ...>
[pid  3606] <... clone resumed>, child_tidptr=0x555556ecc690) = 3785
[pid  3611] <... close resumed>)        = 0
[pid  3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3785 attached
 <unfinished ...>
[pid  3784] dup(4 <unfinished ...>
[pid  3611] <... clone resumed>, child_tidptr=0x555556ecc690) = 3786
[pid  3785] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3784] <... dup resumed>)          = 5
[pid  3785] <... prctl resumed>)        = 0
[pid  3784] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3785] setpgid(0, 0)               = 0
./strace-static-x86_64: Process 3786 attached
[pid  3785] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3786] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3785] write(3, "1000", 4 <unfinished ...>
[pid  3786] <... prctl resumed>)        = 0
[pid  3786] setpgid(0, 0 <unfinished ...>
[pid  3785] <... write resumed>)        = 4
[pid  3786] <... setpgid resumed>)      = 0
[pid  3785] close(3 <unfinished ...>
[pid  3786] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3785] <... close resumed>)        = 0
[pid  3786] <... openat resumed>)       = 3
[pid  3785] mkdir("./file0", 0777 <unfinished ...>
[pid  3786] write(3, "1000", 4 <unfinished ...>
[pid  3785] <... mkdir resumed>)        = -1 EEXIST (File exists)
[pid  3786] <... write resumed>)        = 4
[pid  3785] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3786] close(3 <unfinished ...>
[pid  3785] pipe2( <unfinished ...>
[pid  3786] <... close resumed>)        = 0
[pid  3785] <... pipe2 resumed>[3, 4], 0) = 0
[pid  3786] mkdir("./file0", 0777 <unfinished ...>
[pid  3785] dup(4 <unfinished ...>
[pid  3786] <... mkdir resumed>)        = -1 EEXIST (File exists)
[pid  3785] <... dup resumed>)          = 5
[pid  3786] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3785] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3786] pipe2([3, 4], 0)            = 0
[pid  3786] dup(4)                      = 5
[pid  3786] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3782] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3782] exit_group(0)               = ?
[pid  3782] +++ exited with 0 +++
[pid  3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3782, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
[pid  3608] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3
[pid  3608] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3608] close(3)                    = 0
[pid  3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556ecc690) = 3787
./strace-static-x86_64: Process 3787 attached
[pid  3787] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3787] setpgid(0, 0)               = 0
[pid  3787] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3787] write(3, "1000", 4)         = 4
[pid  3787] close(3)                    = 0
[pid  3787] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3787] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3787] pipe2([3, 4], 0)            = 0
[pid  3787] dup(4)                      = 5
[pid  3787] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3779] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3779] exit_group(0)               = ?
[pid  3779] +++ exited with 0 +++
[pid  3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3779, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
[pid  3610] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3
[pid  3610] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3610] close(3)                    = 0
[pid  3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556ecc690) = 3788
./strace-static-x86_64: Process 3788 attached
[pid  3788] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3788] setpgid(0, 0)               = 0
[pid  3788] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3783] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3788] <... openat resumed>)       = 3
[pid  3783] exit_group(0 <unfinished ...>
[pid  3788] write(3, "1000", 4 <unfinished ...>
[pid  3783] <... exit_group resumed>)   = ?
[pid  3788] <... write resumed>)        = 4
[pid  3788] close(3)                    = 0
[pid  3788] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3788] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3788] pipe2([3, 4], 0)            = 0
[pid  3788] dup(4)                      = 5
[pid  3788] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3783] +++ exited with 0 +++
[pid  3607] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3783, si_uid=0, si_status=0, si_utime=0, si_stime=2} ---
[pid  3607] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  3607] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3
[pid  3607] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3607] close(3)                    = 0
[pid  3607] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3789 attached
, child_tidptr=0x555556ecc690) = 3789
[pid  3789] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3789] setpgid(0, 0)               = 0
[pid  3789] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3789] write(3, "1000", 4)         = 4
[pid  3789] close(3)                    = 0
[pid  3789] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3789] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3789] pipe2([3, 4], 0)            = 0
[pid  3789] dup(4)                      = 5
[pid  3789] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3785] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3785] exit_group(0)               = ?
[pid  3785] +++ exited with 0 +++
[pid  3606] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3785, si_uid=0, si_status=0, si_utime=0, si_stime=2} ---
[pid  3606] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  3606] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
[pid  3606] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3606] close(3)                    = 0
[pid  3606] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3790 attached
, child_tidptr=0x555556ecc690) = 3790
[pid  3790] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3790] setpgid(0, 0)               = 0
[pid  3790] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3790] write(3, "1000", 4)         = 4
[pid  3790] close(3)                    = 0
[pid  3790] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3790] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3790] pipe2([3, 4], 0)            = 0
[pid  3790] dup(4)                      = 5
[pid  3790] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3784] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3784] exit_group(0)               = ?
[pid  3784] +++ exited with 0 +++
[pid  3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3784, si_uid=0, si_status=0, si_utime=0, si_stime=2} ---
[pid  3609] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3
[pid  3609] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3609] close(3)                    = 0
[pid  3786] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556ecc690) = 3791
[pid  3786] exit_group(0)               = ?
./strace-static-x86_64: Process 3791 attached
[pid  3786] +++ exited with 0 +++
[pid  3791] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3786, si_uid=0, si_status=0, si_utime=0, si_stime=2} ---
[pid  3791] setpgid(0, 0 <unfinished ...>
[pid  3611] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  3791] <... setpgid resumed>)      = 0
[pid  3611] <... restart_syscall resumed>) = 0
[pid  3791] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3791] write(3, "1000", 4 <unfinished ...>
[pid  3611] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid  3791] <... write resumed>)        = 4
[pid  3611] <... openat resumed>)       = 3
[pid  3791] close(3 <unfinished ...>
[pid  3611] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  3791] <... close resumed>)        = 0
[pid  3611] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  3791] mkdir("./file0", 0777 <unfinished ...>
[pid  3611] close(3 <unfinished ...>
[pid  3791] <... mkdir resumed>)        = -1 EEXIST (File exists)
[pid  3611] <... close resumed>)        = 0
[pid  3791] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  3791] pipe2(./strace-static-x86_64: Process 3792 attached
[3, 4], 0)            = 0
[pid  3787] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3611] <... clone resumed>, child_tidptr=0x555556ecc690) = 3792
[pid  3792] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3787] exit_group(0)               = ?
[pid  3792] <... prctl resumed>)        = 0
[pid  3791] dup(4 <unfinished ...>
[pid  3787] +++ exited with 0 +++
[pid  3792] setpgid(0, 0 <unfinished ...>
[pid  3791] <... dup resumed>)          = 5
[pid  3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3787, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
[pid  3792] <... setpgid resumed>)      = 0
[pid  3791] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3792] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3792] write(3, "1000", 4)         = 4
[pid  3792] close(3 <unfinished ...>
[pid  3608] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid  3792] <... close resumed>)        = 0
[pid  3608] <... openat resumed>)       = 3
[pid  3792] mkdir("./file0", 0777 <unfinished ...>
[pid  3608] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  3792] <... mkdir resumed>)        = -1 EEXIST (File exists)
[pid  3608] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  3792] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3608] close(3 <unfinished ...>
[pid  3792] pipe2( <unfinished ...>
[pid  3788] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3608] <... close resumed>)        = 0
[pid  3792] <... pipe2 resumed>[3, 4], 0) = 0
[pid  3788] exit_group(0 <unfinished ...>
[pid  3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  3792] dup(4 <unfinished ...>
[pid  3788] <... exit_group resumed>)   = ?
[pid  3792] <... dup resumed>)          = 5
[pid  3788] +++ exited with 0 +++
[pid  3608] <... clone resumed>, child_tidptr=0x555556ecc690) = 3793
[pid  3792] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3788, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
[pid  3790] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3610] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  3790] exit_group(0 <unfinished ...>
[pid  3610] <... restart_syscall resumed>) = 0
[pid  3790] <... exit_group resumed>)   = ?
[pid  3790] +++ exited with 0 +++
[pid  3610] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid  3606] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3790, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
[pid  3610] <... openat resumed>)       = 3
[pid  3610] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3606] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  3610] close(3 <unfinished ...>
[pid  3606] <... openat resumed>)       = 3
[pid  3610] <... close resumed>)        = 0
[pid  3606] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  3606] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  3606] close(3./strace-static-x86_64: Process 3793 attached
 <unfinished ...>
[pid  3610] <... clone resumed>, child_tidptr=0x555556ecc690) = 3794
[pid  3606] <... close resumed>)        = 0
[pid  3793] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3606] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  3793] <... prctl resumed>)        = 0
[pid  3793] setpgid(0, 0 <unfinished ...>
[pid  3606] <... clone resumed>, child_tidptr=0x555556ecc690) = 3795
[pid  3793] <... setpgid resumed>)      = 0
[pid  3793] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3793] write(3, "1000", 4)         = 4
[pid  3793] close(3)                    = 0
[pid  3793] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3793] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3793] pipe2([3, 4], 0)            = 0
[pid  3793] dup(4)                      = 5
[pid  3793] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005,"./strace-static-x86_64: Process 3795 attached
 <unfinished ...>
[pid  3795] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3795] setpgid(0, 0)               = 0
[pid  3795] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3795] write(3, "1000", 4)         = 4
[pid  3795] close(3./strace-static-x86_64: Process 3794 attached
)                    = 0
[pid  3795] mkdir("./file0", 0777 <unfinished ...>
[pid  3794] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3795] <... mkdir resumed>)        = -1 EEXIST (File exists)
[pid  3794] <... prctl resumed>)        = 0
[pid  3795] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3794] setpgid(0, 0 <unfinished ...>
[pid  3795] pipe2( <unfinished ...>
[pid  3794] <... setpgid resumed>)      = 0
[pid  3795] <... pipe2 resumed>[3, 4], 0) = 0
[pid  3794] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3795] dup(4 <unfinished ...>
[pid  3794] <... openat resumed>)       = 3
[pid  3795] <... dup resumed>)          = 5
[pid  3794] write(3, "1000", 4 <unfinished ...>
[pid  3795] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3794] <... write resumed>)        = 4
[pid  3794] close(3)                    = 0
[pid  3794] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3794] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3794] pipe2([3, 4], 0)            = 0
[pid  3794] dup(4)                      = 5
[pid  3789] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3794] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3789] exit_group(0)               = ?
