./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor126166090 <...> TE, 0, NULL [pid 18297] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 18306 attached [pid 18305] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18304] <... futex resumed>) = 1 [pid 18301] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18299] <... futex resumed>) = 0 [pid 18297] <... futex resumed>) = 0 [pid 18306] set_robust_list(0x7fe89d1609e0, 24 [pid 18305] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18304] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18303] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18302] <... clone resumed>, parent_tid=[18306], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18306 [pid 18301] write(4, NULL, 126976 [pid 18299] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18297] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18306] <... set_robust_list resumed>) = 0 [pid 18305] <... futex resumed>) = 1 [pid 18304] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18303] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18302] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18301] <... write resumed>) = -1 EFAULT (Bad address) [pid 18300] <... futex resumed>) = 0 [pid 18299] <... futex resumed>) = 0 [pid 18305] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18304] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18303] <... futex resumed>) = 1 [pid 18302] <... futex resumed>) = 0 [pid 18301] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18300] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18299] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18298] <... futex resumed>) = 0 [pid 18306] mkdir("./file0", 0777 [pid 18305] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18302] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18301] <... futex resumed>) = 1 [pid 18300] <... futex resumed>) = 0 [pid 18298] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18297] <... futex resumed>) = 0 [pid 18305] pipe2( [pid 18301] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18300] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18297] exit_group(0 [pid 18305] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18301] <... futex resumed>) = ? [pid 18297] <... exit_group resumed>) = ? [pid 18305] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18303] write(4, NULL, 126976 [pid 18301] +++ exited with 0 +++ [pid 18298] <... futex resumed>) = 0 [pid 18297] +++ exited with 0 +++ [pid 18306] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18305] <... futex resumed>) = 1 [pid 18303] <... write resumed>) = -1 EFAULT (Bad address) [pid 18300] <... futex resumed>) = 0 [pid 18298] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18297, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18306] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18305] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18303] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18300] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18298] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18306] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18305] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18303] <... futex resumed>) = 0 [pid 18300] <... futex resumed>) = 0 [pid 18298] exit_group(0 [pid 18306] <... futex resumed>) = 1 [pid 18305] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18302] <... futex resumed>) = 0 [pid 18300] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18298] <... exit_group resumed>) = ? [pid 18306] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18304] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18303] +++ exited with 0 +++ [pid 18302] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18298] +++ exited with 0 +++ [pid 3613] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 18306] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18304] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18302] <... futex resumed>) = 0 [pid 3613] <... openat resumed>) = 3 [pid 3612] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18298, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 18306] pipe2( [pid 18304] <... futex resumed>) = 1 [pid 18302] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18299] <... futex resumed>) = 0 [pid 3613] ioctl(3, LOOP_CLR_FD [pid 18306] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18304] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18299] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3613] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18306] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18304] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18299] <... futex resumed>) = 0 [pid 3613] close(3 [pid 3612] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 18306] <... futex resumed>) = 1 [pid 18304] write(4, NULL, 126976 [pid 18302] <... futex resumed>) = 0 [pid 18299] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3613] <... close resumed>) = 0 [pid 3612] <... openat resumed>) = 3 [pid 18306] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18304] <... write resumed>) = -1 EFAULT (Bad address) [pid 18302] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3612] ioctl(3, LOOP_CLR_FD [pid 18306] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18304] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18302] <... futex resumed>) = 0 [pid 3612] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18306] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18304] <... futex resumed>) = 1 [pid 18302] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18299] <... futex resumed>) = 0 [pid 3613] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18307 [pid 3612] close(3 [pid 18304] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18299] exit_group(0 [pid 3612] <... close resumed>) = 0 ./strace-static-x86_64: Process 18307 attached [pid 18305] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18304] <... futex resumed>) = ? [pid 18299] <... exit_group resumed>) = ? [pid 3612] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18307] set_robust_list(0x55555697d6e0, 24 [pid 18305] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18304] +++ exited with 0 +++ [pid 18299] +++ exited with 0 +++ [pid 18307] <... set_robust_list resumed>) = 0 [pid 18305] <... futex resumed>) = 1 [pid 18300] <... futex resumed>) = 0 [pid 3612] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18308 [pid 3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18299, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18307] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18306] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18305] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18300] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18307] <... prctl resumed>) = 0 [pid 18306] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18305] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18300] <... futex resumed>) = 0 [pid 18307] setpgid(0, 0 [pid 18306] <... futex resumed>) = 1 [pid 18305] write(4, NULL, 126976 [pid 18302] <... futex resumed>) = 0 [pid 18300] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 18308 attached [pid 18307] <... setpgid resumed>) = 0 [pid 18306] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18305] <... write resumed>) = -1 EFAULT (Bad address) [pid 18302] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18308] set_robust_list(0x55555697d6e0, 24 [pid 18307] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18306] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18305] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18302] <... futex resumed>) = 0 [pid 18308] <... set_robust_list resumed>) = 0 [pid 18307] <... openat resumed>) = 3 [pid 18306] write(4, NULL, 126976 [pid 18305] <... futex resumed>) = 1 [pid 18302] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18300] <... futex resumed>) = 0 [pid 18308] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18307] write(3, "1000", 4 [pid 18306] <... write resumed>) = -1 EFAULT (Bad address) [pid 18305] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18300] exit_group(0 [pid 18308] <... prctl resumed>) = 0 [pid 18307] <... write resumed>) = 4 [pid 18306] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18305] <... futex resumed>) = ? [pid 18300] <... exit_group resumed>) = ? [pid 3609] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 18308] setpgid(0, 0 [pid 18307] close(3 [pid 18306] <... futex resumed>) = 1 [pid 18305] +++ exited with 0 +++ [pid 18302] <... futex resumed>) = 0 [pid 18308] <... setpgid resumed>) = 0 [pid 18306] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18302] exit_group(0 [pid 18308] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18306] <... futex resumed>) = ? [pid 18302] <... exit_group resumed>) = ? [pid 18300] +++ exited with 0 +++ [pid 18308] <... openat resumed>) = 3 [pid 18307] <... close resumed>) = 0 [pid 18306] +++ exited with 0 +++ [pid 18302] +++ exited with 0 +++ [pid 3609] <... openat resumed>) = 3 [pid 18308] write(3, "1000", 4 [pid 18307] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18300, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18302, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3609] ioctl(3, LOOP_CLR_FD [pid 18308] <... write resumed>) = 4 [pid 18307] <... futex resumed>) = 0 [pid 18308] close(3 [pid 18307] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3609] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18308] <... close resumed>) = 0 [pid 18308] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18307] <... mmap resumed>) = 0x7fe89d140000 [pid 18308] <... futex resumed>) = 0 [pid 18308] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe89d140000 [pid 18307] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 3611] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 3610] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 3609] close(3 [pid 18308] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18307] <... mprotect resumed>) = 0 [pid 18308] <... mprotect resumed>) = 0 [pid 3611] <... openat resumed>) = 3 [pid 3610] <... openat resumed>) = 3 [pid 18308] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18307] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3609] <... close resumed>) = 0 [pid 3611] ioctl(3, LOOP_CLR_FD [pid 3610] ioctl(3, LOOP_CLR_FD [pid 3609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18308] <... clone resumed>, parent_tid=[18309], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18309 [pid 18307] <... clone resumed>, parent_tid=[18310], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18310 [pid 3611] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3610] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18308] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 18308] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18307] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] close(3 [pid 3610] close(3 [pid 18307] <... futex resumed>) = 0 [pid 3611] <... close resumed>) = 0 [pid 3610] <... close resumed>) = 0 [pid 3609] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18311 [pid 18307] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18311 attached [pid 18311] set_robust_list(0x55555697d6e0, 24) = 0 [pid 18311] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3611] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18312 [pid 18311] setpgid(0, 0 [pid 3610] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18313 ./strace-static-x86_64: Process 18309 attached [pid 18311] <... setpgid resumed>) = 0 [pid 18311] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18309] set_robust_list(0x7fe89d1609e0, 24 [pid 18311] <... openat resumed>) = 3 [pid 18309] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 18313 attached [pid 18311] write(3, "1000", 4 [pid 18309] mkdir("./file0", 0777 [pid 18313] set_robust_list(0x55555697d6e0, 24 [pid 18311] <... write resumed>) = 4 [pid 18309] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18313] <... set_robust_list resumed>) = 0 [pid 18311] close(3 [pid 18309] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18313] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18311] <... close resumed>) = 0 [pid 18309] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18313] <... prctl resumed>) = 0 [pid 18311] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18309] <... futex resumed>) = 1 [pid 18308] <... futex resumed>) = 0 ./strace-static-x86_64: Process 18312 attached [pid 18313] setpgid(0, 0 [pid 18311] <... futex resumed>) = 0 [pid 18309] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18308] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18313] <... setpgid resumed>) = 0 [pid 18312] set_robust_list(0x55555697d6e0, 24 [pid 18311] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18309] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18308] <... futex resumed>) = 0 ./strace-static-x86_64: Process 18310 attached [pid 18313] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18311] <... mmap resumed>) = 0x7fe89d140000 [pid 18312] <... set_robust_list resumed>) = 0 [pid 18309] pipe2( [pid 18308] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18313] <... openat resumed>) = 3 [pid 18311] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18309] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18310] set_robust_list(0x7fe89d1609e0, 24 [pid 18313] write(3, "1000", 4 [pid 18311] <... mprotect resumed>) = 0 [pid 18309] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18310] <... set_robust_list resumed>) = 0 [pid 18312] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18313] <... write resumed>) = 4 [pid 18311] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18309] <... futex resumed>) = 1 [pid 18308] <... futex resumed>) = 0 [pid 18313] close(3 [pid 18312] <... prctl resumed>) = 0 [pid 18310] mkdir("./file0", 0777 [pid 18309] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18308] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18313] <... close resumed>) = 0 [pid 18312] setpgid(0, 0 [pid 18311] <... clone resumed>, parent_tid=[18314], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18314 [pid 18310] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18309] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18308] <... futex resumed>) = 0 [pid 18313] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18312] <... setpgid resumed>) = 0 [pid 18311] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18310] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18309] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18308] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18313] <... futex resumed>) = 0 [pid 18312] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18311] <... futex resumed>) = 0 [pid 18310] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18313] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18311] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18313] <... mmap resumed>) = 0x7fe89d140000 [pid 18313] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 18313] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[18315], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18315 ./strace-static-x86_64: Process 18314 attached [pid 18313] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18314] set_robust_list(0x7fe89d1609e0, 24 [pid 18313] <... futex resumed>) = 0 [pid 18314] <... set_robust_list resumed>) = 0 [pid 18313] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18314] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 18314] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18314] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 18311] <... futex resumed>) = 0 [pid 18314] pipe2( [pid 18311] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18314] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18312] <... openat resumed>) = 3 [pid 18311] <... futex resumed>) = 0 [pid 18310] <... futex resumed>) = 1 [pid 18307] <... futex resumed>) = 0 [pid 18314] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18312] write(3, "1000", 4 [pid 18311] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18310] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18307] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 18315 attached [pid 18314] <... futex resumed>) = 0 [pid 18312] <... write resumed>) = 4 [pid 18311] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18310] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18307] <... futex resumed>) = 0 [pid 18315] set_robust_list(0x7fe89d1609e0, 24 [pid 18314] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18312] close(3 [pid 18311] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18310] pipe2( [pid 18307] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18315] <... set_robust_list resumed>) = 0 [pid 18314] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18312] <... close resumed>) = 0 [pid 18311] <... futex resumed>) = 0 [pid 18310] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18315] mkdir("./file0", 0777 [pid 18314] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18312] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18311] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18310] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18309] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18315] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18312] <... futex resumed>) = 0 [pid 18310] <... futex resumed>) = 1 [pid 18309] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18307] <... futex resumed>) = 0 [pid 18315] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18312] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18310] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18309] <... futex resumed>) = 1 [pid 18308] <... futex resumed>) = 0 [pid 18307] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18315] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18312] <... mmap resumed>) = 0x7fe89d140000 [pid 18310] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18309] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18308] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18307] <... futex resumed>) = 0 [pid 18315] <... futex resumed>) = 1 [pid 18313] <... futex resumed>) = 0 [pid 18312] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18309] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18310] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18308] <... futex resumed>) = 0 [pid 18307] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18315] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18313] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18312] <... mprotect resumed>) = 0 [pid 18309] write(4, NULL, 126976 [pid 18308] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18315] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18313] <... futex resumed>) = 0 [pid 18312] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18309] <... write resumed>) = -1 EFAULT (Bad address) [pid 18315] pipe2( [pid 18313] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18309] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 18316 attached [pid 18315] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18312] <... clone resumed>, parent_tid=[18316], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18316 [pid 18309] <... futex resumed>) = 1 [pid 18308] <... futex resumed>) = 0 [pid 18315] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18312] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18309] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18308] exit_group(0 [pid 18315] <... futex resumed>) = 1 [pid 18313] <... futex resumed>) = 0 [pid 18312] <... futex resumed>) = 0 [pid 18309] <... futex resumed>) = ? [pid 18308] <... exit_group resumed>) = ? [pid 18316] set_robust_list(0x7fe89d1609e0, 24 [pid 18315] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18313] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18312] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18309] +++ exited with 0 +++ [pid 18315] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18313] <... futex resumed>) = 0 [pid 18308] +++ exited with 0 +++ [pid 18315] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18313] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18316] <... set_robust_list resumed>) = 0 [pid 18316] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 18314] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3612] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18308, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18316] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18314] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3612] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 18316] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 18312] <... futex resumed>) = 0 [pid 18316] pipe2( [pid 18312] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3612] <... openat resumed>) = 3 [pid 18316] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18314] <... futex resumed>) = 1 [pid 18312] <... futex resumed>) = 0 [pid 18311] <... futex resumed>) = 0 [pid 18310] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3612] ioctl(3, LOOP_CLR_FD [pid 18316] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18314] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18312] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18311] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18310] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3612] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18316] <... futex resumed>) = 0 [pid 18315] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18314] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18312] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18311] <... futex resumed>) = 0 [pid 18310] <... futex resumed>) = 1 [pid 18307] <... futex resumed>) = 0 [pid 3612] close(3 [pid 18316] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18315] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18314] write(4, NULL, 126976 [pid 18312] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18311] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18310] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18307] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3612] <... close resumed>) = 0 [pid 18316] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18315] <... futex resumed>) = 1 [pid 18314] <... write resumed>) = -1 EFAULT (Bad address) [pid 18313] <... futex resumed>) = 0 [pid 18312] <... futex resumed>) = 0 [pid 18310] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18307] <... futex resumed>) = 0 [pid 3612] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18316] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18315] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18314] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18313] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18312] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18310] write(4, NULL, 126976 [pid 18307] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 18317 attached [pid 18315] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18314] <... futex resumed>) = 1 [pid 18313] <... futex resumed>) = 0 [pid 18311] <... futex resumed>) = 0 [pid 18310] <... write resumed>) = -1 EFAULT (Bad address) [pid 3612] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18317 [pid 18317] set_robust_list(0x55555697d6e0, 24 [pid 18315] write(4, NULL, 126976 [pid 18314] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18313] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18311] exit_group(0 [pid 18310] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18317] <... set_robust_list resumed>) = 0 [pid 18315] <... write resumed>) = -1 EFAULT (Bad address) [pid 18314] <... futex resumed>) = ? [pid 18311] <... exit_group resumed>) = ? [pid 18310] <... futex resumed>) = 1 [pid 18307] <... futex resumed>) = 0 [pid 18317] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18315] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18314] +++ exited with 0 +++ [pid 18311] +++ exited with 0 +++ [pid 18310] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18307] exit_group(0 [pid 18317] <... prctl resumed>) = 0 [pid 18315] <... futex resumed>) = 1 [pid 18313] <... futex resumed>) = 0 [pid 18310] <... futex resumed>) = ? [pid 18307] <... exit_group resumed>) = ? [pid 18317] setpgid(0, 0 [pid 18315] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18313] exit_group(0 [pid 18310] +++ exited with 0 +++ [pid 18317] <... setpgid resumed>) = 0 [pid 18315] <... futex resumed>) = ? [pid 18313] <... exit_group resumed>) = ? [pid 18317] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18315] +++ exited with 0 +++ [pid 18313] +++ exited with 0 +++ [pid 18307] +++ exited with 0 +++ [pid 3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18311, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 18317] <... openat resumed>) = 3 [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18307, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 18317] write(3, "1000", 4 [pid 3613] restart_syscall(<... resuming interrupted clone ...> [pid 18317] <... write resumed>) = 4 [pid 3613] <... restart_syscall resumed>) = 0 [pid 18317] close(3) = 0 [pid 18317] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3613] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18313, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3609] restart_syscall(<... resuming interrupted clone ...> [pid 18317] <... futex resumed>) = 0 [pid 3613] <... openat resumed>) = 3 [pid 3609] <... restart_syscall resumed>) = 0 [pid 18317] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3613] ioctl(3, LOOP_CLR_FD [pid 18317] <... mmap resumed>) = 0x7fe89d140000 [pid 3613] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18317] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 3613] close(3 [pid 3610] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 18317] <... mprotect resumed>) = 0 [pid 3613] <... close resumed>) = 0 [pid 18317] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3610] <... openat resumed>) = 3 [pid 3609] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 3610] ioctl(3, LOOP_CLR_FD [pid 18317] <... clone resumed>, parent_tid=[18318], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18318 [pid 3613] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18319 [pid 3609] <... openat resumed>) = 3 [pid 3610] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18317] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3610] close(3 [pid 3609] ioctl(3, LOOP_CLR_FD [pid 18317] <... futex resumed>) = 0 [pid 3610] <... close resumed>) = 0 [pid 18317] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3609] <... ioctl resumed>) = -1 ENXIO (No such device or address) ./strace-static-x86_64: Process 18319 attached [pid 3609] close(3 [pid 3610] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18320 [pid 3609] <... close resumed>) = 0 [pid 3609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18319] set_robust_list(0x55555697d6e0, 24 [pid 3609] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18321 [pid 18319] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 18318 attached ./strace-static-x86_64: Process 18321 attached ./strace-static-x86_64: Process 18320 attached [pid 18319] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 18318] set_robust_list(0x7fe89d1609e0, 24 [pid 18319] setpgid(0, 0 [pid 18318] <... set_robust_list resumed>) = 0 [pid 18319] <... setpgid resumed>) = 0 [pid 18318] mkdir("./file0", 0777 [pid 18316] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18321] set_robust_list(0x55555697d6e0, 24 [pid 18319] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18318] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18316] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18321] <... set_robust_list resumed>) = 0 [pid 18319] <... openat resumed>) = 3 [pid 18318] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18321] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18319] write(3, "1000", 4 [pid 18318] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18316] <... futex resumed>) = 1 [pid 18312] <... futex resumed>) = 0 [pid 18321] <... prctl resumed>) = 0 [pid 18320] set_robust_list(0x55555697d6e0, 24 [pid 18319] <... write resumed>) = 4 [pid 18318] <... futex resumed>) = 1 [pid 18317] <... futex resumed>) = 0 [pid 18316] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18312] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18321] setpgid(0, 0 [pid 18320] <... set_robust_list resumed>) = 0 [pid 18319] close(3 [pid 18318] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18317] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18316] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18312] <... futex resumed>) = 0 [pid 18321] <... setpgid resumed>) = 0 [pid 18320] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18319] <... close resumed>) = 0 [pid 18318] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18317] <... futex resumed>) = 0 [pid 18316] write(4, NULL, 126976 [pid 18312] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18321] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18320] <... prctl resumed>) = 0 [pid 18319] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18318] pipe2( [pid 18317] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18316] <... write resumed>) = -1 EFAULT (Bad address) [pid 18321] <... openat resumed>) = 3 [pid 18320] setpgid(0, 0 [pid 18319] <... futex resumed>) = 0 [pid 18318] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18316] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18321] write(3, "1000", 4 [pid 18320] <... setpgid resumed>) = 0 [pid 18319] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18318] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18316] <... futex resumed>) = 1 [pid 18312] <... futex resumed>) = 0 [pid 18321] <... write resumed>) = 4 [pid 18320] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18319] <... mmap resumed>) = 0x7fe89d140000 [pid 18318] <... futex resumed>) = 1 [pid 18317] <... futex resumed>) = 0 [pid 18316] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18312] exit_group(0 [pid 18321] close(3 [pid 18320] <... openat resumed>) = 3 [pid 18319] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18318] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18317] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18316] <... futex resumed>) = ? [pid 18312] <... exit_group resumed>) = ? [pid 18321] <... close resumed>) = 0 [pid 18320] write(3, "1000", 4 [pid 18319] <... mprotect resumed>) = 0 [pid 18318] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18317] <... futex resumed>) = 0 [pid 18316] +++ exited with 0 +++ [pid 18321] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18320] <... write resumed>) = 4 [pid 18319] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18318] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18317] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18312] +++ exited with 0 +++ [pid 18321] <... futex resumed>) = 0 [pid 18320] close(3 [pid 18321] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18320] <... close resumed>) = 0 [pid 18319] <... clone resumed>, parent_tid=[18322], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18322 [pid 18321] <... mmap resumed>) = 0x7fe89d140000 [pid 18320] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18319] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18321] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18320] <... futex resumed>) = 0 [pid 18319] <... futex resumed>) = 0 [pid 18321] <... mprotect resumed>) = 0 [pid 18320] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18319] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18321] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18320] <... mmap resumed>) = 0x7fe89d140000 ./strace-static-x86_64: Process 18323 attached ./strace-static-x86_64: Process 18322 attached [pid 18320] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18323] set_robust_list(0x7fe89d1609e0, 24 [pid 18322] set_robust_list(0x7fe89d1609e0, 24 [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18312, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18323] <... set_robust_list resumed>) = 0 [pid 18322] <... set_robust_list resumed>) = 0 [pid 3611] restart_syscall(<... resuming interrupted clone ...> [pid 18323] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18322] mkdir("./file0", 0777 [pid 3611] <... restart_syscall resumed>) = 0 [pid 18322] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18322] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18322] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 18322] <... futex resumed>) = 1 [pid 18321] <... clone resumed>, parent_tid=[18323], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18323 [pid 18320] <... mprotect resumed>) = 0 [pid 18319] <... futex resumed>) = 0 [pid 3611] <... openat resumed>) = 3 [pid 18322] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18321] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18320] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18319] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] ioctl(3, LOOP_CLR_FD [pid 18323] <... futex resumed>) = 0 [pid 18322] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18321] <... futex resumed>) = 1 [pid 18319] <... futex resumed>) = 0 [pid 3611] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18323] mkdir("./file0", 0777 [pid 18322] pipe2( [pid 18321] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18320] <... clone resumed>, parent_tid=[18324], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18324 [pid 18319] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3611] close(3./strace-static-x86_64: Process 18324 attached [pid 18323] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18322] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18320] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18318] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3611] <... close resumed>) = 0 [pid 18324] set_robust_list(0x7fe89d1609e0, 24 [pid 18323] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18322] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18320] <... futex resumed>) = 0 [pid 18318] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18324] <... set_robust_list resumed>) = 0 [pid 18323] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18322] <... futex resumed>) = 1 [pid 18320] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18319] <... futex resumed>) = 0 [pid 18318] <... futex resumed>) = 1 [pid 18317] <... futex resumed>) = 0 [pid 18324] mkdir("./file0", 0777 [pid 18319] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18318] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18317] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18324] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18323] <... futex resumed>) = 1 [pid 18322] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18321] <... futex resumed>) = 0 [pid 18319] <... futex resumed>) = 0 [pid 18318] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18317] <... futex resumed>) = 0 [pid 3611] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18325 [pid 18324] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18323] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18318] write(4, NULL, 126976 [pid 18317] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 18325 attached [pid 18324] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18321] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18319] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18318] <... write resumed>) = -1 EFAULT (Bad address) [pid 18325] set_robust_list(0x55555697d6e0, 24 [pid 18324] <... futex resumed>) = 1 [pid 18321] <... futex resumed>) = 0 [pid 18320] <... futex resumed>) = 0 [pid 18318] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18325] <... set_robust_list resumed>) = 0 [pid 18324] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18321] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18320] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18318] <... futex resumed>) = 1 [pid 18317] <... futex resumed>) = 0 [pid 18323] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18325] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18324] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18320] <... futex resumed>) = 0 [pid 18318] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18317] exit_group(0 [pid 18323] pipe2( [pid 18325] <... prctl resumed>) = 0 [pid 18324] pipe2( [pid 18320] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18318] <... futex resumed>) = ? [pid 18317] <... exit_group resumed>) = ? [pid 18325] setpgid(0, 0 [pid 18324] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18318] +++ exited with 0 +++ [pid 18317] +++ exited with 0 +++ [pid 18325] <... setpgid resumed>) = 0 [pid 18324] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18325] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18324] <... futex resumed>) = 1 [pid 18320] <... futex resumed>) = 0 [pid 3612] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18317, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18325] <... openat resumed>) = 3 [pid 18324] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18320] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3612] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 18325] write(3, "1000", 4 [pid 18324] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18320] <... futex resumed>) = 0 [pid 3612] <... openat resumed>) = 3 [pid 18325] <... write resumed>) = 4 [pid 18324] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18320] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3612] ioctl(3, LOOP_CLR_FD [pid 18325] close(3 [pid 18323] <... pipe2 resumed>[3, 4], 0) = 0 [pid 3612] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18325] <... close resumed>) = 0 [pid 18323] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3612] close(3 [pid 18325] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18323] <... futex resumed>) = 1 [pid 18321] <... futex resumed>) = 0 [pid 3612] <... close resumed>) = 0 [pid 18325] <... futex resumed>) = 0 [pid 18323] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18321] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3612] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18325] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18323] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18321] <... futex resumed>) = 0 [pid 18325] <... mmap resumed>) = 0x7fe89d140000 [pid 18323] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18321] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3612] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18326 ./strace-static-x86_64: Process 18326 attached [pid 18325] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18322] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18326] set_robust_list(0x55555697d6e0, 24 [pid 18322] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18325] <... mprotect resumed>) = 0 [pid 18326] <... set_robust_list resumed>) = 0 [pid 18322] <... futex resumed>) = 1 [pid 18319] <... futex resumed>) = 0 [pid 18326] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18325] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18322] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18319] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18326] <... prctl resumed>) = 0 [pid 18322] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18319] <... futex resumed>) = 0 [pid 18326] setpgid(0, 0 [pid 18325] <... clone resumed>, parent_tid=[18327], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18327 [pid 18322] write(4, NULL, 126976 [pid 18319] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18326] <... setpgid resumed>) = 0 [pid 18325] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18322] <... write resumed>) = -1 EFAULT (Bad address) [pid 18326] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18325] <... futex resumed>) = 0 [pid 18322] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18326] <... openat resumed>) = 3 [pid 18325] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18322] <... futex resumed>) = 1 [pid 18319] <... futex resumed>) = 0 [pid 18326] write(3, "1000", 4 [pid 18322] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18319] exit_group(0 [pid 18326] <... write resumed>) = 4 [pid 18322] <... futex resumed>) = ? [pid 18319] <... exit_group resumed>) = ? [pid 18326] close(3 [pid 18322] +++ exited with 0 +++ [pid 18319] +++ exited with 0 +++ [pid 18326] <... close resumed>) = 0 [pid 18326] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 18327 attached ) = 0 [pid 18324] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18327] set_robust_list(0x7fe89d1609e0, 24 [pid 18326] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18324] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18319, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18327] <... set_robust_list resumed>) = 0 [pid 18326] <... mmap resumed>) = 0x7fe89d140000 [pid 18324] <... futex resumed>) = 1 [pid 18323] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18320] <... futex resumed>) = 0 [pid 3613] restart_syscall(<... resuming interrupted clone ...> [pid 18327] mkdir("./file0", 0777 [pid 18326] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18324] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18323] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18320] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3613] <... restart_syscall resumed>) = 0 [pid 18327] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18326] <... mprotect resumed>) = 0 [pid 18324] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18323] <... futex resumed>) = 1 [pid 18321] <... futex resumed>) = 0 [pid 18320] <... futex resumed>) = 0 [pid 18327] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18326] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18324] write(4, NULL, 126976 [pid 18323] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18321] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18320] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18327] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18324] <... write resumed>) = -1 EFAULT (Bad address) [pid 18323] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18321] <... futex resumed>) = 0 [pid 3613] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 18327] <... futex resumed>) = 1 [pid 18326] <... clone resumed>, parent_tid=[18328], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18328 [pid 18325] <... futex resumed>) = 0 [pid 18324] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18323] write(4, NULL, 126976 [pid 18321] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3613] <... openat resumed>) = 3 [pid 18327] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18326] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18325] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18324] <... futex resumed>) = 1 [pid 18323] <... write resumed>) = -1 EFAULT (Bad address) [pid 18320] <... futex resumed>) = 0 [pid 3613] ioctl(3, LOOP_CLR_FD [pid 18327] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18326] <... futex resumed>) = 0 [pid 18325] <... futex resumed>) = 0 [pid 18324] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18323] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18320] exit_group(0 [pid 3613] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18327] pipe2( [pid 18326] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18325] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18324] <... futex resumed>) = ? [pid 18323] <... futex resumed>) = 1 [pid 18321] <... futex resumed>) = 0 [pid 18320] <... exit_group resumed>) = ? [pid 3613] close(3./strace-static-x86_64: Process 18328 attached [pid 18327] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18324] +++ exited with 0 +++ [pid 18323] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18321] exit_group(0 [pid 18320] +++ exited with 0 +++ [pid 3613] <... close resumed>) = 0 [pid 18327] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 18325] <... futex resumed>) = 0 [pid 18327] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18325] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18327] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18325] <... futex resumed>) = 0 [pid 18327] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18325] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18328] set_robust_list(0x7fe89d1609e0, 24 [pid 18323] <... futex resumed>) = ? [pid 18321] <... exit_group resumed>) = ? [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18320, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18328] <... set_robust_list resumed>) = 0 [pid 18323] +++ exited with 0 +++ [pid 18321] +++ exited with 0 +++ [pid 18328] mkdir("./file0", 0777 [pid 3613] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18329 [pid 3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18321, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18328] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3610] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 3609] restart_syscall(<... resuming interrupted clone ...> [pid 18328] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3610] <... openat resumed>) = 3 [pid 3609] <... restart_syscall resumed>) = 0 [pid 18328] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18327] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3610] ioctl(3, LOOP_CLR_FD [pid 18328] <... futex resumed>) = 1 [pid 18327] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18326] <... futex resumed>) = 0 [pid 3610] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18328] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18327] <... futex resumed>) = 1 [pid 18326] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18325] <... futex resumed>) = 0 [pid 3610] close(3 [pid 3609] openat(AT_FDCWD, "/dev/loop0", O_RDWR./strace-static-x86_64: Process 18329 attached [pid 18328] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18327] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18326] <... futex resumed>) = 0 [pid 18325] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3610] <... close resumed>) = 0 [pid 3609] <... openat resumed>) = 3 [pid 18328] pipe2( [pid 18326] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18325] <... futex resumed>) = 0 [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3609] ioctl(3, LOOP_CLR_FD [pid 18328] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18327] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18325] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3609] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18329] set_robust_list(0x55555697d6e0, 24 [pid 18328] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18327] write(4, NULL, 126976 [pid 3610] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18330 [pid 3609] close(3./strace-static-x86_64: Process 18330 attached [pid 18329] <... set_robust_list resumed>) = 0 [pid 18328] <... futex resumed>) = 1 [pid 18327] <... write resumed>) = -1 EFAULT (Bad address) [pid 18326] <... futex resumed>) = 0 [pid 18328] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18327] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18326] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3609] <... close resumed>) = 0 [pid 18328] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18327] <... futex resumed>) = 1 [pid 18326] <... futex resumed>) = 0 [pid 18325] <... futex resumed>) = 0 [pid 3609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18328] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18327] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18326] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18325] exit_group(0 [pid 18329] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18327] <... futex resumed>) = ? [pid 18325] <... exit_group resumed>) = ? [pid 18329] <... prctl resumed>) = 0 [pid 18327] +++ exited with 0 +++ [pid 18325] +++ exited with 0 +++ [pid 18329] setpgid(0, 0 [pid 3609] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18331 [pid 18329] <... setpgid resumed>) = 0 [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18325, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18329] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3611] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 18329] <... openat resumed>) = 3 [pid 3611] <... openat resumed>) = 3 ./strace-static-x86_64: Process 18331 attached [pid 18329] write(3, "1000", 4 [pid 3611] ioctl(3, LOOP_CLR_FD [pid 18331] set_robust_list(0x55555697d6e0, 24 [pid 18329] <... write resumed>) = 4 [pid 3611] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18331] <... set_robust_list resumed>) = 0 [pid 18329] close(3 [pid 3611] close(3 [pid 18331] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18329] <... close resumed>) = 0 [pid 3611] <... close resumed>) = 0 [pid 18331] <... prctl resumed>) = 0 [pid 18329] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18331] setpgid(0, 0 [pid 18329] <... futex resumed>) = 0 [pid 18331] <... setpgid resumed>) = 0 [pid 18329] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3611] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18332 [pid 18331] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18329] <... mmap resumed>) = 0x7fe89d140000 [pid 18331] <... openat resumed>) = 3 [pid 18329] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18331] write(3, "1000", 4 [pid 18329] <... mprotect resumed>) = 0 [pid 18331] <... write resumed>) = 4 [pid 18329] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18331] close(3) = 0 [pid 18329] <... clone resumed>, parent_tid=[18333], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18333 [pid 18331] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18329] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18331] <... futex resumed>) = 0 [pid 18329] <... futex resumed>) = 0 [pid 18331] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18330] set_robust_list(0x55555697d6e0, 24 [pid 18329] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18331] <... mmap resumed>) = 0x7fe89d140000 [pid 18330] <... set_robust_list resumed>) = 0 [pid 18331] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE) = 0 ./strace-static-x86_64: Process 18333 attached [pid 18331] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18330] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 18332 attached [pid 18333] set_robust_list(0x7fe89d1609e0, 24 [pid 18330] <... prctl resumed>) = 0 [pid 18333] <... set_robust_list resumed>) = 0 [pid 18332] set_robust_list(0x55555697d6e0, 24 [pid 18331] <... clone resumed>, parent_tid=[18334], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18334 [pid 18330] setpgid(0, 0 [pid 18333] mkdir("./file0", 0777 [pid 18332] <... set_robust_list resumed>) = 0 [pid 18331] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18333] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18332] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18331] <... futex resumed>) = 0 [pid 18333] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18332] <... prctl resumed>) = 0 [pid 18331] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18330] <... setpgid resumed>) = 0 [pid 18328] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18333] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18332] setpgid(0, 0 [pid 18328] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 18334 attached [pid 18333] <... futex resumed>) = 1 [pid 18332] <... setpgid resumed>) = 0 [pid 18330] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18329] <... futex resumed>) = 0 [pid 18334] set_robust_list(0x7fe89d1609e0, 24 [pid 18333] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18332] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18329] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18328] <... futex resumed>) = 1 [pid 18326] <... futex resumed>) = 0 [pid 18334] <... set_robust_list resumed>) = 0 [pid 18333] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18332] <... openat resumed>) = 3 [pid 18330] <... openat resumed>) = 3 [pid 18329] <... futex resumed>) = 0 [pid 18328] write(4, NULL, 126976 [pid 18326] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18334] mkdir("./file0", 0777 [pid 18333] pipe2( [pid 18332] write(3, "1000", 4 [pid 18330] write(3, "1000", 4 [pid 18329] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18328] <... write resumed>) = -1 EFAULT (Bad address) [pid 18326] <... futex resumed>) = 0 [pid 18334] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18333] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18332] <... write resumed>) = 4 [pid 18330] <... write resumed>) = 4 [pid 18326] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18334] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18333] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18332] close(3 [pid 18330] close(3 [pid 18328] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18326] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18334] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18333] <... futex resumed>) = 1 [pid 18332] <... close resumed>) = 0 [pid 18330] <... close resumed>) = 0 [pid 18329] <... futex resumed>) = 0 [pid 18326] exit_group(0 [pid 18328] <... futex resumed>) = 230 [pid 18334] <... futex resumed>) = 1 [pid 18333] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18332] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18331] <... futex resumed>) = 0 [pid 18330] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18329] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18328] +++ exited with 0 +++ [pid 18326] <... exit_group resumed>) = ? [pid 18334] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18333] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18332] <... futex resumed>) = 0 [pid 18331] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18330] <... futex resumed>) = 0 [pid 18329] <... futex resumed>) = 0 [pid 18334] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18333] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18332] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18331] <... futex resumed>) = 0 [pid 18329] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18334] pipe2( [pid 18332] <... mmap resumed>) = 0x7fe89d140000 [pid 18331] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18330] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18326] +++ exited with 0 +++ [pid 18334] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18332] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18330] <... mmap resumed>) = 0x7fe89d140000 [pid 18334] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18332] <... mprotect resumed>) = 0 [pid 18330] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 3612] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18326, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 18334] <... futex resumed>) = 1 [pid 18332] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18331] <... futex resumed>) = 0 [pid 18330] <... mprotect resumed>) = 0 [pid 18330] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[18335], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18335 [pid 18330] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 18330] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18334] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18331] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3612] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 18332] <... clone resumed>, parent_tid=[18336], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18336 [pid 18331] <... futex resumed>) = 0 [pid 3612] <... openat resumed>) = 3 [pid 18332] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18331] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3612] ioctl(3, LOOP_CLR_FD [pid 18332] <... futex resumed>) = 0 [pid 3612] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18332] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 3612] close(3) = 0 [pid 3612] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18335 attached [pid 18335] set_robust_list(0x7fe89d1609e0, 24 [pid 3612] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18337 [pid 18335] <... set_robust_list resumed>) = 0 [pid 18335] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 18335] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18333] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18335] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18334] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18333] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 18337 attached [pid 18335] <... futex resumed>) = 1 [pid 18334] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18333] <... futex resumed>) = 1 [pid 18330] <... futex resumed>) = 0 [pid 18329] <... futex resumed>) = 0 [pid 18337] set_robust_list(0x55555697d6e0, 24 [pid 18335] pipe2( [pid 18330] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18329] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18333] write(4, NULL, 126976 [pid 18331] <... futex resumed>) = 0 [pid 18334] <... futex resumed>) = 1 ./strace-static-x86_64: Process 18336 attached [pid 18337] <... set_robust_list resumed>) = 0 [pid 18335] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18333] <... write resumed>) = -1 EFAULT (Bad address) [pid 18330] <... futex resumed>) = 0 [pid 18329] <... futex resumed>) = 0 [pid 18331] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18334] write(4, NULL, 126976 [pid 18337] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18336] set_robust_list(0x7fe89d1609e0, 24 [pid 18335] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18333] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18331] <... futex resumed>) = 0 [pid 18330] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18329] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18337] <... prctl resumed>) = 0 [pid 18335] <... futex resumed>) = 0 [pid 18334] <... write resumed>) = -1 EFAULT (Bad address) [pid 18330] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18331] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18329] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18337] setpgid(0, 0 [pid 18336] <... set_robust_list resumed>) = 0 [pid 18335] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18334] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18333] <... futex resumed>) = 0 [pid 18331] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18330] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18329] exit_group(0 [pid 18337] <... setpgid resumed>) = 0 [pid 18336] mkdir("./file0", 0777 [pid 18335] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18334] <... futex resumed>) = 0 [pid 18331] exit_group(0 [pid 18330] <... futex resumed>) = 0 [pid 18329] <... exit_group resumed>) = ? [pid 18337] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18336] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18335] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18333] +++ exited with 0 +++ [pid 18331] <... exit_group resumed>) = ? [pid 18330] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18337] <... openat resumed>) = 3 [pid 18336] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18334] +++ exited with 0 +++ [pid 18331] +++ exited with 0 +++ [pid 18329] +++ exited with 0 +++ [pid 18337] write(3, "1000", 4 [pid 18336] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18329, si_uid=0, si_status=0, si_utime=1, si_stime=1} --- [pid 18337] <... write resumed>) = 4 [pid 18336] <... futex resumed>) = 1 [pid 18332] <... futex resumed>) = 0 [pid 18336] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18332] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18336] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18332] <... futex resumed>) = 0 [pid 18336] pipe2( [pid 18332] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18336] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18336] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 18332] <... futex resumed>) = 0 [pid 18336] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18332] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18336] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18332] <... futex resumed>) = 0 [pid 18336] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18332] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18337] close(3 [pid 3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18331, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18337] <... close resumed>) = 0 [pid 3613] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 3609] restart_syscall(<... resuming interrupted clone ...> [pid 18337] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3613] <... openat resumed>) = 3 [pid 3609] <... restart_syscall resumed>) = 0 [pid 18337] <... futex resumed>) = 0 [pid 3613] ioctl(3, LOOP_CLR_FD [pid 18337] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3613] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18337] <... mmap resumed>) = 0x7fe89d140000 [pid 3613] close(3 [pid 3609] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 18337] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 3613] <... close resumed>) = 0 [pid 3609] <... openat resumed>) = 3 [pid 18337] <... mprotect resumed>) = 0 [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3609] ioctl(3, LOOP_CLR_FD [pid 18337] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3609] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3609] close(3 [pid 18337] <... clone resumed>, parent_tid=[18338], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18338 [pid 3613] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18339 [pid 3609] <... close resumed>) = 0 [pid 18337] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18337] <... futex resumed>) = 0 [pid 18337] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 3609] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18340 ./strace-static-x86_64: Process 18339 attached [pid 18339] set_robust_list(0x55555697d6e0, 24) = 0 [pid 18339] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 18339] setpgid(0, 0) = 0 [pid 18339] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 18339] write(3, "1000", 4) = 4 [pid 18339] close(3) = 0 [pid 18339] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 18339] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe89d140000 [pid 18339] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 18339] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18335] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18335] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18339] <... clone resumed>, parent_tid=[18341], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18341 [pid 18335] <... futex resumed>) = 1 [pid 18330] <... futex resumed>) = 0 [pid 18339] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18335] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18330] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18339] <... futex resumed>) = 0 [pid 18335] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18330] <... futex resumed>) = 0 ./strace-static-x86_64: Process 18340 attached [pid 18339] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18335] write(4, NULL, 126976 [pid 18330] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 18338 attached [pid 18336] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18340] set_robust_list(0x55555697d6e0, 24 [pid 18335] <... write resumed>) = -1 EFAULT (Bad address) ./strace-static-x86_64: Process 18341 attached [pid 18340] <... set_robust_list resumed>) = 0 [pid 18338] set_robust_list(0x7fe89d1609e0, 24 [pid 18336] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18335] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18341] set_robust_list(0x7fe89d1609e0, 24 [pid 18336] <... futex resumed>) = 1 [pid 18332] <... futex resumed>) = 0 [pid 18340] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18338] <... set_robust_list resumed>) = 0 [pid 18335] <... futex resumed>) = 1 [pid 18330] <... futex resumed>) = 0 [pid 18341] <... set_robust_list resumed>) = 0 [pid 18340] <... prctl resumed>) = 0 [pid 18338] mkdir("./file0", 0777 [pid 18336] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18335] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18332] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18330] exit_group(0 [pid 18341] mkdir("./file0", 0777 [pid 18340] setpgid(0, 0 [pid 18338] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18336] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18335] <... futex resumed>) = ? [pid 18332] <... futex resumed>) = 0 [pid 18330] <... exit_group resumed>) = ? [pid 18341] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18340] <... setpgid resumed>) = 0 [pid 18338] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18336] write(4, NULL, 126976 [pid 18335] +++ exited with 0 +++ [pid 18332] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18330] +++ exited with 0 +++ [pid 18341] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18340] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18338] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18336] <... write resumed>) = -1 EFAULT (Bad address) [pid 18341] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18340] <... openat resumed>) = 3 [pid 18338] <... futex resumed>) = 1 [pid 18337] <... futex resumed>) = 0 [pid 18336] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18330, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 18341] <... futex resumed>) = 1 [pid 18340] write(3, "1000", 4 [pid 18339] <... futex resumed>) = 0 [pid 18338] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18337] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18336] <... futex resumed>) = 1 [pid 18332] <... futex resumed>) = 0 [pid 3610] restart_syscall(<... resuming interrupted clone ...> [pid 18341] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18340] <... write resumed>) = 4 [pid 18339] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18338] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18337] <... futex resumed>) = 0 [pid 18336] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18332] exit_group(0 [pid 3610] <... restart_syscall resumed>) = 0 [pid 18341] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18340] close(3 [pid 18339] <... futex resumed>) = 0 [pid 18338] pipe2( [pid 18337] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18336] <... futex resumed>) = ? [pid 18332] <... exit_group resumed>) = ? [pid 18341] pipe2( [pid 18340] <... close resumed>) = 0 [pid 18339] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18338] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18341] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18340] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18338] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18336] +++ exited with 0 +++ [pid 18332] +++ exited with 0 +++ [pid 3610] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 18341] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18340] <... futex resumed>) = 0 [pid 18338] <... futex resumed>) = 1 [pid 18337] <... futex resumed>) = 0 [pid 3610] <... openat resumed>) = 3 [pid 18341] <... futex resumed>) = 1 [pid 18340] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18339] <... futex resumed>) = 0 [pid 18338] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18337] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18332, si_uid=0, si_status=0, si_utime=2, si_stime=1} --- [pid 3610] ioctl(3, LOOP_CLR_FD [pid 18341] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18340] <... mmap resumed>) = 0x7fe89d140000 [pid 18339] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18338] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18337] <... futex resumed>) = 0 [pid 3610] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18341] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18340] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18339] <... futex resumed>) = 0 [pid 18337] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18338] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 3611] restart_syscall(<... resuming interrupted clone ...> [pid 3610] close(3 [pid 18341] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18340] <... mprotect resumed>) = 0 [pid 18339] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3611] <... restart_syscall resumed>) = 0 [pid 3610] <... close resumed>) = 0 [pid 18340] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18343 attached ./strace-static-x86_64: Process 18342 attached [pid 18343] set_robust_list(0x55555697d6e0, 24 [pid 18342] set_robust_list(0x7fe89d1609e0, 24 [pid 18340] <... clone resumed>, parent_tid=[18342], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18342 [pid 3611] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 3610] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18343 [pid 18343] <... set_robust_list resumed>) = 0 [pid 18342] <... set_robust_list resumed>) = 0 [pid 18340] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] <... openat resumed>) = 3 [pid 18343] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18342] mkdir("./file0", 0777 [pid 18340] <... futex resumed>) = 0 [pid 3611] ioctl(3, LOOP_CLR_FD [pid 18343] <... prctl resumed>) = 0 [pid 18342] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18340] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 3611] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18343] setpgid(0, 0 [pid 18342] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3611] close(3 [pid 18343] <... setpgid resumed>) = 0 [pid 18342] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18341] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3611] <... close resumed>) = 0 [pid 18343] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18342] <... futex resumed>) = 1 [pid 18340] <... futex resumed>) = 0 [pid 18341] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18338] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18343] <... openat resumed>) = 3 [pid 18342] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18341] <... futex resumed>) = 1 [pid 18340] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18339] <... futex resumed>) = 0 [pid 18338] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 18344 attached [pid 18343] write(3, "1000", 4 [pid 18342] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18341] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18340] <... futex resumed>) = 0 [pid 18339] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18338] <... futex resumed>) = 1 [pid 18337] <... futex resumed>) = 0 [pid 18344] set_robust_list(0x55555697d6e0, 24 [pid 18343] <... write resumed>) = 4 [pid 18342] pipe2( [pid 18341] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18340] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18339] <... futex resumed>) = 0 [pid 18338] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18337] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18344 [pid 18344] <... set_robust_list resumed>) = 0 [pid 18343] close(3 [pid 18342] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18341] write(4, NULL, 126976 [pid 18339] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18338] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18337] <... futex resumed>) = 0 [pid 18344] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18343] <... close resumed>) = 0 [pid 18342] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18341] <... write resumed>) = -1 EFAULT (Bad address) [pid 18338] write(4, NULL, 126976 [pid 18337] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18344] <... prctl resumed>) = 0 [pid 18343] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18342] <... futex resumed>) = 1 [pid 18341] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18340] <... futex resumed>) = 0 [pid 18338] <... write resumed>) = -1 EFAULT (Bad address) [pid 18344] setpgid(0, 0 [pid 18343] <... futex resumed>) = 0 [pid 18342] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18341] <... futex resumed>) = 1 [pid 18340] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18339] <... futex resumed>) = 0 [pid 18338] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18344] <... setpgid resumed>) = 0 [pid 18343] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18342] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18341] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18340] <... futex resumed>) = 0 [pid 18339] exit_group(0 [pid 18338] <... futex resumed>) = 1 [pid 18337] <... futex resumed>) = 0 [pid 18344] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18343] <... mmap resumed>) = 0x7fe89d140000 [pid 18342] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18341] <... futex resumed>) = ? [pid 18340] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18339] <... exit_group resumed>) = ? [pid 18338] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18337] exit_group(0 [pid 18344] <... openat resumed>) = 3 [pid 18343] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18341] +++ exited with 0 +++ [pid 18339] +++ exited with 0 +++ [pid 18338] <... futex resumed>) = ? [pid 18337] <... exit_group resumed>) = ? [pid 18338] +++ exited with 0 +++ [pid 18337] +++ exited with 0 +++ [pid 18344] write(3, "1000", 4 [pid 18343] <... mprotect resumed>) = 0 [pid 3612] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18337, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 18344] <... write resumed>) = 4 [pid 18343] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18339, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18344] close(3 [pid 3613] restart_syscall(<... resuming interrupted clone ...> [pid 18344] <... close resumed>) = 0 [pid 18343] <... clone resumed>, parent_tid=[18345], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18345 [pid 3613] <... restart_syscall resumed>) = 0 [pid 18344] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18343] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18344] <... futex resumed>) = 0 [pid 18343] <... futex resumed>) = 0 [pid 18344] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18343] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 3613] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 18344] <... mmap resumed>) = 0x7fe89d140000 [pid 3613] <... openat resumed>) = 3 [pid 3612] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 18344] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 3613] ioctl(3, LOOP_CLR_FD [pid 3612] <... openat resumed>) = 3 [pid 18344] <... mprotect resumed>) = 0 [pid 3613] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3612] ioctl(3, LOOP_CLR_FD [pid 18344] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3613] close(3 [pid 3612] <... ioctl resumed>) = -1 ENXIO (No such device or address) ./strace-static-x86_64: Process 18346 attached ./strace-static-x86_64: Process 18345 attached [pid 18342] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3613] <... close resumed>) = 0 [pid 3612] close(3 [pid 18344] <... clone resumed>, parent_tid=[18346], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18346 [pid 18342] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3612] <... close resumed>) = 0 [pid 18344] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18342] <... futex resumed>) = 1 [pid 18340] <... futex resumed>) = 0 [pid 18342] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18340] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18344] <... futex resumed>) = 0 [pid 18346] set_robust_list(0x7fe89d1609e0, 24 [pid 18342] <... futex resumed>) = 0 [pid 18340] <... futex resumed>) = 1 [pid 18344] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 3613] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18347 [pid 3612] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18346] <... set_robust_list resumed>) = 0 [pid 18342] write(4, NULL, 126976 [pid 18340] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18346] mkdir("./file0", 0777 [pid 18342] <... write resumed>) = -1 EFAULT (Bad address) [pid 18346] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18342] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3612] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18348 [pid 18346] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18345] set_robust_list(0x7fe89d1609e0, 24 [pid 18342] <... futex resumed>) = 1 [pid 18340] <... futex resumed>) = 0 ./strace-static-x86_64: Process 18347 attached [pid 18346] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18345] <... set_robust_list resumed>) = 0 [pid 18342] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18340] exit_group(0 [pid 18347] set_robust_list(0x55555697d6e0, 24 [pid 18346] <... futex resumed>) = 1 [pid 18345] mkdir("./file0", 0777 [pid 18344] <... futex resumed>) = 0 [pid 18342] <... futex resumed>) = ? [pid 18340] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 18348 attached [pid 18347] <... set_robust_list resumed>) = 0 [pid 18346] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18345] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18344] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18342] +++ exited with 0 +++ [pid 18348] set_robust_list(0x55555697d6e0, 24 [pid 18346] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18344] <... futex resumed>) = 0 [pid 18348] <... set_robust_list resumed>) = 0 [pid 18346] pipe2( [pid 18348] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18346] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18344] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18340] +++ exited with 0 +++ [pid 18348] <... prctl resumed>) = 0 [pid 18347] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18346] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18345] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18344] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18340, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 18348] setpgid(0, 0 [pid 18347] <... prctl resumed>) = 0 [pid 18346] <... futex resumed>) = 0 [pid 18345] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18344] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3609] restart_syscall(<... resuming interrupted clone ...> [pid 18348] <... setpgid resumed>) = 0 [pid 18347] setpgid(0, 0 [pid 18346] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18345] <... futex resumed>) = 1 [pid 18344] <... futex resumed>) = 0 [pid 18343] <... futex resumed>) = 0 [pid 3609] <... restart_syscall resumed>) = 0 [pid 18348] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18347] <... setpgid resumed>) = 0 [pid 18345] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18344] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18343] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18348] <... openat resumed>) = 3 [pid 18347] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18345] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18343] <... futex resumed>) = 0 [pid 18348] write(3, "1000", 4 [pid 18347] <... openat resumed>) = 3 [pid 18345] pipe2( [pid 18343] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18348] <... write resumed>) = 4 [pid 18347] write(3, "1000", 4 [pid 18345] <... pipe2 resumed>[3, 4], 0) = 0 [pid 3609] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 18348] close(3 [pid 18347] <... write resumed>) = 4 [pid 18345] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3609] <... openat resumed>) = 3 [pid 18348] <... close resumed>) = 0 [pid 18347] close(3 [pid 18345] <... futex resumed>) = 1 [pid 18343] <... futex resumed>) = 0 [pid 3609] ioctl(3, LOOP_CLR_FD [pid 18348] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18347] <... close resumed>) = 0 [pid 18345] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18343] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3609] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18348] <... futex resumed>) = 0 [pid 18347] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18346] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18345] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18343] <... futex resumed>) = 0 [pid 3609] close(3 [pid 18348] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18347] <... futex resumed>) = 0 [pid 18345] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18343] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3609] <... close resumed>) = 0 [pid 18348] <... mmap resumed>) = 0x7fe89d140000 [pid 18347] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18346] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18348] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18347] <... mmap resumed>) = 0x7fe89d140000 [pid 18348] <... mprotect resumed>) = 0 [pid 3609] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18349 [pid 18348] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18347] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 18348] <... clone resumed>, parent_tid=[18350], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18350 [pid 18348] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18347] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18348] <... futex resumed>) = 0 [pid 18348] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18347] <... clone resumed>, parent_tid=[18351], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18351 [pid 18347] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 18347] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000}./strace-static-x86_64: Process 18351 attached [pid 18351] set_robust_list(0x7fe89d1609e0, 24./strace-static-x86_64: Process 18350 attached ) = 0 [pid 18350] set_robust_list(0x7fe89d1609e0, 24./strace-static-x86_64: Process 18349 attached [pid 18351] mkdir("./file0", 0777 [pid 18350] <... set_robust_list resumed>) = 0 [pid 18351] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18350] mkdir("./file0", 0777 [pid 18349] set_robust_list(0x55555697d6e0, 24 [pid 18351] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18350] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18349] <... set_robust_list resumed>) = 0 [pid 18351] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18350] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18349] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18351] <... futex resumed>) = 1 [pid 18350] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18349] <... prctl resumed>) = 0 [pid 18351] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18350] <... futex resumed>) = 1 [pid 18349] setpgid(0, 0 [pid 18348] <... futex resumed>) = 0 [pid 18350] pipe2( [pid 18349] <... setpgid resumed>) = 0 [pid 18348] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18350] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18349] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18348] <... futex resumed>) = 0 [pid 18350] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18349] <... openat resumed>) = 3 [pid 18348] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18350] <... futex resumed>) = 0 [pid 18349] write(3, "1000", 4 [pid 18348] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18350] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18349] <... write resumed>) = 4 [pid 18348] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18350] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18349] close(3 [pid 18348] <... futex resumed>) = 0 [pid 18350] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18349] <... close resumed>) = 0 [pid 18348] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18347] <... futex resumed>) = 0 [pid 18346] <... futex resumed>) = 1 [pid 18344] <... futex resumed>) = 0 [pid 18349] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18347] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18346] write(4, NULL, 126976 [pid 18344] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18351] <... futex resumed>) = 0 [pid 18349] <... futex resumed>) = 0 [pid 18347] <... futex resumed>) = 1 [pid 18346] <... write resumed>) = -1 EFAULT (Bad address) [pid 18344] <... futex resumed>) = 0 [pid 18351] pipe2( [pid 18349] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18347] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18346] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18344] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18351] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18349] <... mmap resumed>) = 0x7fe89d140000 [pid 18344] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18351] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18349] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18344] exit_group(0 [pid 18346] <... futex resumed>) = ? [pid 18351] <... futex resumed>) = 1 [pid 18349] <... mprotect resumed>) = 0 [pid 18347] <... futex resumed>) = 0 [pid 18345] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18344] <... exit_group resumed>) = ? [pid 18351] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18349] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18347] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18346] +++ exited with 0 +++ [pid 18345] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18351] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18351] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18349] <... clone resumed>, parent_tid=[18352], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18352 [pid 18344] +++ exited with 0 +++ [pid 18347] <... futex resumed>) = 0 [pid 18345] <... futex resumed>) = 1 [pid 18343] <... futex resumed>) = 0 ./strace-static-x86_64: Process 18352 attached [pid 18349] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18347] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18349] <... futex resumed>) = 0 [pid 18349] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18352] set_robust_list(0x7fe89d1609e0, 24 [pid 18345] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18343] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18344, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 18352] <... set_robust_list resumed>) = 0 [pid 18345] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18343] <... futex resumed>) = 0 [pid 3611] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 18352] mkdir("./file0", 0777 [pid 18350] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18345] write(4, NULL, 126976 [pid 18343] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3611] <... openat resumed>) = 3 [pid 18352] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18345] <... write resumed>) = -1 EFAULT (Bad address) [pid 3611] ioctl(3, LOOP_CLR_FD [pid 18352] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18350] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18345] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18352] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18350] <... futex resumed>) = 1 [pid 18348] <... futex resumed>) = 0 [pid 18345] <... futex resumed>) = 1 [pid 18343] <... futex resumed>) = 0 [pid 3611] close(3 [pid 18352] <... futex resumed>) = 1 [pid 18350] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18349] <... futex resumed>) = 0 [pid 18348] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18345] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18343] exit_group(0 [pid 3611] <... close resumed>) = 0 [pid 18352] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18349] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18348] <... futex resumed>) = 0 [pid 18345] <... futex resumed>) = ? [pid 18343] <... exit_group resumed>) = ? [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18352] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18351] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18350] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18349] <... futex resumed>) = 0 [pid 18348] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18345] +++ exited with 0 +++ [pid 18343] +++ exited with 0 +++ ./strace-static-x86_64: Process 18353 attached [pid 18352] pipe2( [pid 18351] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18350] write(4, NULL, 126976 [pid 18349] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3611] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18353 [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18343, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18353] set_robust_list(0x55555697d6e0, 24 [pid 18352] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18351] <... futex resumed>) = 1 [pid 18350] <... write resumed>) = -1 EFAULT (Bad address) [pid 18347] <... futex resumed>) = 0 [pid 18353] <... set_robust_list resumed>) = 0 [pid 18352] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18351] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18350] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18347] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18352] <... futex resumed>) = 1 [pid 18351] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18350] <... futex resumed>) = 1 [pid 18349] <... futex resumed>) = 0 [pid 18348] <... futex resumed>) = 0 [pid 18347] <... futex resumed>) = 0 [pid 18353] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18352] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18351] write(4, NULL, 126976 [pid 18350] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18349] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18348] exit_group(0 [pid 18347] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18353] <... prctl resumed>) = 0 [pid 18352] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18351] <... write resumed>) = -1 EFAULT (Bad address) [pid 18350] <... futex resumed>) = ? [pid 18349] <... futex resumed>) = 0 [pid 18348] <... exit_group resumed>) = ? [pid 18353] setpgid(0, 0 [pid 18352] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18351] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18350] +++ exited with 0 +++ [pid 18349] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18353] <... setpgid resumed>) = 0 [pid 18351] <... futex resumed>) = 1 [pid 18348] +++ exited with 0 +++ [pid 18347] <... futex resumed>) = 0 [pid 18353] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18351] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18347] exit_group(0 [pid 3612] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18348, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3610] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 18353] <... openat resumed>) = 3 [pid 18351] <... futex resumed>) = ? [pid 18347] <... exit_group resumed>) = ? [pid 3612] restart_syscall(<... resuming interrupted clone ...> [pid 3610] <... openat resumed>) = 3 [pid 18353] write(3, "1000", 4 [pid 18351] +++ exited with 0 +++ [pid 3612] <... restart_syscall resumed>) = 0 [pid 3610] ioctl(3, LOOP_CLR_FD [pid 18353] <... write resumed>) = 4 [pid 18347] +++ exited with 0 +++ [pid 3610] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18353] close(3 [pid 3610] close(3 [pid 18353] <... close resumed>) = 0 [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18347, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3612] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3610] <... close resumed>) = 0 [pid 18353] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3613] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18353] <... futex resumed>) = 0 [pid 3613] <... openat resumed>) = 3 [pid 3612] <... openat resumed>) = 3 [pid 18353] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3613] ioctl(3, LOOP_CLR_FD [pid 3612] ioctl(3, LOOP_CLR_FD [pid 3610] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18354 [pid 18353] <... mmap resumed>) = 0x7fe89d140000 [pid 18352] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3613] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3612] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18353] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18352] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3613] close(3 [pid 3612] close(3./strace-static-x86_64: Process 18354 attached [pid 18353] <... mprotect resumed>) = 0 [pid 18352] <... futex resumed>) = 1 [pid 18349] <... futex resumed>) = 0 [pid 3613] <... close resumed>) = 0 [pid 3612] <... close resumed>) = 0 [pid 18352] write(4, NULL, 126976 [pid 18349] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3612] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18352] <... write resumed>) = -1 EFAULT (Bad address) [pid 18349] <... futex resumed>) = 0 [pid 18352] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18349] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3613] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18355 [pid 3612] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18356 [pid 18354] set_robust_list(0x55555697d6e0, 24 [pid 18352] <... futex resumed>) = 0 [pid 18349] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18354] <... set_robust_list resumed>) = 0 [pid 18352] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18349] exit_group(0 [pid 18354] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18352] <... futex resumed>) = ? [pid 18349] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 18356 attached ./strace-static-x86_64: Process 18355 attached [pid 18354] <... prctl resumed>) = 0 [pid 18353] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18352] +++ exited with 0 +++ [pid 18349] +++ exited with 0 +++ [pid 18356] set_robust_list(0x55555697d6e0, 24 [pid 18355] set_robust_list(0x55555697d6e0, 24 [pid 18356] <... set_robust_list resumed>) = 0 [pid 18355] <... set_robust_list resumed>) = 0 [pid 18353] <... clone resumed>, parent_tid=[18357], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18357 [pid 18356] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18355] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18353] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18349, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18356] <... prctl resumed>) = 0 [pid 18355] <... prctl resumed>) = 0 [pid 18353] <... futex resumed>) = 0 [pid 18356] setpgid(0, 0 [pid 18355] setpgid(0, 0 [pid 18353] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18356] <... setpgid resumed>) = 0 [pid 18355] <... setpgid resumed>) = 0 [pid 18356] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18355] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3609] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 18356] <... openat resumed>) = 3 [pid 18355] <... openat resumed>) = 3 [pid 18356] write(3, "1000", 4 [pid 18355] write(3, "1000", 4 [pid 18354] setpgid(0, 0 [pid 3609] <... openat resumed>) = 3 [pid 18356] <... write resumed>) = 4 [pid 18355] <... write resumed>) = 4 [pid 18354] <... setpgid resumed>) = 0 [pid 3609] ioctl(3, LOOP_CLR_FD [pid 18356] close(3 [pid 18355] close(3 [pid 3609] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18356] <... close resumed>) = 0 [pid 18355] <... close resumed>) = 0 [pid 18354] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3609] close(3 [pid 18356] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18355] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 18357 attached [pid 18354] <... openat resumed>) = 3 [pid 3609] <... close resumed>) = 0 [pid 18357] set_robust_list(0x7fe89d1609e0, 24 [pid 18354] write(3, "1000", 4 [pid 3609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18357] <... set_robust_list resumed>) = 0 [pid 18354] <... write resumed>) = 4 [pid 18357] mkdir("./file0", 0777 [pid 18354] close(3 [pid 3609] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18358 [pid 18357] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18354] <... close resumed>) = 0 ./strace-static-x86_64: Process 18358 attached [pid 18357] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18356] <... futex resumed>) = 0 [pid 18355] <... futex resumed>) = 0 [pid 18354] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18358] set_robust_list(0x55555697d6e0, 24 [pid 18357] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18356] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18355] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18354] <... futex resumed>) = 0 [pid 18358] <... set_robust_list resumed>) = 0 [pid 18357] <... futex resumed>) = 1 [pid 18356] <... mmap resumed>) = 0x7fe89d140000 [pid 18355] <... mmap resumed>) = 0x7fe89d140000 [pid 18354] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18353] <... futex resumed>) = 0 [pid 18358] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18357] pipe2( [pid 18356] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18355] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18354] <... mmap resumed>) = 0x7fe89d140000 [pid 18353] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18358] <... prctl resumed>) = 0 [pid 18356] <... mprotect resumed>) = 0 [pid 18355] <... mprotect resumed>) = 0 [pid 18354] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18353] <... futex resumed>) = 0 [pid 18357] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18358] setpgid(0, 0 [pid 18356] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18355] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18354] <... mprotect resumed>) = 0 [pid 18353] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18357] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18358] <... setpgid resumed>) = 0 [pid 18357] <... futex resumed>) = 0 [pid 18354] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18353] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18358] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18356] <... clone resumed>, parent_tid=[18359], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18359 [pid 18355] <... clone resumed>, parent_tid=[18360], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18360 [pid 18353] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18358] <... openat resumed>) = 3 [pid 18357] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18356] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18355] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18354] <... clone resumed>, parent_tid=[18361], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18361 [pid 18353] <... futex resumed>) = 0 [pid 18358] write(3, "1000", 4 [pid 18356] <... futex resumed>) = 0 [pid 18355] <... futex resumed>) = 0 [pid 18354] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18353] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18358] <... write resumed>) = 4 [pid 18356] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18355] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18354] <... futex resumed>) = 0 [pid 18358] close(3 [pid 18354] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18358] <... close resumed>) = 0 ./strace-static-x86_64: Process 18360 attached [pid 18358] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18360] set_robust_list(0x7fe89d1609e0, 24 [pid 18358] <... futex resumed>) = 0 [pid 18360] <... set_robust_list resumed>) = 0 [pid 18358] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18360] mkdir("./file0", 0777 [pid 18358] <... mmap resumed>) = 0x7fe89d140000 [pid 18360] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18358] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18360] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18358] <... mprotect resumed>) = 0 [pid 18360] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18358] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18360] <... futex resumed>) = 1 [pid 18355] <... futex resumed>) = 0 [pid 18360] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18358] <... clone resumed>, parent_tid=[18362], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18362 [pid 18355] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18360] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18358] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18355] <... futex resumed>) = 0 [pid 18360] pipe2( [pid 18358] <... futex resumed>) = 0 [pid 18355] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18360] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18358] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18360] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 18362 attached ) = 1 [pid 18355] <... futex resumed>) = 0 [pid 18362] set_robust_list(0x7fe89d1609e0, 24 [pid 18360] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18355] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18362] <... set_robust_list resumed>) = 0 [pid 18360] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18355] <... futex resumed>) = 0 [pid 18362] mkdir("./file0", 0777 [pid 18360] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18355] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18362] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18362] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18362] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 18358] <... futex resumed>) = 0 [pid 18362] pipe2( [pid 18358] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18362] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18358] <... futex resumed>) = 0 [pid 18362] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18358] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18362] <... futex resumed>) = 0 [pid 18358] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18362] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18358] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 18358] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 18359 attached [pid 18359] set_robust_list(0x7fe89d1609e0, 24) = 0 ./strace-static-x86_64: Process 18361 attached [pid 18359] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 18359] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18361] set_robust_list(0x7fe89d1609e0, 24) = 0 [pid 18361] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 18359] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18356] <... futex resumed>) = 0 [pid 18356] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 18361] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18356] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18359] <... futex resumed>) = 1 [pid 18361] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18354] <... futex resumed>) = 0 [pid 18361] <... futex resumed>) = 1 [pid 18361] pipe2( [pid 18359] pipe2( [pid 18354] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 18354] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18361] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18359] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18361] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18359] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 18356] <... futex resumed>) = 0 [pid 18359] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18356] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18359] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18356] <... futex resumed>) = 0 [pid 18361] <... futex resumed>) = 1 [pid 18359] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18356] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18354] <... futex resumed>) = 0 [pid 18361] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18357] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18354] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18361] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18357] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18354] <... futex resumed>) = 0 [pid 18361] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18357] <... futex resumed>) = 1 [pid 18354] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18353] <... futex resumed>) = 0 [pid 18357] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18353] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18360] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18357] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18353] <... futex resumed>) = 0 [pid 18360] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18357] write(4, NULL, 126976 [pid 18353] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18362] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18357] <... write resumed>) = -1 EFAULT (Bad address) [pid 18362] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18360] <... futex resumed>) = 1 [pid 18357] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18355] <... futex resumed>) = 0 [pid 18362] <... futex resumed>) = 1 [pid 18360] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18358] <... futex resumed>) = 0 [pid 18357] <... futex resumed>) = 1 [pid 18355] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18353] <... futex resumed>) = 0 [pid 18362] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18360] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18358] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18355] <... futex resumed>) = 0 [pid 18353] exit_group(0 [pid 18362] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18360] write(4, NULL, 126976 [pid 18358] <... futex resumed>) = 0 [pid 18355] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18353] <... exit_group resumed>) = ? [pid 18362] write(4, NULL, 126976 [pid 18360] <... write resumed>) = -1 EFAULT (Bad address) [pid 18358] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18362] <... write resumed>) = -1 EFAULT (Bad address) [pid 18360] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18362] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18360] <... futex resumed>) = 1 [pid 18355] <... futex resumed>) = 0 [pid 18362] <... futex resumed>) = 1 [pid 18360] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18358] <... futex resumed>) = 0 [pid 18355] exit_group(0 [pid 18362] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18360] <... futex resumed>) = ? [pid 18358] exit_group(0 [pid 18357] +++ exited with 0 +++ [pid 18355] <... exit_group resumed>) = ? [pid 18353] +++ exited with 0 +++ [pid 18360] +++ exited with 0 +++ [pid 18358] <... exit_group resumed>) = ? [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18353, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18355] +++ exited with 0 +++ [pid 3611] restart_syscall(<... resuming interrupted clone ...> [pid 18362] <... futex resumed>) = ? [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18355, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3611] <... restart_syscall resumed>) = 0 [pid 18362] +++ exited with 0 +++ [pid 18358] +++ exited with 0 +++ [pid 3611] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18358, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3611] ioctl(3, LOOP_CLR_FD [pid 3609] restart_syscall(<... resuming interrupted clone ...> [pid 18359] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3611] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3609] <... restart_syscall resumed>) = 0 [pid 18361] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18359] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3613] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 3611] close(3 [pid 18361] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18359] <... futex resumed>) = 1 [pid 18356] <... futex resumed>) = 0 [pid 3613] <... openat resumed>) = 3 [pid 18361] <... futex resumed>) = 1 [pid 18359] write(4, NULL, 126976 [pid 18356] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18354] <... futex resumed>) = 0 [pid 3613] ioctl(3, LOOP_CLR_FD [pid 3611] <... close resumed>) = 0 [pid 18361] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18359] <... write resumed>) = -1 EFAULT (Bad address) [pid 18356] <... futex resumed>) = 0 [pid 18354] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3613] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3609] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 18361] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18359] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18356] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18354] <... futex resumed>) = 0 [pid 3613] close(3 [pid 18361] write(4, NULL, 126976 [pid 18359] <... futex resumed>) = 0 [pid 18356] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18361] <... write resumed>) = -1 EFAULT (Bad address) [pid 18359] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18356] exit_group(0 [pid 18354] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3609] <... openat resumed>) = 3 [pid 18361] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18359] <... futex resumed>) = ? [pid 18356] <... exit_group resumed>) = ? [pid 18354] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3613] <... close resumed>) = 0 [pid 3611] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18363 [pid 3609] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 18363 attached [pid 18361] <... futex resumed>) = 0 [pid 18359] +++ exited with 0 +++ [pid 18356] +++ exited with 0 +++ [pid 18354] exit_group(0 [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3609] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18363] set_robust_list(0x55555697d6e0, 24 [pid 18354] <... exit_group resumed>) = ? [pid 3612] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18356, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3609] close(3./strace-static-x86_64: Process 18364 attached [pid 18363] <... set_robust_list resumed>) = 0 [pid 18361] +++ exited with 0 +++ [pid 18354] +++ exited with 0 +++ [pid 3613] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18364 [pid 3609] <... close resumed>) = 0 [pid 18363] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18354, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18363] <... prctl resumed>) = 0 [pid 3612] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 18363] setpgid(0, 0 [pid 3612] <... openat resumed>) = 3 [pid 3609] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18365 [pid 18363] <... setpgid resumed>) = 0 [pid 3612] ioctl(3, LOOP_CLR_FD [pid 3610] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 18363] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3612] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3610] <... openat resumed>) = 3 [pid 18364] set_robust_list(0x55555697d6e0, 24 [pid 18363] <... openat resumed>) = 3 [pid 3612] close(3 [pid 3610] ioctl(3, LOOP_CLR_FD [pid 18364] <... set_robust_list resumed>) = 0 [pid 18363] write(3, "1000", 4 [pid 3612] <... close resumed>) = 0 [pid 3610] <... ioctl resumed>) = -1 ENXIO (No such device or address) ./strace-static-x86_64: Process 18365 attached [pid 18364] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18363] <... write resumed>) = 4 [pid 3612] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3610] close(3 [pid 18365] set_robust_list(0x55555697d6e0, 24 [pid 18364] <... prctl resumed>) = 0 [pid 18363] close(3 [pid 3610] <... close resumed>) = 0 [pid 18365] <... set_robust_list resumed>) = 0 [pid 18364] setpgid(0, 0 [pid 18363] <... close resumed>) = 0 [pid 3612] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18366 [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18365] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18364] <... setpgid resumed>) = 0 [pid 18363] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 18366 attached [pid 18365] <... prctl resumed>) = 0 [pid 18364] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18363] <... futex resumed>) = 0 [pid 3610] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18367 [pid 18366] set_robust_list(0x55555697d6e0, 24 [pid 18365] setpgid(0, 0 [pid 18364] <... openat resumed>) = 3 [pid 18363] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18366] <... set_robust_list resumed>) = 0 [pid 18365] <... setpgid resumed>) = 0 [pid 18364] write(3, "1000", 4 [pid 18363] <... mmap resumed>) = 0x7fe89d140000 [pid 18365] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18364] <... write resumed>) = 4 [pid 18363] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18366] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18365] <... openat resumed>) = 3 [pid 18364] close(3 [pid 18363] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 18367 attached [pid 18366] <... prctl resumed>) = 0 [pid 18365] write(3, "1000", 4 [pid 18364] <... close resumed>) = 0 [pid 18363] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18367] set_robust_list(0x55555697d6e0, 24 [pid 18366] setpgid(0, 0 [pid 18365] <... write resumed>) = 4 [pid 18364] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18367] <... set_robust_list resumed>) = 0 [pid 18363] <... clone resumed>, parent_tid=[18368], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18368 [pid 18367] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18363] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18367] <... prctl resumed>) = 0 [pid 18363] <... futex resumed>) = 0 [pid 18367] setpgid(0, 0 [pid 18363] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000}./strace-static-x86_64: Process 18368 attached [pid 18367] <... setpgid resumed>) = 0 [pid 18368] set_robust_list(0x7fe89d1609e0, 24 [pid 18367] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18365] close(3 [pid 18364] <... futex resumed>) = 0 [pid 18368] <... set_robust_list resumed>) = 0 [pid 18367] <... openat resumed>) = 3 [pid 18366] <... setpgid resumed>) = 0 [pid 18365] <... close resumed>) = 0 [pid 18364] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18368] mkdir("./file0", 0777 [pid 18367] write(3, "1000", 4 [pid 18366] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18365] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18364] <... mmap resumed>) = 0x7fe89d140000 [pid 18368] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18367] <... write resumed>) = 4 [pid 18366] <... openat resumed>) = 3 [pid 18365] <... futex resumed>) = 0 [pid 18364] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18368] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18367] close(3 [pid 18366] write(3, "1000", 4 [pid 18365] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18364] <... mprotect resumed>) = 0 [pid 18368] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18367] <... close resumed>) = 0 [pid 18366] <... write resumed>) = 4 [pid 18365] <... mmap resumed>) = 0x7fe89d140000 [pid 18364] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18368] <... futex resumed>) = 1 [pid 18367] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18366] close(3 [pid 18365] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18363] <... futex resumed>) = 0 [pid 18368] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18367] <... futex resumed>) = 0 [pid 18366] <... close resumed>) = 0 [pid 18365] <... mprotect resumed>) = 0 [pid 18364] <... clone resumed>, parent_tid=[18369], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18369 [pid 18363] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18368] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18367] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18366] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18365] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18364] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18368] pipe2( [pid 18367] <... mmap resumed>) = 0x7fe89d140000 [pid 18366] <... futex resumed>) = 0 [pid 18364] <... futex resumed>) = 0 [pid 18363] <... futex resumed>) = 0 ./strace-static-x86_64: Process 18369 attached ./strace-static-x86_64: Process 18370 attached [pid 18368] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18367] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18366] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18365] <... clone resumed>, parent_tid=[18370], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18370 [pid 18364] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18363] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18368] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18367] <... mprotect resumed>) = 0 [pid 18366] <... mmap resumed>) = 0x7fe89d140000 [pid 18365] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18363] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18368] <... futex resumed>) = 0 [pid 18367] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18366] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18365] <... futex resumed>) = 0 [pid 18363] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 18371 attached [pid 18370] set_robust_list(0x7fe89d1609e0, 24 [pid 18369] set_robust_list(0x7fe89d1609e0, 24 [pid 18368] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18366] <... mprotect resumed>) = 0 [pid 18365] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18363] <... futex resumed>) = 0 [pid 18371] set_robust_list(0x7fe89d1609e0, 24 [pid 18370] <... set_robust_list resumed>) = 0 [pid 18369] <... set_robust_list resumed>) = 0 [pid 18367] <... clone resumed>, parent_tid=[18371], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18371 [pid 18366] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18370] mkdir("./file0", 0777 [pid 18369] mkdir("./file0", 0777 [pid 18367] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18363] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18371] <... set_robust_list resumed>) = 0 [pid 18370] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18369] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18367] <... futex resumed>) = 0 [pid 18366] <... clone resumed>, parent_tid=[18372], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18372 ./strace-static-x86_64: Process 18372 attached [pid 18371] mkdir("./file0", 0777 [pid 18370] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18369] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18368] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18367] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18366] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18372] set_robust_list(0x7fe89d1609e0, 24 [pid 18371] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18370] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18369] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18368] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18366] <... futex resumed>) = 0 [pid 18372] <... set_robust_list resumed>) = 0 [pid 18371] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18370] <... futex resumed>) = 1 [pid 18369] <... futex resumed>) = 1 [pid 18368] <... futex resumed>) = 1 [pid 18366] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18365] <... futex resumed>) = 0 [pid 18364] <... futex resumed>) = 0 [pid 18363] <... futex resumed>) = 0 [pid 18371] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18370] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18369] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18368] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18365] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18364] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18363] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18371] <... futex resumed>) = 1 [pid 18370] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18369] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18368] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18367] <... futex resumed>) = 0 [pid 18365] <... futex resumed>) = 0 [pid 18364] <... futex resumed>) = 0 [pid 18363] <... futex resumed>) = 0 [pid 18372] mkdir("./file0", 0777 [pid 18371] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18370] pipe2( [pid 18369] pipe2( [pid 18368] write(4, NULL, 126976 [pid 18367] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18365] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18364] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18363] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18372] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18371] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18370] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18369] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18368] <... write resumed>) = -1 EFAULT (Bad address) [pid 18367] <... futex resumed>) = 0 [pid 18372] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18371] pipe2( [pid 18370] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18369] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18368] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18367] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18372] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18371] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18370] <... futex resumed>) = 1 [pid 18369] <... futex resumed>) = 1 [pid 18368] <... futex resumed>) = 1 [pid 18365] <... futex resumed>) = 0 [pid 18364] <... futex resumed>) = 0 [pid 18363] <... futex resumed>) = 0 [pid 18372] <... futex resumed>) = 1 [pid 18371] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18370] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18369] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18368] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18366] <... futex resumed>) = 0 [pid 18365] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18364] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18363] exit_group(0 [pid 18372] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18371] <... futex resumed>) = 1 [pid 18370] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18369] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18368] <... futex resumed>) = ? [pid 18367] <... futex resumed>) = 0 [pid 18366] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18365] <... futex resumed>) = 0 [pid 18364] <... futex resumed>) = 0 [pid 18363] <... exit_group resumed>) = ? [pid 18372] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18371] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18370] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18369] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18368] +++ exited with 0 +++ [pid 18367] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18366] <... futex resumed>) = 0 [pid 18365] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18364] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18372] pipe2( [pid 18371] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18367] <... futex resumed>) = 0 [pid 18366] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18363] +++ exited with 0 +++ [pid 18372] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18371] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18367] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18372] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18363, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18372] <... futex resumed>) = 1 [pid 3611] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 18372] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18366] <... futex resumed>) = 0 [pid 3611] <... openat resumed>) = 3 [pid 18366] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] ioctl(3, LOOP_CLR_FD [pid 18372] <... futex resumed>) = 0 [pid 18366] <... futex resumed>) = 1 [pid 3611] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18372] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18366] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3611] close(3) = 0 [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555697d6d0) = 18373 ./strace-static-x86_64: Process 18373 attached [pid 18373] set_robust_list(0x55555697d6e0, 24) = 0 [pid 18373] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 18373] setpgid(0, 0 [pid 18370] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18370] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 18370] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18365] <... futex resumed>) = 0 [pid 18373] <... setpgid resumed>) = 0 [pid 18365] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18373] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 18370] <... futex resumed>) = 0 [pid 18365] <... futex resumed>) = 1 [pid 18373] write(3, "1000", 4 [pid 18370] write(4, NULL, 126976 [pid 18365] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18373] <... write resumed>) = 4 [pid 18370] <... write resumed>) = -1 EFAULT (Bad address) [pid 18373] close(3 [pid 18370] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18373] <... close resumed>) = 0 [pid 18370] <... futex resumed>) = 1 [pid 18369] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18365] <... futex resumed>) = 0 [pid 18373] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18370] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18365] exit_group(0 [pid 18373] <... futex resumed>) = 0 [pid 18370] <... futex resumed>) = ? [pid 18369] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18365] <... exit_group resumed>) = ? [pid 18373] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18372] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18371] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18370] +++ exited with 0 +++ [pid 18369] <... futex resumed>) = 1 [pid 18365] +++ exited with 0 +++ [pid 18364] <... futex resumed>) = 0 [pid 18373] <... mmap resumed>) = 0x7fe89d140000 [pid 18372] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18371] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18369] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18364] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18365, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18373] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18372] <... futex resumed>) = 1 [pid 18371] <... futex resumed>) = 1 [pid 18369] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18367] <... futex resumed>) = 0 [pid 18366] <... futex resumed>) = 0 [pid 18364] <... futex resumed>) = 0 [pid 18373] <... mprotect resumed>) = 0 [pid 18372] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18371] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18369] write(4, NULL, 126976 [pid 18367] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18366] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18364] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18373] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18372] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18371] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18369] <... write resumed>) = -1 EFAULT (Bad address) [pid 18367] <... futex resumed>) = 0 [pid 18366] <... futex resumed>) = 0 [pid 3609] openat(AT_FDCWD, "/dev/loop0", O_RDWR./strace-static-x86_64: Process 18374 attached [pid 18372] write(4, NULL, 126976 [pid 18371] write(4, NULL, 126976 [pid 18369] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18367] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18366] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3609] <... openat resumed>) = 3 [pid 18373] <... clone resumed>, parent_tid=[18374], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18374 [pid 18372] <... write resumed>) = -1 EFAULT (Bad address) [pid 18371] <... write resumed>) = -1 EFAULT (Bad address) [pid 18369] <... futex resumed>) = 1 [pid 18364] <... futex resumed>) = 0 [pid 3609] ioctl(3, LOOP_CLR_FD [pid 18373] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18372] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18371] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18369] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18364] exit_group(0 [pid 3609] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18374] set_robust_list(0x7fe89d1609e0, 24 [pid 18373] <... futex resumed>) = 0 [pid 18372] <... futex resumed>) = 1 [pid 18371] <... futex resumed>) = 1 [pid 18369] <... futex resumed>) = ? [pid 18367] <... futex resumed>) = 0 [pid 18366] <... futex resumed>) = 0 [pid 18364] <... exit_group resumed>) = ? [pid 3609] close(3 [pid 18373] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18372] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18371] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18369] +++ exited with 0 +++ [pid 18367] exit_group(0 [pid 18366] exit_group(0 [pid 3609] <... close resumed>) = 0 [pid 18367] <... exit_group resumed>) = ? [pid 3609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18372] <... futex resumed>) = ? [pid 18371] <... futex resumed>) = ? [pid 18366] <... exit_group resumed>) = ? [pid 18364] +++ exited with 0 +++ [pid 3609] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18375 [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18364, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3613] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 3613] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 3613] close(3) = 0 [pid 18371] +++ exited with 0 +++ [pid 18367] +++ exited with 0 +++ [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18372] +++ exited with 0 +++ [pid 18366] +++ exited with 0 +++ [pid 3613] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18376 [pid 3612] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18366, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18367, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3612] restart_syscall(<... resuming interrupted clone ...> [pid 3610] restart_syscall(<... resuming interrupted clone ...> [pid 3612] <... restart_syscall resumed>) = 0 [pid 3610] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 18375 attached [pid 3612] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3610] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 18375] set_robust_list(0x55555697d6e0, 24 [pid 3612] <... openat resumed>) = 3 [pid 3610] <... openat resumed>) = 3 [pid 18375] <... set_robust_list resumed>) = 0 [pid 3612] ioctl(3, LOOP_CLR_FD [pid 3610] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 18376 attached [pid 18375] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3612] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3610] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18376] set_robust_list(0x55555697d6e0, 24 [pid 18375] <... prctl resumed>) = 0 [pid 3612] close(3 [pid 3610] close(3 [pid 18376] <... set_robust_list resumed>) = 0 [pid 18375] setpgid(0, 0 [pid 18374] <... set_robust_list resumed>) = 0 [pid 3612] <... close resumed>) = 0 [pid 3610] <... close resumed>) = 0 [pid 18376] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18375] <... setpgid resumed>) = 0 [pid 3612] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18376] <... prctl resumed>) = 0 [pid 18375] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18374] mkdir("./file0", 0777 [pid 18376] setpgid(0, 0 [pid 18375] <... openat resumed>) = 3 [pid 3612] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18377 [pid 3610] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18378 [pid 18376] <... setpgid resumed>) = 0 [pid 18375] write(3, "1000", 4 [pid 18376] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18375] <... write resumed>) = 4 [pid 18376] <... openat resumed>) = 3 [pid 18375] close(3 [pid 18374] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18376] write(3, "1000", 4 [pid 18375] <... close resumed>) = 0 [pid 18374] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18376] <... write resumed>) = 4 [pid 18375] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18374] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18376] close(3 [pid 18375] <... futex resumed>) = 0 [pid 18374] <... futex resumed>) = 1 [pid 18373] <... futex resumed>) = 0 [pid 18376] <... close resumed>) = 0 [pid 18375] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18374] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18373] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 18378 attached [pid 18376] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18375] <... mmap resumed>) = 0x7fe89d140000 [pid 18374] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18373] <... futex resumed>) = 0 [pid 18378] set_robust_list(0x55555697d6e0, 24 [pid 18376] <... futex resumed>) = 0 [pid 18375] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18374] pipe2( [pid 18373] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18378] <... set_robust_list resumed>) = 0 [pid 18376] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18375] <... mprotect resumed>) = 0 [pid 18374] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18378] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18376] <... mmap resumed>) = 0x7fe89d140000 [pid 18375] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18374] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18378] <... prctl resumed>) = 0 [pid 18376] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18374] <... futex resumed>) = 1 [pid 18373] <... futex resumed>) = 0 [pid 18378] setpgid(0, 0 [pid 18376] <... mprotect resumed>) = 0 [pid 18375] <... clone resumed>, parent_tid=[18379], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18379 [pid 18374] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18373] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18378] <... setpgid resumed>) = 0 [pid 18376] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18375] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18374] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18373] <... futex resumed>) = 0 [pid 18378] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18375] <... futex resumed>) = 0 [pid 18378] <... openat resumed>) = 3 [pid 18376] <... clone resumed>, parent_tid=[18380], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18380 [pid 18375] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18374] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18373] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18378] write(3, "1000", 4 [pid 18376] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18378] <... write resumed>) = 4 [pid 18376] <... futex resumed>) = 0 ./strace-static-x86_64: Process 18379 attached [pid 18378] close(3 [pid 18376] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18379] set_robust_list(0x7fe89d1609e0, 24 [pid 18378] <... close resumed>) = 0 ./strace-static-x86_64: Process 18380 attached [pid 18379] <... set_robust_list resumed>) = 0 [pid 18378] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18380] set_robust_list(0x7fe89d1609e0, 24 [pid 18379] mkdir("./file0", 0777 [pid 18378] <... futex resumed>) = 0 [pid 18380] <... set_robust_list resumed>) = 0 [pid 18379] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18378] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 18377 attached [pid 18380] mkdir("./file0", 0777 [pid 18379] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18378] <... mmap resumed>) = 0x7fe89d140000 [pid 18380] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18379] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18378] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18380] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18379] <... futex resumed>) = 1 [pid 18378] <... mprotect resumed>) = 0 [pid 18375] <... futex resumed>) = 0 [pid 18380] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18379] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18378] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18375] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18380] <... futex resumed>) = 1 [pid 18379] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18376] <... futex resumed>) = 0 [pid 18375] <... futex resumed>) = 0 [pid 18380] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18379] pipe2( [pid 18378] <... clone resumed>, parent_tid=[18381], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18381 [pid 18376] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18375] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18380] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18379] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18378] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18376] <... futex resumed>) = 0 [pid 18380] pipe2( [pid 18379] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18378] <... futex resumed>) = 0 [pid 18376] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18380] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18379] <... futex resumed>) = 1 [pid 18378] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18375] <... futex resumed>) = 0 [pid 18380] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18379] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18375] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18380] <... futex resumed>) = 1 [pid 18379] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18376] <... futex resumed>) = 0 [pid 18375] <... futex resumed>) = 0 [pid 18380] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18379] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18376] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18375] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18380] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18377] set_robust_list(0x55555697d6e0, 24 [pid 18376] <... futex resumed>) = 0 [pid 18380] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18376] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 18381 attached [pid 18381] set_robust_list(0x7fe89d1609e0, 24) = 0 [pid 18381] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 18377] <... set_robust_list resumed>) = 0 [pid 18377] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18381] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18381] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18378] <... futex resumed>) = 0 [pid 18378] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18377] <... prctl resumed>) = 0 [pid 18374] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18378] <... futex resumed>) = 0 [pid 18378] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18381] <... futex resumed>) = 1 [pid 18377] setpgid(0, 0 [pid 18374] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18381] pipe2([3, 4], 0) = 0 [pid 18374] <... futex resumed>) = 1 [pid 18373] <... futex resumed>) = 0 [pid 18377] <... setpgid resumed>) = 0 [pid 18374] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18373] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18381] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 18378] <... futex resumed>) = 0 [pid 18373] <... futex resumed>) = 0 [pid 18381] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18378] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18377] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18374] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18373] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18380] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18379] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18378] <... futex resumed>) = 0 [pid 18380] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18379] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18378] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18377] <... openat resumed>) = 3 [pid 18374] write(4, NULL, 126976 [pid 18380] <... futex resumed>) = 1 [pid 18379] <... futex resumed>) = 1 [pid 18376] <... futex resumed>) = 0 [pid 18375] <... futex resumed>) = 0 [pid 18380] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18379] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18377] write(3, "1000", 4 [pid 18376] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18375] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18374] <... write resumed>) = -1 EFAULT (Bad address) [pid 18380] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18379] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18376] <... futex resumed>) = 0 [pid 18375] <... futex resumed>) = 0 [pid 18380] write(4, NULL, 126976 [pid 18379] write(4, NULL, 126976 [pid 18376] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18375] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18380] <... write resumed>) = -1 EFAULT (Bad address) [pid 18379] <... write resumed>) = -1 EFAULT (Bad address) [pid 18380] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18379] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18380] <... futex resumed>) = 1 [pid 18379] <... futex resumed>) = 1 [pid 18376] <... futex resumed>) = 0 [pid 18375] <... futex resumed>) = 0 [pid 18380] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18379] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18377] <... write resumed>) = 4 [pid 18376] exit_group(0 [pid 18375] exit_group(0 [pid 18374] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18380] <... futex resumed>) = ? [pid 18379] <... futex resumed>) = ? [pid 18377] close(3 [pid 18376] <... exit_group resumed>) = ? [pid 18375] <... exit_group resumed>) = ? [pid 18374] <... futex resumed>) = 1 [pid 18373] <... futex resumed>) = 0 [pid 18380] +++ exited with 0 +++ [pid 18379] +++ exited with 0 +++ [pid 18377] <... close resumed>) = 0 [pid 18376] +++ exited with 0 +++ [pid 18374] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18373] exit_group(0 [pid 18377] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18375] +++ exited with 0 +++ [pid 18374] <... futex resumed>) = ? [pid 18373] <... exit_group resumed>) = ? [pid 18377] <... futex resumed>) = 0 [pid 18374] +++ exited with 0 +++ [pid 18373] +++ exited with 0 +++ [pid 18377] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18376, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18373, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18375, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18377] <... mmap resumed>) = 0x7fe89d140000 [pid 3613] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 3609] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 18377] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 3613] <... openat resumed>) = 3 [pid 18377] <... mprotect resumed>) = 0 [pid 3613] ioctl(3, LOOP_CLR_FD [pid 3609] <... openat resumed>) = 3 [pid 18377] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3613] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3613] close(3 [pid 3609] ioctl(3, LOOP_CLR_FD [pid 18377] <... clone resumed>, parent_tid=[18382], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18382 [pid 18377] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 18377] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000}./strace-static-x86_64: Process 18382 attached [pid 18382] set_robust_list(0x7fe89d1609e0, 24) = 0 [pid 18381] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3609] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18382] mkdir("./file0", 0777 [pid 18381] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3613] <... close resumed>) = 0 [pid 3611] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 3609] close(3 [pid 18381] <... futex resumed>) = 1 [pid 18378] <... futex resumed>) = 0 [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3611] <... openat resumed>) = 3 [pid 3609] <... close resumed>) = 0 [pid 18381] write(4, NULL, 126976 [pid 18378] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] ioctl(3, LOOP_CLR_FD [pid 3609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18381] <... write resumed>) = -1 EFAULT (Bad address) [pid 18378] <... futex resumed>) = 0 [pid 3613] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18383 [pid 3611] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18381] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18378] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3611] close(3 [pid 3609] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18384 [pid 18381] <... futex resumed>) = 0 [pid 18378] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3611] <... close resumed>) = 0 [pid 18381] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18378] exit_group(0 [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18381] <... futex resumed>) = ? [pid 18378] <... exit_group resumed>) = ? [pid 18381] +++ exited with 0 +++ [pid 18378] +++ exited with 0 +++ [pid 3611] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18385 [pid 18382] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18382] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18378, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18382] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3610] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 18382] <... futex resumed>) = 1 [pid 18377] <... futex resumed>) = 0 [pid 3610] <... openat resumed>) = 3 [pid 18382] pipe2( [pid 18377] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3610] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 18385 attached ./strace-static-x86_64: Process 18383 attached ./strace-static-x86_64: Process 18384 attached [pid 18382] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18377] <... futex resumed>) = 0 [pid 3610] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18385] set_robust_list(0x55555697d6e0, 24 [pid 18384] set_robust_list(0x55555697d6e0, 24 [pid 18383] set_robust_list(0x55555697d6e0, 24 [pid 18382] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18377] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3610] close(3 [pid 18385] <... set_robust_list resumed>) = 0 [pid 18384] <... set_robust_list resumed>) = 0 [pid 18383] <... set_robust_list resumed>) = 0 [pid 18382] <... futex resumed>) = 0 [pid 18377] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3610] <... close resumed>) = 0 [pid 18385] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18384] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18383] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18382] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18377] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18385] <... prctl resumed>) = 0 [pid 18384] <... prctl resumed>) = 0 [pid 18383] <... prctl resumed>) = 0 [pid 18382] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18377] <... futex resumed>) = 0 [pid 18385] setpgid(0, 0 [pid 18384] setpgid(0, 0 [pid 18383] setpgid(0, 0 [pid 18382] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18377] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3610] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18386 [pid 18385] <... setpgid resumed>) = 0 [pid 18384] <... setpgid resumed>) = 0 [pid 18383] <... setpgid resumed>) = 0 [pid 