[pid  3789] +++ exited with 0 +++
[pid  3607] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3789, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
[pid  3607] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3
[pid  3607] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3607] close(3)                    = 0
[pid  3607] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556ecc690) = 3796
./strace-static-x86_64: Process 3796 attached
[pid  3796] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3796] setpgid(0, 0)               = 0
[pid  3796] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3796] write(3, "1000", 4)         = 4
[pid  3796] close(3)                    = 0
[pid  3796] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3796] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3796] pipe2([3, 4], 0)            = 0
[pid  3796] dup(4)                      = 5
[pid  3796] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3791] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3791] exit_group(0)               = ?
[pid  3791] +++ exited with 0 +++
[pid  3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3791, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
[pid  3609] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  3609] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid  3792] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3609] <... openat resumed>)       = 3
[pid  3792] exit_group(0 <unfinished ...>
[pid  3609] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  3792] <... exit_group resumed>)   = ?
[pid  3609] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  3609] close(3)                    = 0
[pid  3609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  3792] +++ exited with 0 +++
[pid  3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3792, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
[pid  3611] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  3611] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid  3609] <... clone resumed>, child_tidptr=0x555556ecc690) = 3797
[pid  3611] <... openat resumed>)       = 3
[pid  3611] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3611] close(3)                    = 0
[pid  3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556ecc690) = 3798
./strace-static-x86_64: Process 3798 attached
[pid  3798] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3798] setpgid(0, 0)               = 0
[pid  3798] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3798] write(3, "1000", 4)         = 4
[pid  3798] close(3)                    = 0
[pid  3798] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3798] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3798] pipe2([3, 4], 0)            = 0
[pid  3798] dup(4)                      = 5
[pid  3798] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005,"./strace-static-x86_64: Process 3797 attached
 <unfinished ...>
[pid  3797] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3797] setpgid(0, 0)               = 0
[pid  3797] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3797] write(3, "1000", 4)         = 4
[pid  3797] close(3)                    = 0
[pid  3797] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3797] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3797] pipe2([3, 4], 0)            = 0
[pid  3797] dup(4)                      = 5
[pid  3797] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3795] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3795] exit_group(0)               = ?
[pid  3795] +++ exited with 0 +++
[pid  3606] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3795, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
[pid  3606] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  3793] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3606] <... restart_syscall resumed>) = 0
[pid  3793] exit_group(0)               = ?
[pid  3793] +++ exited with 0 +++
[pid  3606] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
[pid  3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3793, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
[pid  3606] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  3608] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  3606] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  3608] <... restart_syscall resumed>) = 0
[pid  3606] close(3)                    = 0
[pid  3606] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  3608] openat(AT_FDCWD, "/dev/loop2", O_RDWR./strace-static-x86_64: Process 3799 attached
) = 3
[pid  3606] <... clone resumed>, child_tidptr=0x555556ecc690) = 3799
[pid  3799] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3608] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  3799] <... prctl resumed>)        = 0
[pid  3608] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  3799] setpgid(0, 0 <unfinished ...>
[pid  3608] close(3 <unfinished ...>
[pid  3799] <... setpgid resumed>)      = 0
[pid  3608] <... close resumed>)        = 0
[pid  3799] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3800 attached
 <unfinished ...>
[pid  3799] <... openat resumed>)       = 3
[pid  3799] write(3, "1000", 4 <unfinished ...>
[pid  3608] <... clone resumed>, child_tidptr=0x555556ecc690) = 3800
[pid  3800] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3799] <... write resumed>)        = 4
[pid  3800] <... prctl resumed>)        = 0
[pid  3799] close(3 <unfinished ...>
[pid  3794] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3796] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3799] <... close resumed>)        = 0
[pid  3796] exit_group(0 <unfinished ...>
[pid  3794] exit_group(0 <unfinished ...>
[pid  3800] setpgid(0, 0 <unfinished ...>
[pid  3796] <... exit_group resumed>)   = ?
[pid  3794] <... exit_group resumed>)   = ?
[pid  3800] <... setpgid resumed>)      = 0
[pid  3799] mkdir("./file0", 0777 <unfinished ...>
[pid  3796] +++ exited with 0 +++
[pid  3794] +++ exited with 0 +++
[pid  3607] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3796, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
[pid  3800] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3799] <... mkdir resumed>)        = -1 EEXIST (File exists)
[pid  3607] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  3800] <... openat resumed>)       = 3
[pid  3799] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3794, si_uid=0, si_status=0, si_utime=0, si_stime=2} ---
[pid  3607] <... restart_syscall resumed>) = 0
[pid  3800] write(3, "1000", 4 <unfinished ...>
[pid  3799] pipe2( <unfinished ...>
[pid  3610] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  3800] <... write resumed>)        = 4
[pid  3799] <... pipe2 resumed>[3, 4], 0) = 0
[pid  3610] <... restart_syscall resumed>) = 0
[pid  3800] close(3 <unfinished ...>
[pid  3799] dup(4 <unfinished ...>
[pid  3607] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid  3800] <... close resumed>)        = 0
[pid  3799] <... dup resumed>)          = 5
[pid  3607] <... openat resumed>)       = 3
[pid  3800] mkdir("./file0", 0777 <unfinished ...>
[pid  3799] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3610] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid  3607] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  3800] <... mkdir resumed>)        = -1 EEXIST (File exists)
[pid  3610] <... openat resumed>)       = 3
[pid  3607] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  3800] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3610] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  3607] close(3 <unfinished ...>
[pid  3800] pipe2( <unfinished ...>
[pid  3610] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  3607] <... close resumed>)        = 0
[pid  3800] <... pipe2 resumed>[3, 4], 0) = 0
[pid  3610] close(3 <unfinished ...>
[pid  3607] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3801 attached
 <unfinished ...>
[pid  3800] dup(4 <unfinished ...>
[pid  3610] <... close resumed>)        = 0
[pid  3801] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3800] <... dup resumed>)          = 5
[pid  3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  3607] <... clone resumed>, child_tidptr=0x555556ecc690) = 3801
[pid  3801] <... prctl resumed>)        = 0
[pid  3800] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3798] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3801] setpgid(0, 0 <unfinished ...>
[pid  3798] exit_group(0 <unfinished ...>
[pid  3610] <... clone resumed>, child_tidptr=0x555556ecc690) = 3802
[pid  3801] <... setpgid resumed>)      = 0
[pid  3798] <... exit_group resumed>)   = ?
[pid  3801] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3798] +++ exited with 0 +++
[pid  3801] <... openat resumed>)       = 3
[pid  3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3798, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
[pid  3797] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3801] write(3, "1000", 4 <unfinished ...>
[pid  3611] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  3801] <... write resumed>)        = 4
[pid  3611] <... restart_syscall resumed>) = 0
[pid  3801] close(3)                    = 0
[pid  3801] mkdir("./file0", 0777 <unfinished ...>
[pid  3611] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid  3801] <... mkdir resumed>)        = -1 EEXIST (File exists)
[pid  3611] <... openat resumed>)       = 3
[pid  3801] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3611] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  3801] pipe2( <unfinished ...>
[pid  3611] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  3801] <... pipe2 resumed>[3, 4], 0) = 0
[pid  3611] close(3 <unfinished ...>
[pid  3801] dup(4 <unfinished ...>
[pid  3611] <... close resumed>)        = 0
[pid  3801] <... dup resumed>)          = 5
[pid  3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  3801] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3611] <... clone resumed>, child_tidptr=0x555556ecc690) = 3803
[pid  3797] exit_group(0./strace-static-x86_64: Process 3802 attached
 <unfinished ...>
[pid  3802] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3802] setpgid(0, 0)               = 0
[pid  3802] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3797] <... exit_group resumed>)   = ?
[pid  3802] <... openat resumed>)       = 3
[pid  3802] write(3, "1000", 4)         = 4
[pid  3802] close(3)                    = 0
[pid  3802] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3802] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3802] pipe2([3, 4], 0)            = 0
[pid  3797] +++ exited with 0 +++
[pid  3802] dup(4 <unfinished ...>
[pid  3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3797, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
[pid  3802] <... dup resumed>)          = 5
[pid  3609] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  3802] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3609] <... restart_syscall resumed>) = 0
[pid  3609] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3
[pid  3609] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3609] close(3)                    = 0
[pid  3609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556ecc690) = 3804
./strace-static-x86_64: Process 3804 attached
[pid  3804] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3804] setpgid(0, 0)               = 0
[pid  3804] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3804] write(3, "1000", 4)         = 4
[pid  3804] close(3)                    = 0
[pid  3804] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3804] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3804] pipe2([3, 4], 0)            = 0
[pid  3804] dup(4)                      = 5
[pid  3804] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005,"./strace-static-x86_64: Process 3803 attached
 <unfinished ...>
[pid  3799] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3803] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3799] exit_group(0 <unfinished ...>
[pid  3803] <... prctl resumed>)        = 0
[pid  3799] <... exit_group resumed>)   = ?