18385] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18384] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18383] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18385] <... openat resumed>) = 3 [pid 18384] <... openat resumed>) = 3 [pid 18385] write(3, "1000", 4 [pid 18384] write(3, "1000", 4 [pid 18383] <... openat resumed>) = 3 [pid 18385] <... write resumed>) = 4 [pid 18384] <... write resumed>) = 4 [pid 18383] write(3, "1000", 4./strace-static-x86_64: Process 18386 attached [pid 18385] close(3 [pid 18384] close(3 [pid 18383] <... write resumed>) = 4 [pid 18386] set_robust_list(0x55555697d6e0, 24 [pid 18385] <... close resumed>) = 0 [pid 18384] <... close resumed>) = 0 [pid 18383] close(3 [pid 18386] <... set_robust_list resumed>) = 0 [pid 18385] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18384] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18383] <... close resumed>) = 0 [pid 18382] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18386] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18385] <... futex resumed>) = 0 [pid 18384] <... futex resumed>) = 0 [pid 18383] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18382] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18386] <... prctl resumed>) = 0 [pid 18385] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18384] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18383] <... futex resumed>) = 0 [pid 18382] <... futex resumed>) = 1 [pid 18377] <... futex resumed>) = 0 [pid 18386] setpgid(0, 0 [pid 18385] <... mmap resumed>) = 0x7fe89d140000 [pid 18384] <... mmap resumed>) = 0x7fe89d140000 [pid 18383] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18382] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18377] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18386] <... setpgid resumed>) = 0 [pid 18385] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18384] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18383] <... mmap resumed>) = 0x7fe89d140000 [pid 18382] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18377] <... futex resumed>) = 0 [pid 18386] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18385] <... mprotect resumed>) = 0 [pid 18384] <... mprotect resumed>) = 0 [pid 18383] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18382] write(4, NULL, 126976 [pid 18377] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18386] <... openat resumed>) = 3 [pid 18385] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18384] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18383] <... mprotect resumed>) = 0 [pid 18382] <... write resumed>) = -1 EFAULT (Bad address) [pid 18386] write(3, "1000", 4 [pid 18383] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18382] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18386] <... write resumed>) = 4 [pid 18385] <... clone resumed>, parent_tid=[18387], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18387 [pid 18384] <... clone resumed>, parent_tid=[18388], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18388 [pid 18382] <... futex resumed>) = 1 [pid 18377] <... futex resumed>) = 0 [pid 18386] close(3 [pid 18385] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18384] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18383] <... clone resumed>, parent_tid=[18389], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18389 [pid 18382] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18377] exit_group(0 [pid 18386] <... close resumed>) = 0 [pid 18385] <... futex resumed>) = 0 [pid 18384] <... futex resumed>) = 0 [pid 18383] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18382] <... futex resumed>) = ? [pid 18377] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 18389 attached ./strace-static-x86_64: Process 18388 attached ./strace-static-x86_64: Process 18387 attached [pid 18386] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18385] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18384] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18383] <... futex resumed>) = 0 [pid 18382] +++ exited with 0 +++ [pid 18377] +++ exited with 0 +++ [pid 18389] set_robust_list(0x7fe89d1609e0, 24 [pid 18388] set_robust_list(0x7fe89d1609e0, 24 [pid 18387] set_robust_list(0x7fe89d1609e0, 24 [pid 18386] <... futex resumed>) = 0 [pid 18383] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 3612] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18377, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 18389] <... set_robust_list resumed>) = 0 [pid 18388] <... set_robust_list resumed>) = 0 [pid 18387] <... set_robust_list resumed>) = 0 [pid 18386] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18389] mkdir("./file0", 0777 [pid 18388] mkdir("./file0", 0777 [pid 18387] mkdir("./file0", 0777 [pid 18386] <... mmap resumed>) = 0x7fe89d140000 [pid 18389] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18388] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18387] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18386] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 3612] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 18389] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18388] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18387] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18386] <... mprotect resumed>) = 0 [pid 3612] <... openat resumed>) = 3 [pid 18389] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18388] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18387] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18386] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3612] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 18390 attached [pid 18389] <... futex resumed>) = 1 [pid 18388] <... futex resumed>) = 1 [pid 18387] <... futex resumed>) = 1 [pid 18385] <... futex resumed>) = 0 [pid 18384] <... futex resumed>) = 0 [pid 18383] <... futex resumed>) = 0 [pid 3612] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18390] set_robust_list(0x7fe89d1609e0, 24 [pid 18389] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18388] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18387] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18386] <... clone resumed>, parent_tid=[18390], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18390 [pid 18385] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18384] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18383] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3612] close(3 [pid 18390] <... set_robust_list resumed>) = 0 [pid 18389] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18388] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18387] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18386] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18385] <... futex resumed>) = 0 [pid 18384] <... futex resumed>) = 0 [pid 18383] <... futex resumed>) = 0 [pid 3612] <... close resumed>) = 0 [pid 18390] mkdir("./file0", 0777 [pid 18389] pipe2( [pid 18388] pipe2( [pid 18387] pipe2( [pid 18386] <... futex resumed>) = 0 [pid 18385] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18384] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18383] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3612] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18391 attached [pid 18390] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18389] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18388] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18387] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18386] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18391] set_robust_list(0x55555697d6e0, 24 [pid 18390] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18389] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18388] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18387] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3612] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18391 [pid 18391] <... set_robust_list resumed>) = 0 [pid 18390] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18389] <... futex resumed>) = 1 [pid 18388] <... futex resumed>) = 1 [pid 18387] <... futex resumed>) = 1 [pid 18385] <... futex resumed>) = 0 [pid 18384] <... futex resumed>) = 0 [pid 18383] <... futex resumed>) = 0 [pid 18391] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18390] <... futex resumed>) = 1 [pid 18389] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18388] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18387] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18386] <... futex resumed>) = 0 [pid 18385] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18384] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18383] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18391] <... prctl resumed>) = 0 [pid 18390] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18389] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18388] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18387] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18386] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18385] <... futex resumed>) = 0 [pid 18384] <... futex resumed>) = 0 [pid 18383] <... futex resumed>) = 0 [pid 18391] setpgid(0, 0 [pid 18390] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18389] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18388] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18387] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18386] <... futex resumed>) = 0 [pid 18385] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18384] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18383] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18391] <... setpgid resumed>) = 0 [pid 18390] pipe2( [pid 18386] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18390] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18390] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 18386] <... futex resumed>) = 0 [pid 18386] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18390] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18386] <... futex resumed>) = 0 [pid 18386] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18391] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 18389] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18391] write(3, "1000", 4 [pid 18389] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18391] <... write resumed>) = 4 [pid 18389] <... futex resumed>) = 1 [pid 18383] <... futex resumed>) = 0 [pid 18391] close(3 [pid 18389] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18383] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18391] <... close resumed>) = 0 [pid 18389] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18387] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18383] <... futex resumed>) = 0 [pid 18391] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18389] write(4, NULL, 126976 [pid 18383] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18391] <... futex resumed>) = 0 [pid 18389] <... write resumed>) = -1 EFAULT (Bad address) [pid 18387] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18391] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18390] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18389] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18391] <... mmap resumed>) = 0x7fe89d140000 [pid 18390] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18389] <... futex resumed>) = 1 [pid 18388] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18387] <... futex resumed>) = 1 [pid 18385] <... futex resumed>) = 0 [pid 18383] <... futex resumed>) = 0 [pid 18391] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18390] <... futex resumed>) = 1 [pid 18389] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18386] <... futex resumed>) = 0 [pid 18385] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18383] exit_group(0 [pid 18391] <... mprotect resumed>) = 0 [pid 18390] write(4, NULL, 126976 [pid 18389] <... futex resumed>) = ? [pid 18388] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18387] write(4, NULL, 126976 [pid 18386] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18385] <... futex resumed>) = 0 [pid 18383] <... exit_group resumed>) = ? [pid 18391] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18390] <... write resumed>) = -1 EFAULT (Bad address) [pid 18389] +++ exited with 0 +++ [pid 18388] <... futex resumed>) = 1 [pid 18387] <... write resumed>) = -1 EFAULT (Bad address) [pid 18386] <... futex resumed>) = 0 [pid 18385] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18384] <... futex resumed>) = 0 [pid 18390] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18388] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18387] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18386] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18384] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18390] <... futex resumed>) = 0 [pid 18388] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18387] <... futex resumed>) = 0 [pid 18386] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18385] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18384] <... futex resumed>) = 0 [pid 18383] +++ exited with 0 +++ [pid 18391] <... clone resumed>, parent_tid=[18392], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18392 [pid 18390] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18388] write(4, NULL, 126976 [pid 18387] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18386] exit_group(0 [pid 18385] exit_group(0 [pid 18384] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18383, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- ./strace-static-x86_64: Process 18392 attached [pid 18391] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18390] <... futex resumed>) = ? [pid 18388] <... write resumed>) = -1 EFAULT (Bad address) [pid 18387] <... futex resumed>) = ? [pid 18386] <... exit_group resumed>) = ? [pid 18385] <... exit_group resumed>) = ? [pid 18392] set_robust_list(0x7fe89d1609e0, 24 [pid 18391] <... futex resumed>) = 0 [pid 18390] +++ exited with 0 +++ [pid 18388] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18387] +++ exited with 0 +++ [pid 18386] +++ exited with 0 +++ [pid 18385] +++ exited with 0 +++ [pid 18392] <... set_robust_list resumed>) = 0 [pid 18391] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18388] <... futex resumed>) = 1 [pid 18384] <... futex resumed>) = 0 [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18385, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18386, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 18392] mkdir("./file0", 0777 [pid 18388] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18384] exit_group(0 [pid 18392] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18388] <... futex resumed>) = ? [pid 18384] <... exit_group resumed>) = ? [pid 18392] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18388] +++ exited with 0 +++ [pid 3611] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 18392] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18384] +++ exited with 0 +++ [pid 3613] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 3611] <... openat resumed>) = 3 [pid 3610] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 18392] <... futex resumed>) = 1 [pid 18391] <... futex resumed>) = 0 [pid 3613] <... openat resumed>) = 3 [pid 3611] ioctl(3, LOOP_CLR_FD [pid 3610] <... openat resumed>) = 3 [pid 3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18384, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 18392] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18391] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3613] ioctl(3, LOOP_CLR_FD [pid 3611] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3610] ioctl(3, LOOP_CLR_FD [pid 3609] restart_syscall(<... resuming interrupted clone ...> [pid 18392] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18391] <... futex resumed>) = 0 [pid 3613] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3611] close(3 [pid 3610] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3609] <... restart_syscall resumed>) = 0 [pid 18392] pipe2( [pid 18391] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3613] close(3 [pid 3611] <... close resumed>) = 0 [pid 3610] close(3 [pid 18392] <... pipe2 resumed>[3, 4], 0) = 0 [pid 3613] <... close resumed>) = 0 [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3610] <... close resumed>) = 0 [pid 18392] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3609] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 18392] <... futex resumed>) = 1 [pid 18391] <... futex resumed>) = 0 [pid 3611] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18393 [pid 3609] <... openat resumed>) = 3 [pid 18392] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18391] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3613] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18394 [pid 3610] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18395 [pid 3609] ioctl(3, LOOP_CLR_FD [pid 18392] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18391] <... futex resumed>) = 0 [pid 3609] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18392] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18391] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3609] close(3) = 0 [pid 3609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555697d6d0) = 18396 ./strace-static-x86_64: Process 18394 attached ./strace-static-x86_64: Process 18396 attached [pid 18394] set_robust_list(0x55555697d6e0, 24 [pid 18396] set_robust_list(0x55555697d6e0, 24 [pid 18394] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 18395 attached [pid 18396] <... set_robust_list resumed>) = 0 [pid 18394] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18396] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18394] <... prctl resumed>) = 0 [pid 18396] <... prctl resumed>) = 0 [pid 18394] setpgid(0, 0 [pid 18396] setpgid(0, 0 [pid 18394] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 18393 attached [pid 18396] <... setpgid resumed>) = 0 [pid 18395] set_robust_list(0x55555697d6e0, 24 [pid 18394] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18396] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18395] <... set_robust_list resumed>) = 0 [pid 18394] <... openat resumed>) = 3 [pid 18393] set_robust_list(0x55555697d6e0, 24 [pid 18396] <... openat resumed>) = 3 [pid 18394] write(3, "1000", 4 [pid 18395] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18396] write(3, "1000", 4 [pid 18394] <... write resumed>) = 4 [pid 18396] <... write resumed>) = 4 [pid 18395] <... prctl resumed>) = 0 [pid 18394] close(3 [pid 18393] <... set_robust_list resumed>) = 0 [pid 18396] close(3 [pid 18394] <... close resumed>) = 0 [pid 18396] <... close resumed>) = 0 [pid 18395] setpgid(0, 0 [pid 18394] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18393] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18396] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18395] <... setpgid resumed>) = 0 [pid 18394] <... futex resumed>) = 0 [pid 18393] <... prctl resumed>) = 0 [pid 18396] <... futex resumed>) = 0 [pid 18395] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18394] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18392] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18396] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18395] <... openat resumed>) = 3 [pid 18394] <... mmap resumed>) = 0x7fe89d140000 [pid 18393] setpgid(0, 0 [pid 18392] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18396] <... mmap resumed>) = 0x7fe89d140000 [pid 18395] write(3, "1000", 4 [pid 18394] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18393] <... setpgid resumed>) = 0 [pid 18392] <... futex resumed>) = 1 [pid 18391] <... futex resumed>) = 0 [pid 18396] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18395] <... write resumed>) = 4 [pid 18394] <... mprotect resumed>) = 0 [pid 18393] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18392] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18391] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18396] <... mprotect resumed>) = 0 [pid 18395] close(3 [pid 18394] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18393] <... openat resumed>) = 3 [pid 18392] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18391] <... futex resumed>) = 0 [pid 18396] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18395] <... close resumed>) = 0 [pid 18393] write(3, "1000", 4 [pid 18392] write(4, NULL, 126976 [pid 18391] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18395] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18394] <... clone resumed>, parent_tid=[18397], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18397 [pid 18393] <... write resumed>) = 4 [pid 18392] <... write resumed>) = -1 EFAULT (Bad address) ./strace-static-x86_64: Process 18397 attached [pid 18396] <... clone resumed>, parent_tid=[18398], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18398 [pid 18395] <... futex resumed>) = 0 [pid 18394] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18393] close(3 [pid 18392] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18396] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18394] <... futex resumed>) = 0 [pid 18392] <... futex resumed>) = 1 [pid 18391] <... futex resumed>) = 0 [pid 18396] <... futex resumed>) = 0 [pid 18394] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18392] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18391] exit_group(0 [pid 18396] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18395] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18393] <... close resumed>) = 0 [pid 18392] <... futex resumed>) = ? [pid 18391] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 18398 attached [pid 18397] set_robust_list(0x7fe89d1609e0, 24 [pid 18395] <... mmap resumed>) = 0x7fe89d140000 [pid 18393] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18392] +++ exited with 0 +++ [pid 18391] +++ exited with 0 +++ [pid 18398] set_robust_list(0x7fe89d1609e0, 24 [pid 18397] <... set_robust_list resumed>) = 0 [pid 18395] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18393] <... futex resumed>) = 0 [pid 18398] <... set_robust_list resumed>) = 0 [pid 18395] <... mprotect resumed>) = 0 [pid 18393] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3612] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18391, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18398] mkdir("./file0", 0777 [pid 18395] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18397] mkdir("./file0", 0777 [pid 18393] <... mmap resumed>) = 0x7fe89d140000 [pid 3612] restart_syscall(<... resuming interrupted clone ...> [pid 18398] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18397] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18393] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 3612] <... restart_syscall resumed>) = 0 [pid 18398] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18397] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18395] <... clone resumed>, parent_tid=[18399], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18399 [pid 18393] <... mprotect resumed>) = 0 [pid 18398] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18397] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18395] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18393] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18398] <... futex resumed>) = 1 [pid 18397] <... futex resumed>) = 1 [pid 18396] <... futex resumed>) = 0 [pid 18395] <... futex resumed>) = 0 [pid 18394] <... futex resumed>) = 0 [pid 3612] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 18398] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18397] pipe2( [pid 18396] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18395] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18394] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18393] <... clone resumed>, parent_tid=[18400], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18400 ./strace-static-x86_64: Process 18399 attached ./strace-static-x86_64: Process 18400 attached [pid 18398] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18397] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18396] <... futex resumed>) = 0 [pid 18394] <... futex resumed>) = 0 [pid 18393] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3612] <... openat resumed>) = 3 [pid 18399] set_robust_list(0x7fe89d1609e0, 24 [pid 18398] pipe2( [pid 18397] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18396] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18394] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18393] <... futex resumed>) = 0 [pid 3612] ioctl(3, LOOP_CLR_FD [pid 18399] <... set_robust_list resumed>) = 0 [pid 18398] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18397] <... futex resumed>) = 0 [pid 18394] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18393] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 3612] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18400] set_robust_list(0x7fe89d1609e0, 24 [pid 18399] mkdir("./file0", 0777 [pid 18398] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18397] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18394] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3612] close(3 [pid 18398] <... futex resumed>) = 1 [pid 18397] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18396] <... futex resumed>) = 0 [pid 18394] <... futex resumed>) = 0 [pid 18400] <... set_robust_list resumed>) = 0 [pid 18399] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18398] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18396] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18394] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3612] <... close resumed>) = 0 [pid 18400] mkdir("./file0", 0777 [pid 18399] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18398] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18397] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18396] <... futex resumed>) = 0 [pid 3612] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18400] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18398] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18396] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 18401 attached [pid 18400] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18399] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18401] set_robust_list(0x55555697d6e0, 24 [pid 18400] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18399] <... futex resumed>) = 1 [pid 18395] <... futex resumed>) = 0 [pid 3612] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18401 [pid 18401] <... set_robust_list resumed>) = 0 [pid 18400] <... futex resumed>) = 1 [pid 18399] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18398] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18395] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18393] <... futex resumed>) = 0 [pid 18401] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18400] pipe2( [pid 18399] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18398] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18395] <... futex resumed>) = 0 [pid 18393] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18401] <... prctl resumed>) = 0 [pid 18400] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18399] pipe2( [pid 18398] <... futex resumed>) = 1 [pid 18397] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18396] <... futex resumed>) = 0 [pid 18395] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18393] <... futex resumed>) = 0 [pid 18400] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18399] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18398] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18397] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18396] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18393] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18401] setpgid(0, 0 [pid 18400] <... futex resumed>) = 0 [pid 18399] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18398] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18397] <... futex resumed>) = 1 [pid 18396] <... futex resumed>) = 0 [pid 18394] <... futex resumed>) = 0 [pid 18393] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18401] <... setpgid resumed>) = 0 [pid 18400] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18399] <... futex resumed>) = 1 [pid 18398] write(4, NULL, 126976 [pid 18397] write(4, NULL, 126976 [pid 18396] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18395] <... futex resumed>) = 0 [pid 18394] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18393] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18401] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18400] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18399] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18398] <... write resumed>) = -1 EFAULT (Bad address) [pid 18397] <... write resumed>) = -1 EFAULT (Bad address) [pid 18395] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18394] <... futex resumed>) = 0 [pid 18393] <... futex resumed>) = 0 [pid 18400] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18399] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18398] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18397] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18395] <... futex resumed>) = 0 [pid 18401] <... openat resumed>) = 3 [pid 18394] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18393] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18399] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18398] <... futex resumed>) = 1 [pid 18397] <... futex resumed>) = 0 [pid 18396] <... futex resumed>) = 0 [pid 18395] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18394] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18398] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18397] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18396] exit_group(0 [pid 18394] exit_group(0 [pid 18398] <... futex resumed>) = ? [pid 18397] <... futex resumed>) = ? [pid 18396] <... exit_group resumed>) = ? [pid 18394] <... exit_group resumed>) = ? [pid 18398] +++ exited with 0 +++ [pid 18397] +++ exited with 0 +++ [pid 18396] +++ exited with 0 +++ [pid 18394] +++ exited with 0 +++ [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18394, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18396, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3609] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 3609] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 3613] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 3609] close(3 [pid 3613] <... openat resumed>) = 3 [pid 3609] <... close resumed>) = 0 [pid 3613] ioctl(3, LOOP_CLR_FD [pid 3609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3613] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3613] close(3 [pid 3609] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18402 [pid 3613] <... close resumed>) = 0 [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555697d6d0) = 18403 [pid 18401] write(3, "1000", 4./strace-static-x86_64: Process 18402 attached ) = 4 [pid 18402] set_robust_list(0x55555697d6e0, 24) = 0 [pid 18402] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 18402] setpgid(0, 0) = 0 [pid 18402] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 18403 attached ) = 3 [pid 18403] set_robust_list(0x55555697d6e0, 24 [pid 18402] write(3, "1000", 4 [pid 18403] <... set_robust_list resumed>) = 0 [pid 18402] <... write resumed>) = 4 [pid 18403] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18402] close(3 [pid 18403] <... prctl resumed>) = 0 [pid 18402] <... close resumed>) = 0 [pid 18403] setpgid(0, 0 [pid 18402] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18403] <... setpgid resumed>) = 0 [pid 18402] <... futex resumed>) = 0 [pid 18403] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18402] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18401] close(3 [pid 18403] <... openat resumed>) = 3 [pid 18402] <... mmap resumed>) = 0x7fe89d140000 [pid 18401] <... close resumed>) = 0 [pid 18403] write(3, "1000", 4 [pid 18402] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18401] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18403] <... write resumed>) = 4 [pid 18402] <... mprotect resumed>) = 0 [pid 18401] <... futex resumed>) = 0 [pid 18403] close(3 [pid 18402] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18401] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18403] <... close resumed>) = 0 [pid 18400] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18403] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18402] <... clone resumed>, parent_tid=[18404], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18404 [pid 18401] <... mmap resumed>) = 0x7fe89d140000 [pid 18400] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18399] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18403] <... futex resumed>) = 0 [pid 18402] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18401] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18400] <... futex resumed>) = 1 [pid 18399] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18393] <... futex resumed>) = 0 [pid 18403] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18402] <... futex resumed>) = 0 [pid 18401] <... mprotect resumed>) = 0 [pid 18400] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18399] <... futex resumed>) = 1 [pid 18395] <... futex resumed>) = 0 [pid 18393] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18403] <... mmap resumed>) = 0x7fe89d140000 [pid 18402] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18401] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18400] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18399] write(4, NULL, 126976 [pid 18395] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18393] <... futex resumed>) = 0 ./strace-static-x86_64: Process 18404 attached [pid 18403] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18400] write(4, NULL, 126976 [pid 18399] <... write resumed>) = -1 EFAULT (Bad address) [pid 18395] <... futex resumed>) = 0 [pid 18393] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18404] set_robust_list(0x7fe89d1609e0, 24 [pid 18403] <... mprotect resumed>) = 0 [pid 18401] <... clone resumed>, parent_tid=[18405], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18405 [pid 18400] <... write resumed>) = -1 EFAULT (Bad address) [pid 18399] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18395] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 18405 attached [pid 18404] <... set_robust_list resumed>) = 0 [pid 18403] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18401] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18400] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18399] <... futex resumed>) = 0 [pid 18395] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18405] set_robust_list(0x7fe89d1609e0, 24 [pid 18404] mkdir("./file0", 0777 [pid 18401] <... futex resumed>) = 0 [pid 18400] <... futex resumed>) = 1 [pid 18399] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18395] exit_group(0 [pid 18393] <... futex resumed>) = 0 [pid 18405] <... set_robust_list resumed>) = 0 [pid 18404] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18403] <... clone resumed>, parent_tid=[18406], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18406 [pid 18401] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18400] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18399] <... futex resumed>) = ? [pid 18395] <... exit_group resumed>) = ? [pid 18393] exit_group(0 [pid 18405] mkdir("./file0", 0777 [pid 18404] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18403] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18399] +++ exited with 0 +++ [pid 18405] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18404] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18403] <... futex resumed>) = 0 [pid 18400] <... futex resumed>) = ? [pid 18395] +++ exited with 0 +++ [pid 18393] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 18406 attached [pid 18405] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18404] <... futex resumed>) = 1 [pid 18403] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18402] <... futex resumed>) = 0 [pid 18400] +++ exited with 0 +++ [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18395, si_uid=0, si_status=0, si_utime=2, si_stime=1} --- [pid 18406] set_robust_list(0x7fe89d1609e0, 24 [pid 18405] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18404] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18402] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18393] +++ exited with 0 +++ [pid 18406] <... set_robust_list resumed>) = 0 [pid 18405] <... futex resumed>) = 1 [pid 18404] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18402] <... futex resumed>) = 0 [pid 18401] <... futex resumed>) = 0 [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18393, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 18406] mkdir("./file0", 0777 [pid 18405] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18404] pipe2( [pid 18402] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18401] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] restart_syscall(<... resuming interrupted clone ...> [pid 18406] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18405] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18404] <... pipe2 resumed>[3, 4], 0) = 0 [pid 3611] <... restart_syscall resumed>) = 0 [pid 18406] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18405] pipe2( [pid 18404] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18401] <... futex resumed>) = 0 [pid 18406] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18405] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18404] <... futex resumed>) = 1 [pid 18402] <... futex resumed>) = 0 [pid 18401] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3610] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 18406] <... futex resumed>) = 1 [pid 18405] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18404] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18403] <... futex resumed>) = 0 [pid 18402] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18401] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3611] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 3610] <... openat resumed>) = 3 [pid 18406] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18405] <... futex resumed>) = 0 [pid 18404] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18401] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18405] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18401] <... futex resumed>) = 0 [pid 18406] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18404] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18403] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18402] <... futex resumed>) = 0 [pid 3611] <... openat resumed>) = 3 [pid 3610] ioctl(3, LOOP_CLR_FD [pid 18406] pipe2( [pid 18403] <... futex resumed>) = 0 [pid 18402] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18401] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3611] ioctl(3, LOOP_CLR_FD [pid 3610] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18406] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18403] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3611] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3610] close(3 [pid 18406] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18403] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3611] close(3 [pid 3610] <... close resumed>) = 0 [pid 18406] <... futex resumed>) = 0 [pid 18403] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] <... close resumed>) = 0 [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18406] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18405] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18403] <... futex resumed>) = 0 [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18403] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3610] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18407 ./strace-static-x86_64: Process 18408 attached ./strace-static-x86_64: Process 18407 attached [pid 18405] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18404] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3611] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18408 [pid 18408] set_robust_list(0x55555697d6e0, 24 [pid 18407] set_robust_list(0x55555697d6e0, 24 [pid 18405] <... futex resumed>) = 1 [pid 18404] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18401] <... futex resumed>) = 0 [pid 18408] <... set_robust_list resumed>) = 0 [pid 18407] <... set_robust_list resumed>) = 0 [pid 18405] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18404] <... futex resumed>) = 1 [pid 18402] <... futex resumed>) = 0 [pid 18401] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18408] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18407] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18405] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18404] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18402] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18401] <... futex resumed>) = 0 [pid 18408] <... prctl resumed>) = 0 [pid 18407] <... prctl resumed>) = 0 [pid 18406] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18405] write(4, NULL, 126976 [pid 18404] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18402] <... futex resumed>) = 0 [pid 18401] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18408] setpgid(0, 0 [pid 18407] setpgid(0, 0 [pid 18406] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18405] <... write resumed>) = -1 EFAULT (Bad address) [pid 18404] write(4, NULL, 126976 [pid 18402] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18408] <... setpgid resumed>) = 0 [pid 18407] <... setpgid resumed>) = 0 [pid 18406] <... futex resumed>) = 1 [pid 18405] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18404] <... write resumed>) = -1 EFAULT (Bad address) [pid 18403] <... futex resumed>) = 0 [pid 18408] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18407] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18406] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18405] <... futex resumed>) = 1 [pid 18404] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18403] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18401] <... futex resumed>) = 0 [pid 18408] <... openat resumed>) = 3 [pid 18407] <... openat resumed>) = 3 [pid 18406] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18405] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18404] <... futex resumed>) = 1 [pid 18403] <... futex resumed>) = 0 [pid 18402] <... futex resumed>) = 0 [pid 18401] exit_group(0 [pid 18408] write(3, "1000", 4 [pid 18407] write(3, "1000", 4 [pid 18406] write(4, NULL, 126976 [pid 18405] <... futex resumed>) = ? [pid 18404] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18403] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18402] exit_group(0 [pid 18401] <... exit_group resumed>) = ? [pid 18408] <... write resumed>) = 4 [pid 18407] <... write resumed>) = 4 [pid 18406] <... write resumed>) = -1 EFAULT (Bad address) [pid 18405] +++ exited with 0 +++ [pid 18404] <... futex resumed>) = ? [pid 18402] <... exit_group resumed>) = ? [pid 18401] +++ exited with 0 +++ [pid 18408] close(3 [pid 18407] close(3 [pid 18406] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18404] +++ exited with 0 +++ [pid 3612] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18401, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18408] <... close resumed>) = 0 [pid 18407] <... close resumed>) = 0 [pid 18408] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18407] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18408] <... futex resumed>) = 0 [pid 18407] <... futex resumed>) = 0 [pid 18408] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18407] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18402] +++ exited with 0 +++ [pid 18408] <... mmap resumed>) = 0x7fe89d140000 [pid 18407] <... mmap resumed>) = 0x7fe89d140000 [pid 18406] <... futex resumed>) = 1 [pid 18403] <... futex resumed>) = 0 [pid 3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18402, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18408] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18407] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18406] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18403] exit_group(0 [pid 18408] <... mprotect resumed>) = 0 [pid 18407] <... mprotect resumed>) = 0 [pid 18406] <... futex resumed>) = ? [pid 18403] <... exit_group resumed>) = ? [pid 18408] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18407] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18406] +++ exited with 0 +++ [pid 3612] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 18408] <... clone resumed>, parent_tid=[18409], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18409 [pid 18407] <... clone resumed>, parent_tid=[18410], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18410 [pid 18403] +++ exited with 0 +++ [pid 3612] <... openat resumed>) = 3 [pid 3609] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 18408] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18407] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3612] ioctl(3, LOOP_CLR_FD [pid 18408] <... futex resumed>) = 0 [pid 18407] <... futex resumed>) = 0 [pid 3612] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3609] <... openat resumed>) = 3 [pid 18408] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18407] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18403, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3612] close(3 [pid 3609] ioctl(3, LOOP_CLR_FD [pid 3613] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 3612] <... close resumed>) = 0 [pid 3612] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3609] <... ioctl resumed>) = -1 ENXIO (No such device or address) ./strace-static-x86_64: Process 18410 attached ./strace-static-x86_64: Process 18409 attached [pid 3613] <... openat resumed>) = 3 [pid 3609] close(3./strace-static-x86_64: Process 18411 attached [pid 18410] set_robust_list(0x7fe89d1609e0, 24 [pid 3613] ioctl(3, LOOP_CLR_FD [pid 18409] set_robust_list(0x7fe89d1609e0, 24 [pid 3609] <... close resumed>) = 0 [pid 18410] <... set_robust_list resumed>) = 0 [pid 18409] <... set_robust_list resumed>) = 0 [pid 3613] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3612] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18411 [pid 3609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18411] set_robust_list(0x55555697d6e0, 24 [pid 18410] mkdir("./file0", 0777 [pid 18409] mkdir("./file0", 0777 [pid 3613] close(3 [pid 18411] <... set_robust_list resumed>) = 0 [pid 18410] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18409] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3613] <... close resumed>) = 0 [pid 3609] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18412 [pid 18411] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18410] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18409] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18412 attached [pid 18411] <... prctl resumed>) = 0 [pid 18410] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18409] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18412] set_robust_list(0x55555697d6e0, 24 [pid 18411] setpgid(0, 0 [pid 18410] <... futex resumed>) = 1 [pid 18409] <... futex resumed>) = 1 [pid 18408] <... futex resumed>) = 0 [pid 18407] <... futex resumed>) = 0 [pid 3613] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18413 [pid 18412] <... set_robust_list resumed>) = 0 [pid 18411] <... setpgid resumed>) = 0 [pid 18410] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18409] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18408] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18407] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18412] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18411] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18410] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18409] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18408] <... futex resumed>) = 0 [pid 18407] <... futex resumed>) = 0 ./strace-static-x86_64: Process 18413 attached [pid 18412] <... prctl resumed>) = 0 [pid 18411] <... openat resumed>) = 3 [pid 18410] pipe2( [pid 18409] pipe2( [pid 18408] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18407] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18413] set_robust_list(0x55555697d6e0, 24 [pid 18412] setpgid(0, 0 [pid 18411] write(3, "1000", 4 [pid 18410] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18409] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18413] <... set_robust_list resumed>) = 0 [pid 18412] <... setpgid resumed>) = 0 [pid 18411] <... write resumed>) = 4 [pid 18410] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18409] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18413] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18410] <... futex resumed>) = 1 [pid 18409] <... futex resumed>) = 1 [pid 18413] <... prctl resumed>) = 0 [pid 18410] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18409] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18413] setpgid(0, 0) = 0 [pid 18413] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18412] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18411] close(3 [pid 18407] <... futex resumed>) = 0 [pid 18408] <... futex resumed>) = 0 [pid 18413] <... openat resumed>) = 3 [pid 18412] <... openat resumed>) = 3 [pid 18411] <... close resumed>) = 0 [pid 18408] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18407] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18413] write(3, "1000", 4 [pid 18412] write(3, "1000", 4 [pid 18411] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18410] <... futex resumed>) = 0 [pid 18409] <... futex resumed>) = 0 [pid 18408] <... futex resumed>) = 1 [pid 18407] <... futex resumed>) = 1 [pid 18413] <... write resumed>) = 4 [pid 18412] <... write resumed>) = 4 [pid 18411] <... futex resumed>) = 0 [pid 18410] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18409] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18408] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18407] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18413] close(3 [pid 18412] close(3 [pid 18411] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18412] <... close resumed>) = 0 [pid 18411] <... mmap resumed>) = 0x7fe89d140000 [pid 18412] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18411] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18412] <... futex resumed>) = 0 [pid 18411] <... mprotect resumed>) = 0 [pid 18413] <... close resumed>) = 0 [pid 18413] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18412] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18411] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18413] <... futex resumed>) = 0 [pid 18412] <... mmap resumed>) = 0x7fe89d140000 [pid 18413] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18412] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18411] <... clone resumed>, parent_tid=[18414], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18414 ./strace-static-x86_64: Process 18414 attached [pid 18413] <... mmap resumed>) = 0x7fe89d140000 [pid 18412] <... mprotect resumed>) = 0 [pid 18411] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18409] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18414] set_robust_list(0x7fe89d1609e0, 24 [pid 18413] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18412] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18411] <... futex resumed>) = 0 [pid 18409] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 18415 attached [pid 18414] <... set_robust_list resumed>) = 0 [pid 18413] <... mprotect resumed>) = 0 [pid 18411] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18410] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18409] <... futex resumed>) = 1 [pid 18408] <... futex resumed>) = 0 [pid 18415] set_robust_list(0x7fe89d1609e0, 24 [pid 18414] mkdir("./file0", 0777 [pid 18413] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18412] <... clone resumed>, parent_tid=[18415], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18415 [pid 18410] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18409] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18408] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18415] <... set_robust_list resumed>) = 0 [pid 18414] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18412] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18410] <... futex resumed>) = 1 [pid 18409] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18408] <... futex resumed>) = 0 [pid 18407] <... futex resumed>) = 0 [pid 18415] mkdir("./file0", 0777 [pid 18414] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18413] <... clone resumed>, parent_tid=[18416], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18416 [pid 18412] <... futex resumed>) = 0 [pid 18410] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18409] write(4, NULL, 126976 [pid 18408] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18407] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18415] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18414] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18413] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18412] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18410] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18409] <... write resumed>) = -1 EFAULT (Bad address) [pid 18407] <... futex resumed>) = 0 [pid 18415] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18414] <... futex resumed>) = 1 [pid 18413] <... futex resumed>) = 0 [pid 18411] <... futex resumed>) = 0 [pid 18410] write(4, NULL, 126976 [pid 18409] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18407] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18415] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18414] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18413] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18411] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18410] <... write resumed>) = -1 EFAULT (Bad address) [pid 18409] <... futex resumed>) = 1 [pid 18408] <... futex resumed>) = 0 ./strace-static-x86_64: Process 18416 attached [pid 18415] <... futex resumed>) = 1 [pid 18414] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18412] <... futex resumed>) = 0 [pid 18411] <... futex resumed>) = 0 [pid 18410] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18409] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18408] exit_group(0 [pid 18416] set_robust_list(0x7fe89d1609e0, 24 [pid 18415] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18414] pipe2( [pid 18412] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18411] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18410] <... futex resumed>) = 1 [pid 18409] <... futex resumed>) = ? [pid 18408] <... exit_group resumed>) = ? [pid 18407] <... futex resumed>) = 0 [pid 18416] <... set_robust_list resumed>) = 0 [pid 18415] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18414] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18412] <... futex resumed>) = 0 [pid 18410] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18409] +++ exited with 0 +++ [pid 18416] mkdir("./file0", 0777 [pid 18415] pipe2( [pid 18414] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18412] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18408] +++ exited with 0 +++ [pid 18407] exit_group(0 [pid 18416] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18415] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18414] <... futex resumed>) = 1 [pid 18411] <... futex resumed>) = 0 [pid 18410] <... futex resumed>) = ? [pid 18407] <... exit_group resumed>) = ? [pid 18416] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18415] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18414] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18411] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18410] +++ exited with 0 +++ [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18408, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18416] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18415] <... futex resumed>) = 1 [pid 18414] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18412] <... futex resumed>) = 0 [pid 18411] <... futex resumed>) = 0 [pid 18407] +++ exited with 0 +++ [pid 3611] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 18416] <... futex resumed>) = 1 [pid 18415] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18414] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18413] <... futex resumed>) = 0 [pid 18412] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18411] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3611] <... openat resumed>) = 3 [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18407, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 18416] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18415] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18413] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18412] <... futex resumed>) = 0 [pid 3611] ioctl(3, LOOP_CLR_FD [pid 3610] restart_syscall(<... resuming interrupted clone ...> [pid 18416] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18415] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18413] <... futex resumed>) = 0 [pid 18412] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3611] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3610] <... restart_syscall resumed>) = 0 [pid 18416] pipe2( [pid 18413] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3611] close(3 [pid 18416] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18416] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] <... close resumed>) = 0 [pid 18416] <... futex resumed>) = 1 [pid 18413] <... futex resumed>) = 0 [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3610] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 18416] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18413] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 18414] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18414] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18416] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18414] <... futex resumed>) = 1 [pid 18413] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18411] <... futex resumed>) = 0 [pid 3611] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18417 [pid 3610] <... openat resumed>) = 3 [pid 18416] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18414] write(4, NULL, 126976 [pid 18411] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3610] ioctl(3, LOOP_CLR_FD [pid 18414] <... write resumed>) = -1 EFAULT (Bad address) [pid 18411] <... futex resumed>) = 0 [pid 18414] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18411] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3610] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18414] <... futex resumed>) = 0 [pid 18411] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3610] close(3 [pid 18414] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18411] exit_group(0 [pid 3610] <... close resumed>) = 0 [pid 18414] <... futex resumed>) = ? [pid 18411] <... exit_group resumed>) = ? [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18415] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18414] +++ exited with 0 +++ [pid 18411] +++ exited with 0 +++ [pid 3610] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18418 [pid 18415] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3612] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18411, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- ./strace-static-x86_64: Process 18417 attached [pid 18415] <... futex resumed>) = 1 [pid 18412] <... futex resumed>) = 0 [pid 3612] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 18418 attached [pid 18417] set_robust_list(0x55555697d6e0, 24 [pid 18416] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18415] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18412] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3612] <... restart_syscall resumed>) = 0 [pid 18418] set_robust_list(0x55555697d6e0, 24 [pid 18417] <... set_robust_list resumed>) = 0 [pid 18416] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18415] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18412] <... futex resumed>) = 0 [pid 18418] <... set_robust_list resumed>) = 0 [pid 18417] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18416] <... futex resumed>) = 1 [pid 18415] write(4, NULL, 126976 [pid 18413] <... futex resumed>) = 0 [pid 18412] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18418] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18417] <... prctl resumed>) = 0 [pid 18416] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18415] <... write resumed>) = -1 EFAULT (Bad address) [pid 18413] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3612] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 18418] <... prctl resumed>) = 0 [pid 18417] setpgid(0, 0 [pid 18416] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18415] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18413] <... futex resumed>) = 0 [pid 18418] setpgid(0, 0 [pid 18417] <... setpgid resumed>) = 0 [pid 18416] write(4, NULL, 126976 [pid 18415] <... futex resumed>) = 1 [pid 18413] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18412] <... futex resumed>) = 0 [pid 3612] <... openat resumed>) = 3 [pid 18418] <... setpgid resumed>) = 0 [pid 18417] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18416] <... write resumed>) = -1 EFAULT (Bad address) [pid 18415] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18418] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18417] <... openat resumed>) = 3 [pid 18416] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18412] exit_group(0 [pid 3612] ioctl(3, LOOP_CLR_FD [pid 18418] <... openat resumed>) = 3 [pid 18417] write(3, "1000", 4 [pid 18416] <... futex resumed>) = 1 [pid 18415] <... futex resumed>) = ? [pid 18413] <... futex resumed>) = 0 [pid 18412] <... exit_group resumed>) = ? [pid 18418] write(3, "1000", 4 [pid 18417] <... write resumed>) = 4 [pid 18416] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18415] +++ exited with 0 +++ [pid 18413] exit_group(0 [pid 3612] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18418] <... write resumed>) = 4 [pid 18417] close(3 [pid 18416] <... futex resumed>) = ? [pid 18413] <... exit_group resumed>) = ? [pid 18418] close(3 [pid 18417] <... close resumed>) = 0 [pid 18416] +++ exited with 0 +++ [pid 18412] +++ exited with 0 +++ [pid 3612] close(3 [pid 18418] <... close resumed>) = 0 [pid 18417] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18413] +++ exited with 0 +++ [pid 3612] <... close resumed>) = 0 [pid 18418] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18417] <... futex resumed>) = 0 [pid 3612] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18412, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18418] <... futex resumed>) = 0 [pid 18417] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18413, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18418] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18417] <... mmap resumed>) = 0x7fe89d140000 [pid 3613] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 18418] <... mmap resumed>) = 0x7fe89d140000 [pid 18417] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 3613] <... openat resumed>) = 3 [pid 3609] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 18418] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18417] <... mprotect resumed>) = 0 [pid 3613] ioctl(3, LOOP_CLR_FD [pid 3612] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18419 [pid 3609] <... openat resumed>) = 3 ./strace-static-x86_64: Process 18419 attached [pid 18418] <... mprotect resumed>) = 0 [pid 18417] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3613] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3609] ioctl(3, LOOP_CLR_FD [pid 18418] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3613] close(3 [pid 3609] <... ioctl resumed>) = -1 ENXIO (No such device or address) ./strace-static-x86_64: Process 18420 attached [pid 18419] set_robust_list(0x55555697d6e0, 24 [pid 18417] <... clone resumed>, parent_tid=[18420], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18420 [pid 3613] <... close resumed>) = 0 [pid 18420] set_robust_list(0x7fe89d1609e0, 24 [pid 18419] <... set_robust_list resumed>) = 0 [pid 18418] <... clone resumed>, parent_tid=[18421], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18421 [pid 18417] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3609] close(3 [pid 18420] <... set_robust_list resumed>) = 0 [pid 18419] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18418] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18417] <... futex resumed>) = 0 [pid 18420] mkdir("./file0", 0777 [pid 18419] <... prctl resumed>) = 0 [pid 18418] <... futex resumed>) = 0 [pid 18417] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 3609] <... close resumed>) = 0 [pid 18420] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18419] setpgid(0, 0 [pid 18418] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 3613] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18422 [pid 3609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18422 attached [pid 18420] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18419] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 18421 attached [pid 18422] set_robust_list(0x55555697d6e0, 24 [pid 18420] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18419] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18422] <... set_robust_list resumed>) = 0 [pid 18421] set_robust_list(0x7fe89d1609e0, 24 [pid 18420] <... futex resumed>) = 1 [pid 18419] <... openat resumed>) = 3 [pid 18417] <... futex resumed>) = 0 [pid 3609] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18423 [pid 18422] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18421] <... set_robust_list resumed>) = 0 [pid 18420] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18419] write(3, "1000", 4 [pid 18417] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 18423 attached [pid 18422] <... prctl resumed>) = 0 [pid 18421] mkdir("./file0", 0777 [pid 18420] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18419] <... write resumed>) = 4 [pid 18417] <... futex resumed>) = 0 [pid 18423] set_robust_list(0x55555697d6e0, 24 [pid 18422] setpgid(0, 0 [pid 18421] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18420] pipe2( [pid 18419] close(3 [pid 18421] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18420] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18419] <... close resumed>) = 0 [pid 18421] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18420] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18419] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18423] <... set_robust_list resumed>) = 0 [pid 18422] <... setpgid resumed>) = 0 [pid 18421] <... futex resumed>) = 1 [pid 18420] <... futex resumed>) = 0 [pid 18419] <... futex resumed>) = 0 [pid 18418] <... futex resumed>) = 0 [pid 18417] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18423] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18422] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18421] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18420] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18419] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18418] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18417] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18423] <... prctl resumed>) = 0 [pid 18422] <... openat resumed>) = 3 [pid 18421] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18419] <... mmap resumed>) = 0x7fe89d140000 [pid 18418] <... futex resumed>) = 0 [pid 18417] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18423] setpgid(0, 0 [pid 18422] write(3, "1000", 4 [pid 18421] pipe2( [pid 18420] <... futex resumed>) = 0 [pid 18419] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18418] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18417] <... futex resumed>) = 1 [pid 18423] <... setpgid resumed>) = 0 [pid 18422] <... write resumed>) = 4 [pid 18421] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18420] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18419] <... mprotect resumed>) = 0 [pid 18417] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18423] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18422] close(3 [pid 18421] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18423] <... openat resumed>) = 3 [pid 18422] <... close resumed>) = 0 [pid 18419] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18423] write(3, "1000", 4 [pid 18422] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18421] <... futex resumed>) = 1 [pid 18418] <... futex resumed>) = 0 [pid 18423] <... write resumed>) = 4 [pid 18422] <... futex resumed>) = 0 [pid 18423] close(3 [pid 18422] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18423] <... close resumed>) = 0 [pid 18422] <... mmap resumed>) = 0x7fe89d140000 [pid 18418] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18421] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18423] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18422] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18418] <... futex resumed>) = 0 [pid 18423] <... futex resumed>) = 0 [pid 18422] <... mprotect resumed>) = 0 [pid 18418] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18419] <... clone resumed>, parent_tid=[18424], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18424 [pid 18423] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18422] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18423] <... mmap resumed>) = 0x7fe89d140000 [pid 18423] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18422] <... clone resumed>, parent_tid=[18425], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18425 [pid 18419] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18423] <... mprotect resumed>) = 0 [pid 18422] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18423] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18422] <... futex resumed>) = 0 [pid 18419] <... futex resumed>) = 0 [pid 18422] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18419] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000}./strace-static-x86_64: Process 18424 attached [pid 18423] <... clone resumed>, parent_tid=[18426], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18426 [pid 18424] set_robust_list(0x7fe89d1609e0, 24 [pid 18423] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18424] <... set_robust_list resumed>) = 0 [pid 18423] <... futex resumed>) = 0 [pid 18420] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18424] mkdir("./file0", 0777 [pid 18423] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18420] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18424] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18424] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18420] <... futex resumed>) = 1 [pid 18417] <... futex resumed>) = 0 [pid 18421] <... mount resumed>) = -1 EFAULT (Bad address) ./strace-static-x86_64: Process 18426 attached [pid 18424] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18420] write(4, NULL, 126976 [pid 18421] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18417] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18426] set_robust_list(0x7fe89d1609e0, 24 [pid 18424] <... futex resumed>) = 1 [pid 18419] <... futex resumed>) = 0 [pid 18417] <... futex resumed>) = 0 [pid 18426] <... set_robust_list resumed>) = 0 [pid 18424] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18421] <... futex resumed>) = 1 [pid 18420] <... write resumed>) = -1 EFAULT (Bad address) [pid 18419] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18418] <... futex resumed>) = 0 [pid 18417] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18426] mkdir("./file0", 0777 [pid 18424] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18421] write(4, NULL, 126976 [pid 18420] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18419] <... futex resumed>) = 0 [pid 18418] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18417] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ./strace-static-x86_64: Process 18425 attached [pid 18426] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18424] pipe2( [pid 18421] <... write resumed>) = -1 EFAULT (Bad address) [pid 18420] <... futex resumed>) = 0 [pid 18419] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18418] <... futex resumed>) = 0 [pid 18417] exit_group(0 [pid 18426] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18425] set_robust_list(0x7fe89d1609e0, 24 [pid 18424] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18421] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18418] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18417] <... exit_group resumed>) = ? [pid 18426] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18424] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18421] <... futex resumed>) = 0 [pid 18418] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18426] <... futex resumed>) = 1 [pid 18424] <... futex resumed>) = 1 [pid 18423] <... futex resumed>) = 0 [pid 18426] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18424] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18423] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18426] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18423] <... futex resumed>) = 0 [pid 18426] pipe2( [pid 18423] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18421] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18425] <... set_robust_list resumed>) = 0 [pid 18420] +++ exited with 0 +++ [pid 18419] <... futex resumed>) = 0 [pid 18418] exit_group(0 [pid 18417] +++ exited with 0 +++ [pid 18426] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18421] <... futex resumed>) = ? [pid 18419] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18418] <... exit_group resumed>) = ? [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18417, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 18425] mkdir("./file0", 0777 [pid 18426] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18424] <... futex resumed>) = 0 [pid 18419] <... futex resumed>) = 1 [pid 18426] <... futex resumed>) = 1 [pid 18424] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18423] <... futex resumed>) = 0 [pid 18419] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3611] restart_syscall(<... resuming interrupted clone ...