[pid  3803] setpgid(0, 0 <unfinished ...>
[pid  3799] +++ exited with 0 +++
[pid  3803] <... setpgid resumed>)      = 0
[pid  3606] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3799, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
[pid  3803] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3803] write(3, "1000", 4)         = 4
[pid  3803] close(3)                    = 0
[pid  3803] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3606] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  3803] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3606] <... openat resumed>)       = 3
[pid  3803] pipe2( <unfinished ...>
[pid  3606] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  3803] <... pipe2 resumed>[3, 4], 0) = 0
[pid  3606] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  3803] dup(4 <unfinished ...>
[pid  3606] close(3 <unfinished ...>
[pid  3803] <... dup resumed>)          = 5
[pid  3606] <... close resumed>)        = 0
[pid  3803] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3606] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556ecc690) = 3805
./strace-static-x86_64: Process 3805 attached
[pid  3805] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3805] setpgid(0, 0)               = 0
[pid  3805] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3805] write(3, "1000", 4)         = 4
[pid  3805] close(3)                    = 0
[pid  3805] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3805] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3805] pipe2([3, 4], 0)            = 0
[pid  3805] dup(4)                      = 5
[pid  3800] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3805] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3800] exit_group(0)               = ?
[pid  3800] +++ exited with 0 +++
[pid  3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3800, si_uid=0, si_status=0, si_utime=0, si_stime=2} ---
[pid  3608] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3
[pid  3608] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3608] close(3)                    = 0
[pid  3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3806 attached
, child_tidptr=0x555556ecc690) = 3806
[pid  3806] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3806] setpgid(0, 0)               = 0
[pid  3806] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3806] write(3, "1000", 4)         = 4
[pid  3806] close(3)                    = 0
[pid  3806] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3806] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3806] pipe2([3, 4], 0)            = 0
[pid  3806] dup(4)                      = 5
[pid  3806] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3801] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3801] exit_group(0)               = ?
[pid  3801] +++ exited with 0 +++
[pid  3607] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3801, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
[pid  3607] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  3607] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3
[pid  3607] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3607] close(3)                    = 0
[pid  3607] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556ecc690) = 3807
[pid  3802] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3802] exit_group(0)               = ?
[pid  3802] +++ exited with 0 +++
[pid  3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3802, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
[pid  3610] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  3610] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3
[pid  3610] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3610] close(3)                    = 0
[pid  3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556ecc690) = 3808
./strace-static-x86_64: Process 3807 attached
[pid  3807] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 3808 attached
) = 0
[pid  3805] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3803] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3807] setpgid(0, 0 <unfinished ...>
[pid  3805] exit_group(0 <unfinished ...>
[pid  3803] exit_group(0 <unfinished ...>
[pid  3807] <... setpgid resumed>)      = 0
[pid  3805] <... exit_group resumed>)   = ?
[pid  3803] <... exit_group resumed>)   = ?
[pid  3807] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3808] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3805] +++ exited with 0 +++
[pid  3606] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3805, si_uid=0, si_status=0, si_utime=0, si_stime=2} ---
[pid  3803] +++ exited with 0 +++
[pid  3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3803, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
[pid  3606] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  3807] <... openat resumed>)       = 3
[pid  3606] <... restart_syscall resumed>) = 0
[pid  3807] write(3, "1000", 4)         = 4
[pid  3807] close(3 <unfinished ...>
[pid  3606] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  3807] <... close resumed>)        = 0
[pid  3606] <... openat resumed>)       = 3
[pid  3807] mkdir("./file0", 0777 <unfinished ...>
[pid  3611] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid  3606] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  3807] <... mkdir resumed>)        = -1 EEXIST (File exists)
[pid  3611] <... openat resumed>)       = 3
[pid  3606] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  3808] <... prctl resumed>)        = 0
[pid  3807] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3611] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  3606] close(3 <unfinished ...>
[pid  3808] setpgid(0, 0 <unfinished ...>
[pid  3807] pipe2( <unfinished ...>
[pid  3611] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  3606] <... close resumed>)        = 0
[pid  3808] <... setpgid resumed>)      = 0
[pid  3807] <... pipe2 resumed>[3, 4], 0) = 0
[pid  3611] close(3 <unfinished ...>
[pid  3606] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  3808] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3807] dup(4 <unfinished ...>
[pid  3611] <... close resumed>)        = 0
[pid  3808] <... openat resumed>)       = 3
[pid  3807] <... dup resumed>)          = 5
[pid  3804] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  3606] <... clone resumed>, child_tidptr=0x555556ecc690) = 3809
[pid  3808] write(3, "1000", 4 <unfinished ...>
[pid  3804] exit_group(0 <unfinished ...>
[pid  3808] <... write resumed>)        = 4
[pid  3804] <... exit_group resumed>)   = ?
[pid  3808] close(3 <unfinished ...>
[pid  3807] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3804] +++ exited with 0 +++
[pid  3808] <... close resumed>)        = 0
[pid  3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3804, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
[pid  3808] mkdir("./file0", 0777 <unfinished ...>
[pid  3611] <... clone resumed>, child_tidptr=0x555556ecc690) = 3810
[pid  3808] <... mkdir resumed>)        = -1 EEXIST (File exists)
[pid  3808] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3609] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid  3808] pipe2( <unfinished ...>
[pid  3609] <... openat resumed>)       = 3
[pid  3808] <... pipe2 resumed>[3, 4], 0) = 0
[pid  3609] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  3808] dup(4 <unfinished ...>
[pid  3609] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  3808] <... dup resumed>)          = 5
[pid  3609] close(3 <unfinished ...>
[pid  3808] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3609] <... close resumed>)        = 0
[pid  3609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556ecc690) = 3811
./strace-static-x86_64: Process 3811 attached
[pid  3811] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3811] setpgid(0, 0)               = 0
./strace-static-x86_64: Process 3809 attached
[pid  3811] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3809] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3806] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3809] <... prctl resumed>)        = 0
[pid  3806] exit_group(0 <unfinished ...>
[pid  3809] setpgid(0, 0 <unfinished ...>
[pid  3806] <... exit_group resumed>)   = ?
[pid  3811] <... openat resumed>)       = 3
[pid  3811] write(3, "1000", 4 <unfinished ...>
[pid  3809] <... setpgid resumed>)      = 0
[pid  3806] +++ exited with 0 +++
[pid  3809] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3806, si_uid=0, si_status=0, si_utime=0, si_stime=2} ---
[pid  3809] <... openat resumed>)       = 3
[pid  3809] write(3, "1000", 4./strace-static-x86_64: Process 3810 attached
)         = 4
[pid  3811] <... write resumed>)        = 4
[pid  3810] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3809] close(3 <unfinished ...>
[pid  3811] close(3 <unfinished ...>
[pid  3810] <... prctl resumed>)        = 0
[pid  3809] <... close resumed>)        = 0
[pid  3807] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3811] <... close resumed>)        = 0
[pid  3810] setpgid(0, 0 <unfinished ...>
[pid  3809] mkdir("./file0", 0777 <unfinished ...>
[pid  3807] exit_group(0 <unfinished ...>
[pid  3811] mkdir("./file0", 0777 <unfinished ...>
[pid  3810] <... setpgid resumed>)      = 0
[pid  3809] <... mkdir resumed>)        = -1 EEXIST (File exists)
[pid  3807] <... exit_group resumed>)   = ?
[pid  3608] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid  3811] <... mkdir resumed>)        = -1 EEXIST (File exists)
[pid  3810] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3809] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3608] <... openat resumed>)       = 3
[pid  3811] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3810] <... openat resumed>)       = 3
[pid  3809] pipe2( <unfinished ...>
[pid  3807] +++ exited with 0 +++
[pid  3608] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  3811] pipe2( <unfinished ...>
[pid  3810] write(3, "1000", 4 <unfinished ...>
[pid  3809] <... pipe2 resumed>[3, 4], 0) = 0
[pid  3608] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  3607] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3807, si_uid=0, si_status=0, si_utime=0, si_stime=2} ---
[pid  3811] <... pipe2 resumed>[3, 4], 0) = 0
[pid  3810] <... write resumed>)        = 4
[pid  3809] dup(4 <unfinished ...>
[pid  3608] close(3 <unfinished ...>
[pid  3607] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  3811] dup(4 <unfinished ...>
[pid  3810] close(3 <unfinished ...>
[pid  3809] <... dup resumed>)          = 5
[pid  3608] <... close resumed>)        = 0
[pid  3607] <... restart_syscall resumed>) = 0
[pid  3811] <... dup resumed>)          = 5
[pid  3810] <... close resumed>)        = 0
[pid  3809] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  3811] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3810] mkdir("./file0", 0777 <unfinished ...>
[pid  3608] <... clone resumed>, child_tidptr=0x555556ecc690) = 3812
[pid  3607] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3
[pid  3607] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3607] close(3)                    = 0
[pid  3607] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556ecc690) = 3813
./strace-static-x86_64: Process 3812 attached
[pid  3812] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3812] setpgid(0, 0)               = 0
[pid  3812] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3810] <... mkdir resumed>)        = -1 EEXIST (File exists)
[pid  3810] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3810] pipe2([3, 4], 0)            = 0
[pid  3810] dup(4 <unfinished ...>
[pid  3812] <... openat resumed>)       = 3
[pid  3810] <... dup resumed>)          = 5
[pid  3812] write(3, "1000", 4 <unfinished ...>
[pid  3810] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3812] <... write resumed>)        = 4
[pid  3812] close(3./strace-static-x86_64: Process 3813 attached
)                    = 0
[pid  3813] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3812] mkdir("./file0", 0777 <unfinished ...>
[pid  3813] <... prctl resumed>)        = 0
[pid  3812] <... mkdir resumed>)        = -1 EEXIST (File exists)
[pid  3813] setpgid(0, 0 <unfinished ...>
[pid  3812] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3813] <... setpgid resumed>)      = 0
[pid  3812] pipe2([3, 4], 0)            = 0
[pid  3813] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3812] dup(4 <unfinished ...>
[pid  3813] <... openat resumed>)       = 3
[pid  3812] <... dup resumed>)          = 5
[pid  3813] write(3, "1000", 4 <unfinished ...>
[pid  3812] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3813] <... write resumed>)        = 4
[pid  3813] close(3)                    = 0
[pid  3813] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3813] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3813] pipe2([3, 4], 0)            = 0
[pid  3813] dup(4)                      = 5
[pid  3813] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3808] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3808] exit_group(0)               = ?