> [pid 18426] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18425] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18421] +++ exited with 0 +++ [pid 18418] +++ exited with 0 +++ [pid 3611] <... restart_syscall resumed>) = 0 [pid 18425] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18423] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18418, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 18425] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3611] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 18426] <... futex resumed>) = 0 [pid 18425] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18423] <... futex resumed>) = 1 [pid 18422] <... futex resumed>) = 0 [pid 3611] <... openat resumed>) = 3 [pid 3610] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 18426] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18423] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18422] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] ioctl(3, LOOP_CLR_FD [pid 3610] <... openat resumed>) = 3 [pid 18425] <... futex resumed>) = 0 [pid 18422] <... futex resumed>) = 1 [pid 3611] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3610] ioctl(3, LOOP_CLR_FD [pid 18425] pipe2( [pid 18422] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3611] close(3 [pid 3610] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18425] <... pipe2 resumed>[3, 4], 0) = 0 [pid 3611] <... close resumed>) = 0 [pid 3610] close(3 [pid 18425] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3610] <... close resumed>) = 0 [pid 18425] <... futex resumed>) = 1 [pid 18422] <... futex resumed>) = 0 [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18425] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18422] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18427 [pid 18425] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18422] <... futex resumed>) = 0 [pid 3610] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18428 [pid 18425] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18422] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 18428 attached [pid 18428] set_robust_list(0x55555697d6e0, 24) = 0 ./strace-static-x86_64: Process 18427 attached [pid 18424] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18427] set_robust_list(0x55555697d6e0, 24 [pid 18424] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18427] <... set_robust_list resumed>) = 0 [pid 18424] <... futex resumed>) = 1 [pid 18427] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18424] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18419] <... futex resumed>) = 0 [pid 18427] <... prctl resumed>) = 0 [pid 18419] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18427] setpgid(0, 0 [pid 18424] <... futex resumed>) = 0 [pid 18419] <... futex resumed>) = 1 [pid 18427] <... setpgid resumed>) = 0 [pid 18424] write(4, NULL, 126976 [pid 18419] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18427] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18424] <... write resumed>) = -1 EFAULT (Bad address) [pid 18427] <... openat resumed>) = 3 [pid 18426] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18424] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18427] write(3, "1000", 4 [pid 18426] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18424] <... futex resumed>) = 1 [pid 18419] <... futex resumed>) = 0 [pid 18427] <... write resumed>) = 4 [pid 18424] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18419] exit_group(0 [pid 18427] close(3 [pid 18426] <... futex resumed>) = 1 [pid 18424] <... futex resumed>) = ? [pid 18423] <... futex resumed>) = 0 [pid 18419] <... exit_group resumed>) = ? [pid 18427] <... close resumed>) = 0 [pid 18424] +++ exited with 0 +++ [pid 18423] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18427] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18423] <... futex resumed>) = 0 [pid 18427] <... futex resumed>) = 0 [pid 18423] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18427] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe89d140000 [pid 18419] +++ exited with 0 +++ [pid 18427] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 18426] write(4, NULL, 126976 [pid 18427] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3612] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18419, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18426] <... write resumed>) = -1 EFAULT (Bad address) [pid 3612] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 18427] <... clone resumed>, parent_tid=[18429], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18429 [pid 18427] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18426] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3612] <... openat resumed>) = 3 [pid 18427] <... futex resumed>) = 0 [pid 18426] <... futex resumed>) = 1 [pid 18423] <... futex resumed>) = 0 [pid 3612] ioctl(3, LOOP_CLR_FD [pid 18427] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18423] exit_group(0) = ? [pid 3612] <... ioctl resumed>) = -1 ENXIO (No such device or address) ./strace-static-x86_64: Process 18429 attached [pid 18428] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18426] +++ exited with 0 +++ [pid 18425] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18423] +++ exited with 0 +++ [pid 3612] close(3 [pid 18429] set_robust_list(0x7fe89d1609e0, 24 [pid 18428] <... prctl resumed>) = 0 [pid 18425] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3612] <... close resumed>) = 0 [pid 3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18423, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18425] <... futex resumed>) = 1 [pid 18422] <... futex resumed>) = 0 [pid 3612] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18428] setpgid(0, 0 [pid 18422] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3609] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 18428] <... setpgid resumed>) = 0 [pid 18425] write(4, NULL, 126976 [pid 18422] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3609] <... openat resumed>) = 3 [pid 18425] <... write resumed>) = -1 EFAULT (Bad address) [pid 3612] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18430 [pid 3609] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 18430 attached [pid 18428] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18425] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3609] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18425] <... futex resumed>) = 1 [pid 18422] <... futex resumed>) = 0 [pid 3609] close(3 [pid 18430] set_robust_list(0x55555697d6e0, 24 [pid 18429] <... set_robust_list resumed>) = 0 [pid 18428] <... openat resumed>) = 3 [pid 18425] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18422] exit_group(0 [pid 3609] <... close resumed>) = 0 [pid 18430] <... set_robust_list resumed>) = 0 [pid 18429] mkdir("./file0", 0777 [pid 18428] write(3, "1000", 4 [pid 18422] <... exit_group resumed>) = ? [pid 18425] <... futex resumed>) = ? [pid 3609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18430] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18429] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18428] <... write resumed>) = 4 [pid 18430] <... prctl resumed>) = 0 [pid 18429] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18428] close(3 [pid 18425] +++ exited with 0 +++ [pid 18422] +++ exited with 0 +++ [pid 18430] setpgid(0, 0 [pid 18429] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18428] <... close resumed>) = 0 [pid 3609] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18431 [pid 18430] <... setpgid resumed>) = 0 [pid 18429] <... futex resumed>) = 1 [pid 18428] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18427] <... futex resumed>) = 0 [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18422, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18429] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18428] <... futex resumed>) = 0 [pid 18427] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3613] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 18430] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18429] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18428] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18427] <... futex resumed>) = 0 [pid 3613] <... openat resumed>) = 3 [pid 18429] pipe2( [pid 18428] <... mmap resumed>) = 0x7fe89d140000 [pid 18427] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3613] ioctl(3, LOOP_CLR_FD [pid 18430] <... openat resumed>) = 3 [pid 18429] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18428] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 3613] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18430] write(3, "1000", 4 [pid 18429] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18428] <... mprotect resumed>) = 0 [pid 3613] close(3 [pid 18430] <... write resumed>) = 4 [pid 18429] <... futex resumed>) = 1 [pid 18428] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18427] <... futex resumed>) = 0 [pid 3613] <... close resumed>) = 0 [pid 18430] close(3 [pid 18429] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18427] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18430] <... close resumed>) = 0 [pid 18429] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18428] <... clone resumed>, parent_tid=[18432], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18432 [pid 18427] <... futex resumed>) = 0 [pid 18429] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18428] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18430] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18427] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3613] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18433 [pid 18428] <... futex resumed>) = 0 [pid 18428] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000}./strace-static-x86_64: Process 18432 attached [pid 18432] set_robust_list(0x7fe89d1609e0, 24) = 0 [pid 18432] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 18432] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18430] <... futex resumed>) = 0 [pid 18432] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18430] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 18433 attached [pid 18432] <... futex resumed>) = 1 [pid 18428] <... futex resumed>) = 0 [pid 18433] set_robust_list(0x55555697d6e0, 24 [pid 18432] pipe2( [pid 18430] <... mmap resumed>) = 0x7fe89d140000 [pid 18428] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18433] <... set_robust_list resumed>) = 0 [pid 18432] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18430] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18428] <... futex resumed>) = 0 ./strace-static-x86_64: Process 18431 attached [pid 18433] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18432] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18430] <... mprotect resumed>) = 0 [pid 18428] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18433] <... prctl resumed>) = 0 [pid 18432] <... futex resumed>) = 0 [pid 18428] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18433] setpgid(0, 0 [pid 18432] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18430] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18428] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18433] <... setpgid resumed>) = 0 [pid 18432] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18431] set_robust_list(0x55555697d6e0, 24 [pid 18428] <... futex resumed>) = 0 [pid 18433] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18432] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18428] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18433] <... openat resumed>) = 3 [pid 18433] write(3, "1000", 4) = 4 [pid 18433] close(3 [pid 18430] <... clone resumed>, parent_tid=[18434], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18434 [pid 18433] <... close resumed>) = 0 [pid 18431] <... set_robust_list resumed>) = 0 [pid 18430] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 18434 attached [pid 18433] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18430] <... futex resumed>) = 0 [pid 18433] <... futex resumed>) = 0 [pid 18431] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18430] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18433] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18431] <... prctl resumed>) = 0 [pid 18433] <... mmap resumed>) = 0x7fe89d140000 [pid 18433] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 18433] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18431] setpgid(0, 0 [pid 18434] set_robust_list(0x7fe89d1609e0, 24) = 0 [pid 18433] <... clone resumed>, parent_tid=[18435], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18435 [pid 18431] <... setpgid resumed>) = 0 [pid 18433] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 18431] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18434] mkdir("./file0", 0777 [pid 18433] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18431] <... openat resumed>) = 3 [pid 18434] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18431] write(3, "1000", 4./strace-static-x86_64: Process 18435 attached ) = 4 [pid 18435] set_robust_list(0x7fe89d1609e0, 24 [pid 18434] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18431] close(3 [pid 18429] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18434] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18431] <... close resumed>) = 0 [pid 18429] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18434] <... futex resumed>) = 1 [pid 18431] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18430] <... futex resumed>) = 0 [pid 18429] <... futex resumed>) = 1 [pid 18427] <... futex resumed>) = 0 [pid 18434] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18431] <... futex resumed>) = 0 [pid 18430] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18429] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18434] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18431] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18430] <... futex resumed>) = 0 [pid 18434] pipe2( [pid 18431] <... mmap resumed>) = 0x7fe89d140000 [pid 18430] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18435] <... set_robust_list resumed>) = 0 [pid 18434] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18431] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18427] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18435] mkdir("./file0", 0777 [pid 18434] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18432] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18431] <... mprotect resumed>) = 0 [pid 18429] <... futex resumed>) = 0 [pid 18427] <... futex resumed>) = 1 [pid 18435] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18434] <... futex resumed>) = 1 [pid 18432] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18431] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18430] <... futex resumed>) = 0 [pid 18429] write(4, NULL, 126976 [pid 18427] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18435] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18434] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18432] <... futex resumed>) = 1 [pid 18430] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18429] <... write resumed>) = -1 EFAULT (Bad address) [pid 18428] <... futex resumed>) = 0 [pid 18434] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18432] write(4, NULL, 126976 [pid 18431] <... clone resumed>, parent_tid=[18436], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18436 [pid 18430] <... futex resumed>) = 0 [pid 18429] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18435] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18428] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18435] <... futex resumed>) = 1 [pid 18434] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18433] <... futex resumed>) = 0 [pid 18432] <... write resumed>) = -1 EFAULT (Bad address) [pid 18431] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18430] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18429] <... futex resumed>) = 1 [pid 18428] <... futex resumed>) = 0 [pid 18427] <... futex resumed>) = 0 ./strace-static-x86_64: Process 18436 attached [pid 18435] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18433] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18432] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18431] <... futex resumed>) = 0 [pid 18429] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18428] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18427] exit_group(0 [pid 18436] set_robust_list(0x7fe89d1609e0, 24 [pid 18435] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18433] <... futex resumed>) = 0 [pid 18432] <... futex resumed>) = 0 [pid 18431] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18429] <... futex resumed>) = ? [pid 18428] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18427] <... exit_group resumed>) = ? [pid 18436] <... set_robust_list resumed>) = 0 [pid 18435] pipe2( [pid 18433] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18432] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18429] +++ exited with 0 +++ [pid 18428] exit_group(0 [pid 18427] +++ exited with 0 +++ [pid 18436] mkdir("./file0", 0777 [pid 18435] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18434] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18432] <... futex resumed>) = ? [pid 18428] <... exit_group resumed>) = ? [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18427, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18436] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18435] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18434] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18432] +++ exited with 0 +++ [pid 18428] +++ exited with 0 +++ [pid 18436] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18435] <... futex resumed>) = 1 [pid 18434] <... futex resumed>) = 1 [pid 18433] <... futex resumed>) = 0 [pid 18430] <... futex resumed>) = 0 [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18428, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18436] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18435] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18434] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18433] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18430] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 18436] <... futex resumed>) = 1 [pid 18435] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18434] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18433] <... futex resumed>) = 0 [pid 18431] <... futex resumed>) = 0 [pid 18430] <... futex resumed>) = 0 [pid 18436] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18435] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18434] write(4, NULL, 126976 [pid 18433] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18431] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18430] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3611] <... openat resumed>) = 3 [pid 18436] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18434] <... write resumed>) = -1 EFAULT (Bad address) [pid 18431] <... futex resumed>) = 0 [pid 3611] ioctl(3, LOOP_CLR_FD [pid 18436] pipe2( [pid 18434] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18431] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3611] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18434] <... futex resumed>) = 1 [pid 18430] <... futex resumed>) = 0 [pid 3611] close(3 [pid 18434] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18430] exit_group(0 [pid 3611] <... close resumed>) = 0 [pid 18436] <... pipe2 resumed>[3, 4], 0) = 0 [pid 3610] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 18436] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18434] <... futex resumed>) = ? [pid 18430] <... exit_group resumed>) = ? [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3610] <... openat resumed>) = 3 [pid 18436] <... futex resumed>) = 1 [pid 18434] +++ exited with 0 +++ [pid 18431] <... futex resumed>) = 0 [pid 18430] +++ exited with 0 +++ [pid 3610] ioctl(3, LOOP_CLR_FD [pid 18436] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18431] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18437 [pid 3610] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18431] <... futex resumed>) = 0 [pid 3612] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18430, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3610] close(3 [pid 18431] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3612] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3610] <... close resumed>) = 0 [pid 3612] <... openat resumed>) = 3 [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3612] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 3610] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18438 [pid 3612] close(3) = 0 [pid 3612] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555697d6d0) = 18439 ./strace-static-x86_64: Process 18438 attached [pid 18438] set_robust_list(0x55555697d6e0, 24./strace-static-x86_64: Process 18439 attached ) = 0 [pid 18439] set_robust_list(0x55555697d6e0, 24 [pid 18438] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 18437 attached [pid 18439] <... set_robust_list resumed>) = 0 [pid 18438] <... prctl resumed>) = 0 [pid 18436] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18435] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18439] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18438] setpgid(0, 0 [pid 18437] set_robust_list(0x55555697d6e0, 24 [pid 18436] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18435] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18439] <... prctl resumed>) = 0 [pid 18438] <... setpgid resumed>) = 0 [pid 18437] <... set_robust_list resumed>) = 0 [pid 18436] <... futex resumed>) = 1 [pid 18435] <... futex resumed>) = 1 [pid 18433] <... futex resumed>) = 0 [pid 18431] <... futex resumed>) = 0 [pid 18439] setpgid(0, 0 [pid 18438] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18437] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18436] write(4, NULL, 126976 [pid 18435] write(4, NULL, 126976 [pid 18433] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18431] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18439] <... setpgid resumed>) = 0 [pid 18438] <... openat resumed>) = 3 [pid 18437] <... prctl resumed>) = 0 [pid 18436] <... write resumed>) = -1 EFAULT (Bad address) [pid 18435] <... write resumed>) = -1 EFAULT (Bad address) [pid 18433] <... futex resumed>) = 0 [pid 18431] <... futex resumed>) = 0 [pid 18439] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18438] write(3, "1000", 4 [pid 18437] setpgid(0, 0 [pid 18436] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18435] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18433] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18431] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18439] <... openat resumed>) = 3 [pid 18438] <... write resumed>) = 4 [pid 18437] <... setpgid resumed>) = 0 [pid 18436] <... futex resumed>) = 0 [pid 18435] <... futex resumed>) = 0 [pid 18433] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18431] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18439] write(3, "1000", 4 [pid 18438] close(3 [pid 18437] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18436] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18435] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18433] exit_group(0 [pid 18431] exit_group(0 [pid 18439] <... write resumed>) = 4 [pid 18438] <... close resumed>) = 0 [pid 18437] <... openat resumed>) = 3 [pid 18436] <... futex resumed>) = ? [pid 18435] <... futex resumed>) = ? [pid 18433] <... exit_group resumed>) = ? [pid 18431] <... exit_group resumed>) = ? [pid 18439] close(3 [pid 18438] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18437] write(3, "1000", 4 [pid 18436] +++ exited with 0 +++ [pid 18439] <... close resumed>) = 0 [pid 18438] <... futex resumed>) = 0 [pid 18431] +++ exited with 0 +++ [pid 18439] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18438] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18437] <... write resumed>) = 4 [pid 18435] +++ exited with 0 +++ [pid 18433] +++ exited with 0 +++ [pid 18439] <... futex resumed>) = 0 [pid 18438] <... mmap resumed>) = 0x7fe89d140000 [pid 18437] close(3 [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18433, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 18439] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18438] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18437] <... close resumed>) = 0 [pid 3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18431, si_uid=0, si_status=0, si_utime=1, si_stime=2} --- [pid 18439] <... mmap resumed>) = 0x7fe89d140000 [pid 18438] <... mprotect resumed>) = 0 [pid 3609] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 18439] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18438] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18437] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18439] <... mprotect resumed>) = 0 [pid 3609] <... openat resumed>) = 3 ./strace-static-x86_64: Process 18440 attached [pid 18439] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18438] <... clone resumed>, parent_tid=[18440], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18440 [pid 18437] <... futex resumed>) = 0 [pid 3609] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 18441 attached [pid 18440] set_robust_list(0x7fe89d1609e0, 24 [pid 18438] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18437] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18439] <... clone resumed>, parent_tid=[18441], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18441 [pid 18438] <... futex resumed>) = 0 [pid 3613] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 18437] <... mmap resumed>) = 0x7fe89d140000 [pid 18440] <... set_robust_list resumed>) = 0 [pid 18441] set_robust_list(0x7fe89d1609e0, 24 [pid 3609] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18439] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18438] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18437] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 3613] <... openat resumed>) = 3 [pid 3609] close(3 [pid 18440] mkdir("./file0", 0777 [pid 18439] <... futex resumed>) = 0 [pid 18437] <... mprotect resumed>) = 0 [pid 3613] ioctl(3, LOOP_CLR_FD [pid 3609] <... close resumed>) = 0 [pid 18439] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 3613] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3613] close(3) = 0 [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555697d6d0) = 18442 ./strace-static-x86_64: Process 18442 attached [pid 18442] set_robust_list(0x55555697d6e0, 24 [pid 18440] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18437] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18440] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18442] <... set_robust_list resumed>) = 0 [pid 18442] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18440] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18437] <... clone resumed>, parent_tid=[18443], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18443 [pid 18440] <... futex resumed>) = 1 [pid 18438] <... futex resumed>) = 0 [pid 18437] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3609] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18444 [pid 18442] <... prctl resumed>) = 0 [pid 18440] pipe2( [pid 18438] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18437] <... futex resumed>) = 0 [pid 18442] setpgid(0, 0 [pid 18440] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18438] <... futex resumed>) = 0 [pid 18437] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000}./strace-static-x86_64: Process 18444 attached [pid 18442] <... setpgid resumed>) = 0 [pid 18441] <... set_robust_list resumed>) = 0 [pid 18440] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18438] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18444] set_robust_list(0x55555697d6e0, 24 [pid 18442] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18441] mkdir("./file0", 0777 [pid 18440] <... futex resumed>) = 0 [pid 18438] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18444] <... set_robust_list resumed>) = 0 [pid 18442] <... openat resumed>) = 3 [pid 18440] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18438] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 18443 attached [pid 18444] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18442] write(3, "1000", 4 [pid 18441] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18440] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18438] <... futex resumed>) = 0 [pid 18444] <... prctl resumed>) = 0 [pid 18442] <... write resumed>) = 4 [pid 18441] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18440] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18438] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18444] setpgid(0, 0 [pid 18443] set_robust_list(0x7fe89d1609e0, 24 [pid 18442] close(3 [pid 18441] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18444] <... setpgid resumed>) = 0 [pid 18442] <... close resumed>) = 0 [pid 18444] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18442] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18444] <... openat resumed>) = 3 [pid 18442] <... futex resumed>) = 0 [pid 18444] write(3, "1000", 4 [pid 18442] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18444] <... write resumed>) = 4 [pid 18442] <... mmap resumed>) = 0x7fe89d140000 [pid 18444] close(3 [pid 18443] <... set_robust_list resumed>) = 0 [pid 18442] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18441] <... futex resumed>) = 1 [pid 18439] <... futex resumed>) = 0 [pid 18444] <... close resumed>) = 0 [pid 18442] <... mprotect resumed>) = 0 [pid 18439] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18444] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18442] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18439] <... futex resumed>) = 0 [pid 18444] <... futex resumed>) = 0 [pid 18439] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18444] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18442] <... clone resumed>, parent_tid=[18445], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18445 [pid 18444] <... mmap resumed>) = 0x7fe89d140000 [pid 18442] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18444] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18442] <... futex resumed>) = 0 [pid 18444] <... mprotect resumed>) = 0 [pid 18442] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18441] pipe2(./strace-static-x86_64: Process 18445 attached [pid 18444] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18445] set_robust_list(0x7fe89d1609e0, 24 [pid 18441] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18445] <... set_robust_list resumed>) = 0 [pid 18444] <... clone resumed>, parent_tid=[18446], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18446 [pid 18443] mkdir("./file0", 0777 [pid 18441] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18445] mkdir("./file0", 0777 [pid 18444] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18439] <... futex resumed>) = 0 [pid 18445] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18444] <... futex resumed>) = 0 [pid 18443] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18441] <... futex resumed>) = 1 [pid 18439] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 18446 attached [pid 18445] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18444] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18443] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18441] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18440] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18439] <... futex resumed>) = 0 [pid 18446] set_robust_list(0x7fe89d1609e0, 24 [pid 18445] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18439] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18446] <... set_robust_list resumed>) = 0 [pid 18445] <... futex resumed>) = 1 [pid 18442] <... futex resumed>) = 0 [pid 18446] mkdir("./file0", 0777 [pid 18445] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18442] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18446] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18445] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18442] <... futex resumed>) = 0 [pid 18446] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18445] pipe2( [pid 18443] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18442] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18440] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18446] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18445] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18443] <... futex resumed>) = 1 [pid 18437] <... futex resumed>) = 0 [pid 18446] <... futex resumed>) = 1 [pid 18445] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18444] <... futex resumed>) = 0 [pid 18443] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18440] <... futex resumed>) = 1 [pid 18438] <... futex resumed>) = 0 [pid 18437] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18443] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18440] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18437] <... futex resumed>) = 0 [pid 18443] pipe2( [pid 18437] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18443] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18446] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18445] <... futex resumed>) = 1 [pid 18444] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18443] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18442] <... futex resumed>) = 0 [pid 18438] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18446] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18445] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18444] <... futex resumed>) = 0 [pid 18443] <... futex resumed>) = 1 [pid 18442] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18440] <... futex resumed>) = 0 [pid 18438] <... futex resumed>) = 1 [pid 18437] <... futex resumed>) = 0 [pid 18446] pipe2( [pid 18445] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18444] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18443] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18442] <... futex resumed>) = 0 [pid 18440] write(4, NULL, 126976 [pid 18438] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18437] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18446] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18445] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18443] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18442] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18440] <... write resumed>) = -1 EFAULT (Bad address) [pid 18437] <... futex resumed>) = 0 [pid 18446] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18437] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18446] <... futex resumed>) = 1 [pid 18444] <... futex resumed>) = 0 [pid 18443] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18440] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18446] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18444] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18446] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18444] <... futex resumed>) = 0 [pid 18440] <... futex resumed>) = 1 [pid 18438] <... futex resumed>) = 0 [pid 18446] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18444] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18438] exit_group(0) = ? [pid 18440] +++ exited with 0 +++ [pid 18438] +++ exited with 0 +++ [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18438, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3610] openat(AT_FDCWD, "/dev/loop1", 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 18447 attached [pid 18441] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18441] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3610] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18447 [pid 18441] <... futex resumed>) = 1 [pid 18439] <... futex resumed>) = 0 [pid 18441] write(4, NULL, 126976 [pid 18439] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18441] <... write resumed>) = -1 EFAULT (Bad address) [pid 18439] <... futex resumed>) = 0 [pid 18441] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18439] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18443] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18441] <... futex resumed>) = 0 [pid 18439] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18443] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18447] set_robust_list(0x55555697d6e0, 24 [pid 18446] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18445] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18441] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18439] exit_group(0 [pid 18447] <... set_robust_list resumed>) = 0 [pid 18446] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18445] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18443] <... futex resumed>) = 1 [pid 18441] <... futex resumed>) = ? [pid 18439] <... exit_group resumed>) = ? [pid 18437] <... futex resumed>) = 0 [pid 18447] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18446] <... futex resumed>) = 1 [pid 18445] <... futex resumed>) = 1 [pid 18444] <... futex resumed>) = 0 [pid 18442] <... futex resumed>) = 0 [pid 18437] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18447] <... prctl resumed>) = 0 [pid 18446] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18445] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18444] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18443] write(4, NULL, 126976 [pid 18442] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18441] +++ exited with 0 +++ [pid 18439] +++ exited with 0 +++ [pid 18437] <... futex resumed>) = 0 [pid 18447] setpgid(0, 0 [pid 18446] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18445] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18444] <... futex resumed>) = 0 [pid 18443] <... write resumed>) = -1 EFAULT (Bad address) [pid 18442] <... futex resumed>) = 0 [pid 18437] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18447] <... setpgid resumed>) = 0 [pid 18446] write(4, NULL, 126976 [pid 18445] write(4, NULL, 126976 [pid 18444] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18443] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18442] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18437] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3612] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18439, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18447] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18446] <... write resumed>) = -1 EFAULT (Bad address) [pid 18445] <... write resumed>) = -1 EFAULT (Bad address) [pid 18443] <... futex resumed>) = 0 [pid 18437] exit_group(0 [pid 3612] restart_syscall(<... resuming interrupted clone ...> [pid 18447] <... openat resumed>) = 3 [pid 18446] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18445] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18437] <... exit_group resumed>) = ? [pid 3612] <... restart_syscall resumed>) = 0 [pid 18447] write(3, "1000", 4 [pid 18446] <... futex resumed>) = 1 [pid 18445] <... futex resumed>) = 1 [pid 18444] <... futex resumed>) = 0 [pid 18442] <... futex resumed>) = 0 [pid 18447] <... write resumed>) = 4 [pid 18446] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18445] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18444] exit_group(0 [pid 18443] +++ exited with 0 +++ [pid 18442] exit_group(0 [pid 18437] +++ exited with 0 +++ [pid 18447] close(3 [pid 18446] <... futex resumed>) = ? [pid 18445] <... futex resumed>) = ? [pid 18444] <... exit_group resumed>) = ? [pid 18442] <... exit_group resumed>) = ? [pid 3612] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18437, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18447] <... close resumed>) = 0 [pid 18446] +++ exited with 0 +++ [pid 18445] +++ exited with 0 +++ [pid 18444] +++ exited with 0 +++ [pid 18442] +++ exited with 0 +++ [pid 3612] <... openat resumed>) = 3 [pid 3611] restart_syscall(<... resuming interrupted clone ...> [pid 18447] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3612] ioctl(3, LOOP_CLR_FD [pid 3611] <... restart_syscall resumed>) = 0 [pid 18447] <... futex resumed>) = 0 [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18442, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3612] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18444, si_uid=0, si_status=0, si_utime=1, si_stime=0} --- [pid 18447] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3613] restart_syscall(<... resuming interrupted clone ...> [pid 3612] close(3 [pid 3609] restart_syscall(<... resuming interrupted clone ...> [pid 18447] <... mmap resumed>) = 0x7fe89d140000 [pid 3613] <... restart_syscall resumed>) = 0 [pid 3612] <... close resumed>) = 0 [pid 3609] <... restart_syscall resumed>) = 0 [pid 18447] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 3612] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3611] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 18447] <... mprotect resumed>) = 0 [pid 18447] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3609] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 3613] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 3611] <... openat resumed>) = 3 [pid 3609] <... openat resumed>) = 3 [pid 18447] <... clone resumed>, parent_tid=[18449], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18449 [pid 3609] ioctl(3, LOOP_CLR_FD [pid 18447] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3613] <... openat resumed>) = 3 [pid 3612] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18448 [pid 3611] ioctl(3, LOOP_CLR_FD [pid 3609] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18447] <... futex resumed>) = 0 [pid 3613] ioctl(3, LOOP_CLR_FD [pid 3611] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3609] close(3 [pid 18447] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 3613] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3611] close(3 [pid 3609] <... close resumed>) = 0 [pid 3609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555697d6d0) = 18450 ./strace-static-x86_64: Process 18449 attached [pid 18449] set_robust_list(0x7fe89d1609e0, 24) = 0 [pid 18449] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 18449] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18449] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18447] <... futex resumed>) = 0 [pid 18447] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 18447] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3613] close(3 [pid 3611] <... close resumed>) = 0 [pid 3613] <... close resumed>) = 0 [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18449] <... futex resumed>) = 1 [pid 18449] pipe2([3, 4], 0) = 0 [pid 18449] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 18447] <... futex resumed>) = 0 [pid 18449] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18447] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3611] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18451 [pid 18447] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3613] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18452 ./strace-static-x86_64: Process 18451 attached [pid 18451] set_robust_list(0x55555697d6e0, 24) = 0 [pid 18451] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 18448 attached ) = 0 [pid 18451] setpgid(0, 0 [pid 18448] set_robust_list(0x55555697d6e0, 24 [pid 18451] <... setpgid resumed>) = 0 [pid 18448] <... set_robust_list resumed>) = 0 [pid 18451] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18448] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 18452 attached [pid 18451] <... openat resumed>) = 3 [pid 18448] <... prctl resumed>) = 0 [pid 18452] set_robust_list(0x55555697d6e0, 24 [pid 18451] write(3, "1000", 4) = 4 [pid 18452] <... set_robust_list resumed>) = 0 [pid 18451] close(3 [pid 18448] setpgid(0, 0 [pid 18451] <... close resumed>) = 0 [pid 18448] <... setpgid resumed>) = 0 [pid 18452] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18451] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 18452] <... prctl resumed>) = 0 [pid 18451] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18448] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18451] <... mmap resumed>) = 0x7fe89d140000 [pid 18451] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 18452] setpgid(0, 0 [pid 18451] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18448] <... openat resumed>) = 3 [pid 18452] <... setpgid resumed>) = 0 [pid 18451] <... clone resumed>, parent_tid=[18453], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18453 [pid 18448] write(3, "1000", 4./strace-static-x86_64: Process 18450 attached [pid 18451] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18452] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18451] <... futex resumed>) = 0 [pid 18448] <... write resumed>) = 4 [pid 18451] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18448] close(3./strace-static-x86_64: Process 18453 attached ) = 0 [pid 18453] set_robust_list(0x7fe89d1609e0, 24 [pid 18452] <... openat resumed>) = 3 [pid 18448] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18450] set_robust_list(0x55555697d6e0, 24 [pid 18452] write(3, "1000", 4 [pid 18450] <... set_robust_list resumed>) = 0 [pid 18448] <... futex resumed>) = 0 [pid 18448] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18452] <... write resumed>) = 4 [pid 18448] <... mmap resumed>) = 0x7fe89d140000 [pid 18452] close(3) = 0 [pid 18448] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18450] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18453] <... set_robust_list resumed>) = 0 [pid 18448] <... mprotect resumed>) = 0 [pid 18452] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18450] <... prctl resumed>) = 0 [pid 18453] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 18453] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18452] <... futex resumed>) = 0 [pid 18448] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18450] setpgid(0, 0./strace-static-x86_64: Process 18454 attached [pid 18453] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18452] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18450] <... setpgid resumed>) = 0 [pid 18449] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18454] set_robust_list(0x7fe89d1609e0, 24 [pid 18453] <... futex resumed>) = 1 [pid 18452] <... mmap resumed>) = 0x7fe89d140000 [pid 18451] <... futex resumed>) = 0 [pid 18450] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18449] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18448] <... clone resumed>, parent_tid=[18454], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18454 [pid 18454] <... set_robust_list resumed>) = 0 [pid 18453] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18452] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18451] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18450] <... openat resumed>) = 3 [pid 18449] <... futex resumed>) = 1 [pid 18448] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18447] <... futex resumed>) = 0 [pid 18454] mkdir("./file0", 0777 [pid 18453] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18452] <... mprotect resumed>) = 0 [pid 18451] <... futex resumed>) = 0 [pid 18450] write(3, "1000", 4 [pid 18449] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18448] <... futex resumed>) = 0 [pid 18447] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18454] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18453] pipe2( [pid 18452] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18451] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18450] <... write resumed>) = 4 [pid 18448] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18454] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18453] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18450] close(3 [pid 18449] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18447] <... futex resumed>) = 0 [pid 18454] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18453] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18452] <... clone resumed>, parent_tid=[18455], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18455 [pid 18450] <... close resumed>) = 0 [pid 18449] write(4, NULL, 126976 [pid 18447] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18454] <... futex resumed>) = 1 [pid 18453] <... futex resumed>) = 1 [pid 18452] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18451] <... futex resumed>) = 0 [pid 18450] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18449] <... write resumed>) = -1 EFAULT (Bad address) [pid 18448] <... futex resumed>) = 0 [pid 18454] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18453] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18452] <... futex resumed>) = 0 [pid 18451] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18450] <... futex resumed>) = 0 [pid 18449] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18448] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18454] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18453] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18452] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18451] <... futex resumed>) = 0 [pid 18450] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18449] <... futex resumed>) = 1 [pid 18448] <... futex resumed>) = 0 [pid 18447] <... futex resumed>) = 0 [pid 18454] pipe2( [pid 18453] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18451] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18450] <... mmap resumed>) = 0x7fe89d140000 [pid 18449] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18448] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18447] exit_group(0./strace-static-x86_64: Process 18455 attached [pid 18454] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18450] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18454] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18450] <... mprotect resumed>) = 0 [pid 18449] <... futex resumed>) = ? [pid 18447] <... exit_group resumed>) = ? [pid 18454] <... futex resumed>) = 1 [pid 18450] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18449] +++ exited with 0 +++ [pid 18448] <... futex resumed>) = 0 [pid 18454] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18448] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18447] +++ exited with 0 +++ [pid 18450] <... clone resumed>, parent_tid=[18456], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18456 [pid 18448] <... futex resumed>) = 0 [pid 18450] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18448] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18447, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18450] <... futex resumed>) = 0 [pid 3610] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 18450] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 3610] <... openat resumed>) = 3 [pid 3610] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 18454] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3610] close(3./strace-static-x86_64: Process 18456 attached ) = 0 [pid 18456] set_robust_list(0x7fe89d1609e0, 24 [pid 18455] set_robust_list(0x7fe89d1609e0, 24 [pid 18454] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18456] <... set_robust_list resumed>) = 0 [pid 18455] <... set_robust_list resumed>) = 0 [pid 18456] mkdir("./file0", 0777 [pid 18455] mkdir("./file0", 0777 [pid 3610] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18457 [pid 18456] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18455] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18456] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18456] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 18455] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18453] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18450] <... futex resumed>) = 0 [pid 18456] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18455] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18453] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18450] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18456] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18455] <... futex resumed>) = 1 [pid 18453] <... futex resumed>) = 1 [pid 18452] <... futex resumed>) = 0 [pid 18451] <... futex resumed>) = 0 [pid 18450] <... futex resumed>) = 0 ./strace-static-x86_64: Process 18457 attached [pid 18456] pipe2( [pid 18455] pipe2( [pid 18453] write(4, NULL, 126976 [pid 18452] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18451] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18450] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18457] set_robust_list(0x55555697d6e0, 24 [pid 18456] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18455] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18453] <... write resumed>) = -1 EFAULT (Bad address) [pid 18452] <... futex resumed>) = 0 [pid 18451] <... futex resumed>) = 0 [pid 18457] <... set_robust_list resumed>) = 0 [pid 18456] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18455] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18453] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18452] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18451] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18457] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18456] <... futex resumed>) = 1 [pid 18453] <... futex resumed>) = 0 [pid 18455] <... futex resumed>) = 0 [pid 18452] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18451] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18450] <... futex resumed>) = 0 [pid 18457] <... prctl resumed>) = 0 [pid 18456] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18455] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18454] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18453] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18452] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18451] exit_group(0 [pid 18450] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18457] setpgid(0, 0 [pid 18456] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18455] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18454] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18453] <... futex resumed>) = ? [pid 18452] <... futex resumed>) = 0 [pid 18451] <... exit_group resumed>) = ? [pid 18450] <... futex resumed>) = 0 [pid 18457] <... setpgid resumed>) = 0 [pid 18456] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18455] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18454] <... futex resumed>) = 1 [pid 18453] +++ exited with 0 +++ [pid 18452] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18450] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18448] <... futex resumed>) = 0 [pid 18457] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18454] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18451] +++ exited with 0 +++ [pid 18448] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18454] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18457] <... openat resumed>) = 3 [pid 18454] write(4, NULL, 126976 [pid 18448] <... futex resumed>) = 0 [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18451, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18457] write(3, "1000", 4 [pid 18454] <... write resumed>) = -1 EFAULT (Bad address) [pid 18454] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18448] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18457] <... write resumed>) = 4 [pid 18454] <... futex resumed>) = 0 [pid 18448] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18457] close(3 [pid 18456] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18454] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18448] exit_group(0 [pid 18457] <... close resumed>) = 0 [pid 18456] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18455] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18454] <... futex resumed>) = ? [pid 18448] <... exit_group resumed>) = ? [pid 3611] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 18457] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18456] <... futex resumed>) = 1 [pid 18455] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18454] +++ exited with 0 +++ [pid 18450] <... futex resumed>) = 0 [pid 18457] <... futex resumed>) = 0 [pid 18456] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18455] <... futex resumed>) = 1 [pid 18452] <... futex resumed>) = 0 [pid 18450] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18448] +++ exited with 0 +++ [pid 3611] <... openat resumed>) = 3 [pid 18457] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18456] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18455] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18452] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18450] <... futex resumed>) = 0 [pid 18457] <... mmap resumed>) = 0x7fe89d140000 [pid 18456] write(4, NULL, 126976 [pid 18455] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18452] <... futex resumed>) = 0 [pid 18450] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3611] ioctl(3, LOOP_CLR_FD [pid 18457] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18456] <... write resumed>) = -1 EFAULT (Bad address) [pid 18455] write(4, NULL, 126976 [pid 18452] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3612] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18448, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3611] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18457] <... mprotect resumed>) = 0 [pid 18456] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18455] <... write resumed>) = -1 EFAULT (Bad address) [pid 3612] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3611] close(3 [pid 18457] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18456] <... futex resumed>) = 1 [pid 18455] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18450] <... futex resumed>) = 0 [pid 3612] <... openat resumed>) = 3 [pid 18456] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18455] <... futex resumed>) = 1 [pid 18452] <... futex resumed>) = 0 [pid 18450] exit_group(0 [pid 3612] ioctl(3, LOOP_CLR_FD [pid 3611] <... close resumed>) = 0 [pid 18457] <... clone resumed>, parent_tid=[18458], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18458 [pid 18456] <... futex resumed>) = ? [pid 18455] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18452] exit_group(0 [pid 18450] <... exit_group resumed>) = ? [pid 3612] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18457] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18456] +++ exited with 0 +++ [pid 18455] <... futex resumed>) = ? [pid 18452] <... exit_group resumed>) = ? [pid 18455] +++ exited with 0 +++ [pid 18452] +++ exited with 0 +++ [pid 18450] +++ exited with 0 +++ [pid 3612] close(3 [pid 18457] <... futex resumed>) = 0 [pid 18457] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 3612] <... close resumed>) = 0 [pid 3611] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18459 [pid 3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18450, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18452, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3612] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3609] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 3613] restart_syscall(<... resuming interrupted clone ...> [pid 3609] <... openat resumed>) = 3 ./strace-static-x86_64: Process 18458 attached [pid 3609] ioctl(3, LOOP_CLR_FD [pid 18458] set_robust_list(0x7fe89d1609e0, 24 [pid 3609] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18458] <... set_robust_list resumed>) = 0 [pid 3613] <... restart_syscall resumed>) = 0 [pid 3609] close(3./strace-static-x86_64: Process 18460 attached ./strace-static-x86_64: Process 18459 attached [pid 3612] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18460 [pid 3609] <... close resumed>) = 0 [pid 18460] set_robust_list(0x55555697d6e0, 24 [pid 18459] set_robust_list(0x55555697d6e0, 24 [pid 18460] <... set_robust_list resumed>) = 0 [pid 18459] <... set_robust_list resumed>) = 0 [pid 3613] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 18460] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18459] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3613] <... openat resumed>) = 3 [pid 18460] <... prctl resumed>) = 0 [pid 18459] <... prctl resumed>) = 0 [pid 3613] ioctl(3, LOOP_CLR_FD [pid 18460] setpgid(0, 0 [pid 18459] setpgid(0, 0 [pid 3613] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18460] <... setpgid resumed>) = 0 [pid 18459] <... setpgid resumed>) = 0 [pid 3613] close(3 [pid 18460] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18459] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3613] <... close resumed>) = 0 [pid 18460] <... openat resumed>) = 3 [pid 18459] <... openat resumed>) = 3 [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18460] write(3, "1000", 4 [pid 18459] write(3, "1000", 4./strace-static-x86_64: Process 18461 attached [pid 18460] <... write resumed>) = 4 [pid 18459] <... write resumed>) = 4 [pid 18458] mkdir("./file0", 0777 [pid 3613] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18461 [pid 3609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18461] set_robust_list(0x55555697d6e0, 24 [pid 18460] close(3 [pid 18459] close(3 [pid 18458] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18461] <... set_robust_list resumed>) = 0 [pid 18460] <... close resumed>) = 0 [pid 18459] <... close resumed>) = 0 [pid 18458] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18461] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18460] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18459] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18458] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3609] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18462 [pid 18461] <... prctl resumed>) = 0 [pid 18460] <... futex resumed>) = 0 [pid 18459] <... futex resumed>) = 0 [pid 18458] <... futex resumed>) = 1 [pid 18457] <... futex resumed>) = 0 ./strace-static-x86_64: Process 18462 attached [pid 18461] setpgid(0, 0 [pid 18460] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18459] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18458] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18457] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18462] set_robust_list(0x55555697d6e0, 24 [pid 18461] <... setpgid resumed>) = 0 [pid 18460] <... mmap resumed>) = 0x7fe89d140000 [pid 18459] <... mmap resumed>) = 0x7fe89d140000 [pid 18458] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18457] <... futex resumed>) = 0 [pid 18462] <... set_robust_list resumed>) = 0 [pid 18461] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18460] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18459] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18458] pipe2( [pid 18457] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18462] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18461] <... openat resumed>) = 3 [pid 18460] <... mprotect resumed>) = 0 [pid 18459] <... mprotect resumed>) = 0 [pid 18458] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18460] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18459] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18461] write(3, "1000", 4 [pid 18462] <... prctl resumed>) = 0 [pid 18461] <... write resumed>) = 4 [pid 18458] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18462] setpgid(0, 0 [pid 18461] close(3 [pid 18460] <... clone resumed>, parent_tid=[18463], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18463 [pid 18459] <... clone resumed>, parent_tid=[18464], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18464 [pid 18458] <... futex resumed>) = 1 [pid 18457] <... futex resumed>) = 0 [pid 18462] <... setpgid resumed>) = 0 [pid 18461] <... close resumed>) = 0 [pid 18460] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18459] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18458] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18457] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 18464 attached ./strace-static-x86_64: Process 18463 attached [pid 18462] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18461] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18460] <... futex resumed>) = 0 [pid 18459] <... futex resumed>) = 0 [pid 18458] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18457] <... futex resumed>) = 0 [pid 18464] set_robust_list(0x7fe89d1609e0, 24 [pid 18463] set_robust_list(0x7fe89d1609e0, 24 [pid 18462] <... openat resumed>) = 3 [pid 18461] <... futex resumed>) = 0 [pid 18460] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18459] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18458] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18457] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18464] <... set_robust_list resumed>) = 0 [pid 18463] <... set_robust_list resumed>) = 0 [pid 18462] write(3, "1000", 4 [pid 18461] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18462] <... write resumed>) = 4 [pid 18461] <... mmap resumed>) = 0x7fe89d140000 [pid 18462] close(3 [pid 18461] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18462] <... close resumed>) = 0 [pid 18461] <... mprotect resumed>) = 0 [pid 18462] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18461] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 18465 attached [pid 18464] mkdir("./file0", 0777 [pid 18463] mkdir("./file0", 0777 [pid 18462] <... futex resumed>) = 0 [pid 18465] set_robust_list(0x7fe89d1609e0, 24 [pid 18464] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18463] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18462] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18461] <... clone resumed>, parent_tid=[18465], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18465 [pid 18465] <... set_robust_list resumed>) = 0 [pid 18464] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18463] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18462] <... mmap resumed>) = 0x7fe89d140000 [pid 18461] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18465] mkdir("./file0", 0777 [pid 18464] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18463] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18462] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18461] <... futex resumed>) = 0 [pid 18465] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18464] <... futex resumed>) = 1 [pid 18463] <... futex resumed>) = 1 [pid 18462] <... mprotect resumed>) = 0 [pid 18461] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18460] <... futex resumed>) = 0 [pid 18459] <... futex resumed>) = 0 [pid 18465] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18464] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18463] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18462] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18460] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18459] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18465] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18464] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18463] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18460] <... futex resumed>) = 0 [pid 18459] <... futex resumed>) = 0 [pid 18458] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18465] <... futex resumed>) = 1 [pid 18464] pipe2( [pid 18463] pipe2( [pid 18462] <... clone resumed>, parent_tid=[18466], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18466 [pid 18461] <... futex resumed>) = 0 [pid 18460] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18459] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18458] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18465] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18464] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18463] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18462] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18461] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18458] <... futex resumed>) = 1 [pid 18457] <... futex resumed>) = 0 [pid 18465] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18464] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18463] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18462] <... futex resumed>) = 0 [pid 18461] <... futex resumed>) = 0 [pid 18458] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18457] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18465] pipe2( [pid 18464] <... futex resumed>) = 1 [pid 18463] <... futex resumed>) = 1 [pid 18462] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18461] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18460] <... futex resumed>) = 0 [pid 18459] <... futex resumed>) = 0 [pid 18458] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18457] <... futex resumed>) = 0 [pid 18465] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18464] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18463] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18460] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18459] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18458] write(4, NULL, 126976 [pid 18457] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 18466 attached [pid 18465] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18464] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18463] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18460] <... futex resumed>) = 0 [pid 18459] <... futex resumed>) = 0 [pid 18458] <... write resumed>) = -1 EFAULT (Bad address) [pid 18466] set_robust_list(0x7fe89d1609e0, 24 [pid 18465] <... futex resumed>) = 1 [pid 18464] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18463] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18461] <... futex resumed>) = 0 [pid 18460] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18459] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18458] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18466] <... set_robust_list resumed>) = 0 [pid 18465] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18461] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18458] <... futex resumed>) = 1 [pid 18457] <... futex resumed>) = 0 [pid 18466] mkdir("./file0", 0777 [pid 18458] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18457] exit_group(0 [pid 18465] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18461] <... futex resumed>) = 0 [pid 18466] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18458] <... futex resumed>) = ? [pid 18457] <... exit_group resumed>) = ? [pid 18466] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18465] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18461] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18458] +++ exited with 0 +++ [pid 18457] +++ exited with 0 +++ [pid 18466] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18457, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18466] <... futex resumed>) = 1 [pid 18466] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18462] <... futex resumed>) = 0 [pid 18462] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18466] <... futex