[pid  3808] +++ exited with 0 +++
[pid  3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3808, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
[pid  3610] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3
[pid  3610] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3610] close(3)                    = 0
[pid  3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556ecc690) = 3814
./strace-static-x86_64: Process 3814 attached
[pid  3809] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3814] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3809] exit_group(0 <unfinished ...>
[pid  3814] <... prctl resumed>)        = 0
[pid  3809] <... exit_group resumed>)   = ?
[pid  3814] setpgid(0, 0 <unfinished ...>
[pid  3812] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3812] exit_group(0)               = ?
[pid  3812] +++ exited with 0 +++
[pid  3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3812, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
[pid  3608] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  3608] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3
[pid  3608] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3608] close(3)                    = 0
[pid  3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  3811] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3811] exit_group(0 <unfinished ...>
[pid  3608] <... clone resumed>, child_tidptr=0x555556ecc690) = 3815
[pid  3811] <... exit_group resumed>)   = ?
[pid  3811] +++ exited with 0 +++
[pid  3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3811, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
[pid  3609] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3
[pid  3609] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  3814] <... setpgid resumed>)      = 0
[pid  3810] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3809] +++ exited with 0 +++
[pid  3609] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  3814] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3813] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3810] exit_group(0 <unfinished ...>
[pid  3609] close(3 <unfinished ...>
[pid  3606] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3809, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
./strace-static-x86_64: Process 3815 attached
[pid  3814] <... openat resumed>)       = 3
[pid  3813] exit_group(0 <unfinished ...>
[pid  3810] <... exit_group resumed>)   = ?
[pid  3609] <... close resumed>)        = 0
[pid  3815] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3814] write(3, "1000", 4 <unfinished ...>
[pid  3813] <... exit_group resumed>)   = ?
[pid  3609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  3810] +++ exited with 0 +++
[pid  3814] <... write resumed>)        = 4
[pid  3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3810, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
[pid  3609] <... clone resumed>, child_tidptr=0x555556ecc690) = 3816
[pid  3815] <... prctl resumed>)        = 0
[pid  3814] close(3 <unfinished ...>
[pid  3813] +++ exited with 0 +++
[pid  3611] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  3815] setpgid(0, 0 <unfinished ...>
[pid  3814] <... close resumed>)        = 0
[pid  3611] <... restart_syscall resumed>) = 0
[pid  3606] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  3815] <... setpgid resumed>)      = 0
[pid  3814] mkdir("./file0", 0777 <unfinished ...>
[pid  3607] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3813, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
[pid  3606] <... openat resumed>)       = 3
[pid  3815] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3814] <... mkdir resumed>)        = -1 EEXIST (File exists)
[pid  3607] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  3606] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  3815] <... openat resumed>)       = 3
[pid  3814] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3611] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid  3607] <... restart_syscall resumed>) = 0
[pid  3606] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  3815] write(3, "1000", 4 <unfinished ...>
[pid  3814] pipe2( <unfinished ...>
[pid  3611] <... openat resumed>)       = 3
[pid  3606] close(3 <unfinished ...>
[pid  3815] <... write resumed>)        = 4
[pid  3814] <... pipe2 resumed>[3, 4], 0) = 0
[pid  3611] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  3606] <... close resumed>)        = 0
[pid  3815] close(3 <unfinished ...>
[pid  3814] dup(4 <unfinished ...>
[pid  3611] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  3607] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid  3606] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3816 attached
 <unfinished ...>
[pid  3815] <... close resumed>)        = 0
[pid  3814] <... dup resumed>)          = 5
[pid  3611] close(3 <unfinished ...>
[pid  3607] <... openat resumed>)       = 3
[pid  3816] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3815] mkdir("./file0", 0777 <unfinished ...>
[pid  3814] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3611] <... close resumed>)        = 0
[pid  3607] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  3606] <... clone resumed>, child_tidptr=0x555556ecc690) = 3817
[pid  3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  3607] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  3607] close(3 <unfinished ...>
[pid  3815] <... mkdir resumed>)        = -1 EEXIST (File exists)
[pid  3607] <... close resumed>)        = 0
[pid  3816] <... prctl resumed>)        = 0
[pid  3815] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3611] <... clone resumed>, child_tidptr=0x555556ecc690) = 3818
[pid  3607] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  3816] setpgid(0, 0 <unfinished ...>
[pid  3815] pipe2( <unfinished ...>
[pid  3816] <... setpgid resumed>)      = 0
[pid  3815] <... pipe2 resumed>[3, 4], 0) = 0
[pid  3607] <... clone resumed>, child_tidptr=0x555556ecc690) = 3819
[pid  3816] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3815] dup(4 <unfinished ...>
[pid  3816] <... openat resumed>)       = 3
[pid  3815] <... dup resumed>)          = 5
[pid  3816] write(3, "1000", 4 <unfinished ...>
[pid  3815] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005,"./strace-static-x86_64: Process 3818 attached
 <unfinished ...>
[pid  3816] <... write resumed>)        = 4
[pid  3818] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3816] close(3./strace-static-x86_64: Process 3817 attached
 <unfinished ...>
[pid  3818] <... prctl resumed>)        = 0
[pid  3816] <... close resumed>)        = 0
[pid  3818] setpgid(0, 0 <unfinished ...>
[pid  3816] mkdir("./file0", 0777 <unfinished ...>
[pid  3818] <... setpgid resumed>)      = 0
[pid  3816] <... mkdir resumed>)        = -1 EEXIST (File exists)
./strace-static-x86_64: Process 3819 attached
[pid  3818] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3817] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3816] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3819] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3818] <... openat resumed>)       = 3
[pid  3817] <... prctl resumed>)        = 0
[pid  3816] pipe2( <unfinished ...>
[pid  3819] <... prctl resumed>)        = 0
[pid  3818] write(3, "1000", 4 <unfinished ...>
[pid  3817] setpgid(0, 0 <unfinished ...>
[pid  3816] <... pipe2 resumed>[3, 4], 0) = 0
[pid  3819] setpgid(0, 0 <unfinished ...>
[pid  3818] <... write resumed>)        = 4
[pid  3817] <... setpgid resumed>)      = 0
[pid  3816] dup(4 <unfinished ...>
[pid  3819] <... setpgid resumed>)      = 0
[pid  3818] close(3 <unfinished ...>
[pid  3817] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3816] <... dup resumed>)          = 5
[pid  3819] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3818] <... close resumed>)        = 0
[pid  3817] <... openat resumed>)       = 3
[pid  3816] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3819] <... openat resumed>)       = 3
[pid  3818] mkdir("./file0", 0777 <unfinished ...>
[pid  3819] write(3, "1000", 4 <unfinished ...>
[pid  3818] <... mkdir resumed>)        = -1 EEXIST (File exists)
[pid  3817] write(3, "1000", 4 <unfinished ...>
[pid  3819] <... write resumed>)        = 4
[pid  3818] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3817] <... write resumed>)        = 4
[pid  3819] close(3 <unfinished ...>
[pid  3818] pipe2( <unfinished ...>
[pid  3817] close(3 <unfinished ...>
[pid  3819] <... close resumed>)        = 0
[pid  3818] <... pipe2 resumed>[3, 4], 0) = 0
[pid  3817] <... close resumed>)        = 0
[pid  3819] mkdir("./file0", 0777 <unfinished ...>
[pid  3818] dup(4 <unfinished ...>
[pid  3817] mkdir("./file0", 0777 <unfinished ...>
[pid  3819] <... mkdir resumed>)        = -1 EEXIST (File exists)
[pid  3818] <... dup resumed>)          = 5
[pid  3817] <... mkdir resumed>)        = -1 EEXIST (File exists)
[pid  3819] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3818] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3817] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3819] pipe2([3, 4], 0)            = 0
[pid  3819] dup(4)                      = 5
[pid  3819] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3817] pipe2([3, 4], 0)            = 0
[pid  3817] dup(4)                      = 5
[pid  3817] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3814] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3814] exit_group(0)               = ?
[pid  3814] +++ exited with 0 +++
[pid  3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3814, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
[pid  3610] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  3610] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3
[pid  3610] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3610] close(3)                    = 0
[pid  3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3820 attached
, child_tidptr=0x555556ecc690) = 3820
[pid  3820] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3820] setpgid(0, 0)               = 0
[pid  3820] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3820] write(3, "1000", 4)         = 4
[pid  3820] close(3)                    = 0
[pid  3820] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3820] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3820] pipe2([3, 4], 0)            = 0
[pid  3820] dup(4)                      = 5
[pid  3820] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3819] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3815] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3819] exit_group(0 <unfinished ...>
[pid  3815] exit_group(0 <unfinished ...>
[pid  3819] <... exit_group resumed>)   = ?
[pid  3815] <... exit_group resumed>)   = ?
[pid  3818] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3818] exit_group(0)               = ?
[pid  3818] +++ exited with 0 +++
[pid  3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3818, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
[pid  3819] +++ exited with 0 +++
[pid  3815] +++ exited with 0 +++
[pid  3611] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid  3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3815, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
[pid  3607] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3819, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
[pid  3611] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid  3608] openat(AT_FDCWD, "/dev/loop2", O_RDWR <unfinished ...>
[pid  3607] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid  3816] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3611] <... openat resumed>)       = 3
[pid  3608] <... openat resumed>)       = 3
[pid  3607] <... openat resumed>)       = 3
[pid  3817] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3816] exit_group(0 <unfinished ...>
[pid  3611] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  3608] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  3607] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  3817] exit_group(0 <unfinished ...>
[pid  3816] <... exit_group resumed>)   = ?
[pid  3611] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  3608] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  3607] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  3817] <... exit_group resumed>)   = ?
[pid  3611] close(3 <unfinished ...>
[pid  3608] close(3 <unfinished ...>
[pid  3607] close(3 <unfinished ...>
[pid  3817] +++ exited with 0 +++
[pid  3816] +++ exited with 0 +++
[pid  3611] <... close resumed>)        = 0
[pid  3608] <... close resumed>)        = 0
[pid  3607] <... close resumed>)        = 0
[pid  3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3816, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
[pid  3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  3607] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  3606] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3817, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
[pid  3606] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  3611] <... clone resumed>, child_tidptr=0x555556ecc690) = 3821
[pid  3608] <... clone resumed>, child_tidptr=0x555556ecc690) = 3822
[pid  3607] <... clone resumed>, child_tidptr=0x555556ecc690) = 3823
[pid  3606] <... restart_syscall resumed>) = 0
./strace-static-x86_64: Process 3823 attached
./strace-static-x86_64: Process 3821 attached
[pid  3609] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid  3823] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3821] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3609] <... openat resumed>)       = 3
[pid  3823] <... prctl resumed>)        = 0
[pid  3821] <... prctl resumed>)        = 0
[pid  3609] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  3606] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  3823] setpgid(0, 0 <unfinished ...>
[pid  3821] setpgid(0, 0 <unfinished ...>
[pid  3820] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3609] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  3606] <... openat resumed>)       = 3
[pid  3823] <... setpgid resumed>)      = 0
[pid  3821] <... setpgid resumed>)      = 0
[pid  3820] exit_group(0 <unfinished ...>
[pid  3609] close(3 <unfinished ...>
[pid  3606] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  3823] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3821] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3820] <... exit_group resumed>)   = ?
[pid  3609] <... close resumed>)        = 0
[pid  3606] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  3823] <... openat resumed>)       = 3
[pid  3821] <... openat resumed>)       = 3
[pid  3609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  3606] close(3./strace-static-x86_64: Process 3824 attached
 <unfinished ...>
[pid  3823] write(3, "1000", 4 <unfinished ...>
[pid  3821] write(3, "1000", 4 <unfinished ...>
[pid  3820] +++ exited with 0 +++
[pid  3606] <... close resumed>)        = 0
./strace-static-x86_64: Process 3822 attached
[pid  3824] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3823] <... write resumed>)        = 4
[pid  3821] <... write resumed>)        = 4
[pid  3609] <... clone resumed>, child_tidptr=0x555556ecc690) = 3824
[pid  3606] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3825 attached
 <unfinished ...>
[pid  3824] <... prctl resumed>)        = 0
[pid  3823] close(3 <unfinished ...>
[pid  3822] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3821] close(3 <unfinished ...>
[pid  3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3820, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
[pid  3825] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3824] setpgid(0, 0 <unfinished ...>
[pid  3823] <... close resumed>)        = 0
[pid  3822] <... prctl resumed>)        = 0
[pid  3821] <... close resumed>)        = 0
[pid  3610] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid  3606] <... clone resumed>, child_tidptr=0x555556ecc690) = 3825
[pid  3824] <... setpgid resumed>)      = 0
[pid  3823] mkdir("./file0", 0777 <unfinished ...>
[pid  3822] setpgid(0, 0 <unfinished ...>
[pid  3821] mkdir("./file0", 0777 <unfinished ...>
[pid  3825] <... prctl resumed>)        = 0
[pid  3824] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3823] <... mkdir resumed>)        = -1 EEXIST (File exists)
[pid  3822] <... setpgid resumed>)      = 0
[pid  3821] <... mkdir resumed>)        = -1 EEXIST (File exists)
[pid  3610] <... openat resumed>)       = 3
[pid  3825] setpgid(0, 0 <unfinished ...>
[pid  3824] <... openat resumed>)       = 3
[pid  3823] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3822] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3821] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3610] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  3825] <... setpgid resumed>)      = 0
[pid  3824] write(3, "1000", 4 <unfinished ...>
[pid  3823] pipe2( <unfinished ...>
[pid  3822] <... openat resumed>)       = 3
[pid  3821] pipe2( <unfinished ...>
[pid  3610] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  3825] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3824] <... write resumed>)        = 4
[pid  3823] <... pipe2 resumed>[3, 4], 0) = 0
[pid  3822] write(3, "1000", 4 <unfinished ...>
[pid  3821] <... pipe2 resumed>[3, 4], 0) = 0
[pid  3825] <... openat resumed>)       = 3
[pid  3824] close(3 <unfinished ...>
[pid  3823] dup(4 <unfinished ...>
[pid  3822] <... write resumed>)        = 4
[pid  3821] dup(4 <unfinished ...>
[pid  3610] close(3 <unfinished ...>
[pid  3825] write(3, "1000", 4 <unfinished ...>
[pid  3824] <... close resumed>)        = 0
[pid  3823] <... dup resumed>)          = 5
[pid  3822] close(3 <unfinished ...>
[pid  3821] <... dup resumed>)          = 5
[pid  3610] <... close resumed>)        = 0
[pid  3825] <... write resumed>)        = 4
[pid  3824] mkdir("./file0", 0777 <unfinished ...>
[pid  3823] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3822] <... close resumed>)        = 0
[pid  3821] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  3825] close(3 <unfinished ...>
[pid  3824] <... mkdir resumed>)        = -1 EEXIST (File exists)
[pid  3822] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3825] <... close resumed>)        = 0
[pid  3824] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3822] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3822] pipe2( <unfinished ...>
[pid  3825] mkdir("./file0", 0777 <unfinished ...>
[pid  3824] pipe2( <unfinished ...>
[pid  3822] <... pipe2 resumed>[3, 4], 0) = 0
[pid  3822] dup(4)                      = 5
[pid  3825] <... mkdir resumed>)        = -1 EEXIST (File exists)
[pid  3824] <... pipe2 resumed>[3, 4], 0) = 0
[pid  3822] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3610] <... clone resumed>, child_tidptr=0x555556ecc690) = 3826
[pid  3825] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3824] dup(4./strace-static-x86_64: Process 3826 attached
 <unfinished ...>
[pid  3826] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3826] setpgid(0, 0)               = 0
[pid  3825] pipe2( <unfinished ...>
[pid  3824] <... dup resumed>)          = 5
[pid  3826] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3825] <... pipe2 resumed>[3, 4], 0) = 0
[pid  3824] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3826] <... openat resumed>)       = 3
[pid  3825] dup(4 <unfinished ...>
[pid  3826] write(3, "1000", 4 <unfinished ...>
[pid  3825] <... dup resumed>)          = 5
[pid  3826] <... write resumed>)        = 4
[pid  3825] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3826] close(3)                    = 0
[pid  3826] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3826] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3826] pipe2([3, 4], 0)            = 0
[pid  3826] dup(4)                      = 5
[pid  3826] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3821] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3823] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3823] exit_group(0)               = ?
[pid  3821] exit_group(0)               = ?
[pid  3821] +++ exited with 0 +++
[pid  3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3821, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
[pid  3823] +++ exited with 0 +++
[pid  3822] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3611] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  3822] exit_group(0 <unfinished ...>
[pid  3611] <... restart_syscall resumed>) = 0
[pid  3607] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3823, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
[pid  3822] <... exit_group resumed>)   = ?