resumed>) = 0 [pid 18462] <... futex resumed>) = 1 [pid 18466] pipe2([3, 4], 0) = 0 [pid 18462] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3610] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 18466] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18462] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3610] <... openat resumed>) = 3 [pid 18466] <... futex resumed>) = 0 [pid 18462] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3610] ioctl(3, LOOP_CLR_FD [pid 18466] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18462] <... futex resumed>) = 0 [pid 3610] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18462] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3610] close(3) = 0 [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555697d6d0) = 18467 ./strace-static-x86_64: Process 18467 attached [pid 18467] set_robust_list(0x55555697d6e0, 24 [pid 18464] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18467] <... set_robust_list resumed>) = 0 [pid 18467] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18464] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18467] <... prctl resumed>) = 0 [pid 18466] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18464] <... futex resumed>) = 1 [pid 18463] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18459] <... futex resumed>) = 0 [pid 18467] setpgid(0, 0 [pid 18466] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18465] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18464] write(4, NULL, 126976 [pid 18463] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18459] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18467] <... setpgid resumed>) = 0 [pid 18466] <... futex resumed>) = 1 [pid 18465] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18464] <... write resumed>) = -1 EFAULT (Bad address) [pid 18463] <... futex resumed>) = 1 [pid 18462] <... futex resumed>) = 0 [pid 18460] <... futex resumed>) = 0 [pid 18459] <... futex resumed>) = 0 [pid 18467] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18466] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18465] <... futex resumed>) = 1 [pid 18464] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18463] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18462] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18461] <... futex resumed>) = 0 [pid 18460] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18459] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18467] <... openat resumed>) = 3 [pid 18466] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18465] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18464] <... futex resumed>) = 0 [pid 18463] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18462] <... futex resumed>) = 0 [pid 18461] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18460] <... futex resumed>) = 0 [pid 18459] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18467] write(3, "1000", 4 [pid 18466] write(4, NULL, 126976 [pid 18465] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18464] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18463] write(4, NULL, 126976 [pid 18462] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18461] <... futex resumed>) = 0 [pid 18460] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18459] exit_group(0 [pid 18467] <... write resumed>) = 4 [pid 18466] <... write resumed>) = -1 EFAULT (Bad address) [pid 18465] write(4, NULL, 126976 [pid 18464] <... futex resumed>) = ? [pid 18463] <... write resumed>) = -1 EFAULT (Bad address) [pid 18461] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18459] <... exit_group resumed>) = ? [pid 18467] close(3 [pid 18466] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18465] <... write resumed>) = -1 EFAULT (Bad address) [pid 18464] +++ exited with 0 +++ [pid 18463] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18459] +++ exited with 0 +++ [pid 18467] <... close resumed>) = 0 [pid 18466] <... futex resumed>) = 1 [pid 18465] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18463] <... futex resumed>) = 1 [pid 18462] <... futex resumed>) = 0 [pid 18460] <... futex resumed>) = 0 [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18459, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18467] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18466] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18465] <... futex resumed>) = 1 [pid 18463] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18462] exit_group(0 [pid 18461] <... futex resumed>) = 0 [pid 18460] exit_group(0 [pid 18467] <... futex resumed>) = 0 [pid 18466] <... futex resumed>) = ? [pid 18465] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18463] <... futex resumed>) = ? [pid 18462] <... exit_group resumed>) = ? [pid 18461] exit_group(0 [pid 18460] <... exit_group resumed>) = ? [pid 18467] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18466] +++ exited with 0 +++ [pid 18465] <... futex resumed>) = ? [pid 18463] +++ exited with 0 +++ [pid 18461] <... exit_group resumed>) = ? [pid 18465] +++ exited with 0 +++ [pid 18462] +++ exited with 0 +++ [pid 18461] +++ exited with 0 +++ [pid 3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18462, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18460] +++ exited with 0 +++ [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18461, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18467] <... mmap resumed>) = 0x7fe89d140000 [pid 3612] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18460, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18467] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 3613] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 18467] <... mprotect resumed>) = 0 [pid 3611] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 3609] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 3613] <... openat resumed>) = 3 [pid 3609] <... openat resumed>) = 3 [pid 3612] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3611] <... openat resumed>) = 3 [pid 3613] ioctl(3, LOOP_CLR_FD [pid 3609] ioctl(3, LOOP_CLR_FD [pid 18467] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3612] <... openat resumed>) = 3 [pid 3611] ioctl(3, LOOP_CLR_FD [pid 3609] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3613] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3609] close(3 [pid 18467] <... clone resumed>, parent_tid=[18468], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18468 [pid 3613] close(3 [pid 3612] ioctl(3, LOOP_CLR_FD [pid 3611] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3609] <... close resumed>) = 0 [pid 18467] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3613] <... close resumed>) = 0 [pid 3612] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3611] close(3 [pid 18467] <... futex resumed>) = 0 [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3612] close(3 [pid 3611] <... close resumed>) = 0 [pid 3609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18467] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 3612] <... close resumed>) = 0 [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3613] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18469 [pid 3612] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18468 attached ./strace-static-x86_64: Process 18469 attached [pid 3611] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18471 [pid 3609] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18470 ./strace-static-x86_64: Process 18470 attached [pid 3612] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18472 [pid 18468] set_robust_list(0x7fe89d1609e0, 24 [pid 18470] set_robust_list(0x55555697d6e0, 24 [pid 18469] set_robust_list(0x55555697d6e0, 24 [pid 18468] <... set_robust_list resumed>) = 0 [pid 18470] <... set_robust_list resumed>) = 0 [pid 18469] <... set_robust_list resumed>) = 0 [pid 18470] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18469] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18468] mkdir("./file0", 0777./strace-static-x86_64: Process 18472 attached [pid 18470] <... prctl resumed>) = 0 [pid 18469] <... prctl resumed>) = 0 [pid 18468] <... mkdir resumed>) = -1 EEXIST (File exists) ./strace-static-x86_64: Process 18471 attached [pid 18472] set_robust_list(0x55555697d6e0, 24 [pid 18470] setpgid(0, 0 [pid 18469] setpgid(0, 0 [pid 18468] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18472] <... set_robust_list resumed>) = 0 [pid 18471] set_robust_list(0x55555697d6e0, 24 [pid 18470] <... setpgid resumed>) = 0 [pid 18469] <... setpgid resumed>) = 0 [pid 18468] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18472] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18471] <... set_robust_list resumed>) = 0 [pid 18470] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18469] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18468] <... futex resumed>) = 1 [pid 18467] <... futex resumed>) = 0 [pid 18472] <... prctl resumed>) = 0 [pid 18471] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18472] setpgid(0, 0 [pid 18471] <... prctl resumed>) = 0 [pid 18472] <... setpgid resumed>) = 0 [pid 18471] setpgid(0, 0 [pid 18472] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18471] <... setpgid resumed>) = 0 [pid 18472] <... openat resumed>) = 3 [pid 18471] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18470] <... openat resumed>) = 3 [pid 18469] <... openat resumed>) = 3 [pid 18468] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18467] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18472] write(3, "1000", 4 [pid 18471] <... openat resumed>) = 3 [pid 18470] write(3, "1000", 4 [pid 18469] write(3, "1000", 4 [pid 18468] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18467] <... futex resumed>) = 0 [pid 18472] <... write resumed>) = 4 [pid 18471] write(3, "1000", 4 [pid 18470] <... write resumed>) = 4 [pid 18469] <... write resumed>) = 4 [pid 18468] pipe2( [pid 18467] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18472] close(3 [pid 18471] <... write resumed>) = 4 [pid 18470] close(3 [pid 18469] close(3 [pid 18468] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18472] <... close resumed>) = 0 [pid 18471] close(3 [pid 18470] <... close resumed>) = 0 [pid 18469] <... close resumed>) = 0 [pid 18468] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18472] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18471] <... close resumed>) = 0 [pid 18470] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18469] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18468] <... futex resumed>) = 1 [pid 18467] <... futex resumed>) = 0 [pid 18472] <... futex resumed>) = 0 [pid 18471] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18470] <... futex resumed>) = 0 [pid 18469] <... futex resumed>) = 0 [pid 18468] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18467] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18472] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18471] <... futex resumed>) = 0 [pid 18470] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18469] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18468] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18467] <... futex resumed>) = 0 [pid 18472] <... mmap resumed>) = 0x7fe89d140000 [pid 18471] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18470] <... mmap resumed>) = 0x7fe89d140000 [pid 18469] <... mmap resumed>) = 0x7fe89d140000 [pid 18468] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18467] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18472] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18471] <... mmap resumed>) = 0x7fe89d140000 [pid 18470] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18469] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18472] <... mprotect resumed>) = 0 [pid 18471] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18470] <... mprotect resumed>) = 0 [pid 18469] <... mprotect resumed>) = 0 [pid 18472] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18471] <... mprotect resumed>) = 0 [pid 18470] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18469] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18471] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18472] <... clone resumed>, parent_tid=[18473], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18473 [pid 18472] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18471] <... clone resumed>, parent_tid=[18475], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18475 [pid 18472] <... futex resumed>) = 0 [pid 18471] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18472] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18471] <... futex resumed>) = 0 [pid 18471] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18470] <... clone resumed>, parent_tid=[18474], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18474 [pid 18470] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18469] <... clone resumed>, parent_tid=[18476], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18476 ./strace-static-x86_64: Process 18475 attached ./strace-static-x86_64: Process 18473 attached [pid 18470] <... futex resumed>) = 0 [pid 18469] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18475] set_robust_list(0x7fe89d1609e0, 24 [pid 18473] set_robust_list(0x7fe89d1609e0, 24 [pid 18470] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18469] <... futex resumed>) = 0 [pid 18468] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18475] <... set_robust_list resumed>) = 0 [pid 18473] <... set_robust_list resumed>) = 0 [pid 18469] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18468] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 18476 attached ./strace-static-x86_64: Process 18474 attached [pid 18475] mkdir("./file0", 0777 [pid 18473] mkdir("./file0", 0777 [pid 18468] <... futex resumed>) = 1 [pid 18467] <... futex resumed>) = 0 [pid 18476] set_robust_list(0x7fe89d1609e0, 24 [pid 18475] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18474] set_robust_list(0x7fe89d1609e0, 24 [pid 18473] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18468] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18467] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18476] <... set_robust_list resumed>) = 0 [pid 18475] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18474] <... set_robust_list resumed>) = 0 [pid 18473] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18468] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18467] <... futex resumed>) = 0 [pid 18476] mkdir("./file0", 0777 [pid 18475] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18474] mkdir("./file0", 0777 [pid 18473] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18468] write(4, NULL, 126976 [pid 18467] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18476] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18475] <... futex resumed>) = 1 [pid 18474] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18473] <... futex resumed>) = 1 [pid 18472] <... futex resumed>) = 0 [pid 18471] <... futex resumed>) = 0 [pid 18468] <... write resumed>) = -1 EFAULT (Bad address) [pid 18476] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18475] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18474] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18473] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18472] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18471] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18468] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18476] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18475] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18474] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18473] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18472] <... futex resumed>) = 0 [pid 18471] <... futex resumed>) = 0 [pid 18468] <... futex resumed>) = 1 [pid 18467] <... futex resumed>) = 0 [pid 18476] <... futex resumed>) = 1 [pid 18475] pipe2( [pid 18474] <... futex resumed>) = 1 [pid 18473] pipe2( [pid 18472] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18471] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18470] <... futex resumed>) = 0 [pid 18469] <... futex resumed>) = 0 [pid 18468] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18467] exit_group(0 [pid 18476] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18475] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18474] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18473] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18470] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18469] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18468] <... futex resumed>) = ? [pid 18467] <... exit_group resumed>) = ? [pid 18476] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18475] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18473] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18470] <... futex resumed>) = 0 [pid 18469] <... futex resumed>) = 0 [pid 18475] <... futex resumed>) = 1 [pid 18473] <... futex resumed>) = 1 [pid 18472] <... futex resumed>) = 0 [pid 18471] <... futex resumed>) = 0 [pid 18470] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18469] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18476] pipe2( [pid 18475] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18474] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18473] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18472] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18471] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18468] +++ exited with 0 +++ [pid 18467] +++ exited with 0 +++ [pid 18476] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18475] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18473] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18472] <... futex resumed>) = 0 [pid 18471] <... futex resumed>) = 0 [pid 18474] pipe2( [pid 18476] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18475] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18474] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18473] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18472] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18471] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18467, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18476] <... futex resumed>) = 1 [pid 18474] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18469] <... futex resumed>) = 0 [pid 18476] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18474] <... futex resumed>) = 1 [pid 18470] <... futex resumed>) = 0 [pid 18469] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3610] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 18476] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18474] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18470] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18469] <... futex resumed>) = 0 [pid 18476] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18474] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18470] <... futex resumed>) = 0 [pid 18469] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3610] <... openat resumed>) = 3 [pid 3610] ioctl(3, LOOP_CLR_FD [pid 18470] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18474] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 3610] <... ioctl resumed>) = -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 [pid 18475] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18473] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18475] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18473] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3610] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18477 [pid 18475] <... futex resumed>) = 1 [pid 18473] <... futex resumed>) = 1 [pid 18472] <... futex resumed>) = 0 [pid 18471] <... futex resumed>) = 0 [pid 18475] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18473] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18472] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18471] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18475] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18473] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18472] <... futex resumed>) = 0 [pid 18471] <... futex resumed>) = 0 [pid 18475] write(4, NULL, 126976 [pid 18473] write(4, NULL, 126976 [pid 18472] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18471] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18475] <... write resumed>) = -1 EFAULT (Bad address) [pid 18473] <... write resumed>) = -1 EFAULT (Bad address) [pid 18475] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18473] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18475] <... futex resumed>) = 1 [pid 18473] <... futex resumed>) = 1 [pid 18472] <... futex resumed>) = 0 [pid 18471] <... futex resumed>) = 0 [pid 18476] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18475] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18473] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18472] exit_group(0 [pid 18471] exit_group(0 [pid 18476] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18475] <... futex resumed>) = ? [pid 18474] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18473] <... futex resumed>) = ? [pid 18472] <... exit_group resumed>) = ? [pid 18471] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 18477 attached [pid 18476] <... futex resumed>) = 1 [pid 18475] +++ exited with 0 +++ [pid 18474] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18473] +++ exited with 0 +++ [pid 18472] +++ exited with 0 +++ [pid 18471] +++ exited with 0 +++ [pid 18469] <... futex resumed>) = 0 [pid 18477] set_robust_list(0x55555697d6e0, 24 [pid 18476] write(4, NULL, 126976 [pid 18474] <... futex resumed>) = 1 [pid 18470] <... futex resumed>) = 0 [pid 18469] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18477] <... set_robust_list resumed>) = 0 [pid 18476] <... write resumed>) = -1 EFAULT (Bad address) [pid 18474] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18470] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18469] <... futex resumed>) = 0 [pid 3612] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18472, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18471, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18477] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18476] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18474] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18470] <... futex resumed>) = 0 [pid 18469] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3612] restart_syscall(<... resuming interrupted clone ...> [pid 3611] restart_syscall(<... resuming interrupted clone ...> [pid 18477] <... prctl resumed>) = 0 [pid 18476] <... futex resumed>) = 0 [pid 18474] write(4, NULL, 126976 [pid 18470] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18469] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3612] <... restart_syscall resumed>) = 0 [pid 3611] <... restart_syscall resumed>) = 0 [pid 18477] setpgid(0, 0 [pid 18476] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18474] <... write resumed>) = -1 EFAULT (Bad address) [pid 18469] exit_group(0 [pid 18477] <... setpgid resumed>) = 0 [pid 18476] <... futex resumed>) = ? [pid 18474] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18469] <... exit_group resumed>) = ? [pid 18476] +++ exited with 0 +++ [pid 3612] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3611] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 3612] <... openat resumed>) = 3 [pid 3611] <... openat resumed>) = 3 [pid 3612] ioctl(3, LOOP_CLR_FD [pid 18469] +++ exited with 0 +++ [pid 3611] ioctl(3, LOOP_CLR_FD [pid 18477] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18474] <... futex resumed>) = 1 [pid 18470] <... futex resumed>) = 0 [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18469, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3612] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3611] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18477] <... openat resumed>) = 3 [pid 18474] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18470] exit_group(0 [pid 3613] restart_syscall(<... resuming interrupted clone ...> [pid 3612] close(3 [pid 3611] close(3 [pid 18477] write(3, "1000", 4 [pid 18474] <... futex resumed>) = ? [pid 18470] <... exit_group resumed>) = ? [pid 3613] <... restart_syscall resumed>) = 0 [pid 3612] <... close resumed>) = 0 [pid 3611] <... close resumed>) = 0 [pid 18477] <... write resumed>) = 4 [pid 18474] +++ exited with 0 +++ [pid 3612] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18479 attached ./strace-static-x86_64: Process 18478 attached [pid 18477] close(3 [pid 18470] +++ exited with 0 +++ [pid 18478] set_robust_list(0x55555697d6e0, 24 [pid 18477] <... close resumed>) = 0 [pid 3613] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 3612] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18478 [pid 3611] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18479 [pid 18478] <... set_robust_list resumed>) = 0 [pid 18477] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3613] <... openat resumed>) = 3 [pid 3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18470, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18479] set_robust_list(0x55555697d6e0, 24 [pid 3613] ioctl(3, LOOP_CLR_FD [pid 18477] <... futex resumed>) = 0 [pid 3613] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18479] <... set_robust_list resumed>) = 0 [pid 18478] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18477] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3613] close(3 [pid 18478] <... prctl resumed>) = 0 [pid 18477] <... mmap resumed>) = 0x7fe89d140000 [pid 3613] <... close resumed>) = 0 [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555697d6d0) = 18480 ./strace-static-x86_64: Process 18480 attached [pid 18480] set_robust_list(0x55555697d6e0, 24) = 0 [pid 18480] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 18480] setpgid(0, 0) = 0 [pid 18480] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 18480] write(3, "1000", 4) = 4 [pid 18479] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18480] close(3 [pid 18479] <... prctl resumed>) = 0 [pid 18480] <... close resumed>) = 0 [pid 18479] setpgid(0, 0 [pid 18480] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18479] <... setpgid resumed>) = 0 [pid 18480] <... futex resumed>) = 0 [pid 18479] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18480] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18479] <... openat resumed>) = 3 [pid 18480] <... mmap resumed>) = 0x7fe89d140000 [pid 18479] write(3, "1000", 4 [pid 18480] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18479] <... write resumed>) = 4 [pid 18480] <... mprotect resumed>) = 0 [pid 18479] close(3 [pid 18480] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18479] <... close resumed>) = 0 [pid 18479] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18477] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18480] <... clone resumed>, parent_tid=[18481], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18481 [pid 18479] <... futex resumed>) = 0 [pid 18478] setpgid(0, 0 [pid 18477] <... mprotect resumed>) = 0 [pid 18480] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18479] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18478] <... setpgid resumed>) = 0 [pid 18480] <... futex resumed>) = 0 [pid 18479] <... mmap resumed>) = 0x7fe89d140000 [pid 18477] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18480] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18479] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18478] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18479] <... mprotect resumed>) = 0 [pid 3609] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 18479] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18478] <... openat resumed>) = 3 [pid 18477] <... clone resumed>, parent_tid=[18482], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18482 [pid 18478] write(3, "1000", 4 [pid 18477] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3609] <... openat resumed>) = 3 [pid 18479] <... clone resumed>, parent_tid=[18483], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18483 [pid 18478] <... write resumed>) = 4 [pid 18477] <... futex resumed>) = 0 [pid 3609] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 18482 attached ./strace-static-x86_64: Process 18481 attached [pid 18479] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18478] close(3 [pid 18477] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 3609] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18481] set_robust_list(0x7fe89d1609e0, 24 [pid 18479] <... futex resumed>) = 0 [pid 18478] <... close resumed>) = 0 [pid 3609] close(3 [pid 18482] set_robust_list(0x7fe89d1609e0, 24 [pid 18481] <... set_robust_list resumed>) = 0 [pid 18479] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18478] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3609] <... close resumed>) = 0 ./strace-static-x86_64: Process 18483 attached [pid 18481] mkdir("./file0", 0777 [pid 18478] <... futex resumed>) = 0 [pid 3609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18483] set_robust_list(0x7fe89d1609e0, 24 [pid 18481] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18478] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18483] <... set_robust_list resumed>) = 0 [pid 18481] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18483] mkdir("./file0", 0777 [pid 18481] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18478] <... mmap resumed>) = 0x7fe89d140000 [pid 3609] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18484 [pid 18483] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18481] <... futex resumed>) = 1 [pid 18480] <... futex resumed>) = 0 [pid 18478] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18483] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18481] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18480] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18478] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 18484 attached [pid 18483] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18482] <... set_robust_list resumed>) = 0 [pid 18481] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18480] <... futex resumed>) = 0 [pid 18478] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18484] set_robust_list(0x55555697d6e0, 24 [pid 18483] <... futex resumed>) = 1 [pid 18481] pipe2( [pid 18480] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18479] <... futex resumed>) = 0 [pid 18482] mkdir("./file0", 0777 [pid 18484] <... set_robust_list resumed>) = 0 [pid 18483] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18481] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18479] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18478] <... clone resumed>, parent_tid=[18485], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18485 [pid 18484] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18483] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18482] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18481] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18479] <... futex resumed>) = 0 [pid 18478] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18484] <... prctl resumed>) = 0 [pid 18483] pipe2( [pid 18482] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18481] <... futex resumed>) = 1 [pid 18480] <... futex resumed>) = 0 [pid 18479] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18478] <... futex resumed>) = 0 ./strace-static-x86_64: Process 18485 attached [pid 18484] setpgid(0, 0 [pid 18483] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18482] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18481] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18480] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18478] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18485] set_robust_list(0x7fe89d1609e0, 24 [pid 18484] <... setpgid resumed>) = 0 [pid 18483] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18482] <... futex resumed>) = 1 [pid 18481] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18480] <... futex resumed>) = 0 [pid 18477] <... futex resumed>) = 0 [pid 18485] <... set_robust_list resumed>) = 0 [pid 18484] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18483] <... futex resumed>) = 1 [pid 18482] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18481] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18480] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18479] <... futex resumed>) = 0 [pid 18477] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18485] mkdir("./file0", 0777 [pid 18484] <... openat resumed>) = 3 [pid 18483] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18482] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18479] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18477] <... futex resumed>) = 0 [pid 18484] write(3, "1000", 4 [pid 18483] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18479] <... futex resumed>) = 0 [pid 18485] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18484] <... write resumed>) = 4 [pid 18483] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18482] pipe2( [pid 18479] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18477] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18485] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18485] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18484] close(3 [pid 18482] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18485] <... futex resumed>) = 1 [pid 18484] <... close resumed>) = 0 [pid 18482] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18478] <... futex resumed>) = 0 [pid 18485] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18484] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18482] <... futex resumed>) = 1 [pid 18478] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18477] <... futex resumed>) = 0 [pid 18485] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18484] <... futex resumed>) = 0 [pid 18482] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18478] <... futex resumed>) = 0 [pid 18477] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18485] pipe2( [pid 18484] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18482] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18478] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18477] <... futex resumed>) = 0 [pid 18485] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18484] <... mmap resumed>) = 0x7fe89d140000 [pid 18482] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18481] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18477] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18485] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18484] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18481] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18484] <... mprotect resumed>) = 0 [pid 18481] <... futex resumed>) = 1 [pid 18480] <... futex resumed>) = 0 [pid 18485] <... futex resumed>) = 1 [pid 18484] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18483] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18481] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18480] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18478] <... futex resumed>) = 0 [pid 18485] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18483] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18481] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18480] <... futex resumed>) = 0 [pid 18484] <... clone resumed>, parent_tid=[18486], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18486 [pid 18483] <... futex resumed>) = 1 [pid 18481] write(4, NULL, 126976 [pid 18480] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18479] <... futex resumed>) = 0 [pid 18484] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18483] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18481] <... write resumed>) = -1 EFAULT (Bad address) [pid 18479] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18484] <... futex resumed>) = 0 [pid 18483] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18481] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18479] <... futex resumed>) = 0 [pid 18484] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18483] write(4, NULL, 126976 [pid 18481] <... futex resumed>) = 1 [pid 18480] <... futex resumed>) = 0 [pid 18479] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18483] <... write resumed>) = -1 EFAULT (Bad address) [pid 18481] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18480] exit_group(0 [pid 18483] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18481] <... futex resumed>) = ? [pid 18480] <... exit_group resumed>) = ? [pid 18483] <... futex resumed>) = 1 [pid 18481] +++ exited with 0 +++ [pid 18480] +++ exited with 0 +++ [pid 18479] <... futex resumed>) = 0 [pid 18483] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18479] exit_group(0./strace-static-x86_64: Process 18486 attached [pid 18483] <... futex resumed>) = ? [pid 18479] <... exit_group resumed>) = ? [pid 18486] set_robust_list(0x7fe89d1609e0, 24 [pid 18483] +++ exited with 0 +++ [pid 18479] +++ exited with 0 +++ [pid 18486] <... set_robust_list resumed>) = 0 [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18479, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18486] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 18486] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18485] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18478] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18480, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3611] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 18486] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18485] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18478] <... futex resumed>) = 0 [pid 3611] <... openat resumed>) = 3 [pid 18486] <... futex resumed>) = 1 [pid 18484] <... futex resumed>) = 0 [pid 3611] ioctl(3, LOOP_CLR_FD [pid 18486] pipe2( [pid 18484] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18478] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3611] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18486] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18484] <... futex resumed>) = 0 [pid 3611] close(3 [pid 18486] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18484] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3611] <... close resumed>) = 0 [pid 18486] <... futex resumed>) = 0 [pid 18484] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18486] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18484] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3613] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 18486] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18484] <... futex resumed>) = 0 [pid 3613] <... openat resumed>) = 3 [pid 3611] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18487 [pid 18486] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18484] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3613] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 3613] close(3) = 0 [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18487 attached , child_tidptr=0x55555697d6d0) = 18488 [pid 18487] set_robust_list(0x55555697d6e0, 24) = 0 [pid 18487] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 18487] setpgid(0, 0) = 0 [pid 18487] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 18488 attached ) = 3 [pid 18488] set_robust_list(0x55555697d6e0, 24 [pid 18487] write(3, "1000", 4 [pid 18488] <... set_robust_list resumed>) = 0 [pid 18487] <... write resumed>) = 4 [pid 18488] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18487] close(3 [pid 18488] <... prctl resumed>) = 0 [pid 18487] <... close resumed>) = 0 [pid 18488] setpgid(0, 0 [pid 18487] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18488] <... setpgid resumed>) = 0 [pid 18487] <... futex resumed>) = 0 [pid 18486] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18482] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18488] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18487] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18486] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18482] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18488] <... openat resumed>) = 3 [pid 18487] <... mmap resumed>) = 0x7fe89d140000 [pid 18486] <... futex resumed>) = 1 [pid 18484] <... futex resumed>) = 0 [pid 18477] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 18488] write(3, "1000", 4 [pid 18487] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18486] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18484] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18482] <... futex resumed>) = 0 [pid 18477] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18488] <... write resumed>) = 4 [pid 18487] <... mprotect resumed>) = 0 [pid 18486] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18485] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18484] <... futex resumed>) = 0 [pid 18482] write(4, NULL, 126976 [pid 18477] <... futex resumed>) = 0 [pid 18488] close(3 [pid 18487] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18486] write(4, NULL, 126976 [pid 18485] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18484] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18482] <... write resumed>) = -1 EFAULT (Bad address) [pid 18477] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18488] <... close resumed>) = 0 [pid 18486] <... write resumed>) = -1 EFAULT (Bad address) [pid 18485] <... futex resumed>) = 1 [pid 18482] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18478] <... futex resumed>) = 0 [pid 18477] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18488] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18487] <... clone resumed>, parent_tid=[18489], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18489 [pid 18486] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18488] <... futex resumed>) = 0 [pid 18487] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18486] <... futex resumed>) = 1 [pid 18484] <... futex resumed>) = 0 [pid 18488] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18487] <... futex resumed>) = 0 [pid 18486] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18485] write(4, NULL, 126976 [pid 18484] exit_group(0 [pid 18482] <... futex resumed>) = 0 [pid 18478] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18477] exit_group(0 [pid 18488] <... mmap resumed>) = 0x7fe89d140000 [pid 18487] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18486] <... futex resumed>) = ? [pid 18485] <... write resumed>) = -1 EFAULT (Bad address) [pid 18484] <... exit_group resumed>) = ? [pid 18478] <... futex resumed>) = 0 [pid 18477] <... exit_group resumed>) = ? [pid 18488] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18486] +++ exited with 0 +++ [pid 18485] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18484] +++ exited with 0 +++ [pid 18482] +++ exited with 0 +++ [pid 18478] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 18489 attached [pid 18488] <... mprotect resumed>) = 0 [pid 18489] set_robust_list(0x7fe89d1609e0, 24 [pid 18488] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18485] <... futex resumed>) = 0 [pid 18478] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18477] +++ exited with 0 +++ [pid 3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18484, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 18489] <... set_robust_list resumed>) = 0 [pid 18485] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18478] exit_group(0 [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18477, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18489] mkdir("./file0", 0777 [pid 18488] <... clone resumed>, parent_tid=[18490], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18490 [pid 18485] <... futex resumed>) = ? [pid 18478] <... exit_group resumed>) = ? [pid 18489] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18488] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18485] +++ exited with 0 +++ [pid 18489] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18488] <... futex resumed>) = 0 [pid 18489] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18488] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18489] <... futex resumed>) = 1 [pid 18487] <... futex resumed>) = 0 [pid 18478] +++ exited with 0 +++ [pid 3609] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 18489] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18487] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3612] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18478, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 18489] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18487] <... futex resumed>) = 0 [pid 3612] restart_syscall(<... resuming interrupted clone ...> [pid 3609] <... openat resumed>) = 3 [pid 18489] pipe2( [pid 18487] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3612] <... restart_syscall resumed>) = 0 [pid 3610] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 3609] ioctl(3, LOOP_CLR_FD [pid 18489] <... pipe2 resumed>[3, 4], 0) = 0 [pid 3610] <... openat resumed>) = 3 [pid 3609] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18489] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3610] ioctl(3, LOOP_CLR_FD [pid 3609] close(3 [pid 18489] <... futex resumed>) = 1 [pid 18487] <... futex resumed>) = 0 [pid 3612] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3610] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18489] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18487] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3612] <... openat resumed>) = 3 [pid 3610] close(3 [pid 18489] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18487] <... futex resumed>) = 0 [pid 3612] ioctl(3, LOOP_CLR_FD [pid 3610] <... close resumed>) = 0 [pid 18489] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18487] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3612] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18490 attached [pid 18489] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3612] close(3 [pid 3609] <... close resumed>) = 0 [pid 18489] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3612] <... close resumed>) = 0 [pid 3610] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18491 [pid 18490] set_robust_list(0x7fe89d1609e0, 24 [pid 18489] <... futex resumed>) = 1 [pid 18487] <... futex resumed>) = 0 [pid 3612] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18490] <... set_robust_list resumed>) = 0 [pid 18489] write(4, NULL, 126976 [pid 18487] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18489] <... write resumed>) = -1 EFAULT (Bad address) [pid 18487] <... futex resumed>) = 0 [pid 3612] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18492 [pid 18489] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18487] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18490] mkdir("./file0", 0777 [pid 18489] <... futex resumed>) = 0 [pid 18487] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ./strace-static-x86_64: Process 18491 attached [pid 18490] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18489] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18487] exit_group(0 [pid 3609] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18493 [pid 18491] set_robust_list(0x55555697d6e0, 24 [pid 18490] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18489] <... futex resumed>) = ? [pid 18487] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 18493 attached [pid 18491] <... set_robust_list resumed>) = 0 [pid 18490] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18489] +++ exited with 0 +++ [pid 18487] +++ exited with 0 +++ [pid 18493] set_robust_list(0x55555697d6e0, 24 [pid 18491] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18490] <... futex resumed>) = 1 [pid 18488] <... futex resumed>) = 0 [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18487, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18493] <... set_robust_list resumed>) = 0 [pid 18491] <... prctl resumed>) = 0 [pid 18490] pipe2( [pid 18488] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] restart_syscall(<... resuming interrupted clone ...> [pid 18493] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18491] setpgid(0, 0 [pid 18490] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18488] <... futex resumed>) = 0 [pid 3611] <... restart_syscall resumed>) = 0 [pid 18493] <... prctl resumed>) = 0 [pid 18491] <... setpgid resumed>) = 0 [pid 18490] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18488] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 18492 attached [pid 18493] setpgid(0, 0 [pid 18491] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18490] <... futex resumed>) = 0 [pid 18488] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18493] <... setpgid resumed>) = 0 [pid 18491] <... openat resumed>) = 3 [pid 18488] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 18493] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18491] write(3, "1000", 4 [pid 18490] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18488] <... futex resumed>) = 0 [pid 3611] <... openat resumed>) = 3 [pid 18493] <... openat resumed>) = 3 [pid 18492] set_robust_list(0x55555697d6e0, 24 [pid 18491] <... write resumed>) = 4 [pid 18488] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3611] ioctl(3, LOOP_CLR_FD [pid 18493] write(3, "1000", 4 [pid 18491] close(3 [pid 3611] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18493] <... write resumed>) = 4 [pid 18491] <... close resumed>) = 0 [pid 3611] close(3 [pid 18493] close(3 [pid 18491] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] <... close resumed>) = 0 [pid 18493] <... close resumed>) = 0 [pid 18491] <... futex resumed>) = 0 [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18493] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18491] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18493] <... futex resumed>) = 0 [pid 18491] <... mmap resumed>) = 0x7fe89d140000 [pid 3611] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18494 [pid 18493] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18491] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18493] <... mmap resumed>) = 0x7fe89d140000 [pid 18491] <... mprotect resumed>) = 0 [pid 18493] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18491] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18493] <... mprotect resumed>) = 0 [pid 18493] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18491] <... clone resumed>, parent_tid=[18495], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18495 [pid 18491] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18493] <... clone resumed>, parent_tid=[18496], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18496 [pid 18491] <... futex resumed>) = 0 [pid 18493] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18491] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000}./strace-static-x86_64: Process 18494 attached [pid 18493] <... futex resumed>) = 0 [pid 18494] set_robust_list(0x55555697d6e0, 24 [pid 18493] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18494] <... set_robust_list resumed>) = 0 [pid 18494] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18492] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 18495 attached [pid 18494] <... prctl resumed>) = 0 [pid 18495] set_robust_list(0x7fe89d1609e0, 24 [pid 18494] setpgid(0, 0 [pid 18492] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18490] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18495] <... set_robust_list resumed>) = 0 [pid 18494] <... setpgid resumed>) = 0 [pid 18495] mkdir("./file0", 0777 [pid 18494] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18492] <... prctl resumed>) = 0 [pid 18490] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18495] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18494] <... openat resumed>) = 3 [pid 18495] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18494] write(3, "1000", 4 [pid 18495] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18494] <... write resumed>) = 4 [pid 18495] <... futex resumed>) = 1 [pid 18494] close(3 [pid 18491] <... futex resumed>) = 0 [pid 18495] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18494] <... close resumed>) = 0 [pid 18491] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18495] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18494] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18491] <... futex resumed>) = 0 [pid 18495] pipe2( [pid 18494] <... futex resumed>) = 0 [pid 18491] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18495] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18494] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18495] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18494] <... mmap resumed>) = 0x7fe89d140000 [pid 18495] <... futex resumed>) = 1 [pid 18494] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18491] <... futex resumed>) = 0 [pid 18495] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18494] <... mprotect resumed>) = 0 [pid 18491] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18495] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18494] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18492] setpgid(0, 0 [pid 18491] <... futex resumed>) = 0 [pid 18490] <... futex resumed>) = 1 [pid 18488] <... futex resumed>) = 0 [pid 18495] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18491] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18488] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 18497 attached ./strace-static-x86_64: Process 18496 attached [pid 18494] <... clone resumed>, parent_tid=[18497], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18497 [pid 18492] <... setpgid resumed>) = 0 [pid 18490] write(4, NULL, 126976 [pid 18488] <... futex resumed>) = 0 [pid 18494] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18488] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18496] set_robust_list(0x7fe89d1609e0, 24) = 0 [pid 18494] <... futex resumed>) = 0 [pid 18492] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18490] <... write resumed>) = -1 EFAULT (Bad address) [pid 18497] set_robust_list(0x7fe89d1609e0, 24 [pid 18496] mkdir("./file0", 0777 [pid 18494] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18497] <... set_robust_list resumed>) = 0 [pid 18496] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18492] <... openat resumed>) = 3 [pid 18490] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18497] mkdir("./file0", 0777 [pid 18496] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18495] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18492] write(3, "1000", 4 [pid 18490] <... futex resumed>) = 1 [pid 18488] <... futex resumed>) = 0 [pid 18496] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18495] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18492] <... write resumed>) = 4 [pid 18490] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18488] exit_group(0 [pid 18497] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18496] <... futex resumed>) = 1 [pid 18495] <... futex resumed>) = 1 [pid 18493] <... futex resumed>) = 0 [pid 18492] close(3 [pid 18491] <... futex resumed>) = 0 [pid 18490] <... futex resumed>) = ? [pid 18488] <... exit_group resumed>) = ? [pid 18497] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18496] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18495] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18493] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18492] <... close resumed>) = 0 [pid 18491] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18490] +++ exited with 0 +++ [pid 18488] +++ exited with 0 +++ [pid 18496] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18495] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18493] <... futex resumed>) = 0 [pid 18492] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18491] <... futex resumed>) = 0 [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18488, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18497] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18496] pipe2( [pid 18495] write(4, NULL, 126976 [pid 18493] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18492] <... futex resumed>) = 0 [pid 18491] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18497] <... futex resumed>) = 1 [pid 18496] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18495] <... write resumed>) = -1 EFAULT (Bad address) [pid 18494] <... futex resumed>) = 0 [pid 18492] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18497] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18496] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18495] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18494] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18492] <... mmap resumed>) = 0x7fe89d140000 [pid 18497] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18496] <... futex resumed>) = 1 [pid 18495] <... futex resumed>) = 1 [pid 18494] <... futex resumed>) = 0 [pid 18493] <... futex resumed>) = 0 [pid 18492] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18491] <... futex resumed>) = 0 [pid 18497] pipe2( [pid 18496] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18495] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18494] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18493] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18492] <... mprotect resumed>) = 0 [pid 18491] exit_group(0 [pid 18497] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18496] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18495] <... futex resumed>) = ? [pid 18493] <... futex resumed>) = 0 [pid 18492] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18491] <... exit_group resumed>) = ? [pid 3613] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 18497] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18496] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18495] +++ exited with 0 +++ [pid 18493] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18491] +++ exited with 0 +++ [pid 3613] <... openat resumed>) = 3 ./strace-static-x86_64: Process 18498 attached [pid 18497] <... futex resumed>) = 1 [pid 18494] <... futex resumed>) = 0 [pid 18492] <... clone resumed>, parent_tid=[18498], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18498 [pid 3613] ioctl(3, LOOP_CLR_FD [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18491, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 18494] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 18494] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18492] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3613] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3610] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 18497] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 3610] <... openat resumed>) = 3 [pid 18492] <... futex resumed>) = 0 [pid 3613] close(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=0x55555697d6d0) = 18499 [pid 18492] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 3613] <... close resumed>) = 0 [pid 18498] set_robust_list(0x7fe89d1609e0, 24 [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18498] <... set_robust_list resumed>) = 0 [pid 18498] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 18498] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3613] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18500 [pid 18498] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 18492] <... futex resumed>) = 0 [pid 18498] pipe2( [pid 18492] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18498] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18492] <... futex resumed>) = 0 [pid 18498] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18492] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18498] <... futex resumed>) = 0 [pid 18492] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18498] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18492] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18498] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18492] <... futex resumed>) = 0 [pid 18498] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18492] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 18499 attached [pid 18499] set_robust_list(0x55555697d6e0, 24) = 0 ./strace-static-x86_64: Process 18500 attached [pid 18499] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18500] set_robust_list(0x55555697d6e0, 24 [pid 18499] <... prctl resumed>) = 0 [pid 18500] <... set_robust_list resumed>) = 0 [pid 18499] setpgid(0, 0 [pid 18500] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18499] <... setpgid resumed>) = 0 [pid 18500] <... prctl resumed>) = 0 [pid 18499] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18496] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18500] setpgid(0, 0 [pid 18499] <... openat resumed>) = 3 [pid 18496] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18500] <... setpgid resumed>) = 0 [pid 18499] write(3, "1000", 4 [pid 18496] <... futex resumed>) = 1 [pid 18493] <... futex resumed>) = 0 [pid 18500] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18499] <... write resumed>) = 4 [pid 18496] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18493] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18500] <... openat resumed>) = 3 [pid 18499] close(3 [pid 18496] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18493] <... futex resumed>) = 0 [pid 18500] write(3, "1000", 4 [pid 18499] <... close resumed>) = 0 [pid 18497] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18496] write(4, NULL, 126976 [pid 18493] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18500] <... write resumed>) = 4 [pid 18499] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18498] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18497] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18496] <... write resumed>) = -1 EFAULT (Bad address) [pid 18494] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 18500] close(3 [pid 18499] <... futex resumed>) = 0 [pid 18498] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18497] <... futex resumed>) = 0 [pid 18496] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18494] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18500] <... close resumed>) = 0 [pid 18499] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18498] <... futex resumed>) = 1 [pid 18497] write(4, NULL, 126976 [pid 18496] <... futex resumed>) = 1 [pid 18494] <... futex resumed>) = 0 [pid 18493] <... futex resumed>) = 0 [pid 18492] <... futex resumed>) = 0 [pid 18500] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18499] <... mmap resumed>) = 0x7fe89d140000 [pid 18498] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18497] <... write resumed>) = -1 EFAULT (Bad address) [pid 18496] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18494] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18493] exit_group(0 [pid 18492] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18500] <... futex resumed>) = 0 [pid 18499] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18498] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18497] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18496] <... futex resumed>) = ? [pid 18494] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18493] <... exit_group resumed>) = ? [pid 18492] <... futex resumed>) = 0 [pid 18500] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18499] <... mprotect resumed>) = 0 [pid 18498] write(4, NULL, 126976 [pid 18497] <... futex resumed>) = 0 [pid 18496] +++ exited with 0 +++ [pid 18494] exit_group(0 [pid 18492] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18500] <... mmap resumed>) = 0x7fe89d140000 [pid 18499] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18498] <... write resumed>) = -1 EFAULT (Bad address) [pid 18494] <... exit_group resumed>) = ? [pid 18493] +++ exited with 0 +++ ./strace-static-x86_64: Process 18501 attached [pid 18500] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18498] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18497] +++ exited with 0 +++ [pid 18494] +++ exited with 0 +++ [pid 18500] <... mprotect resumed>) = 0 [pid 18499] <... clone resumed>, parent_tid=[18501], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18501 [pid 18498] <... futex resumed>) = 1 [pid 18492] <... futex resumed>) = 0 [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18494, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18493, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18501] set_robust_list(0x7fe89d1609e0, 24 [pid 18500] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18499] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18498] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18492] exit_group(0 [pid 3609] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 18501] <... set_robust_list resumed>) = 0 [pid 18499] <... futex resumed>) = 0 [pid 18498] <... futex resumed>) = ? [pid 18492] <... exit_group resumed>) = ? [pid 18501] mkdir("./file0", 0777 [pid 18500] <... clone resumed>, parent_tid=[18502], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18502 [pid 18499] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18498] +++ exited with 0 +++ [pid 18492] +++ exited with 0 +++ [pid 3609] <... openat resumed>) = 3 ./strace-static-x86_64: Process 18502 attached [pid 18501] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18500] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3609] ioctl(3, LOOP_CLR_FD [pid 18501] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18500] <... futex resumed>) = 0 [pid 3612] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18492, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3609] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18501] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18500] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 3612] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3611] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 3609] close(3 [pid 18502] set_robust_list(0x7fe89d1609e0, 24 [pid 18501] <... futex resumed>) = 1 [pid 18499] <... futex resumed>) = 0 [pid 3612] <... openat resumed>) = 3 [pid 3611] <... openat resumed>) = 3 [pid 3609] <... close resumed>) = 0 [pid 18502] <... set_robust_list resumed>) = 0 [pid 18499] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3612] ioctl(3, LOOP_CLR_FD [pid 3611] ioctl(3, LOOP_CLR_FD [pid 18501] pipe2( [pid 3609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18502] mkdir("./file0", 0777 [pid 18501] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18499] <... futex resumed>) = 0 [pid 3612] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3611] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18502] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18501] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18499] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3612] close(3 [pid 3611] close(3 [pid 18502] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18501] <... futex resumed>) = 0 [pid 18499] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3612] <... close resumed>) = 0 [pid 3611] <... close resumed>) = 0 [pid 18502] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18501] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18499] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3612] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3609] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18503 [pid 18502] <... futex resumed>) = 1 [pid 18501] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18500] <... futex resumed>) = 0 [pid 18499] <... futex resumed>) = 0 [pid 18502] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18501] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18500] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18499] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3612] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18504 [pid 3611] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18505 [pid 18502] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18500] <... futex resumed>) = 0 [pid 18502] pipe2( [pid 18500] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 18504 attached [pid 18502] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18504] set_robust_list(0x55555697d6e0, 24 [pid 18502] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18504] <... set_robust_list resumed>) = 0 [pid 18502] <... futex resumed>) = 1 [pid 18500] <... futex resumed>) = 0 ./strace-static-x86_64: Process 18503 attached [pid 18504] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18502] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18500] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18504] <... prctl resumed>) = 0 [pid 18503] set_robust_list(0x55555697d6e0, 24 [pid 18502] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18500] <... futex resumed>) = 0 [pid 18504] setpgid(0, 0 [pid 18502] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18504] <... setpgid resumed>) = 0 [pid 18500] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18504] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 18503] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 18505 attached [pid 18503] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18501] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18505] set_robust_list(0x55555697d6e0, 24 [pid 18503] <... prctl resumed>) = 0 [pid 18501] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18504] write(3, "1000", 4 [pid 18505] <... set_robust_list resumed>) = 0 [pid 18503] setpgid(0, 0 [pid 18501] <... futex resumed>) = 1 [pid 18499] <... futex resumed>) = 0 [pid 18504] <... write resumed>) = 4 [pid 18505] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18504] close(3 [pid 18503] <... setpgid resumed>) = 0 [pid 18501] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18499] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18505] <... prctl resumed>) = 0 [pid 18504] <... close resumed>) = 0 [pid 18503] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18502] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18501] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18499] <... futex resumed>) = 0 [pid 18505] setpgid(0, 0 [pid 18504] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18503] <... openat resumed>) = 3 [pid 18502] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18501] write(4, NULL, 126976 [pid 18499] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18505] <... setpgid resumed>) = 0 [pid 18504] <... futex resumed>) = 0 [pid 18503] write(3, "1000", 4 [pid 18502] <... futex resumed>) = 1 [pid 18501] <... write resumed>) = -1 EFAULT (Bad address) [pid 18500] <... futex resumed>) = 0 [pid 18505] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18504] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18503] <... write resumed>) = 4 [pid 18502] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18501] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18500] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18505] <... openat resumed>) = 3 [pid 18504] <... mmap resumed>) = 0x7fe89d140000 [pid 18503] close(3 [pid 18502] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18501] <... futex resumed>) = 1 [pid 18500] <... futex resumed>) = 0 [pid 18499] <... futex resumed>) = 0 [pid 18505] write(3, "1000", 4 [pid 18504] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18503] <... close resumed>) = 0 [pid 18502] write(4, NULL, 126976 [pid 18501] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18500] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18499] exit_group(0 [pid 18505] <... write resumed>) = 4 [pid 18504] <... mprotect resumed>) = 0 [pid 18503] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18502] <... write resumed>) = -1 EFAULT (Bad address) [pid 18501] <... futex resumed>) = ? [pid 18499] <... exit_group resumed>) = ? [pid 18505] close(3 [pid 18504] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18503] <... futex resumed>) = 0 [pid 18501] +++ exited with 0 +++ [pid 18505] <... close resumed>) = 0 [pid 18503] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18505] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18503] <... mmap resumed>) = 0x7fe89d140000 [pid 18505] <... futex resumed>) = 0 [pid 18503] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18505] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18503] <... mprotect resumed>) = 0 [pid 18505] <... mmap resumed>) = 0x7fe89d140000 [pid 18503] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18502] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18499] +++ exited with 0 +++ [pid 18505] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18504] <... clone resumed>, parent_tid=[18506], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18506 [pid 18502] <... futex resumed>) = 1 [pid 18500] <... futex resumed>) = 0 [pid 18505] <... mprotect resumed>) = 0 [pid 18504] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18503] <... clone resumed>, parent_tid=[18507], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18507 [pid 18502] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18500] exit_group(0 [pid 18505] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18504] <... futex resumed>) = 0 [pid 18503] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18502] <... futex resumed>) = ? [pid 18500] <... exit_group resumed>) = ? [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18499, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- ./strace-static-x86_64: Process 18506 attached [pid 18504] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18503] <... futex resumed>) = 0 [pid 18502] +++ exited with 0 +++ [pid 18505] <... clone resumed>, parent_tid=[18508], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18508 [pid 18503] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18505] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 18505] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000}./strace-static-x86_64: Process 18507 attached [pid 18507] set_robust_list(0x7fe89d1609e0, 24) = 0 [pid 18500] +++ exited with 0 +++ [pid 3610] restart_syscall(<... resuming interrupted clone ...