[pid  3611] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid  3607] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid  3611] <... openat resumed>)       = 3
[pid  3611] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  3607] <... openat resumed>)       = 3
[pid  3611] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  3607] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  3611] close(3 <unfinished ...>
[pid  3607] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  3611] <... close resumed>)        = 0
[pid  3607] close(3 <unfinished ...>
[pid  3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  3607] <... close resumed>)        = 0
[pid  3607] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3827 attached
 <unfinished ...>
[pid  3611] <... clone resumed>, child_tidptr=0x555556ecc690) = 3827
[pid  3827] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3827] setpgid(0, 0)               = 0
[pid  3827] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3607] <... clone resumed>, child_tidptr=0x555556ecc690) = 3828
[pid  3827] <... openat resumed>)       = 3
[pid  3827] write(3, "1000", 4)         = 4
[pid  3827] close(3)                    = 0
./strace-static-x86_64: Process 3828 attached
[pid  3827] mkdir("./file0", 0777 <unfinished ...>
[pid  3822] +++ exited with 0 +++
[pid  3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3822, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
[pid  3608] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3
[pid  3608] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3608] close(3)                    = 0
[pid  3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  3828] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3827] <... mkdir resumed>)        = -1 EEXIST (File exists)
[pid  3608] <... clone resumed>, child_tidptr=0x555556ecc690) = 3829
[pid  3828] setpgid(0, 0 <unfinished ...>
[pid  3827] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3828] <... setpgid resumed>)      = 0
[pid  3827] pipe2( <unfinished ...>
[pid  3828] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3827] <... pipe2 resumed>[3, 4], 0) = 0
[pid  3828] <... openat resumed>)       = 3
[pid  3827] dup(4./strace-static-x86_64: Process 3829 attached
 <unfinished ...>
[pid  3828] write(3, "1000", 4 <unfinished ...>
[pid  3827] <... dup resumed>)          = 5
[pid  3828] <... write resumed>)        = 4
[pid  3827] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3828] close(3)                    = 0
[pid  3824] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3828] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3828] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3828] pipe2([3, 4], 0)            = 0
[pid  3828] dup(4)                      = 5
[pid  3828] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3824] exit_group(0)               = ?
[pid  3824] +++ exited with 0 +++
[pid  3829] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3826] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3825] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3824, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
[pid  3829] <... prctl resumed>)        = 0
[pid  3826] exit_group(0 <unfinished ...>
[pid  3825] exit_group(0 <unfinished ...>
[pid  3609] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  3829] setpgid(0, 0 <unfinished ...>
[pid  3826] <... exit_group resumed>)   = ?
[pid  3825] <... exit_group resumed>)   = ?
[pid  3609] <... restart_syscall resumed>) = 0
[pid  3829] <... setpgid resumed>)      = 0
[pid  3826] +++ exited with 0 +++
[pid  3829] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3825] +++ exited with 0 +++
[pid  3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3826, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
[pid  3829] <... openat resumed>)       = 3
[pid  3609] openat(AT_FDCWD, "/dev/loop3", O_RDWR <unfinished ...>
[pid  3829] write(3, "1000", 4 <unfinished ...>
[pid  3609] <... openat resumed>)       = 3
[pid  3606] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3825, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
[pid  3829] <... write resumed>)        = 4
[pid  3609] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  3606] restart_syscall(<... resuming interrupted clone ...> <unfinished ...>
[pid  3829] close(3 <unfinished ...>
[pid  3609] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  3606] <... restart_syscall resumed>) = 0
[pid  3829] <... close resumed>)        = 0
[pid  3609] close(3 <unfinished ...>
[pid  3829] mkdir("./file0", 0777 <unfinished ...>
[pid  3610] openat(AT_FDCWD, "/dev/loop4", O_RDWR <unfinished ...>
[pid  3609] <... close resumed>)        = 0
[pid  3829] <... mkdir resumed>)        = -1 EEXIST (File exists)
[pid  3610] <... openat resumed>)       = 3
[pid  3609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  3606] openat(AT_FDCWD, "/dev/loop0", O_RDWR <unfinished ...>
[pid  3829] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3610] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  3606] <... openat resumed>)       = 3
[pid  3829] pipe2( <unfinished ...>
[pid  3610] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  3609] <... clone resumed>, child_tidptr=0x555556ecc690) = 3830
[pid  3606] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  3829] <... pipe2 resumed>[3, 4], 0) = 0
[pid  3610] close(3 <unfinished ...>
[pid  3606] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
./strace-static-x86_64: Process 3830 attached
[pid  3829] dup(4 <unfinished ...>
[pid  3610] <... close resumed>)        = 0
[pid  3606] close(3 <unfinished ...>
[pid  3830] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3829] <... dup resumed>)          = 5
[pid  3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  3606] <... close resumed>)        = 0
[pid  3830] <... prctl resumed>)        = 0
[pid  3829] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3606] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  3830] setpgid(0, 0)               = 0
[pid  3610] <... clone resumed>, child_tidptr=0x555556ecc690) = 3831
[pid  3606] <... clone resumed>, child_tidptr=0x555556ecc690) = 3832
./strace-static-x86_64: Process 3831 attached
[pid  3830] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3828] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3831] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3830] <... openat resumed>)       = 3
[pid  3828] exit_group(0 <unfinished ...>
[pid  3831] <... prctl resumed>)        = 0
[pid  3830] write(3, "1000", 4 <unfinished ...>
[pid  3828] <... exit_group resumed>)   = ?
[pid  3831] setpgid(0, 0 <unfinished ...>
[pid  3830] <... write resumed>)        = 4
[pid  3828] +++ exited with 0 +++
[pid  3831] <... setpgid resumed>)      = 0
[pid  3830] close(3 <unfinished ...>
[pid  3607] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3828, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
[pid  3831] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3830] <... close resumed>)        = 0
[pid  3831] <... openat resumed>)       = 3
[pid  3830] mkdir("./file0", 0777 <unfinished ...>
[pid  3831] write(3, "1000", 4 <unfinished ...>
[pid  3830] <... mkdir resumed>)        = -1 EEXIST (File exists)
[pid  3607] openat(AT_FDCWD, "/dev/loop1", O_RDWR <unfinished ...>
[pid  3831] <... write resumed>)        = 4
[pid  3830] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3607] <... openat resumed>)       = 3
./strace-static-x86_64: Process 3832 attached
[pid  3831] close(3 <unfinished ...>
[pid  3830] pipe2( <unfinished ...>
[pid  3607] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  3832] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3831] <... close resumed>)        = 0
[pid  3830] <... pipe2 resumed>[3, 4], 0) = 0
[pid  3827] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3607] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  3832] <... prctl resumed>)        = 0
[pid  3831] mkdir("./file0", 0777 <unfinished ...>
[pid  3830] dup(4 <unfinished ...>
[pid  3827] exit_group(0 <unfinished ...>
[pid  3607] close(3 <unfinished ...>
[pid  3832] setpgid(0, 0 <unfinished ...>
[pid  3831] <... mkdir resumed>)        = -1 EEXIST (File exists)
[pid  3830] <... dup resumed>)          = 5
[pid  3827] <... exit_group resumed>)   = ?
[pid  3607] <... close resumed>)        = 0
[pid  3832] <... setpgid resumed>)      = 0
[pid  3831] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3830] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3827] +++ exited with 0 +++
[pid  3607] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  3832] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3831] pipe2( <unfinished ...>
[pid  3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3827, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
[pid  3832] <... openat resumed>)       = 3
[pid  3831] <... pipe2 resumed>[3, 4], 0) = 0
[pid  3607] <... clone resumed>, child_tidptr=0x555556ecc690) = 3833
[pid  3832] write(3, "1000", 4 <unfinished ...>
[pid  3831] dup(4 <unfinished ...>
[pid  3832] <... write resumed>)        = 4
[pid  3831] <... dup resumed>)          = 5
[pid  3611] openat(AT_FDCWD, "/dev/loop5", O_RDWR <unfinished ...>
[pid  3832] close(3 <unfinished ...>
[pid  3831] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3611] <... openat resumed>)       = 3
[pid  3832] <... close resumed>)        = 0
[pid  3611] ioctl(3, LOOP_CLR_FD <unfinished ...>
[pid  3832] mkdir("./file0", 0777 <unfinished ...>
[pid  3611] <... ioctl resumed>)        = -1 ENXIO (No such device or address)
[pid  3832] <... mkdir resumed>)        = -1 EEXIST (File exists)
[pid  3611] close(3 <unfinished ...>
[pid  3832] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3611] <... close resumed>)        = 0
[pid  3832] pipe2( <unfinished ...>
[pid  3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  3832] <... pipe2 resumed>[3, 4], 0) = 0
[pid  3832] dup(4 <unfinished ...>
[pid  3611] <... clone resumed>, child_tidptr=0x555556ecc690) = 3834
[pid  3832] <... dup resumed>)          = 5
[pid  3832] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005,"./strace-static-x86_64: Process 3834 attached
 <unfinished ...>
[pid  3834] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3834] setpgid(0, 0)               = 0
[pid  3834] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 3833 attached
 <unfinished ...>
[pid  3833] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3833] setpgid(0, 0)               = 0
[pid  3834] <... openat resumed>)       = 3
[pid  3833] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3834] write(3, "1000", 4 <unfinished ...>
[pid  3833] <... openat resumed>)       = 3
[pid  3833] write(3, "1000", 4 <unfinished ...>
[pid  3834] <... write resumed>)        = 4
[pid  3833] <... write resumed>)        = 4
[pid  3834] close(3 <unfinished ...>
[pid  3833] close(3 <unfinished ...>
[pid  3834] <... close resumed>)        = 0
[pid  3833] <... close resumed>)        = 0
[pid  3834] mkdir("./file0", 0777 <unfinished ...>
[pid  3833] mkdir("./file0", 0777 <unfinished ...>
[pid  3834] <... mkdir resumed>)        = -1 EEXIST (File exists)
[pid  3833] <... mkdir resumed>)        = -1 EEXIST (File exists)
[pid  3834] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3833] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3834] pipe2( <unfinished ...>
[pid  3833] pipe2( <unfinished ...>
[pid  3834] <... pipe2 resumed>[3, 4], 0) = 0
[pid  3833] <... pipe2 resumed>[3, 4], 0) = 0
[pid  3834] dup(4 <unfinished ...>
[pid  3833] dup(4 <unfinished ...>
[pid  3834] <... dup resumed>)          = 5
[pid  3833] <... dup resumed>)          = 5
[pid  3834] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3833] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000005," <unfinished ...>
[pid  3829] <... mount resumed>)        = -1 EFAULT (Bad address)
[pid  3829] exit_group(0)               = ?
[pid  3829] +++ exited with 0 +++
[pid  3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3829, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
[pid  3608] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3
[pid  3608] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid  3608] close(3)                    = 0
[pid  3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556ecc690) = 3835
./strace-static-x86_64: Process 3835 attached
[pid  3835] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3835] setpgid(0, 0)               = 0
[pid  3835] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3835] write(3, "1000", 4)         = 4
[pid  3835] close(3)                    = 0
[pid  3835] mkdir("./file0", 0777)      = -1 EEXIST (File exists)
[pid  3835] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid  3835] pipe2([3, 4], 0)            = 0
[pid  3835] dup(4)                      = 5
syzkaller login: [   47.491667][ T3830] ==================================================================
[   47.499770][ T3830] BUG: KASAN: use-after-free in __kernfs_remove+0xa09/0xb50
[   47.507094][ T3830] Read of size 2 at addr ffff88802296ce30 by task syz-executor215/3830
[   47.515355][ T3830] 
[   47.517675][ T3830] CPU: 1 PID: 3830 Comm: syz-executor215 Not tainted 6.0.0-rc3-next-20220901-syzkaller #0
[   47.527606][ T3830] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022
[   47.537761][ T3830] Call Trace:
[   47.541057][ T3830]  <TASK>
[   47.543991][ T3830]  dump_stack_lvl+0xcd/0x134
[   47.548587][ T3830]  print_report.cold+0x2ba/0x719
[   47.553555][ T3830]  ? __kernfs_remove+0xa09/0xb50
[   47.558486][ T3830]  kasan_report+0xb1/0x1e0
[   47.562902][ T3830]  ? __kernfs_remove+0xa09/0xb50
[   47.567833][ T3830]  __kernfs_remove+0xa09/0xb50
[   47.572597][ T3830]  ? wait_for_completion_io_timeout+0x20/0x20
[   47.578691][ T3830]  ? lock_downgrade+0x6e0/0x6e0
[   47.583567][ T3830]  ? kernfs_next_descendant_post+0x2f0/0x2f0
[   47.589569][ T3830]  ? kernfs_name_hash+0xf1/0x120
[   47.594538][ T3830]  kernfs_remove_by_name_ns+0xa8/0x110
[   47.599992][ T3830]  sysfs_slab_add+0x13e/0x1e0
[   47.604674][ T3830]  __kmem_cache_create+0x542/0x6d0
[   47.609823][ T3830]  kmem_cache_create_usercopy+0x1f9/0x300
[   47.615571][ T3830]  p9_client_create+0xca5/0x1070
[   47.620531][ T3830]  ? p9_client_rpc+0xce0/0xce0
[   47.625296][ T3830]  ? lockdep_init_map_type+0x21a/0x7f0
[   47.630751][ T3830]  ? __kasan_kmalloc+0xa9/0xd0
[   47.635524][ T3830]  ? __raw_spin_lock_init+0x36/0x110
[   47.640838][ T3830]  v9fs_session_init+0x1e2/0x1810
[   47.645899][ T3830]  ? lock_acquire+0x480/0x570
[   47.650590][ T3830]  ? rcu_read_lock_sched_held+0xd/0x70
[   47.656066][ T3830]  ? lock_release+0x560/0x780
[   47.660768][ T3830]  ? __kmem_cache_alloc_node+0x48/0x3d0
[   47.666338][ T3830]  ? lock_downgrade+0x6e0/0x6e0
[   47.671219][ T3830]  ? v9fs_show_options+0x780/0x780
[   47.676382][ T3830]  ? __kmem_cache_alloc_node+0x1d8/0x3d0
[   47.682022][ T3830]  ? v9fs_mount+0x9b/0xc90
[   47.686453][ T3830]  v9fs_mount+0xba/0xc90
[   47.690743][ T3830]  ? __kmem_cache_alloc_node+0x1d8/0x3d0
[   47.696416][ T3830]  ? legacy_init_fs_context+0x40/0xe0
[   47.701814][ T3830]  ? v9fs_statfs+0x4d0/0x4d0
[   47.706435][ T3830]  ? apparmor_capable+0x1d8/0x460
[   47.711467][ T3830]  ? v9fs_statfs+0x4d0/0x4d0
[   47.716060][ T3830]  legacy_get_tree+0x105/0x220
[   47.720848][ T3830]  vfs_get_tree+0x89/0x2f0
[   47.725284][ T3830]  path_mount+0x1326/0x1e20
[   47.729809][ T3830]  ? kmem_cache_free+0xe7/0x5b0
[   47.734689][ T3830]  ? finish_automount+0x960/0x960
[   47.739924][ T3830]  ? putname+0xfe/0x140
[   47.744181][ T3830]  __x64_sys_mount+0x27f/0x300
[   47.748963][ T3830]  ? copy_mnt_ns+0xae0/0xae0
[   47.753640][ T3830]  ? _raw_spin_unlock_irq+0x2a/0x40
[   47.758839][ T3830]  ? ptrace_notify+0xfa/0x140
[   47.763535][ T3830]  do_syscall_64+0x35/0xb0
[   47.768042][ T3830]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[   47.773974][ T3830] RIP: 0033:0x7fcb4f826f59
[   47.778387][ T3830] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48
[   47.798092][ T3830] RSP: 002b:00007ffe9e3053c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[   47.806512][ T3830] RAX: ffffffffffffffda RBX: 00007ffe9e305400 RCX: 00007fcb4f826f59
[   47.814515][ T3830] RDX: 00000000200001c0 RSI: 0000000020000040 RDI: 0000000000000000
[   47.822574][ T3830] RBP: 0000000000000000 R08: 0000000020000300 R09: 000000000000b8c4
[   47.830552][ T3830] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000000f4240
[   47.838523][ T3830] R13: 000000000000b8c4 R14: 00007ffe9e3053ec R15: 00007ffe9e3053f0
[   47.846515][ T3830]  </TASK>
[   47.849621][ T3830] 
[   47.851954][ T3830] Allocated by task 3829:
[   47.856280][ T3830]  kasan_save_stack+0x1e/0x40
[   47.861055][ T3830]  __kasan_slab_alloc+0x90/0xc0
[   47.865935][ T3830]  kmem_cache_alloc+0x2b7/0x3d0
[   47.870842][ T3830]  __kernfs_new_node+0xd4/0x8b0
[   47.875810][ T3830]  kernfs_create_dir_ns+0x9c/0x220
[   47.881067][ T3830]  sysfs_create_dir_ns+0x127/0x290
[   47.886220][ T3830]  kobject_add_internal+0x2c9/0x8f0
[   47.891427][ T3830]  kobject_init_and_add+0x101/0x160
[   47.896643][ T3830]  sysfs_slab_add+0x161/0x1e0
[   47.901337][ T3830]  __kmem_cache_create+0x542/0x6d0
[   47.906451][ T3830]  kmem_cache_create_usercopy+0x1f9/0x300
[   47.912161][ T3830]  p9_client_create+0xca5/0x1070
[   47.917100][ T3830]  v9fs_session_init+0x1e2/0x1810
[   47.922152][ T3830]  v9fs_mount+0xba/0xc90
[   47.926399][ T3830]  legacy_get_tree+0x105/0x220
[   47.931174][ T3830]  vfs_get_tree+0x89/0x2f0
[   47.935847][ T3830]  path_mount+0x1326/0x1e20
[   47.940355][ T3830]  __x64_sys_mount+0x27f/0x300
[   47.945123][ T3830]  do_syscall_64+0x35/0xb0
[   47.949562][ T3830]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[   47.955446][ T3830] 
[   47.957791][ T3830] Freed by task 3830:
[   47.961776][ T3830]  kasan_save_stack+0x1e/0x40
[   47.966493][ T3830]  kasan_set_track+0x21/0x30
[   47.971096][ T3830]  kasan_set_free_info+0x20/0x30
[   47.976039][ T3830]  ____kasan_slab_free+0x166/0x1c0
[   47.981151][ T3830]  slab_free_freelist_hook+0x8b/0x1c0
[   47.986550][ T3830]  kmem_cache_free+0xe7/0x5b0
[   47.991249][ T3830]  kernfs_put.part.0+0x2c4/0x540
[   47.996191][ T3830]  kernfs_put+0x42/0x50
[   48.000373][ T3830]  __kernfs_remove+0x7a6/0xb50
[   48.005159][ T3830]  kernfs_remove_by_name_ns+0xa8/0x110
[   48.010637][ T3830]  sysfs_slab_add+0x13e/0x1e0
[   48.015344][ T3830]  __kmem_cache_create+0x542/0x6d0
[   48.020486][ T3830]  kmem_cache_create_usercopy+0x1f9/0x300
[   48.026225][ T3830]  p9_client_create+0xca5/0x1070
[   48.031193][ T3830]  v9fs_session_init+0x1e2/0x1810
[   48.036234][ T3830]  v9fs_mount+0xba/0xc90
[   48.040471][ T3830]  legacy_get_tree+0x105/0x220
[   48.045328][ T3830]  vfs_get_tree+0x89/0x2f0
[   48.049839][ T3830]  path_mount+0x1326/0x1e20
[   48.054341][ T3830]  __x64_sys_mount+0x27f/0x300
[   48.059109][ T3830]  do_syscall_64+0x35/0xb0
[   48.063530][ T3830]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[   48.069443][ T3830] 
[   48.071762][ T3830] The buggy address belongs to the object at ffff88802296cd98