> [pid 18507] mkdir("./file0", 0777 [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18500, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3610] <... restart_syscall resumed>) = 0 [pid 3613] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 18507] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3613] <... openat resumed>) = 3 [pid 18507] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3613] ioctl(3, LOOP_CLR_FD [pid 18507] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3613] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3610] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 3613] close(3./strace-static-x86_64: Process 18508 attached [pid 18507] <... futex resumed>) = 1 [pid 18503] <... futex resumed>) = 0 [pid 18506] set_robust_list(0x7fe89d1609e0, 24 [pid 3613] <... close resumed>) = 0 [pid 3610] <... openat resumed>) = 3 [pid 18508] set_robust_list(0x7fe89d1609e0, 24 [pid 18506] <... set_robust_list resumed>) = 0 [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18503] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3610] ioctl(3, LOOP_CLR_FD [pid 18508] <... set_robust_list resumed>) = 0 [pid 18507] pipe2( [pid 18506] mkdir("./file0", 0777 [pid 18503] <... futex resumed>) = 0 [pid 3610] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18508] mkdir("./file0", 0777 [pid 18507] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18506] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18503] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3613] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18509 [pid 3610] close(3 [pid 18508] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18507] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18506] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18503] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3610] <... close resumed>) = 0 [pid 18508] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18506] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18508] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18506] <... futex resumed>) = 1 [pid 18504] <... futex resumed>) = 0 ./strace-static-x86_64: Process 18509 attached [pid 18508] <... futex resumed>) = 1 [pid 18507] <... futex resumed>) = 0 [pid 18506] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18505] <... futex resumed>) = 0 [pid 18504] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18503] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3610] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18510 ./strace-static-x86_64: Process 18510 attached [pid 18509] set_robust_list(0x55555697d6e0, 24 [pid 18508] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18507] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18506] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18505] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18504] <... futex resumed>) = 0 [pid 18503] <... futex resumed>) = 0 [pid 18510] set_robust_list(0x55555697d6e0, 24 [pid 18509] <... set_robust_list resumed>) = 0 [pid 18508] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18506] pipe2( [pid 18505] <... futex resumed>) = 0 [pid 18504] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18503] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18509] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18508] pipe2( [pid 18506] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18505] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18509] <... prctl resumed>) = 0 [pid 18508] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18506] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18508] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18506] <... futex resumed>) = 1 [pid 18504] <... futex resumed>) = 0 [pid 18508] <... futex resumed>) = 1 [pid 18506] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18505] <... futex resumed>) = 0 [pid 18504] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18509] setpgid(0, 0 [pid 18508] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18506] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18505] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18504] <... futex resumed>) = 0 [pid 18509] <... setpgid resumed>) = 0 [pid 18508] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18506] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18505] <... futex resumed>) = 0 [pid 18504] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18510] <... set_robust_list resumed>) = 0 [pid 18509] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18508] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18507] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18505] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18510] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18509] <... openat resumed>) = 3 [pid 18507] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18510] <... prctl resumed>) = 0 [pid 18509] write(3, "1000", 4 [pid 18507] <... futex resumed>) = 1 [pid 18503] <... futex resumed>) = 0 [pid 18510] setpgid(0, 0 [pid 18509] <... write resumed>) = 4 [pid 18507] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18503] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18510] <... setpgid resumed>) = 0 [pid 18509] close(3 [pid 18507] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18503] <... futex resumed>) = 0 [pid 18510] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18509] <... close resumed>) = 0 [pid 18507] write(4, NULL, 126976 [pid 18503] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18510] <... openat resumed>) = 3 [pid 18509] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18507] <... write resumed>) = -1 EFAULT (Bad address) [pid 18510] write(3, "1000", 4 [pid 18509] <... futex resumed>) = 0 [pid 18507] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18510] <... write resumed>) = 4 [pid 18509] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18507] <... futex resumed>) = 1 [pid 18503] <... futex resumed>) = 0 [pid 18510] close(3 [pid 18509] <... mmap resumed>) = 0x7fe89d140000 [pid 18507] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18503] exit_group(0 [pid 18510] <... close resumed>) = 0 [pid 18509] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18507] <... futex resumed>) = ? [pid 18503] <... exit_group resumed>) = ? [pid 18510] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18509] <... mprotect resumed>) = 0 [pid 18507] +++ exited with 0 +++ [pid 18503] +++ exited with 0 +++ [pid 18510] <... futex resumed>) = 0 [pid 18509] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18503, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18510] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe89d140000 [pid 18509] <... clone resumed>, parent_tid=[18511], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18511 [pid 18510] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18509] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18510] <... mprotect resumed>) = 0 [pid 18509] <... futex resumed>) = 0 [pid 18510] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18509] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18510] <... clone resumed>, parent_tid=[18512], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18512 [pid 18510] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3609] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 18510] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 3609] <... openat resumed>) = 3 ./strace-static-x86_64: Process 18512 attached [pid 3609] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 18506] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3609] close(3 [pid 18512] set_robust_list(0x7fe89d1609e0, 24 [pid 18506] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3609] <... close resumed>) = 0 ./strace-static-x86_64: Process 18511 attached [pid 18512] <... set_robust_list resumed>) = 0 [pid 18508] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18506] <... futex resumed>) = 1 [pid 18504] <... futex resumed>) = 0 [pid 3609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18512] mkdir("./file0", 0777 [pid 18511] set_robust_list(0x7fe89d1609e0, 24 [pid 18508] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18506] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18504] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18512] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18511] <... set_robust_list resumed>) = 0 [pid 18508] <... futex resumed>) = 1 [pid 18506] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18505] <... futex resumed>) = 0 [pid 18504] <... futex resumed>) = 0 ./strace-static-x86_64: Process 18513 attached [pid 18512] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18505] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3609] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18513 [pid 18513] set_robust_list(0x55555697d6e0, 24 [pid 18512] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18508] write(4, NULL, 126976 [pid 18506] write(4, NULL, 126976 [pid 18505] <... futex resumed>) = 0 [pid 18504] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18513] <... set_robust_list resumed>) = 0 [pid 18512] <... futex resumed>) = 1 [pid 18511] mkdir("./file0", 0777 [pid 18510] <... futex resumed>) = 0 [pid 18508] <... write resumed>) = -1 EFAULT (Bad address) [pid 18506] <... write resumed>) = -1 EFAULT (Bad address) [pid 18505] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18513] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18512] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18511] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18510] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18508] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18506] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18505] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18513] <... prctl resumed>) = 0 [pid 18512] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18511] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18510] <... futex resumed>) = 0 [pid 18508] <... futex resumed>) = 0 [pid 18506] <... futex resumed>) = 1 [pid 18505] exit_group(0 [pid 18504] <... futex resumed>) = 0 [pid 18513] setpgid(0, 0 [pid 18512] pipe2( [pid 18511] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18510] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18506] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18505] <... exit_group resumed>) = ? [pid 18504] exit_group(0 [pid 18513] <... setpgid resumed>) = 0 [pid 18512] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18513] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18508] +++ exited with 0 +++ [pid 18505] +++ exited with 0 +++ [pid 18504] <... exit_group resumed>) = ? [pid 18506] <... futex resumed>) = ? [pid 18513] <... openat resumed>) = 3 [pid 18512] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18511] <... futex resumed>) = 1 [pid 18509] <... futex resumed>) = 0 [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18505, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18513] write(3, "1000", 4 [pid 18509] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18513] <... write resumed>) = 4 [pid 18509] <... futex resumed>) = 0 [pid 18513] close(3 [pid 18512] <... futex resumed>) = 1 [pid 18511] pipe2( [pid 18510] <... futex resumed>) = 0 [pid 18509] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18506] +++ exited with 0 +++ [pid 18504] +++ exited with 0 +++ [pid 18513] <... close resumed>) = 0 [pid 18512] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18511] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18510] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18513] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18512] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18511] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18510] <... futex resumed>) = 0 [pid 3612] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18504, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 18513] <... futex resumed>) = 0 [pid 18512] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18511] <... futex resumed>) = 1 [pid 18510] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18509] <... futex resumed>) = 0 [pid 18513] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18509] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 18513] <... mmap resumed>) = 0x7fe89d140000 [pid 3612] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3611] <... openat resumed>) = 3 [pid 18513] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18509] <... futex resumed>) = 0 [pid 3612] <... openat resumed>) = 3 [pid 3611] ioctl(3, LOOP_CLR_FD [pid 18513] <... mprotect resumed>) = 0 [pid 18509] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3612] ioctl(3, LOOP_CLR_FD [pid 3611] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18513] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18511] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 3612] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3611] close(3 [pid 3612] close(3 [pid 3611] <... close resumed>) = 0 [pid 18513] <... clone resumed>, parent_tid=[18514], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18514 [pid 3612] <... close resumed>) = 0 [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18513] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3612] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18513] <... futex resumed>) = 0 [pid 3611] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18515 [pid 18513] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 3612] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18516 ./strace-static-x86_64: Process 18516 attached [pid 18516] set_robust_list(0x55555697d6e0, 24) = 0 ./strace-static-x86_64: Process 18514 attached [pid 18516] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18514] set_robust_list(0x7fe89d1609e0, 24 [pid 18512] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18514] <... set_robust_list resumed>) = 0 [pid 18512] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18516] <... prctl resumed>) = 0 [pid 18514] mkdir("./file0", 0777 [pid 18512] <... futex resumed>) = 1 [pid 18510] <... futex resumed>) = 0 [pid 18516] setpgid(0, 0 [pid 18514] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18510] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18516] <... setpgid resumed>) = 0 [pid 18514] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18512] write(4, NULL, 126976 [pid 18511] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18510] <... futex resumed>) = 0 ./strace-static-x86_64: Process 18515 attached [pid 18516] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18514] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18512] <... write resumed>) = -1 EFAULT (Bad address) [pid 18511] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18510] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18516] <... openat resumed>) = 3 [pid 18515] set_robust_list(0x55555697d6e0, 24 [pid 18514] <... futex resumed>) = 1 [pid 18513] <... futex resumed>) = 0 [pid 18512] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18511] <... futex resumed>) = 1 [pid 18509] <... futex resumed>) = 0 [pid 18516] write(3, "1000", 4 [pid 18515] <... set_robust_list resumed>) = 0 [pid 18514] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18513] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18512] <... futex resumed>) = 1 [pid 18511] write(4, NULL, 126976 [pid 18510] <... futex resumed>) = 0 [pid 18509] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18516] <... write resumed>) = 4 [pid 18515] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18514] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18513] <... futex resumed>) = 0 [pid 18512] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18511] <... write resumed>) = -1 EFAULT (Bad address) [pid 18510] exit_group(0 [pid 18509] <... futex resumed>) = 0 [pid 18516] close(3 [pid 18515] <... prctl resumed>) = 0 [pid 18514] pipe2( [pid 18513] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18512] <... futex resumed>) = ? [pid 18511] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18510] <... exit_group resumed>) = ? [pid 18509] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18516] <... close resumed>) = 0 [pid 18515] setpgid(0, 0 [pid 18514] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18512] +++ exited with 0 +++ [pid 18511] <... futex resumed>) = 0 [pid 18509] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18516] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18515] <... setpgid resumed>) = 0 [pid 18514] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18510] +++ exited with 0 +++ [pid 18511] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18509] exit_group(0 [pid 18516] <... futex resumed>) = 0 [pid 18515] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18514] <... futex resumed>) = 1 [pid 18513] <... futex resumed>) = 0 [pid 18511] <... futex resumed>) = ? [pid 18509] <... exit_group resumed>) = ? [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18510, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18516] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18514] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18513] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3610] restart_syscall(<... resuming interrupted clone ...> [pid 18516] <... mmap resumed>) = 0x7fe89d140000 [pid 18514] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18513] <... futex resumed>) = 0 [pid 3610] <... restart_syscall resumed>) = 0 [pid 18516] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18515] <... openat resumed>) = 3 [pid 18514] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18513] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18511] +++ exited with 0 +++ [pid 18509] +++ exited with 0 +++ [pid 18516] <... mprotect resumed>) = 0 [pid 18515] write(3, "1000", 4 [pid 18516] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18515] <... write resumed>) = 4 [pid 18515] close(3 [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18509, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3610] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 18516] <... clone resumed>, parent_tid=[18517], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18517 [pid 18515] <... close resumed>) = 0 [pid 18515] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 18515] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3613] restart_syscall(<... resuming interrupted clone ...> [pid 18516] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18515] <... mmap resumed>) = 0x7fe89d140000 [pid 3613] <... restart_syscall resumed>) = 0 [pid 3610] <... openat resumed>) = 3 [pid 18516] <... futex resumed>) = 0 [pid 18515] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 3610] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 18517 attached [pid 18516] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18515] <... mprotect resumed>) = 0 [pid 18515] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3613] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 18517] set_robust_list(0x7fe89d1609e0, 24 [pid 18514] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3613] <... openat resumed>) = 3 [pid 3610] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18517] <... set_robust_list resumed>) = 0 [pid 18515] <... clone resumed>, parent_tid=[18518], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18518 [pid 18514] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3613] ioctl(3, LOOP_CLR_FD [pid 3610] close(3 [pid 18517] mkdir("./file0", 0777 [pid 18515] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18514] <... futex resumed>) = 1 [pid 18513] <... futex resumed>) = 0 [pid 3613] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3610] <... close resumed>) = 0 [pid 18517] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18515] <... futex resumed>) = 0 [pid 18514] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18513] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3613] close(3 [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18517] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18515] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18514] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18513] <... futex resumed>) = 0 [pid 3613] <... close resumed>) = 0 ./strace-static-x86_64: Process 18518 attached [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18518] set_robust_list(0x7fe89d1609e0, 24) = 0 [pid 3613] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18519 [pid 18518] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 18518] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18518] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 18515] <... futex resumed>) = 0 [pid 18518] pipe2( [pid 18515] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18518] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18515] <... futex resumed>) = 0 ./strace-static-x86_64: Process 18519 attached [pid 18518] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18517] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18515] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18514] write(4, NULL, 126976 [pid 18513] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 18520 attached [pid 18519] set_robust_list(0x55555697d6e0, 24 [pid 18518] <... futex resumed>) = 0 [pid 18517] <... futex resumed>) = 1 [pid 18516] <... futex resumed>) = 0 [pid 18515] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18514] <... write resumed>) = -1 EFAULT (Bad address) [pid 3610] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18520 [pid 18520] set_robust_list(0x55555697d6e0, 24 [pid 18519] <... set_robust_list resumed>) = 0 [pid 18518] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18517] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18516] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18515] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18514] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18520] <... set_robust_list resumed>) = 0 [pid 18519] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18518] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18517] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18516] <... futex resumed>) = 0 [pid 18515] <... futex resumed>) = 0 [pid 18514] <... futex resumed>) = 1 [pid 18513] <... futex resumed>) = 0 [pid 18520] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18519] <... prctl resumed>) = 0 [pid 18518] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18517] pipe2( [pid 18516] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18515] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18514] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18513] exit_group(0 [pid 18520] <... prctl resumed>) = 0 [pid 18519] setpgid(0, 0 [pid 18517] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18514] <... futex resumed>) = ? [pid 18513] <... exit_group resumed>) = ? [pid 18520] setpgid(0, 0 [pid 18519] <... setpgid resumed>) = 0 [pid 18517] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18514] +++ exited with 0 +++ [pid 18513] +++ exited with 0 +++ [pid 18519] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18517] <... futex resumed>) = 1 [pid 18516] <... futex resumed>) = 0 [pid 3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18513, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 18520] <... setpgid resumed>) = 0 [pid 18519] <... openat resumed>) = 3 [pid 18517] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18516] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3609] restart_syscall(<... resuming interrupted clone ...> [pid 18519] write(3, "1000", 4 [pid 18517] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18516] <... futex resumed>) = 0 [pid 3609] <... restart_syscall resumed>) = 0 [pid 18519] <... write resumed>) = 4 [pid 18517] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18516] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18519] close(3) = 0 [pid 3609] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 18519] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3609] <... openat resumed>) = 3 [pid 18520] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18519] <... futex resumed>) = 0 [pid 3609] ioctl(3, LOOP_CLR_FD [pid 18519] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3609] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18520] <... openat resumed>) = 3 [pid 18519] <... mmap resumed>) = 0x7fe89d140000 [pid 3609] close(3 [pid 18520] write(3, "1000", 4 [pid 18519] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 3609] <... close resumed>) = 0 [pid 18520] <... write resumed>) = 4 [pid 18519] <... mprotect resumed>) = 0 [pid 3609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18520] close(3 [pid 18519] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18520] <... close resumed>) = 0 [pid 18518] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18520] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18519] <... clone resumed>, parent_tid=[18522], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18522 [pid 18518] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18520] <... futex resumed>) = 0 [pid 18519] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18518] <... futex resumed>) = 1 [pid 18515] <... futex resumed>) = 0 [pid 3609] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18521 [pid 18520] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18519] <... futex resumed>) = 0 [pid 18518] write(4, NULL, 126976 [pid 18515] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18520] <... mmap resumed>) = 0x7fe89d140000 [pid 18518] <... write resumed>) = -1 EFAULT (Bad address) [pid 18515] <... futex resumed>) = 0 [pid 18520] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18519] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18518] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18515] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18520] <... mprotect resumed>) = 0 [pid 18518] <... futex resumed>) = 0 [pid 18515] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18520] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18518] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18517] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18515] exit_group(0./strace-static-x86_64: Process 18521 attached [pid 18518] <... futex resumed>) = ? [pid 18517] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18515] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 18523 attached ./strace-static-x86_64: Process 18522 attached [pid 18521] set_robust_list(0x55555697d6e0, 24 [pid 18520] <... clone resumed>, parent_tid=[18523], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18523 [pid 18518] +++ exited with 0 +++ [pid 18517] <... futex resumed>) = 1 [pid 18516] <... futex resumed>) = 0 [pid 18515] +++ exited with 0 +++ [pid 18521] <... set_robust_list resumed>) = 0 [pid 18520] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18515, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18521] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18520] <... futex resumed>) = 0 [pid 18517] write(4, NULL, 126976 [pid 18516] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18523] set_robust_list(0x7fe89d1609e0, 24 [pid 18522] set_robust_list(0x7fe89d1609e0, 24 [pid 18521] <... prctl resumed>) = 0 [pid 18520] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18517] <... write resumed>) = -1 EFAULT (Bad address) [pid 18516] <... futex resumed>) = 0 [pid 18523] <... set_robust_list resumed>) = 0 [pid 18522] <... set_robust_list resumed>) = 0 [pid 18521] setpgid(0, 0 [pid 18517] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18516] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18523] mkdir("./file0", 0777 [pid 18522] mkdir("./file0", 0777 [pid 18521] <... setpgid resumed>) = 0 [pid 18517] <... futex resumed>) = 0 [pid 18516] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18523] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18522] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18521] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18517] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18516] exit_group(0 [pid 18523] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18522] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18521] <... openat resumed>) = 3 [pid 18517] <... futex resumed>) = ? [pid 18516] <... exit_group resumed>) = ? [pid 3611] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 18523] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18522] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18521] write(3, "1000", 4 [pid 18517] +++ exited with 0 +++ [pid 3611] <... openat resumed>) = 3 [pid 18523] <... futex resumed>) = 1 [pid 18522] <... futex resumed>) = 1 [pid 18521] <... write resumed>) = 4 [pid 18520] <... futex resumed>) = 0 [pid 18519] <... futex resumed>) = 0 [pid 18516] +++ exited with 0 +++ [pid 3611] ioctl(3, LOOP_CLR_FD [pid 18523] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18522] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18521] close(3 [pid 18520] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18519] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3612] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18516, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3611] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18523] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18522] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18521] <... close resumed>) = 0 [pid 18520] <... futex resumed>) = 0 [pid 18519] <... futex resumed>) = 0 [pid 3612] restart_syscall(<... resuming interrupted clone ...> [pid 3611] close(3 [pid 18523] pipe2( [pid 18522] pipe2( [pid 18521] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18520] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18519] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3611] <... close resumed>) = 0 [pid 3612] <... restart_syscall resumed>) = 0 [pid 18523] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18522] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18521] <... futex resumed>) = 0 [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18524 attached [pid 18523] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18522] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18521] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18524] set_robust_list(0x55555697d6e0, 24 [pid 18523] <... futex resumed>) = 1 [pid 18522] <... futex resumed>) = 1 [pid 18521] <... mmap resumed>) = 0x7fe89d140000 [pid 18520] <... futex resumed>) = 0 [pid 18519] <... futex resumed>) = 0 [pid 3612] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3611] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18524 [pid 18524] <... set_robust_list resumed>) = 0 [pid 18523] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18522] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18521] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18520] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18519] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3612] <... openat resumed>) = 3 [pid 18524] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18523] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18522] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18521] <... mprotect resumed>) = 0 [pid 18520] <... futex resumed>) = 0 [pid 18519] <... futex resumed>) = 0 [pid 3612] ioctl(3, LOOP_CLR_FD [pid 18524] <... prctl resumed>) = 0 [pid 18523] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18522] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18521] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18520] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18519] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3612] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18524] setpgid(0, 0 [pid 18521] <... clone resumed>, parent_tid=[18525], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18525 [pid 3612] close(3 [pid 18521] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3612] <... close resumed>) = 0 [pid 18521] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 3612] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18525 attached [pid 18525] set_robust_list(0x7fe89d1609e0, 24 [pid 3612] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18526 [pid 18525] <... set_robust_list resumed>) = 0 [pid 18525] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 18525] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18525] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 18521] <... futex resumed>) = 0 [pid 18525] pipe2( [pid 18521] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18525] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18521] <... futex resumed>) = 0 [pid 18525] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18521] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18525] <... futex resumed>) = 0 [pid 18521] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18525] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18521] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18525] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18521] <... futex resumed>) = 0 [pid 18525] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18521] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 18526 attached [pid 18524] <... setpgid resumed>) = 0 [pid 18523] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18522] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18526] set_robust_list(0x55555697d6e0, 24 [pid 18524] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18523] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18522] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18526] <... set_robust_list resumed>) = 0 [pid 18524] <... openat resumed>) = 3 [pid 18523] <... futex resumed>) = 1 [pid 18522] <... futex resumed>) = 1 [pid 18520] <... futex resumed>) = 0 [pid 18519] <... futex resumed>) = 0 [pid 18526] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18524] write(3, "1000", 4 [pid 18523] write(4, NULL, 126976 [pid 18522] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18520] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18519] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18526] <... prctl resumed>) = 0 [pid 18524] <... write resumed>) = 4 [pid 18523] <... write resumed>) = -1 EFAULT (Bad address) [pid 18522] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18520] <... futex resumed>) = 0 [pid 18519] <... futex resumed>) = 0 [pid 18526] setpgid(0, 0 [pid 18524] close(3 [pid 18523] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18522] write(4, NULL, 126976 [pid 18520] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18519] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18526] <... setpgid resumed>) = 0 [pid 18524] <... close resumed>) = 0 [pid 18523] <... futex resumed>) = 0 [pid 18522] <... write resumed>) = -1 EFAULT (Bad address) [pid 18520] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18526] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18525] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18524] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18523] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18522] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18520] exit_group(0 [pid 18526] <... openat resumed>) = 3 [pid 18525] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18524] <... futex resumed>) = 0 [pid 18523] <... futex resumed>) = ? [pid 18522] <... futex resumed>) = 1 [pid 18520] <... exit_group resumed>) = ? [pid 18519] <... futex resumed>) = 0 [pid 18526] write(3, "1000", 4 [pid 18525] <... futex resumed>) = 1 [pid 18524] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18523] +++ exited with 0 +++ [pid 18522] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18521] <... futex resumed>) = 0 [pid 18519] exit_group(0 [pid 18526] <... write resumed>) = 4 [pid 18525] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18524] <... mmap resumed>) = 0x7fe89d140000 [pid 18522] <... futex resumed>) = ? [pid 18519] <... exit_group resumed>) = ? [pid 18526] close(3 [pid 18524] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18522] +++ exited with 0 +++ [pid 18521] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18520] +++ exited with 0 +++ [pid 18519] +++ exited with 0 +++ [pid 18526] <... close resumed>) = 0 [pid 18525] <... futex resumed>) = 0 [pid 18524] <... mprotect resumed>) = 0 [pid 18521] <... futex resumed>) = 1 [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18520, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18526] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18525] write(4, NULL, 126976 [pid 18524] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18521] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18519, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3610] restart_syscall(<... resuming interrupted clone ...> [pid 18526] <... futex resumed>) = 0 [pid 18525] <... write resumed>) = -1 EFAULT (Bad address) [pid 3613] restart_syscall(<... resuming interrupted clone ...> [pid 3610] <... restart_syscall resumed>) = 0 [pid 18526] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18525] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18524] <... clone resumed>, parent_tid=[18527], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18527 [pid 3613] <... restart_syscall resumed>) = 0 [pid 18526] <... mmap resumed>) = 0x7fe89d140000 [pid 18525] <... futex resumed>) = 1 [pid 18524] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18521] <... futex resumed>) = 0 [pid 18526] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18525] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18524] <... futex resumed>) = 0 [pid 18521] exit_group(0 [pid 3610] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 18526] <... mprotect resumed>) = 0 [pid 18525] <... futex resumed>) = ? [pid 18524] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18521] <... exit_group resumed>) = ? [pid 3610] <... openat resumed>) = 3 [pid 18526] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18525] +++ exited with 0 +++ [pid 3610] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 18526] <... clone resumed>, parent_tid=[18528], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18528 [pid 3610] close(3 [pid 18526] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3610] <... close resumed>) = 0 [pid 18526] <... futex resumed>) = 0 [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18527 attached [pid 18526] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18521] +++ exited with 0 +++ [pid 3613] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 3610] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18529 [pid 3613] ioctl(3, LOOP_CLR_FD [pid 3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18521, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3613] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3613] close(3./strace-static-x86_64: Process 18529 attached ./strace-static-x86_64: Process 18528 attached [pid 18527] set_robust_list(0x7fe89d1609e0, 24 [pid 3613] <... close resumed>) = 0 [pid 18529] set_robust_list(0x55555697d6e0, 24 [pid 18528] set_robust_list(0x7fe89d1609e0, 24 [pid 18527] <... set_robust_list resumed>) = 0 [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18529] <... set_robust_list resumed>) = 0 [pid 18528] <... set_robust_list resumed>) = 0 [pid 18527] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3613] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18530 [pid 18527] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3609] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 18527] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3609] <... openat resumed>) = 3 [pid 18527] <... futex resumed>) = 1 [pid 18524] <... futex resumed>) = 0 [pid 3609] ioctl(3, LOOP_CLR_FD [pid 18527] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18524] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18527] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18524] <... futex resumed>) = 0 [pid 3609] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18529] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18527] pipe2( [pid 18524] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18527] <... pipe2 resumed>[3, 4], 0) = 0 [pid 3609] close(3 [pid 18529] <... prctl resumed>) = 0 [pid 18527] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3609] <... close resumed>) = 0 [pid 18529] setpgid(0, 0 [pid 18527] <... futex resumed>) = 1 [pid 18524] <... futex resumed>) = 0 [pid 3609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18529] <... setpgid resumed>) = 0 [pid 18527] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18524] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 18530 attached [pid 18524] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18530] set_robust_list(0x55555697d6e0, 24 [pid 18527] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18530] <... set_robust_list resumed>) = 0 [pid 18527] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18530] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18529] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3609] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18531 [pid 18530] <... prctl resumed>) = 0 [pid 18530] setpgid(0, 0) = 0 [pid 18530] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 18531 attached ) = 3 [pid 18531] set_robust_list(0x55555697d6e0, 24 [pid 18530] write(3, "1000", 4 [pid 18531] <... set_robust_list resumed>) = 0 [pid 18530] <... write resumed>) = 4 [pid 18531] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18530] close(3 [pid 18531] <... prctl resumed>) = 0 [pid 18530] <... close resumed>) = 0 [pid 18531] setpgid(0, 0 [pid 18530] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18531] <... setpgid resumed>) = 0 [pid 18530] <... futex resumed>) = 0 [pid 18529] <... openat resumed>) = 3 [pid 18531] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18530] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18529] write(3, "1000", 4 [pid 18531] <... openat resumed>) = 3 [pid 18530] <... mmap resumed>) = 0x7fe89d140000 [pid 18529] <... write resumed>) = 4 [pid 18531] write(3, "1000", 4 [pid 18530] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18529] close(3 [pid 18528] mkdir("./file0", 0777 [pid 18527] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18531] <... write resumed>) = 4 [pid 18530] <... mprotect resumed>) = 0 [pid 18529] <... close resumed>) = 0 [pid 18528] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18531] close(3 [pid 18530] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18529] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18528] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18531] <... close resumed>) = 0 [pid 18529] <... futex resumed>) = 0 [pid 18527] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18531] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18530] <... clone resumed>, parent_tid=[18532], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18532 [pid 18528] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18531] <... futex resumed>) = 0 [pid 18530] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18529] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18528] <... futex resumed>) = 1 [pid 18527] <... futex resumed>) = 1 [pid 18526] <... futex resumed>) = 0 [pid 18524] <... futex resumed>) = 0 [pid 18531] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18530] <... futex resumed>) = 0 [pid 18529] <... mmap resumed>) = 0x7fe89d140000 [pid 18528] pipe2( [pid 18527] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18526] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18524] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18531] <... mmap resumed>) = 0x7fe89d140000 [pid 18530] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18529] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18526] <... futex resumed>) = 0 [pid 18528] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18524] <... futex resumed>) = 0 [pid 18527] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18531] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18529] <... mprotect resumed>) = 0 [pid 18528] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18527] write(4, NULL, 126976 [pid 18526] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18524] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 18532 attached [pid 18531] <... mprotect resumed>) = 0 [pid 18529] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18528] <... futex resumed>) = 0 [pid 18527] <... write resumed>) = -1 EFAULT (Bad address) [pid 18526] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18532] set_robust_list(0x7fe89d1609e0, 24 [pid 18531] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18526] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18528] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18527] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18532] <... set_robust_list resumed>) = 0 [pid 18529] <... clone resumed>, parent_tid=[18533], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18533 [pid 18526] <... futex resumed>) = 0 [pid 18532] mkdir("./file0", 0777 [pid 18531] <... clone resumed>, parent_tid=[18534], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18534 [pid 18529] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18527] <... futex resumed>) = 1 [pid 18526] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18524] <... futex resumed>) = 0 [pid 18532] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18531] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18524] exit_group(0 [pid 18532] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18531] <... futex resumed>) = 0 [pid 18529] <... futex resumed>) = 0 [pid 18524] <... exit_group resumed>) = ? [pid 18532] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18531] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18532] <... futex resumed>) = 1 [pid 18530] <... futex resumed>) = 0 [pid 18529] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000}./strace-static-x86_64: Process 18534 attached [pid 18532] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18530] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18534] set_robust_list(0x7fe89d1609e0, 24 [pid 18532] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18530] <... futex resumed>) = 0 [pid 18534] <... set_robust_list resumed>) = 0 [pid 18532] pipe2( [pid 18530] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18534] mkdir("./file0", 0777 [pid 18532] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18527] +++ exited with 0 +++ [pid 18524] +++ exited with 0 +++ [pid 18534] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18532] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18524, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 18534] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18532] <... futex resumed>) = 1 [pid 18530] <... futex resumed>) = 0 [pid 3611] restart_syscall(<... resuming interrupted clone ...> [pid 18534] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18532] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18530] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] <... restart_syscall resumed>) = 0 [pid 18534] <... futex resumed>) = 1 [pid 18532] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18531] <... futex resumed>) = 0 [pid 18530] <... futex resumed>) = 0 ./strace-static-x86_64: Process 18533 attached [pid 18534] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18532] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18531] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18530] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18534] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18528] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18528] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 18531] <... futex resumed>) = 0 [pid 18534] pipe2( [pid 18528] <... futex resumed>) = 1 [pid 18526] <... futex resumed>) = 0 [pid 3611] <... openat resumed>) = 3 [pid 18534] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18531] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18528] write(4, NULL, 126976 [pid 18526] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] ioctl(3, LOOP_CLR_FD [pid 18534] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18531] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18528] <... write resumed>) = -1 EFAULT (Bad address) [pid 18526] <... futex resumed>) = 0 [pid 3611] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18528] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18526] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3611] close(3 [pid 18528] <... futex resumed>) = 0 [pid 18526] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3611] <... close resumed>) = 0 [pid 18528] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18526] exit_group(0 [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18535 attached [pid 18534] <... futex resumed>) = 0 [pid 18533] set_robust_list(0x7fe89d1609e0, 24 [pid 18531] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18528] <... futex resumed>) = ? [pid 18526] <... exit_group resumed>) = ? [pid 18535] set_robust_list(0x55555697d6e0, 24 [pid 18534] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18533] <... set_robust_list resumed>) = 0 [pid 18531] <... futex resumed>) = 0 [pid 18528] +++ exited with 0 +++ [pid 18532] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18526] +++ exited with 0 +++ [pid 3611] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18535 [pid 18532] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18531] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3612] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18526, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18532] <... futex resumed>) = 1 [pid 18530] <... futex resumed>) = 0 [pid 18532] write(4, NULL, 126976 [pid 18530] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18532] <... write resumed>) = -1 EFAULT (Bad address) [pid 18530] <... futex resumed>) = 0 [pid 3612] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 18533] mkdir("./file0", 0777 [pid 18532] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18530] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3612] <... openat resumed>) = 3 [pid 18532] <... futex resumed>) = 0 [pid 18530] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18533] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3612] ioctl(3, LOOP_CLR_FD [pid 18532] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18530] exit_group(0 [pid 3612] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18533] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18532] <... futex resumed>) = ? [pid 18530] <... exit_group resumed>) = ? [pid 3612] close(3 [pid 18534] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18533] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18532] +++ exited with 0 +++ [pid 18530] +++ exited with 0 +++ [pid 18535] <... set_robust_list resumed>) = 0 [pid 3612] <... close resumed>) = 0 [pid 18533] <... futex resumed>) = 1 [pid 18529] <... futex resumed>) = 0 [pid 3612] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18535] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18534] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18533] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18529] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18530, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18535] <... prctl resumed>) = 0 [pid 18534] <... futex resumed>) = 1 [pid 18533] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18531] <... futex resumed>) = 0 [pid 18529] <... futex resumed>) = 0 [pid 3613] openat(AT_FDCWD, "/dev/loop4", O_RDWR./strace-static-x86_64: Process 18536 attached [pid 18535] setpgid(0, 0 [pid 18534] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18533] pipe2( [pid 18531] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18529] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3612] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18536 [pid 18536] set_robust_list(0x55555697d6e0, 24 [pid 18535] <... setpgid resumed>) = 0 [pid 18534] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18533] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18531] <... futex resumed>) = 0 [pid 3613] <... openat resumed>) = 3 [pid 18535] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18534] write(4, NULL, 126976 [pid 18533] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18531] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3613] ioctl(3, LOOP_CLR_FD [pid 18536] <... set_robust_list resumed>) = 0 [pid 18535] <... openat resumed>) = 3 [pid 18534] <... write resumed>) = -1 EFAULT (Bad address) [pid 18533] <... futex resumed>) = 1 [pid 18529] <... futex resumed>) = 0 [pid 3613] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18536] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18535] write(3, "1000", 4 [pid 18534] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18533] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18529] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18536] <... prctl resumed>) = 0 [pid 18535] <... write resumed>) = 4 [pid 18534] <... futex resumed>) = 1 [pid 18533] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18531] <... futex resumed>) = 0 [pid 18529] <... futex resumed>) = 0 [pid 3613] close(3 [pid 18536] setpgid(0, 0 [pid 18535] close(3 [pid 18534] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18533] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18531] exit_group(0 [pid 18529] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18536] <... setpgid resumed>) = 0 [pid 18535] <... close resumed>) = 0 [pid 18531] <... exit_group resumed>) = ? [pid 3613] <... close resumed>) = 0 [pid 18536] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18535] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18534] <... futex resumed>) = ? [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18536] <... openat resumed>) = 3 [pid 18536] write(3, "1000", 4 [pid 18535] <... futex resumed>) = 0 [pid 18534] +++ exited with 0 +++ [pid 18531] +++ exited with 0 +++ [pid 3613] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18537 [pid 18536] <... write resumed>) = 4 [pid 18535] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18531, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18536] close(3 [pid 3609] restart_syscall(<... resuming interrupted clone ...> [pid 18536] <... close resumed>) = 0 [pid 3609] <... restart_syscall resumed>) = 0 [pid 18536] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 18536] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3609] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 18536] <... mmap resumed>) = 0x7fe89d140000 [pid 3609] <... openat resumed>) = 3 [pid 18536] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 3609] ioctl(3, LOOP_CLR_FD [pid 18536] <... mprotect resumed>) = 0 [pid 3609] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18536] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3609] close(3 [pid 18535] <... mmap resumed>) = 0x7fe89d140000 [pid 3609] <... close resumed>) = 0 [pid 18536] <... clone resumed>, parent_tid=[18538], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18538 [pid 18535] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 3609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18537 attached [pid 18536] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18535] <... mprotect resumed>) = 0 [pid 18537] set_robust_list(0x55555697d6e0, 24 [pid 18536] <... futex resumed>) = 0 [pid 18535] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3609] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18539 [pid 18537] <... set_robust_list resumed>) = 0 [pid 18536] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18533] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18537] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18535] <... clone resumed>, parent_tid=[18540], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18540 [pid 18533] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 18538 attached [pid 18537] <... prctl resumed>) = 0 [pid 18535] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18533] <... futex resumed>) = 1 [pid 18529] <... futex resumed>) = 0 ./strace-static-x86_64: Process 18540 attached ./strace-static-x86_64: Process 18539 attached [pid 18538] set_robust_list(0x7fe89d1609e0, 24 [pid 18537] setpgid(0, 0 [pid 18535] <... futex resumed>) = 0 [pid 18533] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18529] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18540] set_robust_list(0x7fe89d1609e0, 24 [pid 18539] set_robust_list(0x55555697d6e0, 24 [pid 18538] <... set_robust_list resumed>) = 0 [pid 18537] <... setpgid resumed>) = 0 [pid 18535] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18533] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18529] <... futex resumed>) = 0 [pid 18540] <... set_robust_list resumed>) = 0 [pid 18539] <... set_robust_list resumed>) = 0 [pid 18538] mkdir("./file0", 0777 [pid 18537] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18533] write(4, NULL, 126976 [pid 18529] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18540] mkdir("./file0", 0777 [pid 18539] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18538] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18537] <... openat resumed>) = 3 [pid 18533] <... write resumed>) = -1 EFAULT (Bad address) [pid 18540] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18539] <... prctl resumed>) = 0 [pid 18538] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18538] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 18536] <... futex resumed>) = 0 [pid 18538] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18536] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18540] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18539] setpgid(0, 0 [pid 18538] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18537] write(3, "1000", 4 [pid 18536] <... futex resumed>) = 0 [pid 18533] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18540] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18539] <... setpgid resumed>) = 0 [pid 18537] <... write resumed>) = 4 [pid 18533] <... futex resumed>) = 1 [pid 18540] <... futex resumed>) = 1 [pid 18539] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18537] close(3 [pid 18535] <... futex resumed>) = 0 [pid 18533] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18540] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18539] <... openat resumed>) = 3 [pid 18538] pipe2( [pid 18537] <... close resumed>) = 0 [pid 18536] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18535] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18529] <... futex resumed>) = 0 [pid 18540] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18539] write(3, "1000", 4 [pid 18538] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18537] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18535] <... futex resumed>) = 0 [pid 18529] exit_group(0 [pid 18540] pipe2( [pid 18539] <... write resumed>) = 4 [pid 18538] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18537] <... futex resumed>) = 0 [pid 18535] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18533] <... futex resumed>) = ? [pid 18529] <... exit_group resumed>) = ? [pid 18540] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18539] close(3 [pid 18538] <... futex resumed>) = 1 [pid 18537] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18536] <... futex resumed>) = 0 [pid 18533] +++ exited with 0 +++ [pid 18540] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18539] <... close resumed>) = 0 [pid 18537] <... mmap resumed>) = 0x7fe89d140000 [pid 18540] <... futex resumed>) = 1 [pid 18539] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18537] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18535] <... futex resumed>) = 0 [pid 18540] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18539] <... futex resumed>) = 0 [pid 18537] <... mprotect resumed>) = 0 [pid 18535] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18529] +++ exited with 0 +++ [pid 18540] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18539] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18538] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18537] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18536] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18535] <... futex resumed>) = 0 [pid 18540] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18539] <... mmap resumed>) = 0x7fe89d140000 [pid 18535] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 18541 attached [pid 18539] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18537] <... clone resumed>, parent_tid=[18541], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18541 [pid 18536] <... futex resumed>) = 0 [pid 18538] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18529, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18541] set_robust_list(0x7fe89d1609e0, 24 [pid 18539] <... mprotect resumed>) = 0 [pid 18538] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18537] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18536] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18541] <... set_robust_list resumed>) = 0 [pid 18540] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18539] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18538] <... futex resumed>) = 0 [pid 18537] <... futex resumed>) = 0 [pid 18536] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ./strace-static-x86_64: Process 18542 attached [pid 18541] mkdir("./file0", 0777 [pid 18540] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18538] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18537] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18536] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3610] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 18542] set_robust_list(0x7fe89d1609e0, 24 [pid 18541] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18540] <... futex resumed>) = 1 [pid 18539] <... clone resumed>, parent_tid=[18542], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18542 [pid 18538] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18536] <... futex resumed>) = 0 [pid 18535] <... futex resumed>) = 0 [pid 18542] <... set_robust_list resumed>) = 0 [pid 18541] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18540] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18539] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18538] write(4, NULL, 126976 [pid 18536] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18535] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3610] <... openat resumed>) = 3 [pid 18542] mkdir("./file0", 0777 [pid 18541] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18540] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18539] <... futex resumed>) = 0 [pid 18538] <... write resumed>) = -1 EFAULT (Bad address) [pid 18535] <... futex resumed>) = 0 [pid 3610] ioctl(3, LOOP_CLR_FD [pid 18542] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18541] <... futex resumed>) = 1 [pid 18540] write(4, NULL, 126976 [pid 18539] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18538] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18537] <... futex resumed>) = 0 [pid 18535] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3610] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18542] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18541] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18540] <... write resumed>) = -1 EFAULT (Bad address) [pid 18538] <... futex resumed>) = 1 [pid 18537] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18536] <... futex resumed>) = 0 [pid 3610] close(3 [pid 18542] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18541] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18540] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18538] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18537] <... futex resumed>) = 0 [pid 18536] exit_group(0 [pid 3610] <... close resumed>) = 0 [pid 18542] <... futex resumed>) = 1 [pid 18541] pipe2( [pid 18540] <... futex resumed>) = 1 [pid 18539] <... futex resumed>) = 0 [pid 18537] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18536] <... exit_group resumed>) = ? [pid 18535] <... futex resumed>) = 0 [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18538] <... futex resumed>) = ? [pid 18542] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18541] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18540] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18539] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18535] exit_group(0 [pid 18542] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18540] <... futex resumed>) = ? [pid 18539] <... futex resumed>) = 0 [pid 18535] <... exit_group resumed>) = ? [pid 18542] pipe2( [pid 18541] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18540] +++ exited with 0 +++ [pid 18539] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18538] +++ exited with 0 +++ [pid 18536] +++ exited with 0 +++ [pid 18535] +++ exited with 0 +++ [pid 18542] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18541] <... futex resumed>) = 1 [pid 18537] <... futex resumed>) = 0 [pid 18542] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18541] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18537] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18535, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3610] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18543 ./strace-static-x86_64: Process 18543 attached [pid 18542] <... futex resumed>) = 1 [pid 18541] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18539] <... futex resumed>) = 0 [pid 18537] <... futex resumed>) = 0 [pid 3612] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18536, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3611] restart_syscall(<... resuming interrupted clone ...