[   48.071762][ T3830]  which belongs to the cache kernfs_node_cache of size 168
[   48.086494][ T3830] The buggy address is located 152 bytes inside of
[   48.086494][ T3830]  168-byte region [ffff88802296cd98, ffff88802296ce40)
[   48.099754][ T3830] 
[   48.102085][ T3830] The buggy address belongs to the physical page:
[   48.108499][ T3830] page:ffffea00008a5b00 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x2296c
[   48.118655][ T3830] flags: 0xfff00000000200(slab|node=0|zone=1|lastcpupid=0x7ff)
[   48.126231][ T3830] raw: 00fff00000000200 ffffea00005c36c0 dead000000000003 ffff8880119d4c80
[   48.134834][ T3830] raw: 0000000000000000 0000000000110011 00000001ffffffff 0000000000000000
[   48.143504][ T3830] page dumped because: kasan: bad access detected
[   48.150262][ T3830] page_owner tracks the page as allocated
[   48.156007][ T3830] page last allocated via order 0, migratetype Unmovable, gfp_mask 0x12cc0(GFP_KERNEL|__GFP_NOWARN|__GFP_NORETRY), pid 3698, tgid 3698 (syz-executor215), ts 44262431932, free_ts 44258443593
[   48.174691][ T3830]  get_page_from_freelist+0x109b/0x2ce0
[   48.180245][ T3830]  __alloc_pages+0x1c7/0x510
[   48.184851][ T3830]  alloc_pages+0x1a6/0x270
[   48.189294][ T3830]  allocate_slab+0x228/0x370
[   48.193906][ T3830]  ___slab_alloc+0xad0/0x1440
[   48.198608][ T3830]  __slab_alloc.constprop.0+0x4d/0xa0
[   48.204013][ T3830]  kmem_cache_alloc+0x31c/0x3d0
[   48.208885][ T3830]  __kernfs_new_node+0xd4/0x8b0
[   48.213742][ T3830]  kernfs_new_node+0x93/0x120
[   48.218414][ T3830]  kernfs_create_link+0xcb/0x230
[   48.223376][ T3830]  sysfs_do_create_link_sd+0x90/0x140
[   48.228778][ T3830]  sysfs_create_link+0x5f/0xc0
[   48.233555][ T3830]  device_add+0x700/0x1e90
[   48.237988][ T3830]  device_create_groups_vargs+0x203/0x280
[   48.243710][ T3830]  device_create+0xdf/0x120
[   48.248235][ T3830]  bdi_register_va.part.0+0x9c/0x800
[   48.253538][ T3830] page last free stack trace:
[   48.258203][ T3830]  free_pcp_prepare+0x5e4/0xd20
[   48.263081][ T3830]  free_unref_page+0x19/0x4d0
[   48.267779][ T3830]  __unfreeze_partials+0x17c/0x1a0
[   48.272893][ T3830]  qlist_free_all+0x6a/0x170
[   48.277499][ T3830]  kasan_quarantine_reduce+0x180/0x200
[   48.282975][ T3830]  __kasan_slab_alloc+0xa2/0xc0
[   48.287843][ T3830]  kmem_cache_alloc+0x2b7/0x3d0
[   48.292694][ T3830]  getname_flags.part.0+0x50/0x4f0
[   48.297820][ T3830]  getname+0x8e/0xd0
[   48.301724][ T3830]  do_sys_openat2+0xf5/0x4c0
[   48.306336][ T3830]  __x64_sys_openat+0x13f/0x1f0
[   48.311207][ T3830]  do_syscall_64+0x35/0xb0
[   48.315642][ T3830]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[   48.321558][ T3830] 
[   48.323888][ T3830] Memory state around the buggy address:
[   48.329522][ T3830]  ffff88802296cd00: fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc fc
[   48.337690][ T3830]  ffff88802296cd80: fc fc fc fa fb fb fb fb fb fb fb fb fb fb fb fb
[   48.345750][ T3830] >ffff88802296ce00: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc
[   48.353810][ T3830]                                      ^
[   48.359425][ T3830]  ffff88802296ce80: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   48.367476][ T3830]  ffff88802296cf00: fb fb fb fb fb fc fc fc fc fc fc fc fc fc fc fc
[   48.375532][ T3830] ==================================================================
[   48.384326][ T3830] Kernel panic - not syncing: panic_on_warn set ...
[   48.390941][ T3830] CPU: 1 PID: 3830 Comm: syz-executor215 Not tainted 6.0.0-rc3-next-20220901-syzkaller #0
[   48.400855][ T3830] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022
[   48.410940][ T3830] Call Trace:
[   48.414216][ T3830]  <TASK>
[   48.417146][ T3830]  dump_stack_lvl+0xcd/0x134
[   48.421764][ T3830]  panic+0x2c8/0x622
[   48.425676][ T3830]  ? panic_print_sys_info.part.0+0x110/0x110
[   48.431668][ T3830]  ? preempt_schedule_common+0x59/0xc0
[   48.437159][ T3830]  ? preempt_schedule_thunk+0x16/0x18
[   48.442548][ T3830]  ? __kernfs_remove+0xa09/0xb50
[   48.447507][ T3830]  end_report.part.0+0x3f/0x7c
[   48.452277][ T3830]  kasan_report.cold+0xa/0xf
[   48.456893][ T3830]  ? __kernfs_remove+0xa09/0xb50
[   48.461987][ T3830]  __kernfs_remove+0xa09/0xb50
[   48.466776][ T3830]  ? wait_for_completion_io_timeout+0x20/0x20
[   48.473040][ T3830]  ? lock_downgrade+0x6e0/0x6e0
[   48.477899][ T3830]  ? kernfs_next_descendant_post+0x2f0/0x2f0
[   48.483910][ T3830]  ? kernfs_name_hash+0xf1/0x120
[   48.488896][ T3830]  kernfs_remove_by_name_ns+0xa8/0x110
[   48.494388][ T3830]  sysfs_slab_add+0x13e/0x1e0
[   48.499096][ T3830]  __kmem_cache_create+0x542/0x6d0
[   48.504219][ T3830]  kmem_cache_create_usercopy+0x1f9/0x300
[   48.509968][ T3830]  p9_client_create+0xca5/0x1070
[   48.514951][ T3830]  ? p9_client_rpc+0xce0/0xce0
[   48.519748][ T3830]  ? lockdep_init_map_type+0x21a/0x7f0
[   48.525317][ T3830]  ? __kasan_kmalloc+0xa9/0xd0
[   48.530111][ T3830]  ? __raw_spin_lock_init+0x36/0x110
[   48.535424][ T3830]  v9fs_session_init+0x1e2/0x1810
[   48.540485][ T3830]  ? lock_acquire+0x480/0x570
[   48.545176][ T3830]  ? rcu_read_lock_sched_held+0xd/0x70
[   48.550633][ T3830]  ? lock_release+0x560/0x780
[   48.555358][ T3830]  ? __kmem_cache_alloc_node+0x48/0x3d0
[   48.560929][ T3830]  ? lock_downgrade+0x6e0/0x6e0
[   48.565800][ T3830]  ? v9fs_show_options+0x780/0x780
[   48.570961][ T3830]  ? __kmem_cache_alloc_node+0x1d8/0x3d0
[   48.576620][ T3830]  ? v9fs_mount+0x9b/0xc90
[   48.581043][ T3830]  v9fs_mount+0xba/0xc90
[   48.585314][ T3830]  ? __kmem_cache_alloc_node+0x1d8/0x3d0
[   48.590981][ T3830]  ? legacy_init_fs_context+0x40/0xe0
[   48.596456][ T3830]  ? v9fs_statfs+0x4d0/0x4d0
[   48.601222][ T3830]  ? apparmor_capable+0x1d8/0x460
[   48.606279][ T3830]  ? v9fs_statfs+0x4d0/0x4d0
[   48.610917][ T3830]  legacy_get_tree+0x105/0x220
[   48.615696][ T3830]  vfs_get_tree+0x89/0x2f0
[   48.620291][ T3830]  path_mount+0x1326/0x1e20
[   48.624834][ T3830]  ? kmem_cache_free+0xe7/0x5b0
[   48.629713][ T3830]  ? finish_automount+0x960/0x960
[   48.634748][ T3830]  ? putname+0xfe/0x140
[   48.638911][ T3830]  __x64_sys_mount+0x27f/0x300
[   48.643686][ T3830]  ? copy_mnt_ns+0xae0/0xae0
[   48.648383][ T3830]  ? _raw_spin_unlock_irq+0x2a/0x40
[   48.653601][ T3830]  ? ptrace_notify+0xfa/0x140
[   48.658283][ T3830]  do_syscall_64+0x35/0xb0
[   48.662817][ T3830]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[   48.668746][ T3830] RIP: 0033:0x7fcb4f826f59
[   48.673173][ T3830] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48
[   48.692809][ T3830] RSP: 002b:00007ffe9e3053c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[   48.701246][ T3830] RAX: ffffffffffffffda RBX: 00007ffe9e305400 RCX: 00007fcb4f826f59
[   48.709236][ T3830] RDX: 00000000200001c0 RSI: 0000000020000040 RDI: 0000000000000000
[   48.717258][ T3830] RBP: 0000000000000000 R08: 0000000020000300 R09: 000000000000b8c4
[   48.725330][ T3830] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000000f4240
[   48.733317][ T3830] R13: 000000000000b8c4 R14: 00007ffe9e3053ec R15: 00007ffe9e3053f0
[   48.741312][ T3830]  </TASK>
[   48.744533][ T3830] Kernel Offset: disabled
[   48.748857][ T3830] Rebooting in 86400 seconds..