> [pid 18543] set_robust_list(0x55555697d6e0, 24 [pid 18542] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18541] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18539] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18537] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3612] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3611] <... restart_syscall resumed>) = 0 [pid 18543] <... set_robust_list resumed>) = 0 [pid 18542] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18539] <... futex resumed>) = 0 [pid 18543] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18542] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18539] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3612] <... openat resumed>) = 3 [pid 18543] <... prctl resumed>) = 0 [pid 3612] ioctl(3, LOOP_CLR_FD [pid 18543] setpgid(0, 0 [pid 3612] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18543] <... setpgid resumed>) = 0 [pid 3612] close(3 [pid 18543] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3611] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 3612] <... close resumed>) = 0 [pid 18543] <... openat resumed>) = 3 [pid 18541] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18543] write(3, "1000", 4 [pid 3612] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3611] <... openat resumed>) = 3 [pid 18543] <... write resumed>) = 4 [pid 18542] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18541] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18543] close(3) = 0 [pid 18543] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 18543] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe89d140000 [pid 18542] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18541] <... futex resumed>) = 1 [pid 18537] <... futex resumed>) = 0 [pid 3612] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18544 [pid 3611] ioctl(3, LOOP_CLR_FD [pid 18543] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18537] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18543] <... mprotect resumed>) = 0 [pid 18537] <... futex resumed>) = 0 [pid 3611] <... ioctl resumed>) = -1 ENXIO (No such device or address) ./strace-static-x86_64: Process 18544 attached [pid 18543] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18542] <... futex resumed>) = 1 [pid 18541] write(4, NULL, 126976 [pid 18539] <... futex resumed>) = 0 [pid 18537] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3611] close(3./strace-static-x86_64: Process 18545 attached [pid 18542] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18539] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] <... close resumed>) = 0 [pid 18545] set_robust_list(0x7fe89d1609e0, 24 [pid 18543] <... clone resumed>, parent_tid=[18545], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18545 [pid 18542] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18541] <... write resumed>) = -1 EFAULT (Bad address) [pid 18539] <... futex resumed>) = 0 [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18545] <... set_robust_list resumed>) = 0 [pid 18543] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18542] write(4, NULL, 126976 [pid 18539] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18545] mkdir("./file0", 0777 [pid 18543] <... futex resumed>) = 0 [pid 18545] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18543] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18545] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3611] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18546 [pid 18545] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18544] set_robust_list(0x55555697d6e0, 24 [pid 18542] <... write resumed>) = -1 EFAULT (Bad address) [pid 18541] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18545] <... futex resumed>) = 1 [pid 18543] <... futex resumed>) = 0 [pid 18542] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18537] <... futex resumed>) = 0 [pid 18545] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18544] <... set_robust_list resumed>) = 0 [pid 18543] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18541] <... futex resumed>) = 1 [pid 18537] exit_group(0 [pid 18542] <... futex resumed>) = 1 [pid 18539] <... futex resumed>) = 0 ./strace-static-x86_64: Process 18546 attached [pid 18545] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18543] <... futex resumed>) = 0 [pid 18542] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18539] exit_group(0 [pid 18537] <... exit_group resumed>) = ? [pid 18546] set_robust_list(0x55555697d6e0, 24 [pid 18545] pipe2( [pid 18544] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18543] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18542] <... futex resumed>) = ? [pid 18539] <... exit_group resumed>) = ? [pid 18546] <... set_robust_list resumed>) = 0 [pid 18545] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18546] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18545] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18546] <... prctl resumed>) = 0 [pid 18545] <... futex resumed>) = 1 [pid 18543] <... futex resumed>) = 0 [pid 18546] setpgid(0, 0 [pid 18545] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18543] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18546] <... setpgid resumed>) = 0 [pid 18545] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18543] <... futex resumed>) = 0 [pid 18546] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18545] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18543] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18542] +++ exited with 0 +++ [pid 18539] +++ exited with 0 +++ [pid 18546] <... openat resumed>) = 3 [pid 18544] <... prctl resumed>) = 0 [pid 18541] +++ exited with 0 +++ [pid 18537] +++ exited with 0 +++ [pid 3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18539, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 18544] setpgid(0, 0 [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18537, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18544] <... setpgid resumed>) = 0 [pid 18546] write(3, "1000", 4 [pid 18544] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3609] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 18544] <... openat resumed>) = 3 [pid 3609] <... openat resumed>) = 3 [pid 18544] write(3, "1000", 4 [pid 3609] ioctl(3, LOOP_CLR_FD [pid 18544] <... write resumed>) = 4 [pid 3609] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18544] close(3 [pid 3613] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 3609] close(3 [pid 18544] <... close resumed>) = 0 [pid 3613] <... openat resumed>) = 3 [pid 3609] <... close resumed>) = 0 [pid 18544] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3613] ioctl(3, LOOP_CLR_FD [pid 3609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18544] <... futex resumed>) = 0 [pid 3613] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18544] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3613] close(3 [pid 3609] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18547 [pid 18544] <... mmap resumed>) = 0x7fe89d140000 [pid 3613] <... close resumed>) = 0 [pid 18544] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18544] <... mprotect resumed>) = 0 [pid 18544] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3613] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18548 ./strace-static-x86_64: Process 18549 attached ./strace-static-x86_64: Process 18547 attached [pid 18546] <... write resumed>) = 4 [pid 18549] set_robust_list(0x7fe89d1609e0, 24 [pid 18547] set_robust_list(0x55555697d6e0, 24 [pid 18546] close(3 [pid 18545] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18544] <... clone resumed>, parent_tid=[18549], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18549 [pid 18549] <... set_robust_list resumed>) = 0 [pid 18547] <... set_robust_list resumed>) = 0 [pid 18546] <... close resumed>) = 0 [pid 18545] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18544] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18549] mkdir("./file0", 0777 [pid 18547] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18546] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18545] <... futex resumed>) = 1 [pid 18544] <... futex resumed>) = 0 [pid 18543] <... futex resumed>) = 0 ./strace-static-x86_64: Process 18548 attached [pid 18549] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18547] <... prctl resumed>) = 0 [pid 18546] <... futex resumed>) = 0 [pid 18545] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18544] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18543] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18549] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18547] setpgid(0, 0 [pid 18546] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18545] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18543] <... futex resumed>) = 0 [pid 18549] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18548] set_robust_list(0x55555697d6e0, 24 [pid 18547] <... setpgid resumed>) = 0 [pid 18546] <... mmap resumed>) = 0x7fe89d140000 [pid 18545] write(4, NULL, 126976 [pid 18543] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18549] <... futex resumed>) = 1 [pid 18548] <... set_robust_list resumed>) = 0 [pid 18547] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18546] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18545] <... write resumed>) = -1 EFAULT (Bad address) [pid 18544] <... futex resumed>) = 0 [pid 18549] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18548] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18547] <... openat resumed>) = 3 [pid 18546] <... mprotect resumed>) = 0 [pid 18545] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18544] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18549] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18547] write(3, "1000", 4 [pid 18546] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18545] <... futex resumed>) = 1 [pid 18544] <... futex resumed>) = 0 [pid 18543] <... futex resumed>) = 0 [pid 18549] pipe2( [pid 18548] <... prctl resumed>) = 0 [pid 18547] <... write resumed>) = 4 [pid 18545] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18544] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18543] exit_group(0 [pid 18549] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18548] setpgid(0, 0 [pid 18547] close(3 [pid 18546] <... clone resumed>, parent_tid=[18550], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18550 [pid 18545] <... futex resumed>) = ? [pid 18543] <... exit_group resumed>) = ? [pid 18549] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18548] <... setpgid resumed>) = 0 [pid 18547] <... close resumed>) = 0 [pid 18546] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18545] +++ exited with 0 +++ [pid 18543] +++ exited with 0 +++ [pid 18549] <... futex resumed>) = 1 [pid 18547] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18546] <... futex resumed>) = 0 [pid 18544] <... futex resumed>) = 0 [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18543, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 18548] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18549] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18547] <... futex resumed>) = 0 [pid 18546] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18544] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18549] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18548] <... openat resumed>) = 3 [pid 18547] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18544] <... futex resumed>) = 0 [pid 18549] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18548] write(3, "1000", 4 [pid 18547] <... mmap resumed>) = 0x7fe89d140000 [pid 18544] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 18550 attached [pid 18548] <... write resumed>) = 4 [pid 18547] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 3610] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 18550] set_robust_list(0x7fe89d1609e0, 24 [pid 18548] close(3 [pid 18547] <... mprotect resumed>) = 0 [pid 3610] <... openat resumed>) = 3 [pid 18550] <... set_robust_list resumed>) = 0 [pid 18548] <... close resumed>) = 0 [pid 3610] ioctl(3, LOOP_CLR_FD [pid 18550] mkdir("./file0", 0777 [pid 18548] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3610] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18550] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18548] <... futex resumed>) = 0 [pid 3610] close(3 [pid 18550] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18548] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18547] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3610] <... close resumed>) = 0 [pid 18550] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18548] <... mmap resumed>) = 0x7fe89d140000 [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18550] <... futex resumed>) = 1 [pid 18549] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18548] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18547] <... clone resumed>, parent_tid=[18551], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18551 [pid 18546] <... futex resumed>) = 0 [pid 18550] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18549] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18548] <... mprotect resumed>) = 0 [pid 18547] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18546] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3610] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18552 ./strace-static-x86_64: Process 18552 attached [pid 18550] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18549] <... futex resumed>) = 1 [pid 18548] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18547] <... futex resumed>) = 0 [pid 18546] <... futex resumed>) = 0 [pid 18544] <... futex resumed>) = 0 ./strace-static-x86_64: Process 18553 attached ./strace-static-x86_64: Process 18551 attached [pid 18552] set_robust_list(0x55555697d6e0, 24 [pid 18550] pipe2( [pid 18549] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18547] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18546] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18544] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18553] set_robust_list(0x7fe89d1609e0, 24 [pid 18552] <... set_robust_list resumed>) = 0 [pid 18551] set_robust_list(0x7fe89d1609e0, 24 [pid 18550] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18549] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18548] <... clone resumed>, parent_tid=[18553], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18553 [pid 18544] <... futex resumed>) = 0 [pid 18552] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18551] <... set_robust_list resumed>) = 0 [pid 18550] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18549] write(4, NULL, 126976 [pid 18548] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18544] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18553] <... set_robust_list resumed>) = 0 [pid 18552] <... prctl resumed>) = 0 [pid 18551] mkdir("./file0", 0777 [pid 18550] <... futex resumed>) = 1 [pid 18549] <... write resumed>) = -1 EFAULT (Bad address) [pid 18548] <... futex resumed>) = 0 [pid 18546] <... futex resumed>) = 0 [pid 18553] mkdir("./file0", 0777 [pid 18552] setpgid(0, 0 [pid 18551] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18550] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18549] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18548] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18546] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18553] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18552] <... setpgid resumed>) = 0 [pid 18551] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18550] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18549] <... futex resumed>) = 1 [pid 18546] <... futex resumed>) = 0 [pid 18544] <... futex resumed>) = 0 [pid 18553] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18552] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18551] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18550] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18549] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18546] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18544] exit_group(0 [pid 18553] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18552] <... openat resumed>) = 3 [pid 18551] <... futex resumed>) = 1 [pid 18549] <... futex resumed>) = ? [pid 18547] <... futex resumed>) = 0 [pid 18544] <... exit_group resumed>) = ? [pid 18553] <... futex resumed>) = 1 [pid 18552] write(3, "1000", 4 [pid 18551] pipe2( [pid 18549] +++ exited with 0 +++ [pid 18548] <... futex resumed>) = 0 [pid 18547] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18544] +++ exited with 0 +++ [pid 18553] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18552] <... write resumed>) = 4 [pid 18548] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18547] <... futex resumed>) = 0 [pid 18553] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18552] close(3 [pid 18551] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18548] <... futex resumed>) = 0 [pid 18547] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18553] pipe2( [pid 18552] <... close resumed>) = 0 [pid 18551] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18548] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18547] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3612] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18544, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18553] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18552] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18551] <... futex resumed>) = 0 [pid 18550] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18547] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3612] restart_syscall(<... resuming interrupted clone ...> [pid 18553] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18552] <... futex resumed>) = 0 [pid 18551] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18550] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18547] <... futex resumed>) = 0 [pid 3612] <... restart_syscall resumed>) = 0 [pid 18553] <... futex resumed>) = 1 [pid 18552] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18548] <... futex resumed>) = 0 [pid 18547] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18553] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18552] <... mmap resumed>) = 0x7fe89d140000 [pid 18550] <... futex resumed>) = 1 [pid 18548] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18546] <... futex resumed>) = 0 [pid 18553] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18552] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18548] <... futex resumed>) = 0 [pid 18546] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18553] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18552] <... mprotect resumed>) = 0 [pid 18548] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18546] <... futex resumed>) = 0 [pid 18550] write(4, NULL, 126976 [pid 18552] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18546] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3612] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 18550] <... write resumed>) = -1 EFAULT (Bad address) [pid 18552] <... clone resumed>, parent_tid=[18554], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18554 [pid 3612] <... openat resumed>) = 3 [pid 18550] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18552] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3612] ioctl(3, LOOP_CLR_FD [pid 18546] <... futex resumed>) = 0 [pid 18552] <... futex resumed>) = 0 [pid 18550] <... futex resumed>) = 1 [pid 3612] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18552] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18546] exit_group(0 [pid 18550] exit_group(0 [pid 3612] close(3 [pid 18546] <... exit_group resumed>) = ? [pid 18550] <... exit_group resumed>) = ? [pid 3612] <... close resumed>) = 0 ./strace-static-x86_64: Process 18554 attached [pid 3612] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18554] set_robust_list(0x7fe89d1609e0, 24) = 0 [pid 18554] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 18554] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3612] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18555 [pid 18554] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18552] <... futex resumed>) = 0 [pid 18552] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 18552] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18554] <... futex resumed>) = 1 [pid 18554] pipe2([3, 4], 0) = 0 [pid 18554] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 18552] <... futex resumed>) = 0 [pid 18554] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18552] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 18555 attached ) = 0 [pid 18551] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18550] +++ exited with 0 +++ [pid 18546] +++ exited with 0 +++ [pid 18555] set_robust_list(0x55555697d6e0, 24 [pid 18552] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18546, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18551] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18555] <... set_robust_list resumed>) = 0 [pid 18555] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18551] <... futex resumed>) = 1 [pid 18547] <... futex resumed>) = 0 [pid 18553] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18547] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18553] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18547] <... futex resumed>) = 0 [pid 3611] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 18553] <... futex resumed>) = 1 [pid 18548] <... futex resumed>) = 0 [pid 18547] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18553] write(4, NULL, 126976 [pid 18548] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] <... openat resumed>) = 3 [pid 18555] <... prctl resumed>) = 0 [pid 18553] <... write resumed>) = -1 EFAULT (Bad address) [pid 18551] write(4, NULL, 126976 [pid 18548] <... futex resumed>) = 0 [pid 3611] ioctl(3, LOOP_CLR_FD [pid 18553] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18551] <... write resumed>) = -1 EFAULT (Bad address) [pid 18548] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3611] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18553] <... futex resumed>) = 0 [pid 18551] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18548] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3611] close(3 [pid 18553] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18551] <... futex resumed>) = 1 [pid 18548] exit_group(0 [pid 18547] <... futex resumed>) = 0 [pid 3611] <... close resumed>) = 0 [pid 18553] <... futex resumed>) = ? [pid 18551] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18548] <... exit_group resumed>) = ? [pid 18547] exit_group(0 [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18556 attached [pid 18555] setpgid(0, 0 [pid 18554] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18553] +++ exited with 0 +++ [pid 18551] <... futex resumed>) = ? [pid 18548] +++ exited with 0 +++ [pid 18547] <... exit_group resumed>) = ? [pid 18556] set_robust_list(0x55555697d6e0, 24 [pid 18555] <... setpgid resumed>) = 0 [pid 18554] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18551] +++ exited with 0 +++ [pid 18547] +++ exited with 0 +++ [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18548, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3611] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18556 [pid 18556] <... set_robust_list resumed>) = 0 [pid 18555] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18554] <... futex resumed>) = 1 [pid 18552] <... futex resumed>) = 0 [pid 3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18547, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 18556] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18555] <... openat resumed>) = 3 [pid 18554] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18552] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18556] <... prctl resumed>) = 0 [pid 18555] write(3, "1000", 4 [pid 18554] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18552] <... futex resumed>) = 0 [pid 3613] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 18556] setpgid(0, 0 [pid 18555] <... write resumed>) = 4 [pid 18554] write(4, NULL, 126976 [pid 18552] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18556] <... setpgid resumed>) = 0 [pid 18555] close(3 [pid 18554] <... write resumed>) = -1 EFAULT (Bad address) [pid 3613] <... openat resumed>) = 3 [pid 18556] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18555] <... close resumed>) = 0 [pid 18554] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3613] ioctl(3, LOOP_CLR_FD [pid 18556] <... openat resumed>) = 3 [pid 18555] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18554] <... futex resumed>) = 1 [pid 18552] <... futex resumed>) = 0 [pid 3609] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 3613] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18556] write(3, "1000", 4 [pid 18555] <... futex resumed>) = 0 [pid 18554] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18552] exit_group(0 [pid 18556] <... write resumed>) = 4 [pid 18555] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18554] <... futex resumed>) = ? [pid 18552] <... exit_group resumed>) = ? [pid 3613] close(3 [pid 3609] <... openat resumed>) = 3 [pid 18556] close(3 [pid 18555] <... mmap resumed>) = 0x7fe89d140000 [pid 18554] +++ exited with 0 +++ [pid 3613] <... close resumed>) = 0 [pid 3609] ioctl(3, LOOP_CLR_FD [pid 18552] +++ exited with 0 +++ [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3609] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3609] close(3 [pid 3613] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18557 [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18552, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3609] <... close resumed>) = 0 [pid 3610] restart_syscall(<... resuming interrupted clone ...> [pid 3609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18556] <... close resumed>) = 0 [pid 18555] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 3610] <... restart_syscall resumed>) = 0 [pid 18556] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18555] <... mprotect resumed>) = 0 [pid 3609] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18558 ./strace-static-x86_64: Process 18557 attached [pid 18556] <... futex resumed>) = 0 [pid 18555] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18557] set_robust_list(0x55555697d6e0, 24 [pid 18556] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3610] openat(AT_FDCWD, "/dev/loop1", O_RDWR./strace-static-x86_64: Process 18558 attached [pid 18557] <... set_robust_list resumed>) = 0 [pid 18556] <... mmap resumed>) = 0x7fe89d140000 [pid 18555] <... clone resumed>, parent_tid=[18559], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18559 [pid 3610] <... openat resumed>) = 3 ./strace-static-x86_64: Process 18559 attached [pid 18557] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18556] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18555] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3610] ioctl(3, LOOP_CLR_FD [pid 18559] set_robust_list(0x7fe89d1609e0, 24 [pid 18557] <... prctl resumed>) = 0 [pid 18556] <... mprotect resumed>) = 0 [pid 18555] <... futex resumed>) = 0 [pid 18559] <... set_robust_list resumed>) = 0 [pid 18557] setpgid(0, 0 [pid 18556] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18555] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 3610] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18559] mkdir("./file0", 0777 [pid 18557] <... setpgid resumed>) = 0 [pid 3610] close(3 [pid 18559] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18557] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18556] <... clone resumed>, parent_tid=[18560], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18560 [pid 3610] <... close resumed>) = 0 [pid 18559] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18557] <... openat resumed>) = 3 [pid 18556] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18559] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18557] write(3, "1000", 4 [pid 18556] <... futex resumed>) = 0 [pid 18559] <... futex resumed>) = 1 [pid 18557] <... write resumed>) = 4 [pid 18556] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18555] <... futex resumed>) = 0 [pid 18559] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18558] set_robust_list(0x55555697d6e0, 24 [pid 18557] close(3 [pid 18555] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18559] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18557] <... close resumed>) = 0 [pid 18555] <... futex resumed>) = 0 [pid 18558] <... set_robust_list resumed>) = 0 [pid 3610] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18561 [pid 18559] pipe2( [pid 18557] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18555] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18559] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18557] <... futex resumed>) = 0 [pid 18559] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18558] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18557] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 18560 attached [pid 18559] <... futex resumed>) = 1 [pid 18557] <... mmap resumed>) = 0x7fe89d140000 [pid 18558] <... prctl resumed>) = 0 [pid 18555] <... futex resumed>) = 0 [pid 18560] set_robust_list(0x7fe89d1609e0, 24 [pid 18559] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18557] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18555] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18560] <... set_robust_list resumed>) = 0 [pid 18559] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18558] setpgid(0, 0 [pid 18557] <... mprotect resumed>) = 0 [pid 18555] <... futex resumed>) = 0 [pid 18560] mkdir("./file0", 0777 [pid 18559] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18558] <... setpgid resumed>) = 0 [pid 18557] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18555] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 18561 attached [pid 18558] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 18562 attached [pid 18561] set_robust_list(0x55555697d6e0, 24 [pid 18560] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18558] <... openat resumed>) = 3 [pid 18557] <... clone resumed>, parent_tid=[18562], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18562 [pid 18562] set_robust_list(0x7fe89d1609e0, 24 [pid 18561] <... set_robust_list resumed>) = 0 [pid 18560] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18559] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18558] write(3, "1000", 4 [pid 18557] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18562] <... set_robust_list resumed>) = 0 [pid 18561] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18560] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18559] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18558] <... write resumed>) = 4 [pid 18557] <... futex resumed>) = 0 [pid 18562] mkdir("./file0", 0777 [pid 18561] <... prctl resumed>) = 0 [pid 18560] <... futex resumed>) = 1 [pid 18559] <... futex resumed>) = 1 [pid 18558] close(3 [pid 18557] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18556] <... futex resumed>) = 0 [pid 18555] <... futex resumed>) = 0 [pid 18562] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18561] setpgid(0, 0 [pid 18560] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18559] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18558] <... close resumed>) = 0 [pid 18556] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18555] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18562] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18561] <... setpgid resumed>) = 0 [pid 18560] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18559] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18558] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18556] <... futex resumed>) = 0 [pid 18555] <... futex resumed>) = 0 [pid 18562] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18561] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18560] pipe2( [pid 18559] write(4, NULL, 126976 [pid 18558] <... futex resumed>) = 0 [pid 18556] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18555] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18562] <... futex resumed>) = 1 [pid 18561] <... openat resumed>) = 3 [pid 18560] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18559] <... write resumed>) = -1 EFAULT (Bad address) [pid 18558] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18557] <... futex resumed>) = 0 [pid 18562] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18561] write(3, "1000", 4 [pid 18560] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18559] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18558] <... mmap resumed>) = 0x7fe89d140000 [pid 18557] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18562] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18561] <... write resumed>) = 4 [pid 18560] <... futex resumed>) = 1 [pid 18559] <... futex resumed>) = 1 [pid 18558] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18557] <... futex resumed>) = 0 [pid 18556] <... futex resumed>) = 0 [pid 18555] <... futex resumed>) = 0 [pid 18562] pipe2( [pid 18561] close(3 [pid 18560] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18559] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18558] <... mprotect resumed>) = 0 [pid 18557] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18556] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18555] exit_group(0 [pid 18562] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18561] <... close resumed>) = 0 [pid 18560] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18559] <... futex resumed>) = ? [pid 18558] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18556] <... futex resumed>) = 0 [pid 18555] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 18563 attached [pid 18562] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18561] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18560] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18559] +++ exited with 0 +++ [pid 18556] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18555] +++ exited with 0 +++ [pid 18563] set_robust_list(0x7fe89d1609e0, 24 [pid 18562] <... futex resumed>) = 1 [pid 18561] <... futex resumed>) = 0 [pid 18558] <... clone resumed>, parent_tid=[18563], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18563 [pid 18557] <... futex resumed>) = 0 [pid 18560] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18562] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18561] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18558] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18557] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3612] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18555, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 18562] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18561] <... mmap resumed>) = 0x7fe89d140000 [pid 18560] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18557] <... futex resumed>) = 0 [pid 18558] <... futex resumed>) = 0 [pid 3612] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 18562] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18561] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18560] <... futex resumed>) = 1 [pid 18557] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18556] <... futex resumed>) = 0 [pid 18558] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18563] <... set_robust_list resumed>) = 0 [pid 18561] <... mprotect resumed>) = 0 [pid 18556] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3612] <... openat resumed>) = 3 [pid 18563] mkdir("./file0", 0777 [pid 18561] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18560] write(4, NULL, 126976 [pid 18556] <... futex resumed>) = 0 [pid 3612] ioctl(3, LOOP_CLR_FD [pid 18562] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18560] <... write resumed>) = -1 EFAULT (Bad address) [pid 18556] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3612] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18563] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18562] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18561] <... clone resumed>, parent_tid=[18564], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18564 [pid 18560] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18556] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18563] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18562] <... futex resumed>) = 1 [pid 18561] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18560] <... futex resumed>) = 0 [pid 18557] <... futex resumed>) = 0 [pid 18556] exit_group(0 [pid 3612] close(3 [pid 18563] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18562] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18561] <... futex resumed>) = 0 [pid 18557] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18556] <... exit_group resumed>) = ? [pid 3612] <... close resumed>) = 0 ./strace-static-x86_64: Process 18564 attached [pid 18563] <... futex resumed>) = 1 [pid 18562] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18561] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18560] +++ exited with 0 +++ [pid 18558] <... futex resumed>) = 0 [pid 18557] <... futex resumed>) = 0 [pid 18556] +++ exited with 0 +++ [pid 3612] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18564] set_robust_list(0x7fe89d1609e0, 24 [pid 18563] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18562] write(4, NULL, 126976 [pid 18558] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18557] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18562] <... write resumed>) = -1 EFAULT (Bad address) [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18556, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18564] <... set_robust_list resumed>) = 0 [pid 18563] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18562] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18558] <... futex resumed>) = 0 [pid 3612] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18565 [pid 18564] mkdir("./file0", 0777 [pid 18563] pipe2( [pid 18562] <... futex resumed>) = 1 [pid 18557] <... futex resumed>) = 0 [pid 18564] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18563] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18562] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18558] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18557] exit_group(0./strace-static-x86_64: Process 18565 attached [pid 18564] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18563] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18562] <... futex resumed>) = ? [pid 18558] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18557] <... exit_group resumed>) = ? [pid 18565] set_robust_list(0x55555697d6e0, 24 [pid 18564] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18563] <... futex resumed>) = 0 [pid 18562] +++ exited with 0 +++ [pid 18558] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18557] +++ exited with 0 +++ [pid 3611] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 18563] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18561] <... futex resumed>) = 0 [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18557, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18558] <... futex resumed>) = 0 [pid 18561] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18558] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3611] <... openat resumed>) = 3 [pid 18561] <... futex resumed>) = 0 [pid 3611] ioctl(3, LOOP_CLR_FD [pid 18561] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3611] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18565] <... set_robust_list resumed>) = 0 [pid 18565] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3611] close(3 [pid 18565] <... prctl resumed>) = 0 [pid 18565] setpgid(0, 0 [pid 3611] <... close resumed>) = 0 [pid 18565] <... setpgid resumed>) = 0 [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18565] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3613] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 18565] write(3, "1000", 4) = 4 [pid 3613] <... openat resumed>) = 3 [pid 3611] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18566 [pid 18565] close(3 [pid 3613] ioctl(3, LOOP_CLR_FD [pid 18565] <... close resumed>) = 0 [pid 18565] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3613] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18565] <... futex resumed>) = 0 [pid 18564] <... futex resumed>) = 1 [pid 3613] close(3 [pid 18565] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe89d140000 [pid 3613] <... close resumed>) = 0 ./strace-static-x86_64: Process 18566 attached [pid 18565] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18566] set_robust_list(0x55555697d6e0, 24 [pid 18565] <... mprotect resumed>) = 0 [pid 18566] <... set_robust_list resumed>) = 0 [pid 18565] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18566] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 18565] <... clone resumed>, parent_tid=[18568], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18568 [pid 18566] setpgid(0, 0 [pid 18565] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3613] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18567 ./strace-static-x86_64: Process 18567 attached ./strace-static-x86_64: Process 18568 attached [pid 18566] <... setpgid resumed>) = 0 [pid 18565] <... futex resumed>) = 0 [pid 18564] pipe2( [pid 18567] set_robust_list(0x55555697d6e0, 24 [pid 18568] set_robust_list(0x7fe89d1609e0, 24 [pid 18565] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18564] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18567] <... set_robust_list resumed>) = 0 [pid 18568] <... set_robust_list resumed>) = 0 [pid 18564] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18567] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18568] mkdir("./file0", 0777 [pid 18564] <... futex resumed>) = 1 [pid 18561] <... futex resumed>) = 0 [pid 18567] <... prctl resumed>) = 0 [pid 18568] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18564] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18561] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18567] setpgid(0, 0 [pid 18568] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18566] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18564] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18561] <... futex resumed>) = 0 [pid 18567] <... setpgid resumed>) = 0 [pid 18568] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18566] <... openat resumed>) = 3 [pid 18564] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18561] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18567] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18568] <... futex resumed>) = 1 [pid 18566] write(3, "1000", 4 [pid 18565] <... futex resumed>) = 0 [pid 18568] pipe2( [pid 18567] <... openat resumed>) = 3 [pid 18566] <... write resumed>) = 4 [pid 18565] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18568] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18566] close(3 [pid 18565] <... futex resumed>) = 0 [pid 18567] write(3, "1000", 4 [pid 18568] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18566] <... close resumed>) = 0 [pid 18565] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18567] <... write resumed>) = 4 [pid 18568] <... futex resumed>) = 0 [pid 18566] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18565] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18568] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18566] <... futex resumed>) = 0 [pid 18565] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18567] close(3) = 0 [pid 18566] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18565] <... futex resumed>) = 0 [pid 18567] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18566] <... mmap resumed>) = 0x7fe89d140000 [pid 18565] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18566] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 18566] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18567] <... futex resumed>) = 0 [pid 18566] <... clone resumed>, parent_tid=[18569], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18569 [pid 18567] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18566] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18567] <... mmap resumed>) = 0x7fe89d140000 [pid 18566] <... futex resumed>) = 0 [pid 18567] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18566] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18567] <... mprotect resumed>) = 0 [pid 18558] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 18567] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18558] futex(0x7fe89d2384dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 18567] <... clone resumed>, parent_tid=[18570], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18570 [pid 18563] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18558] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18567] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 18569 attached [pid 18569] set_robust_list(0x7fe89d1609e0, 24 [pid 18567] <... futex resumed>) = 0 [pid 18563] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18558] <... mmap resumed>) = 0x7fe89d11f000 [pid 18569] <... set_robust_list resumed>) = 0 [pid 18567] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18563] <... futex resumed>) = 0 [pid 18558] mprotect(0x7fe89d120000, 131072, PROT_READ|PROT_WRITE [pid 18569] mkdir("./file0", 0777 [pid 18563] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18558] <... mprotect resumed>) = 0 [pid 18569] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18569] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18569] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 18566] <... futex resumed>) = 0 [pid 18569] pipe2( [pid 18566] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18569] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18566] <... futex resumed>) = 0 [pid 18569] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18566] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18569] <... futex resumed>) = 0 [pid 18566] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18569] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18566] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18569] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18566] <... futex resumed>) = 0 [pid 18569] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18566] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18558] clone(child_stack=0x7fe89d13f2f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[18571], tls=0x7fe89d13f700, child_tidptr=0x7fe89d13f9d0) = 18571 ./strace-static-x86_64: Process 18570 attached [pid 18558] futex(0x7fe89d2384d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 18558] futex(0x7fe89d2384dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 18571 attached [pid 18571] set_robust_list(0x7fe89d13f9e0, 24 [pid 18568] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18571] <... set_robust_list resumed>) = 0 [pid 18570] set_robust_list(0x7fe89d1609e0, 24 [pid 18568] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18571] write(4, NULL, 126976) = -1 EFAULT (Bad address) [pid 18570] <... set_robust_list resumed>) = 0 [pid 18568] <... futex resumed>) = 1 [pid 18565] <... futex resumed>) = 0 [pid 18564] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18571] futex(0x7fe89d2384dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18570] mkdir("./file0", 0777 [pid 18568] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18565] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18564] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18570] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18568] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18564] <... futex resumed>) = 1 [pid 18561] <... futex resumed>) = 0 [pid 18570] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18568] write(4, NULL, 126976 [pid 18564] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18561] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18570] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18568] <... write resumed>) = -1 EFAULT (Bad address) [pid 18564] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18561] <... futex resumed>) = 0 [pid 18570] <... futex resumed>) = 1 [pid 18567] <... futex resumed>) = 0 [pid 18568] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18564] write(4, NULL, 126976 [pid 18561] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18570] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18567] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18568] <... futex resumed>) = 0 [pid 18564] <... write resumed>) = -1 EFAULT (Bad address) [pid 18570] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18567] <... futex resumed>) = 0 [pid 18568] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18564] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18570] pipe2( [pid 18567] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18568] <... futex resumed>) = 0 [pid 18565] <... futex resumed>) = 1 [pid 18564] <... futex resumed>) = 1 [pid 18561] <... futex resumed>) = 0 [pid 18571] <... futex resumed>) = 1 [pid 18558] <... futex resumed>) = 0 [pid 18571] futex(0x7fe89d2384d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18570] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18568] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18565] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18564] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18561] exit_group(0 [pid 18558] exit_group(0 [pid 18570] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18565] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18564] <... futex resumed>) = ? [pid 18563] <... futex resumed>) = ? [pid 18561] <... exit_group resumed>) = ? [pid 18571] <... futex resumed>) = ? [pid 18558] <... exit_group resumed>) = ? [pid 18571] +++ exited with 0 +++ [pid 18570] <... futex resumed>) = 1 [pid 18569] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18567] <... futex resumed>) = 0 [pid 18565] exit_group(0 [pid 18564] +++ exited with 0 +++ [pid 18563] +++ exited with 0 +++ [pid 18561] +++ exited with 0 +++ [pid 18558] +++ exited with 0 +++ [pid 18570] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18569] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18567] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18568] <... futex resumed>) = ? [pid 18565] <... exit_group resumed>) = ? [pid 18570] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18569] <... futex resumed>) = 1 [pid 18567] <... futex resumed>) = 0 [pid 18568] +++ exited with 0 +++ [pid 18566] <... futex resumed>) = 0 [pid 18570] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18567] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18561, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18558, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18569] write(4, NULL, 126976 [pid 18566] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18565] +++ exited with 0 +++ [pid 18569] <... write resumed>) = -1 EFAULT (Bad address) [pid 18566] <... futex resumed>) = 0 [pid 3612] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18565, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3610] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 3609] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 18569] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18566] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18569] <... futex resumed>) = 0 [pid 18566] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3610] <... openat resumed>) = 3 [pid 3609] <... openat resumed>) = 3 [pid 18569] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18566] exit_group(0 [pid 18569] <... futex resumed>) = ? [pid 18566] <... exit_group resumed>) = ? [pid 3612] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3610] ioctl(3, LOOP_CLR_FD [pid 3609] ioctl(3, LOOP_CLR_FD [pid 18569] +++ exited with 0 +++ [pid 18566] +++ exited with 0 +++ [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18566, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3611] openat(AT_FDCWD, "/dev/loop2", 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=0x55555697d6d0) = 18572 ./strace-static-x86_64: Process 18572 attached [pid 18572] set_robust_list(0x55555697d6e0, 24) = 0 [pid 18572] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 18572] setpgid(0, 0) = 0 [pid 3610] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3609] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3609] close(3 [pid 3612] <... openat resumed>) = 3 [pid 3612] ioctl(3, LOOP_CLR_FD [pid 3610] close(3 [pid 3609] <... close resumed>) = 0 [pid 3612] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3612] close(3 [pid 3610] <... close resumed>) = 0 [pid 18572] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3612] <... close resumed>) = 0 [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3612] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3609] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18573 [pid 18572] <... openat resumed>) = 3 [pid 18572] write(3, "1000", 4 [pid 3612] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18575 [pid 3610] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18574 [pid 18572] <... write resumed>) = 4 [pid 18572] close(3./strace-static-x86_64: Process 18574 attached ) = 0 ./strace-static-x86_64: Process 18575 attached [pid 18574] set_robust_list(0x55555697d6e0, 24 [pid 18572] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 18573 attached [pid 18575] set_robust_list(0x55555697d6e0, 24 [pid 18574] <... set_robust_list resumed>) = 0 [pid 18572] <... futex resumed>) = 0 [pid 18575] <... set_robust_list resumed>) = 0 [pid 18574] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18572] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18575] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18574] <... prctl resumed>) = 0 [pid 18573] set_robust_list(0x55555697d6e0, 24 [pid 18572] <... mmap resumed>) = 0x7fe89d140000 [pid 18575] <... prctl resumed>) = 0 [pid 18574] setpgid(0, 0 [pid 18573] <... set_robust_list resumed>) = 0 [pid 18572] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18575] setpgid(0, 0 [pid 18574] <... setpgid resumed>) = 0 [pid 18572] <... mprotect resumed>) = 0 [pid 18575] <... setpgid resumed>) = 0 [pid 18574] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18573] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18572] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18570] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18575] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18574] <... openat resumed>) = 3 [pid 18573] <... prctl resumed>) = 0 [pid 18570] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 18576 attached [pid 18575] <... openat resumed>) = 3 [pid 18573] setpgid(0, 0 [pid 18570] <... futex resumed>) = 1 [pid 18567] <... futex resumed>) = 0 [pid 18576] set_robust_list(0x7fe89d1609e0, 24 [pid 18573] <... setpgid resumed>) = 0 [pid 18570] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18567] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18576] <... set_robust_list resumed>) = 0 [pid 18573] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18570] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18567] <... futex resumed>) = 0 [pid 18576] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18573] <... openat resumed>) = 3 [pid 18570] write(4, NULL, 126976 [pid 18567] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18573] write(3, "1000", 4 [pid 18570] <... write resumed>) = -1 EFAULT (Bad address) [pid 18573] <... write resumed>) = 4 [pid 18570] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18572] <... clone resumed>, parent_tid=[18576], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18576 [pid 18575] write(3, "1000", 4 [pid 18574] write(3, "1000", 4 [pid 18573] close(3 [pid 18572] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18570] <... futex resumed>) = 1 [pid 18567] <... futex resumed>) = 0 [pid 18576] <... futex resumed>) = 0 [pid 18575] <... write resumed>) = 4 [pid 18574] <... write resumed>) = 4 [pid 18573] <... close resumed>) = 0 [pid 18572] <... futex resumed>) = 1 [pid 18570] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18567] exit_group(0 [pid 18576] mkdir("./file0", 0777 [pid 18575] close(3 [pid 18574] close(3 [pid 18573] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18572] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18570] <... futex resumed>) = ? [pid 18567] <... exit_group resumed>) = ? [pid 18576] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18575] <... close resumed>) = 0 [pid 18574] <... close resumed>) = 0 [pid 18573] <... futex resumed>) = 0 [pid 18570] +++ exited with 0 +++ [pid 18567] +++ exited with 0 +++ [pid 18576] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18575] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18574] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18573] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18567, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18576] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18575] <... futex resumed>) = 0 [pid 18574] <... futex resumed>) = 0 [pid 18573] <... mmap resumed>) = 0x7fe89d140000 [pid 18576] <... futex resumed>) = 1 [pid 18575] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18574] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18573] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18572] <... futex resumed>) = 0 [pid 18576] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18575] <... mmap resumed>) = 0x7fe89d140000 [pid 18574] <... mmap resumed>) = 0x7fe89d140000 [pid 18573] <... mprotect resumed>) = 0 [pid 18572] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18576] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18575] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18574] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18573] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18572] <... futex resumed>) = 0 ./strace-static-x86_64: Process 18577 attached [pid 18576] pipe2( [pid 18575] <... mprotect resumed>) = 0 [pid 18574] <... mprotect resumed>) = 0 [pid 18572] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18577] set_robust_list(0x7fe89d1609e0, 24 [pid 18576] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18575] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18573] <... clone resumed>, parent_tid=[18577], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18577 [pid 3613] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 18577] <... set_robust_list resumed>) = 0 [pid 18576] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18574] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18573] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3613] <... openat resumed>) = 3 [pid 18576] <... futex resumed>) = 1 [pid 18575] <... clone resumed>, parent_tid=[18578], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18578 [pid 18573] <... futex resumed>) = 0 [pid 18572] <... futex resumed>) = 0 [pid 3613] ioctl(3, LOOP_CLR_FD [pid 18576] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18575] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18574] <... clone resumed>, parent_tid=[18579], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18579 [pid 18573] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18572] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3613] <... ioctl resumed>) = -1 ENXIO (No such device or address) ./strace-static-x86_64: Process 18579 attached [pid 18577] mkdir("./file0", 0777 [pid 18576] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18575] <... futex resumed>) = 0 [pid 18574] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18572] <... futex resumed>) = 0 [pid 3613] close(3 [pid 18577] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18576] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18575] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18574] <... futex resumed>) = 0 [pid 18572] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3613] <... close resumed>) = 0 ./strace-static-x86_64: Process 18578 attached [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18578] set_robust_list(0x7fe89d1609e0, 24 [pid 18574] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18578] <... set_robust_list resumed>) = 0 [pid 3613] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18580 [pid 18578] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 18578] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18578] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 18575] <... futex resumed>) = 0 [pid 18578] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 18580 attached [pid 18575] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18580] set_robust_list(0x55555697d6e0, 24 [pid 18578] <... futex resumed>) = 0 [pid 18575] <... futex resumed>) = 1 [pid 18580] <... set_robust_list resumed>) = 0 [pid 18578] pipe2( [pid 18575] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18580] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18578] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18580] <... prctl resumed>) = 0 [pid 18578] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18580] setpgid(0, 0 [pid 18578] <... futex resumed>) = 0 [pid 18575] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18580] <... setpgid resumed>) = 0 [pid 18578] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18575] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18580] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18578] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18575] <... futex resumed>) = 0 [pid 18580] <... openat resumed>) = 3 [pid 18578] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18575] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18577] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18580] write(3, "1000", 4 [pid 18577] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18580] <... write resumed>) = 4 [pid 18577] <... futex resumed>) = 1 [pid 18573] <... futex resumed>) = 0 [pid 18580] close(3 [pid 18573] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18580] <... close resumed>) = 0 [pid 18577] pipe2( [pid 18573] <... futex resumed>) = 0 [pid 18580] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18573] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18580] <... futex resumed>) = 0 [pid 18577] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18580] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18577] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18580] <... mmap resumed>) = 0x7fe89d140000 [pid 18577] <... futex resumed>) = 1 [pid 18573] <... futex resumed>) = 0 [pid 18579] set_robust_list(0x7fe89d1609e0, 24 [pid 18577] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18576] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18573] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18579] <... set_robust_list resumed>) = 0 [pid 18577] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18576] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18573] <... futex resumed>) = 0 [pid 18580] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18579] mkdir("./file0", 0777 [pid 18577] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18576] <... futex resumed>) = 1 [pid 18573] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18572] <... futex resumed>) = 0 [pid 18580] <... mprotect resumed>) = 0 [pid 18579] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18576] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18572] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18580] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18579] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18576] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18572] <... futex resumed>) = 0 [pid 18579] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18576] write(4, NULL, 126976 [pid 18572] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18579] <... futex resumed>) = 1 [pid 18576] <... write resumed>) = -1 EFAULT (Bad address) [pid 18574] <... futex resumed>) = 0 [pid 18580] <... clone resumed>, parent_tid=[18581], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18581 [pid 18579] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18576] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18574] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18580] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18579] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18578] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18576] <... futex resumed>) = 1 [pid 18574] <... futex resumed>) = 0 [pid 18572] <... futex resumed>) = 0 [pid 18580] <... futex resumed>) = 0 [pid 18579] pipe2( [pid 18578] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18576] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18574] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18572] exit_group(0./strace-static-x86_64: Process 18581 attached [pid 18580] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18579] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18576] <... futex resumed>) = ? [pid 18572] <... exit_group resumed>) = ? [pid 18578] <... futex resumed>) = 1 [pid 18577] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18575] <... futex resumed>) = 0 [pid 18581] set_robust_list(0x7fe89d1609e0, 24 [pid 18579] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18578] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18577] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18576] +++ exited with 0 +++ [pid 18575] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18572] +++ exited with 0 +++ [pid 18581] <... set_robust_list resumed>) = 0 [pid 18579] <... futex resumed>) = 1 [pid 18578] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18577] <... futex resumed>) = 1 [pid 18575] <... futex resumed>) = 0 [pid 18574] <... futex resumed>) = 0 [pid 18573] <... futex resumed>) = 0 [pid 18581] mkdir("./file0", 0777 [pid 18579] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18578] write(4, NULL, 126976 [pid 18577] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18575] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18574] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18573] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18572, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 18581] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18579] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18578] <... write resumed>) = -1 EFAULT (Bad address) [pid 18577] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18574] <... futex resumed>) = 0 [pid 18573] <... futex resumed>) = 0 [pid 3611] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 18581] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18579] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18578] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18577] write(4, NULL, 126976 [pid 18574] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18573] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3611] <... openat resumed>) = 3 [pid 18581] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18578] <... futex resumed>) = 1 [pid 18577] <... write resumed>) = -1 EFAULT (Bad address) [pid 18575] <... futex resumed>) = 0 [pid 3611] ioctl(3, LOOP_CLR_FD [pid 18581] <... futex resumed>) = 1 [pid 18580] <... futex resumed>) = 0 [pid 18578] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18577] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18575] exit_group(0 [pid 18581] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18580] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18578] <... futex resumed>) = ? [pid 18577] <... futex resumed>) = 1 [pid 18575] <... exit_group resumed>) = ? [pid 18573] <... futex resumed>) = 0 [pid 3611] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18581] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18580] <... futex resumed>) = 0 [pid 18578] +++ exited with 0 +++ [pid 18577] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18573] exit_group(0 [pid 18581] pipe2( [pid 18580] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18577] <... futex resumed>) = ? [pid 18573] <... exit_group resumed>) = ? [pid 18575] +++ exited with 0 +++ [pid 18581] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18579] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18577] +++ exited with 0 +++ [pid 18573] +++ exited with 0 +++ [pid 3612] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18575, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3611] close(3 [pid 18581] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18579] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3612] restart_syscall(<... resuming interrupted clone ...> [pid 3611] <... close resumed>) = 0 [pid 3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18573, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18581] <... futex resumed>) = 1 [pid 18580] <... futex resumed>) = 0 [pid 18579] <... futex resumed>) = 1 [pid 18574] <... futex resumed>) = 0 [pid 3612] <... restart_syscall resumed>) = 0 [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18581] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18580] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18579] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18574] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18581] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18580] <... futex resumed>) = 0 [pid 18579] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18574] <... futex resumed>) = 0 ./strace-static-x86_64: Process 18582 attached [pid 18581] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18580] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18579] write(4, NULL, 126976 [pid 18574] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3612] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3611] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18582 [pid 18582] set_robust_list(0x55555697d6e0, 24 [pid 18579] <... write resumed>) = -1 EFAULT (Bad address) [pid 18582] <... set_robust_list resumed>) = 0 [pid 18579] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18582] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18579] <... futex resumed>) = 1 [pid 18574] <... futex resumed>) = 0 [pid 3612] <... openat resumed>) = 3 [pid 18582] <... prctl resumed>) = 0 [pid 18579] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18574] exit_group(0 [pid 18582] setpgid(0, 0 [pid 18579] <... futex resumed>) = ? [pid 18574] <... exit_group resumed>) = ? [pid 3612] ioctl(3, LOOP_CLR_FD [pid 3609] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 18582] <... setpgid resumed>) = 0 [pid 18579] +++ exited with 0 +++ [pid 18574] +++ exited with 0 +++ [pid 18582] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3612] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18582] <... openat resumed>) = 3 [pid 3612] close(3 [pid 3609] <... openat resumed>) = 3 [pid 18582] write(3, "1000", 4 [pid 3612] <... close resumed>) = 0 [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18574, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3609] ioctl(3, LOOP_CLR_FD [pid 18582] <... write resumed>) = 4 [pid 18582] close(3 [pid 3612] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3610] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 3609] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18582] <... close resumed>) = 0 [pid 18582] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3609] close(3 [pid 18582] <... futex resumed>) = 0 [pid 3612] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18583 [pid 3610] <... openat resumed>) = 3 [pid 18582] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3609] <... close resumed>) = 0 [pid 18582] <... mmap resumed>) = 0x7fe89d140000 [pid 3610] ioctl(3, LOOP_CLR_FD [pid 3609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18582] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 3610] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18582] <... mprotect resumed>) = 0 [pid 18582] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3610] close(3./strace-static-x86_64: Process 18583 attached [pid 18583] set_robust_list(0x55555697d6e0, 24 [pid 18582] <... clone resumed>, parent_tid=[18585], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18585 [pid 3610] <... close resumed>) = 0 [pid 3609] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18584 [pid 18583] <... set_robust_list resumed>) = 0 [pid 18582] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18583] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18582] <... futex resumed>) = 0 [pid 18583] <... prctl resumed>) = 0 [pid 18582] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18583] setpgid(0, 0) = 0 [pid 3610] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18586 [pid 18581] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18581] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18583] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18581] <... futex resumed>) = 1 [pid 18580] <... futex resumed>) = 0 ./strace-static-x86_64: Process 18584 attached [pid 18583] <... openat resumed>) = 3 [pid 18581] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18580] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 18586 attached ./strace-static-x86_64: Process 18585 attached [pid 18583] write(3, "1000", 4 [pid 18581] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18580] <... futex resumed>) = 0 [pid 18584] set_robust_list(0x55555697d6e0, 24 [pid 18586] set_robust_list(0x55555697d6e0, 24 [pid 18585] set_robust_list(0x7fe89d1609e0, 24 [pid 18583] <... write resumed>) = 4 [pid 18581] write(4, NULL, 126976 [pid 18580] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18586] <... set_robust_list resumed>) = 0 [pid 18585] <... set_robust_list resumed>) = 0 [pid 18584] <... set_robust_list resumed>) = 0 [pid 18583] close(3 [pid 18581] <... write resumed>) = -1 EFAULT (Bad address) [pid 18586] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18585] mkdir("./file0", 0777 [pid 18584] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18583] <... close resumed>) = 0 [pid 18581] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18586] <... prctl resumed>) = 0 [pid 18585] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18584] <... prctl resumed>) = 0 [pid 18583] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18581] <... futex resumed>) = 1 [pid 18580] <... futex resumed>) = 0 [pid 18586] setpgid(0, 0 [pid 18585] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18584] setpgid(0, 0 [pid 18583] <... futex resumed>) = 0 [pid 18581] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18580] exit_group(0 [pid 18586] <... setpgid resumed>) = 0 [pid 18585] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18584] <... setpgid resumed>) = 0 [pid 18583] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18581] <... futex resumed>) = ? [pid 18580] <... exit_group resumed>) = ? [pid 18586] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18585] <... futex resumed>) = 1 [pid 18584] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18583] <... mmap resumed>) = 0x7fe89d140000 [pid 18582] <... futex resumed>) = 0 [pid 18581] +++ exited with 0 +++ [pid 18580] +++ exited with 0 +++ [pid 18586] <... openat resumed>) = 3 [pid 18585] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18584] <... openat resumed>) = 3 [pid 18583] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18582] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18586] write(3, "1000", 4 [pid 18585] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18584] write(3, "1000", 4 [pid 18583] <... mprotect resumed>) = 0 [pid 18582] <... futex resumed>) = 0 [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18580, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18586] <... write resumed>) = 4 [pid 18585] pipe2( [pid 18584] <... write resumed>) = 4 [pid 18583] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18582] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3613] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 18587 attached [pid 18586] close(3 [pid 18585] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18584] close(3 [pid 3613] <... restart_syscall resumed>) = 0 [pid 18587] set_robust_list(0x7fe89d1609e0, 24 [pid 18586] <... close resumed>) = 0 [pid 18585] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18584] <... close resumed>) = 0 [pid 18583] <... clone resumed>, parent_tid=[18587], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18587 [pid 18587] <... set_robust_list resumed>) = 0 [pid 18586] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18585] <... futex resumed>) = 1 [pid 18584] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18583] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18582] <... futex resumed>) = 0 [pid 18586] <... futex resumed>) = 0 [pid 18585] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18584] <... futex resumed>) = 0 [pid 18583] <... futex resumed>) = 0 [pid 18582] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3613] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 18587] mkdir("./file0", 0777 [pid 18586] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18585] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18584] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18583] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18582] <... futex resumed>) = 0 [pid 3613] <... openat resumed>) = 3 [pid 18587] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18586] <... mmap resumed>) = 0x7fe89d140000 [pid 18585] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18584] <... mmap resumed>) = 0x7fe89d140000 [pid 18582] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3613] ioctl(3, LOOP_CLR_FD [pid 18587] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18586] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18584] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 3613] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18587] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18584] <... mprotect resumed>) = 0 [pid 3613] close(3 [pid 18587] <... futex resumed>) = 1 [pid 18586] <... mprotect resumed>) = 0 [pid 18584] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18583] <... futex resumed>) = 0 [pid 3613] <... close resumed>) = 0 ./strace-static-x86_64: Process 18588 attached [pid 18587] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18586] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18583] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18587] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18585] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18584] <... clone resumed>, parent_tid=[18588], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18588 [pid 18583] <... futex resumed>) = 0 [pid 18587] pipe2( [pid 18586] <... clone resumed>, parent_tid=[18589], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18589 [pid 18585] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18588] set_robust_list(0x7fe89d1609e0, 24 [pid 18584] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18583] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3613] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18590 [pid 18588] <... set_robust_list resumed>) = 0 [pid 18587] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18586] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18585] <... futex resumed>) = 1 [pid 18584] <... futex resumed>) = 0 [pid 18582] <... futex resumed>) = 0 ./strace-static-x86_64: Process 18589 attached [pid 18587] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18586] <... futex resumed>) = 0 [pid 18585] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18584] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18582] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 18590 attached [pid 18589] set_robust_list(0x7fe89d1609e0, 24 [pid 18588] mkdir("./file0", 0777 [pid 18587] <... futex resumed>) = 1 [pid 18586] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18585] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18583] <... futex resumed>) = 0 [pid 18582] <... futex resumed>) = 0 [pid 18590] set_robust_list(0x55555697d6e0, 24 [pid 18589] <... set_robust_list resumed>) = 0 [pid 18588] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18587] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18585] write(4, NULL, 126976 [pid 18583] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18582] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18590] <... set_robust_list resumed>) = 0 [pid 18589] mkdir("./file0", 0777 [pid 18588] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18587] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18585] <... write resumed>) = -1 EFAULT (Bad address) [pid 18583] <... futex resumed>) = 0 [pid 18590] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18589] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18588] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18587] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18585] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18583] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18590] <... prctl resumed>) = 0 [pid 18589] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18588] <... futex resumed>) = 1 [pid 18585] <... futex resumed>) = 1 [pid 18584] <... futex resumed>) = 0 [pid 18582] <... futex resumed>) = 0 [pid 18590] setpgid(0, 0 [pid 18589] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18588] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18585] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18584] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18582] exit_group(0 [pid 18590] <... setpgid resumed>) = 0 [pid 18589] <... futex resumed>) = 1 [pid 18588] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18586] <... futex resumed>) = 0 [pid 18585] <... futex resumed>) = ? [pid 18584] <... futex resumed>) = 0 [pid 18582] <... exit_group resumed>) = ? [pid 18590] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18589] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18588] pipe2( [pid 18586] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18585] +++ exited with 0 +++ [pid 18584] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18590] <... openat resumed>) = 3 [pid 18589] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18588] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18586] <... futex resumed>) = 0 [pid 18582] +++ exited with 0 +++ [pid 18590] write(3, "1000", 4 [pid 18589] pipe2( [pid 18588] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18586] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18590] <... write resumed>) = 4 [pid 18589] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18588] <... futex resumed>) = 1 [pid 18584] <... futex resumed>) = 0 [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18582, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 18590] close(3 [pid 18589] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18588] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18584] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] restart_syscall(<... resuming interrupted clone ...> [pid 18590] <... close resumed>) = 0 [pid 18589] <... futex resumed>) = 1 [pid 18588] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18587] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18586] <... futex resumed>) = 0 [pid 18584] <... futex resumed>) = 0 [pid 3611] <... restart_syscall resumed>) = 0 [pid 18590] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18589] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18588] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18587] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18586] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18584] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18590] <... futex resumed>) = 0 [pid 18589] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18587] <... futex resumed>) = 1 [pid 18586] <... futex resumed>) = 0 [pid 18583] <... futex resumed>) = 0 [pid 18590] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18589] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18587] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18590] <... mmap resumed>) = 0x7fe89d140000 [pid 18587] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18586] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18583] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18590] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18587] write(4, NULL, 126976 [pid 18590] <... mprotect resumed>) = 0 [pid 18587] <... write resumed>) = -1 EFAULT (Bad address) [pid 18590] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18587] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 18590] <... clone resumed>, parent_tid=[18591], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18591 [pid 18587] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18590] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 18590] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000}./strace-static-x86_64: Process 18591 attached [pid 18591] set_robust_list(0x7fe89d1609e0, 24) = 0 [pid 18591] mkdir("./file0", 0777 [pid 3611] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 18587] <... futex resumed>) = 0 [pid 18583] <... futex resumed>) = 1 [pid 18587] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18583] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3611] <... openat resumed>) = 3 [pid 18591] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18583] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3611] ioctl(3, LOOP_CLR_FD [pid 18591] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18583] exit_group(0 [pid 18591] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18591] <... futex resumed>) = 1 [pid 18590] <... futex resumed>) = 0 [pid 18587] <... futex resumed>) = ? [pid 18583] <... exit_group resumed>) = ? [pid 3611] close(3 [pid 18591] pipe2( [pid 18590] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18587] +++ exited with 0 +++ [pid 18591] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18590] <... futex resumed>) = 0 [pid 18591] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18590] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18591] <... futex resumed>) = 0 [pid 18590] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18583] +++ exited with 0 +++ [pid 3611] <... close resumed>) = 0 [pid 18591] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18590] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18591] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18590] <... futex resumed>) = 0 [pid 3612] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18583, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18591] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18590] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3612] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 3612] ioctl(3, LOOP_CLR_FD [pid 3611] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18592 [pid 3612] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3612] close(3) = 0 [pid 3612] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18593 attached ./strace-static-x86_64: Process 18592 attached [pid 18589] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18588] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18589] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18588] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3612] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18593 [pid 18589] <... futex resumed>) = 1 [pid 18588] <... futex resumed>) = 1 [pid 18586] <... futex resumed>) = 0 [pid 18584] <... futex resumed>) = 0 [pid 18593] set_robust_list(0x55555697d6e0, 24 [pid 18592] set_robust_list(0x55555697d6e0, 24 [pid 18593] <... set_robust_list resumed>) = 0 [pid 18592] <... set_robust_list resumed>) = 0 [pid 18589] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18588] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18586] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18584] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18593] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18592] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18591] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18589] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18588] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18586] <... futex resumed>) = 0 [pid 18584] <... futex resumed>) = 0 [pid 18593] <... prctl resumed>) = 0 [pid 18592] <... prctl resumed>) = 0 [pid 18591] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18589] write(4, NULL, 126976 [pid 18588] write(4, NULL, 126976 [pid 18586] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18584] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18593] setpgid(0, 0 [pid 18592] setpgid(0, 0 [pid 18591] <... futex resumed>) = 1 [pid 18590] <... futex resumed>) = 0 [pid 18589] <... write resumed>) = -1 EFAULT (Bad address) [pid 18588] <... write resumed>) = -1 EFAULT (Bad address) [pid 18593] <... setpgid resumed>) = 0 [pid 18592] <... setpgid resumed>) = 0 [pid 18591] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18590] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18589] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18588] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18591] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18590] <... futex resumed>) = 0 [pid 18589] <... futex resumed>) = 1 [pid 18586] <... futex resumed>) = 0 [pid 18588] <... futex resumed>) = 1 [pid 18584] <... futex resumed>) = 0 [pid 18593] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18592] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18591] write(4, NULL, 126976 [pid 18590] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18589] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18588] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18586] exit_group(0 [pid 18584] exit_group(0 [pid 18592] <... openat resumed>) = 3 [pid 18591] <... write resumed>) = -1 EFAULT (Bad address) [pid 18589] <... futex resumed>) = ? [pid 18588] <... futex resumed>) = ? [pid 18593] <... openat resumed>) = 3 [pid 18586] <... exit_group resumed>) = ? [pid 18584] <... exit_group resumed>) = ? [pid 18593] write(3, "1000", 4 [pid 18592] write(3, "1000", 4 [pid 18591] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18589] +++ exited with 0 +++ [pid 18588] +++ exited with 0 +++ [pid 18586] +++ exited with 0 +++ [pid 18584] +++ exited with 0 +++ [pid 18593] <... write resumed>) = 4 [pid 18592] <... write resumed>) = 4 [pid 18591] <... futex resumed>) = 1 [pid 18590] <... futex resumed>) = 0 [pid 18593] close(3 [pid 18592] close(3 [pid 18591] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18590] exit_group(0 [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18586, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18584, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18593] <... close resumed>) = 0 [pid 18592] <... close resumed>) = 0 [pid 18591] <... futex resumed>) = ? [pid 18590] <... exit_group resumed>) = ? [pid 3610] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 3609] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 18593] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18592] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18591] +++ exited with 0 +++ [pid 18590] +++ exited with 0 +++ [pid 3610] <... openat resumed>) = 3 [pid 3609] <... openat resumed>) = 3 [pid 18593] <... futex resumed>) = 0 [pid 18592] <... futex resumed>) = 0 [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18590, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3610] ioctl(3, LOOP_CLR_FD [pid 3609] ioctl(3, LOOP_CLR_FD [pid 18593] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18592] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3610] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3609] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18593] <... mmap resumed>) = 0x7fe89d140000 [pid 18592] <... mmap resumed>) = 0x7fe89d140000 [pid 3610] close(3 [pid 3609] close(3 [pid 18593] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18592] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 3613] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 3610] <... close resumed>) = 0 [pid 3609] <... close resumed>) = 0 [pid 3613] <... openat resumed>) = 3 [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3613] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 3610] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18594 [pid 3609] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18595 [pid 3613] close(3) = 0 [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18593] <... mprotect resumed>) = 0 [pid 18592] <... mprotect resumed>) = 0 [pid 18593] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18592] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3613] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18596 [pid 18593] <... clone resumed>, parent_tid=[18597], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18597 [pid 18592] <... clone resumed>, parent_tid=[18598], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18598 [pid 18593] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18592] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18593] <... futex resumed>) = 0 [pid 18592] <... futex resumed>) = 0 ./strace-static-x86_64: Process 18594 attached [pid 18593] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18592] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000}./strace-static-x86_64: Process 18595 attached [pid 18594] set_robust_list(0x55555697d6e0, 24 [pid 18595] set_robust_list(0x55555697d6e0, 24 [pid 18594] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 18597 attached ./strace-static-x86_64: Process 18596 attached [pid 18595] <... set_robust_list resumed>) = 0 [pid 18594] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 18598 attached [pid 18597] set_robust_list(0x7fe89d1609e0, 24 [pid 18596] set_robust_list(0x55555697d6e0, 24 [pid 18595] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18594] <... prctl resumed>) = 0 [pid 18597] <... set_robust_list resumed>) = 0 [pid 18595] <... prctl resumed>) = 0 [pid 18594] setpgid(0, 0 [pid 18598] set_robust_list(0x7fe89d1609e0, 24 [pid 18597] mkdir("./file0", 0777 [pid 18596] <... set_robust_list resumed>) = 0 [pid 18595] setpgid(0, 0 [pid 18594] <... setpgid resumed>) = 0 [pid 18597] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18595] <... setpgid resumed>) = 0 [pid 18594] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18597] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18595] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18594] <... openat resumed>) = 3 [pid 18597] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18595] <... openat resumed>) = 3 [pid 18594] write(3, "1000", 4 [pid 18597] <... futex resumed>) = 1 [pid 18595] write(3, "1000", 4 [pid 18594] <... write resumed>) = 4 [pid 18593] <... futex resumed>) = 0 [pid 18597] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18595] <... write resumed>) = 4 [pid 18594] close(3 [pid 18593] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18598] <... set_robust_list resumed>) = 0 [pid 18597] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18596] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18595] close(3 [pid 18594] <... close resumed>) = 0 [pid 18593] <... futex resumed>) = 0 [pid 18597] pipe2( [pid 18595] <... close resumed>) = 0 [pid 18594] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18593] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18596] <... prctl resumed>) = 0 [pid 18598] mkdir("./file0", 0777 [pid 18597] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18595] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18594] <... futex resumed>) = 0 [pid 18597] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18595] <... futex resumed>) = 0 [pid 18594] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18598] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18597] <... futex resumed>) = 1 [pid 18596] setpgid(0, 0 [pid 18595] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18594] <... mmap resumed>) = 0x7fe89d140000 [pid 18593] <... futex resumed>) = 0 [pid 18598] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18597] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18596] <... setpgid resumed>) = 0 [pid 18595] <... mmap resumed>) = 0x7fe89d140000 [pid 18594] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18593] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18598] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18597] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18596] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18595] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18594] <... mprotect resumed>) = 0 [pid 18593] <... futex resumed>) = 0 [pid 18598] <... futex resumed>) = 1 [pid 18597] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18595] <... mprotect resumed>) = 0 [pid 18594] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18593] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18592] <... futex resumed>) = 0 [pid 18598] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18596] <... openat resumed>) = 3 [pid 18595] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18592] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18598] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18596] write(3, "1000", 4 [pid 18594] <... clone resumed>, parent_tid=[18599], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18599 [pid 18592] <... futex resumed>) = 0 [pid 18598] pipe2( [pid 18596] <... write resumed>) = 4 [pid 18595] <... clone resumed>, parent_tid=[18600], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18600 [pid 18594] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18592] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18598] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18596] close(3 [pid 18595] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18594] <... futex resumed>) = 0 [pid 18598] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18596] <... close resumed>) = 0 [pid 18595] <... futex resumed>) = 0 [pid 18594] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18598] <... futex resumed>) = 1 [pid 18596] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18595] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18592] <... futex resumed>) = 0 ./strace-static-x86_64: Process 18600 attached ./strace-static-x86_64: Process 18599 attached [pid 18598] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18597] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18596] <... futex resumed>) = 0 [pid 18592] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18600] set_robust_list(0x7fe89d1609e0, 24 [pid 18598] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18597] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18600] <... set_robust_list resumed>) = 0 [pid 18598] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18597] <... futex resumed>) = 1 [pid 18596] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18593] <... futex resumed>) = 0 [pid 18592] <... futex resumed>) = 0 [pid 18599] set_robust_list(0x7fe89d1609e0, 24 [pid 18600] mkdir("./file0", 0777 [pid 18597] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18596] <... mmap resumed>) = 0x7fe89d140000 [pid 18593] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18592] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18600] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18597] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18593] <... futex resumed>) = 0 [pid 18600] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18597] write(4, NULL, 126976 [pid 18596] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18593] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18600] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18597] <... write resumed>) = -1 EFAULT (Bad address) [pid 18596] <... mprotect resumed>) = 0 [pid 18600] <... futex resumed>) = 1 [pid 18597] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18596] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18595] <... futex resumed>) = 0 [pid 18600] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18597] <... futex resumed>) = 1 [pid 18595] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18593] <... futex resumed>) = 0 [pid 18600] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18597] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18596] <... clone resumed>, parent_tid=[18601], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18601 [pid 18595] <... futex resumed>) = 0 [pid 18593] exit_group(0 [pid 18600] pipe2( [pid 18597] <... futex resumed>) = ? [pid 18596] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18595] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18593] <... exit_group resumed>) = ? [pid 18600] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18597] +++ exited with 0 +++ [pid 18596] <... futex resumed>) = 0 [pid 18593] +++ exited with 0 +++ ./strace-static-x86_64: Process 18601 attached [pid 18600] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18596] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 3612] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18593, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18601] set_robust_list(0x7fe89d1609e0, 24 [pid 18600] <... futex resumed>) = 1 [pid 18595] <... futex resumed>) = 0 [pid 18601] <... set_robust_list resumed>) = 0 [pid 18600] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18595] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18601] mkdir("./file0", 0777 [pid 18600] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18595] <... futex resumed>) = 0 [pid 3612] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 18601] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18600] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18595] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3612] <... openat resumed>) = 3 [pid 18601] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3612] ioctl(3, LOOP_CLR_FD [pid 18601] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3612] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18601] <... futex resumed>) = 0 [pid 3612] close(3 [pid 18601] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3612] <... close resumed>) = 0 [pid 3612] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555697d6d0) = 18602 [pid 18596] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18596] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18601] <... futex resumed>) = 0 [pid 18596] <... futex resumed>) = 1 [pid 18601] pipe2( [pid 18596] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18601] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18601] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 18596] <... futex resumed>) = 0 ./strace-static-x86_64: Process 18602 attached [pid 18601] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18596] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18602] set_robust_list(0x55555697d6e0, 24 [pid 18601] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18596] <... futex resumed>) = 0 [pid 18602] <... set_robust_list resumed>) = 0 [pid 18601] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18599] <... set_robust_list resumed>) = 0 [pid 18596] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18602] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18600] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18599] mkdir("./file0", 0777 [pid 18598] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18602] <... prctl resumed>) = 0 [pid 18601] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18600] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18599] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18598] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18602] setpgid(0, 0 [pid 18601] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18600] <... futex resumed>) = 1 [pid 18599] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18598] <... futex resumed>) = 1 [pid 18595] <... futex resumed>) = 0 [pid 18592] <... futex resumed>) = 0 [pid 18602] <... setpgid resumed>) = 0 [pid 18601] <... futex resumed>) = 1 [pid 18600] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18599] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18598] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18596] <... futex resumed>) = 0 [pid 18595] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18592] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18602] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18601] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18600] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18599] <... futex resumed>) = 1 [pid 18598] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18596] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18595] <... futex resumed>) = 0 [pid 18594] <... futex resumed>) = 0 [pid 18592] <... futex resumed>) = 0 [pid 18602] <... openat resumed>) = 3 [pid 18601] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18600] write(4, NULL, 126976 [pid 18599] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18598] write(4, NULL, 126976 [pid 18596] <... futex resumed>) = 0 [pid 18595] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18594] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18592] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18602] write(3, "1000", 4 [pid 18601] write(4, NULL, 126976 [pid 18600] <... write resumed>) = -1 EFAULT (Bad address) [pid 18599] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18598] <... write resumed>) = -1 EFAULT (Bad address) [pid 18596] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18594] <... futex resumed>) = 0 [pid 18602] <... write resumed>) = 4 [pid 18601] <... write resumed>) = -1 EFAULT (Bad address) [pid 18600] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18599] pipe2( [pid 18598] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18594] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18602] close(3 [pid 18601] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18600] <... futex resumed>) = 1 [pid 18599] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18598] <... futex resumed>) = 1 [pid 18595] <... futex resumed>) = 0 [pid 18592] <... futex resumed>) = 0 [pid 18602] <... close resumed>) = 0 [pid 18601] <... futex resumed>) = 1 [pid 18600] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18599] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18598] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18596] <... futex resumed>) = 0 [pid 18595] exit_group(0 [pid 18592] exit_group(0 [pid 18602] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18601] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18600] <... futex resumed>) = ? [pid 18599] <... futex resumed>) = 1 [pid 18598] <... futex resumed>) = ? [pid 18596] exit_group(0 [pid 18595] <... exit_group resumed>) = ? [pid 18594] <... futex resumed>) = 0 [pid 18592] <... exit_group resumed>) = ? [pid 18602] <... futex resumed>) = 0 [pid 18601] <... futex resumed>) = ? [pid 18600] +++ exited with 0 +++ [pid 18599] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18598] +++ exited with 0 +++ [pid 18596] <... exit_group resumed>) = ? [pid 18595] +++ exited with 0 +++ [pid 18594] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18592] +++ exited with 0 +++ [pid 18602] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18601] +++ exited with 0 +++ [pid 18599] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18596] +++ exited with 0 +++ [pid 18594] <... futex resumed>) = 0 [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18592, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18602] <... mmap resumed>) = 0x7fe89d140000 [pid 18599] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18594] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18596, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18595, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 18602] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 3613] restart_syscall(<... resuming interrupted clone ...> [pid 3609] restart_syscall(<... resuming interrupted clone ...> [pid 18602] <... mprotect resumed>) = 0 [pid 3613] <... restart_syscall resumed>) = 0 [pid 3609] <... restart_syscall resumed>) = 0 [pid 18602] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[18603], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18603 [pid 3613] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 3609] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 18602] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3613] <... openat resumed>) = 3 [pid 3609] <... openat resumed>) = 3 [pid 18602] <... futex resumed>) = 0 [pid 3613] ioctl(3, LOOP_CLR_FD [pid 3609] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 18603 attached [pid 18602] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 3613] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3609] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18603] set_robust_list(0x7fe89d1609e0, 24 [pid 18599] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3613] close(3 [pid 3609] close(3 [pid 18603] <... set_robust_list resumed>) = 0 [pid 18599] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3613] <... close resumed>) = 0 [pid 18603] mkdir("./file0", 0777 [pid 18599] <... futex resumed>) = 1 [pid 18594] <... futex resumed>) = 0 [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3611] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 3609] <... close resumed>) = 0 [pid 18603] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18599] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18594] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] <... openat resumed>) = 3 [pid 18603] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18599] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18594] <... futex resumed>) = 0 [pid 3611] ioctl(3, LOOP_CLR_FD [pid 3609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18603] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18599] write(4, NULL, 126976 [pid 18594] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3613] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18604 [pid 3611] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18603] <... futex resumed>) = 1 [pid 18602] <... futex resumed>) = 0 [pid 18599] <... write resumed>) = -1 EFAULT (Bad address) [pid 3611] close(3 [pid 18603] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18602] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18599] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] <... close resumed>) = 0 [pid 3609] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18605 [pid 18603] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18602] <... futex resumed>) = 0 [pid 18599] <... futex resumed>) = 1 [pid 18594] <... futex resumed>) = 0 [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18605 attached ./strace-static-x86_64: Process 18604 attached [pid 18603] pipe2( [pid 18602] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18599] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18594] exit_group(0 [pid 18605] set_robust_list(0x55555697d6e0, 24 [pid 18604] set_robust_list(0x55555697d6e0, 24 [pid 18603] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18599] <... futex resumed>) = ? [pid 18594] <... exit_group resumed>) = ? [pid 3611] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18606 ./strace-static-x86_64: Process 18606 attached [pid 18605] <... set_robust_list resumed>) = 0 [pid 18604] <... set_robust_list resumed>) = 0 [pid 18603] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18599] +++ exited with 0 +++ [pid 18594] +++ exited with 0 +++ [pid 18606] set_robust_list(0x55555697d6e0, 24 [pid 18605] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18604] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18603] <... futex resumed>) = 1 [pid 18602] <... futex resumed>) = 0 [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18594, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 18606] <... set_robust_list resumed>) = 0 [pid 18605] <... prctl resumed>) = 0 [pid 18604] <... prctl resumed>) = 0 [pid 18603] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18602] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18606] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18605] setpgid(0, 0 [pid 18604] setpgid(0, 0 [pid 18603] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18602] <... futex resumed>) = 0 [pid 18606] <... prctl resumed>) = 0 [pid 18605] <... setpgid resumed>) = 0 [pid 18604] <... setpgid resumed>) = 0 [pid 18603] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18602] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18606] setpgid(0, 0 [pid 18605] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18604] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18606] <... setpgid resumed>) = 0 [pid 18605] <... openat resumed>) = 3 [pid 18604] <... openat resumed>) = 3 [pid 18606] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18605] write(3, "1000", 4 [pid 18604] write(3, "1000", 4 [pid 3610] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 18606] <... openat resumed>) = 3 [pid 18605] <... write resumed>) = 4 [pid 18604] <... write resumed>) = 4 [pid 3610] <... openat resumed>) = 3 [pid 18606] write(3, "1000", 4 [pid 18605] close(3 [pid 18604] close(3 [pid 3610] ioctl(3, LOOP_CLR_FD [pid 18606] <... write resumed>) = 4 [pid 18605] <... close resumed>) = 0 [pid 18604] <... close resumed>) = 0 [pid 3610] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18606] close(3 [pid 18605] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18604] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3610] close(3 [pid 18606] <... close resumed>) = 0 [pid 18605] <... futex resumed>) = 0 [pid 18604] <... futex resumed>) = 0 [pid 3610] <... close resumed>) = 0 [pid 18606] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18605] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18604] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18606] <... futex resumed>) = 0 [pid 18605] <... mmap resumed>) = 0x7fe89d140000 [pid 18604] <... mmap resumed>) = 0x7fe89d140000 [pid 18606] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18605] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18604] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 3610] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18607 [pid 18606] <... mmap resumed>) = 0x7fe89d140000 [pid 18605] <... mprotect resumed>) = 0 [pid 18604] <... mprotect resumed>) = 0 [pid 18606] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18605] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18604] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18606] <... mprotect resumed>) = 0 [pid 18606] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18605] <... clone resumed>, parent_tid=[18608], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18608 [pid 18604] <... clone resumed>, parent_tid=[18609], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18609 [pid 18605] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18604] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18606] <... clone resumed>, parent_tid=[18610], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18610 [pid 18605] <... futex resumed>) = 0 [pid 18604] <... futex resumed>) = 0 [pid 18606] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18605] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18604] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000}./strace-static-x86_64: Process 18608 attached [pid 18606] <... futex resumed>) = 0 [pid 18608] set_robust_list(0x7fe89d1609e0, 24 [pid 18606] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000}./strace-static-x86_64: Process 18610 attached [pid 18608] <... set_robust_list resumed>) = 0 [pid 18610] set_robust_list(0x7fe89d1609e0, 24 [pid 18608] mkdir("./file0", 0777./strace-static-x86_64: Process 18609 attached ./strace-static-x86_64: Process 18607 attached [pid 18610] <... set_robust_list resumed>) = 0 [pid 18608] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18603] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18610] mkdir("./file0", 0777 [pid 18609] set_robust_list(0x7fe89d1609e0, 24 [pid 18608] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18603] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18607] set_robust_list(0x55555697d6e0, 24 [pid 18610] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18608] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18603] <... futex resumed>) = 1 [pid 18602] <... futex resumed>) = 0 [pid 18610] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18609] <... set_robust_list resumed>) = 0 [pid 18608] <... futex resumed>) = 1 [pid 18607] <... set_robust_list resumed>) = 0 [pid 18605] <... futex resumed>) = 0 [pid 18603] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18602] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18610] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18609] mkdir("./file0", 0777 [pid 18608] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18605] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18603] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18602] <... futex resumed>) = 0 [pid 18610] <... futex resumed>) = 1 [pid 18609] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18608] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18607] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18606] <... futex resumed>) = 0 [pid 18605] <... futex resumed>) = 0 [pid 18603] write(4, NULL, 126976 [pid 18602] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18610] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18609] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18608] pipe2( [pid 18607] <... prctl resumed>) = 0 [pid 18606] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18605] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18603] <... write resumed>) = -1 EFAULT (Bad address) [pid 18610] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18609] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18608] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18607] setpgid(0, 0 [pid 18606] <... futex resumed>) = 0 [pid 18603] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18610] pipe2( [pid 18609] <... futex resumed>) = 1 [pid 18608] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18607] <... setpgid resumed>) = 0 [pid 18606] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18604] <... futex resumed>) = 0 [pid 18603] <... futex resumed>) = 1 [pid 18602] <... futex resumed>) = 0 [pid 18610] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18609] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18608] <... futex resumed>) = 1 [pid 18607] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18605] <... futex resumed>) = 0 [pid 18604] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18603] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18602] exit_group(0 [pid 18610] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18609] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18608] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18607] <... openat resumed>) = 3 [pid 18605] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18604] <... futex resumed>) = 0 [pid 18603] <... futex resumed>) = ? [pid 18602] <... exit_group resumed>) = ? [pid 18610] <... futex resumed>) = 1 [pid 18609] pipe2( [pid 18608] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18607] write(3, "1000", 4 [pid 18606] <... futex resumed>) = 0 [pid 18605] <... futex resumed>) = 0 [pid 18604] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18603] +++ exited with 0 +++ [pid 18610] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18608] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18606] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18605] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18602] +++ exited with 0 +++ [pid 18610] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18609] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18607] <... write resumed>) = 4 [pid 18606] <... futex resumed>) = 0 [pid 18610] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18609] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18607] close(3 [pid 18606] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3612] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18602, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18609] <... futex resumed>) = 1 [pid 18607] <... close resumed>) = 0 [pid 18604] <... futex resumed>) = 0 [pid 18609] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18607] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 18604] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3612] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 18609] <... futex resumed>) = 0 [pid 18607] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18604] <... futex resumed>) = 1 [pid 3612] <... openat resumed>) = 3 [pid 18609] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18607] <... mmap resumed>) = 0x7fe89d140000 [pid 18604] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3612] ioctl(3, LOOP_CLR_FD [pid 18607] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 3612] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18608] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18607] <... mprotect resumed>) = 0 [pid 3612] close(3 [pid 18608] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3612] <... close resumed>) = 0 [pid 18608] <... futex resumed>) = 1 [pid 18605] <... futex resumed>) = 0 [pid 3612] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18608] write(4, NULL, 126976 [pid 18605] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18608] <... write resumed>) = -1 EFAULT (Bad address) [pid 18605] <... futex resumed>) = 0 [pid 3612] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18611 [pid 18608] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18605] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18608] <... futex resumed>) = 0 [pid 18605] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18608] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18605] exit_group(0 [pid 18608] <... futex resumed>) = ? [pid 18605] <... exit_group resumed>) = ? [pid 18608] +++ exited with 0 +++ [pid 18605] +++ exited with 0 +++ [pid 3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18605, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3609] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 3609] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 18607] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3609] close(3./strace-static-x86_64: Process 18612 attached ./strace-static-x86_64: Process 18611 attached ) = 0 [pid 18612] set_robust_list(0x7fe89d1609e0, 24 [pid 18611] set_robust_list(0x55555697d6e0, 24 [pid 18607] <... clone resumed>, parent_tid=[18612], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18612 [pid 3609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18612] <... set_robust_list resumed>) = 0 [pid 18611] <... set_robust_list resumed>) = 0 [pid 18607] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18612] mkdir("./file0", 0777 [pid 18611] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18607] <... futex resumed>) = 0 [pid 18612] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18611] <... prctl resumed>) = 0 [pid 18607] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 3609] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18613 [pid 18612] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18611] setpgid(0, 0 [pid 18612] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18611] <... setpgid resumed>) = 0 [pid 18610] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18612] <... futex resumed>) = 1 [pid 18611] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18610] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18609] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18607] <... futex resumed>) = 0 ./strace-static-x86_64: Process 18613 attached [pid 18612] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18611] <... openat resumed>) = 3 [pid 18610] <... futex resumed>) = 1 [pid 18609] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18607] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18606] <... futex resumed>) = 0 [pid 18613] set_robust_list(0x55555697d6e0, 24 [pid 18612] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18611] write(3, "1000", 4 [pid 18610] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18609] <... futex resumed>) = 1 [pid 18607] <... futex resumed>) = 0 [pid 18606] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18604] <... futex resumed>) = 0 [pid 18613] <... set_robust_list resumed>) = 0 [pid 18612] pipe2( [pid 18610] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18609] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18606] <... futex resumed>) = 0 [pid 18604] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18613] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18610] write(4, NULL, 126976 [pid 18609] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18606] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18604] <... futex resumed>) = 0 [pid 18613] <... prctl resumed>) = 0 [pid 18610] <... write resumed>) = -1 EFAULT (Bad address) [pid 18609] write(4, NULL, 126976 [pid 18604] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18613] setpgid(0, 0 [pid 18610] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18609] <... write resumed>) = -1 EFAULT (Bad address) [pid 18613] <... setpgid resumed>) = 0 [pid 18610] <... futex resumed>) = 1 [pid 18609] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18606] <... futex resumed>) = 0 [pid 18613] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18612] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18611] <... write resumed>) = 4 [pid 18610] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18609] <... futex resumed>) = 1 [pid 18607] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18606] exit_group(0 [pid 18604] <... futex resumed>) = 0 [pid 18613] <... openat resumed>) = 3 [pid 18612] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18611] close(3 [pid 18610] <... futex resumed>) = ? [pid 18609] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18607] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18606] <... exit_group resumed>) = ? [pid 18613] write(3, "1000", 4 [pid 18612] <... futex resumed>) = 0 [pid 18611] <... close resumed>) = 0 [pid 18610] +++ exited with 0 +++ [pid 18607] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18604] exit_group(0 [pid 18612] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18611] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18607] <... futex resumed>) = 0 [pid 18613] <... write resumed>) = 4 [pid 18609] <... futex resumed>) = ? [pid 18606] +++ exited with 0 +++ [pid 18604] <... exit_group resumed>) = ? [pid 18613] close(3 [pid 18611] <... futex resumed>) = 0 [pid 18609] +++ exited with 0 +++ [pid 18607] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18604] +++ exited with 0 +++ [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18606, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18613] <... close resumed>) = 0 [pid 18611] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18604, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18613] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 18613] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3613] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 18613] <... mmap resumed>) = 0x7fe89d140000 [pid 3613] <... openat resumed>) = 3 [pid 18613] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 3613] ioctl(3, LOOP_CLR_FD [pid 18613] <... mprotect resumed>) = 0 [pid 3613] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18613] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3613] close(3./strace-static-x86_64: Process 18614 attached [pid 18611] <... mmap resumed>) = 0x7fe89d140000 [pid 3613] <... close resumed>) = 0 [pid 18614] set_robust_list(0x7fe89d1609e0, 24 [pid 18613] <... clone resumed>, parent_tid=[18614], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18614 [pid 18611] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18614] <... set_robust_list resumed>) = 0 [pid 18613] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18611] <... mprotect resumed>) = 0 [pid 18614] mkdir("./file0", 0777 [pid 18611] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18614] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18613] <... futex resumed>) = 0 [pid 18614] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18613] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18611] <... clone resumed>, parent_tid=[18616], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18616 [pid 3613] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18615 [pid 18614] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18611] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 18614] <... futex resumed>) = 1 [pid 18613] <... futex resumed>) = 0 [pid 18611] <... futex resumed>) = 0 [pid 3611] <... openat resumed>) = 3 [pid 18614] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18613] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18611] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 3611] ioctl(3, LOOP_CLR_FD [pid 18614] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18613] <... futex resumed>) = 0 [pid 3611] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18614] pipe2( [pid 18613] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3611] close(3 [pid 18614] <... pipe2 resumed>[3, 4], 0) = 0 [pid 3611] <... close resumed>) = 0 [pid 18614] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18614] <... futex resumed>) = 1 [pid 18613] <... futex resumed>) = 0 ./strace-static-x86_64: Process 18615 attached [pid 18614] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18613] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18617 ./strace-static-x86_64: Process 18616 attached [pid 18615] set_robust_list(0x55555697d6e0, 24 [pid 18614] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18613] <... futex resumed>) = 0 [pid 18612] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18615] <... set_robust_list resumed>) = 0 [pid 18614] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18613] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18612] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 18617 attached [pid 18616] set_robust_list(0x7fe89d1609e0, 24 [pid 18615] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18612] <... futex resumed>) = 1 [pid 18617] set_robust_list(0x55555697d6e0, 24 [pid 18616] <... set_robust_list resumed>) = 0 [pid 18615] <... prctl resumed>) = 0 [pid 18612] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18607] <... futex resumed>) = 0 [pid 18617] <... set_robust_list resumed>) = 0 [pid 18616] mkdir("./file0", 0777 [pid 18615] setpgid(0, 0 [pid 18607] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18617] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18616] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18615] <... setpgid resumed>) = 0 [pid 18612] <... futex resumed>) = 0 [pid 18607] <... futex resumed>) = 1 [pid 18617] <... prctl resumed>) = 0 [pid 18616] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18615] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18614] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18612] write(4, NULL, 126976 [pid 18607] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18617] setpgid(0, 0 [pid 18616] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18615] <... openat resumed>) = 3 [pid 18614] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18612] <... write resumed>) = -1 EFAULT (Bad address) [pid 18617] <... setpgid resumed>) = 0 [pid 18616] <... futex resumed>) = 1 [pid 18615] write(3, "1000", 4 [pid 18612] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18611] <... futex resumed>) = 0 [pid 18613] <... futex resumed>) = 0 [pid 18614] <... futex resumed>) = 1 [pid 18617] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18616] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18615] <... write resumed>) = 4 [pid 18613] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18612] <... futex resumed>) = 1 [pid 18611] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18607] <... futex resumed>) = 0 [pid 18614] write(4, NULL, 126976 [pid 18617] <... openat resumed>) = 3 [pid 18616] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18615] close(3 [pid 18613] <... futex resumed>) = 0 [pid 18612] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18611] <... futex resumed>) = 0 [pid 18607] exit_group(0 [pid 18617] write(3, "1000", 4 [pid 18616] pipe2( [pid 18615] <... close resumed>) = 0 [pid 18614] <... write resumed>) = -1 EFAULT (Bad address) [pid 18613] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18612] <... futex resumed>) = ? [pid 18611] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18607] <... exit_group resumed>) = ? [pid 18617] <... write resumed>) = 4 [pid 18616] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18615] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18614] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18613] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18612] +++ exited with 0 +++ [pid 18617] close(3 [pid 18616] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18615] <... futex resumed>) = 0 [pid 18617] <... close resumed>) = 0 [pid 18616] <... futex resumed>) = 1 [pid 18615] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18614] <... futex resumed>) = 0 [pid 18613] exit_group(0 [pid 18611] <... futex resumed>) = 0 [pid 18607] +++ exited with 0 +++ [pid 18617] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18616] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18615] <... mmap resumed>) = 0x7fe89d140000 [pid 18613] <... exit_group resumed>) = ? [pid 18611] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18607, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18617] <... futex resumed>) = 0 [pid 18616] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18615] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18614] +++ exited with 0 +++ [pid 18617] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18616] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18615] <... mprotect resumed>) = 0 [pid 18613] +++ exited with 0 +++ [pid 18611] <... futex resumed>) = 0 [pid 18617] <... mmap resumed>) = 0x7fe89d140000 [pid 18611] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18617] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18615] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18613, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18617] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 18618 attached [pid 18617] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18615] <... clone resumed>, parent_tid=[18618], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18618 [pid 3610] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 3609] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 18618] set_robust_list(0x7fe89d1609e0, 24 [pid 18617] <... clone resumed>, parent_tid=[18619], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18619 [pid 18615] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3610] <... openat resumed>) = 3 [pid 3609] <... openat resumed>) = 3 [pid 18617] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18615] <... futex resumed>) = 0 [pid 3610] ioctl(3, LOOP_CLR_FD [pid 3609] ioctl(3, LOOP_CLR_FD [pid 18617] <... futex resumed>) = 0 [pid 18615] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 3610] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3609] <... ioctl resumed>) = -1 ENXIO (No such device or address) ./strace-static-x86_64: Process 18619 attached [pid 18618] <... set_robust_list resumed>) = 0 [pid 18617] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18616] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3610] close(3 [pid 3609] close(3 [pid 18619] set_robust_list(0x7fe89d1609e0, 24 [pid 18618] mkdir("./file0", 0777 [pid 18616] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3610] <... close resumed>) = 0 [pid 3609] <... close resumed>) = 0 [pid 18619] <... set_robust_list resumed>) = 0 [pid 18618] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18616] <... futex resumed>) = 1 [pid 18611] <... futex resumed>) = 0 [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18619] mkdir("./file0", 0777 [pid 18618] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18616] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18611] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18619] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18618] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18616] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18611] <... futex resumed>) = 0 [pid 3610] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18620 [pid 3609] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18621 [pid 18619] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18618] <... futex resumed>) = 1 [pid 18616] write(4, NULL, 126976 [pid 18615] <... futex resumed>) = 0 [pid 18611] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18619] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18618] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18616] <... write resumed>) = -1 EFAULT (Bad address) [pid 18615] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 18621 attached ./strace-static-x86_64: Process 18620 attached [pid 18619] <... futex resumed>) = 1 [pid 18618] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18617] <... futex resumed>) = 0 [pid 18616] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18615] <... futex resumed>) = 0 [pid 18619] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18618] pipe2( [pid 18620] set_robust_list(0x55555697d6e0, 24 [pid 18617] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18616] <... futex resumed>) = 1 [pid 18615] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18611] <... futex resumed>) = 0 [pid 18621] set_robust_list(0x55555697d6e0, 24 [pid 18620] <... set_robust_list resumed>) = 0 [pid 18619] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18618] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18617] <... futex resumed>) = 0 [pid 18616] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18611] exit_group(0 [pid 18619] pipe2( [pid 18618] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18620] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18617] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18616] <... futex resumed>) = ? [pid 18621] <... set_robust_list resumed>) = 0 [pid 18611] <... exit_group resumed>) = ? [pid 18619] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18618] <... futex resumed>) = 1 [pid 18616] +++ exited with 0 +++ [pid 18615] <... futex resumed>) = 0 [pid 18619] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18618] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18615] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18619] <... futex resumed>) = 1 [pid 18618] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18617] <... futex resumed>) = 0 [pid 18615] <... futex resumed>) = 0 [pid 18611] +++ exited with 0 +++ [pid 18620] <... prctl resumed>) = 0 [pid 18621] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18619] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18618] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18617] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18615] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3612] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18611, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18621] <... prctl resumed>) = 0 [pid 18620] setpgid(0, 0 [pid 18619] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18617] <... futex resumed>) = 0 [pid 18621] setpgid(0, 0 [pid 18620] <... setpgid resumed>) = 0 [pid 18621] <... setpgid resumed>) = 0 [pid 18620] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18619] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18621] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18620] <... openat resumed>) = 3 [pid 18617] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18621] <... openat resumed>) = 3 [pid 18620] write(3, "1000", 4 [pid 18621] write(3, "1000", 4 [pid 18620] <... write resumed>) = 4 [pid 18621] <... write resumed>) = 4 [pid 18620] close(3 [pid 18621] close(3 [pid 18620] <... close resumed>) = 0 [pid 18621] <... close resumed>) = 0 [pid 18620] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18621] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18620] <... futex resumed>) = 0 [pid 3612] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 18621] <... futex resumed>) = 0 [pid 18620] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18621] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18620] <... mmap resumed>) = 0x7fe89d140000 [pid 3612] <... openat resumed>) = 3 [pid 18621] <... mmap resumed>) = 0x7fe89d140000 [pid 18620] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 3612] ioctl(3, LOOP_CLR_FD [pid 18621] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18620] <... mprotect resumed>) = 0 [pid 3612] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18621] <... mprotect resumed>) = 0 [pid 18620] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18621] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18620] <... clone resumed>, parent_tid=[18622], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18622 [pid 18621] <... clone resumed>, parent_tid=[18623], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18623 [pid 18620] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3612] close(3 [pid 18621] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18620] <... futex resumed>) = 0 [pid 3612] <... close resumed>) = 0 [pid 18621] <... futex resumed>) = 0 [pid 18620] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 3612] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18621] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000}./strace-static-x86_64: Process 18623 attached [pid 3612] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18624 [pid 18623] set_robust_list(0x7fe89d1609e0, 24) = 0 [pid 18623] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 18623] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18618] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18623] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 18621] <... futex resumed>) = 0 [pid 18619] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18618] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 18624 attached ./strace-static-x86_64: Process 18622 attached [pid 18623] pipe2( [pid 18621] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18619] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18618] <... futex resumed>) = 1 [pid 18615] <... futex resumed>) = 0 [pid 18624] set_robust_list(0x55555697d6e0, 24 [pid 18623] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18622] set_robust_list(0x7fe89d1609e0, 24 [pid 18621] <... futex resumed>) = 0 [pid 18618] write(4, NULL, 126976 [pid 18617] <... futex resumed>) = 0 [pid 18619] <... futex resumed>) = 1 [pid 18615] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18624] <... set_robust_list resumed>) = 0 [pid 18623] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18622] <... set_robust_list resumed>) = 0 [pid 18621] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18619] write(4, NULL, 126976 [pid 18618] <... write resumed>) = -1 EFAULT (Bad address) [pid 18617] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18615] <... futex resumed>) = 0 [pid 18624] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18623] <... futex resumed>) = 0 [pid 18622] mkdir("./file0", 0777 [pid 18621] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18619] <... write resumed>) = -1 EFAULT (Bad address) [pid 18618] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18617] <... futex resumed>) = 0 [pid 18615] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18624] <... prctl resumed>) = 0 [pid 18623] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18622] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18621] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18619] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18618] <... futex resumed>) = 0 [pid 18617] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18615] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18624] setpgid(0, 0 [pid 18623] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18622] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18621] <... futex resumed>) = 0 [pid 18619] <... futex resumed>) = 0 [pid 18618] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18617] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18615] exit_group(0 [pid 18624] <... setpgid resumed>) = 0 [pid 18623] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18622] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18621] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18617] exit_group(0 [pid 18615] <... exit_group resumed>) = ? [pid 18624] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18622] <... futex resumed>) = 1 [pid 18620] <... futex resumed>) = 0 [pid 18618] <... futex resumed>) = ? [pid 18617] <... exit_group resumed>) = ? [pid 18624] <... openat resumed>) = 3 [pid 18622] pipe2( [pid 18620] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18619] +++ exited with 0 +++ [pid 18618] +++ exited with 0 +++ [pid 18617] +++ exited with 0 +++ [pid 18615] +++ exited with 0 +++ [pid 18624] write(3, "1000", 4 [pid 18622] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18620] <... futex resumed>) = 0 [pid 18624] <... write resumed>) = 4 [pid 18623] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18622] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18620] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18615, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18617, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18624] close(3 [pid 18623] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18622] <... futex resumed>) = 0 [pid 18620] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3613] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 3611] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 18624] <... close resumed>) = 0 [pid 18623] <... futex resumed>) = 1 [pid 18622] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18621] <... futex resumed>) = 0 [pid 18620] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3613] <... openat resumed>) = 3 [pid 3611] <... openat resumed>) = 3 [pid 18624] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18623] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18621] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18620] <... futex resumed>) = 0 [pid 3613] ioctl(3, LOOP_CLR_FD [pid 3611] ioctl(3, LOOP_CLR_FD [pid 18624] <... futex resumed>) = 0 [pid 18623] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18621] <... futex resumed>) = 0 [pid 18620] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3613] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3611] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18624] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18623] write(4, NULL, 126976 [pid 18621] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3613] close(3 [pid 3611] close(3 [pid 18624] <... mmap resumed>) = 0x7fe89d140000 [pid 18623] <... write resumed>) = -1 EFAULT (Bad address) [pid 3613] <... close resumed>) = 0 [pid 3611] <... close resumed>) = 0 [pid 18624] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18623] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18624] <... mprotect resumed>) = 0 [pid 18623] <... futex resumed>) = 1 [pid 18621] <... futex resumed>) = 0 [pid 18624] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18623] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18621] exit_group(0 [pid 3613] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18625 [pid 3611] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18626 [pid 18623] <... futex resumed>) = ? [pid 18621] <... exit_group resumed>) = ? [pid 18624] <... clone resumed>, parent_tid=[18627], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18627 [pid 18623] +++ exited with 0 +++ [pid 18621] +++ exited with 0 +++ ./strace-static-x86_64: Process 18626 attached [pid 18626] set_robust_list(0x55555697d6e0, 24) = 0 [pid 18626] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 18624] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18621, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 18626] setpgid(0, 0 [pid 18624] <... futex resumed>) = 0 [pid 18626] <... setpgid resumed>) = 0 [pid 18624] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18626] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 ./strace-static-x86_64: Process 18625 attached [pid 18626] write(3, "1000", 4) = 4 [pid 18625] set_robust_list(0x55555697d6e0, 24 [pid 18626] close(3 [pid 18625] <... set_robust_list resumed>) = 0 [pid 18622] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18626] <... close resumed>) = 0 [pid 3609] openat(AT_FDCWD, "/dev/loop0", O_RDWR./strace-static-x86_64: Process 18627 attached [pid 18626] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18625] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18622] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18627] set_robust_list(0x7fe89d1609e0, 24 [pid 18626] <... futex resumed>) = 0 [pid 18625] <... prctl resumed>) = 0 [pid 18622] <... futex resumed>) = 1 [pid 18620] <... futex resumed>) = 0 [pid 3609] <... openat resumed>) = 3 [pid 18627] <... set_robust_list resumed>) = 0 [pid 18626] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18625] setpgid(0, 0 [pid 18620] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3609] ioctl(3, LOOP_CLR_FD [pid 18622] write(4, NULL, 126976 [pid 18627] mkdir("./file0", 0777 [pid 18626] <... mmap resumed>) = 0x7fe89d140000 [pid 18625] <... setpgid resumed>) = 0 [pid 18620] <... futex resumed>) = 0 [pid 18622] <... write resumed>) = -1 EFAULT (Bad address) [pid 3609] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18627] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18626] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18625] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18622] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18620] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3609] close(3 [pid 18627] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18626] <... mprotect resumed>) = 0 [pid 18625] <... openat resumed>) = 3 [pid 18622] <... futex resumed>) = 0 [pid 18620] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3609] <... close resumed>) = 0 [pid 18627] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18626] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18625] write(3, "1000", 4 [pid 18622] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18620] exit_group(0 [pid 18627] <... futex resumed>) = 1 [pid 18625] <... write resumed>) = 4 [pid 18624] <... futex resumed>) = 0 [pid 18622] <... futex resumed>) = ? [pid 18620] <... exit_group resumed>) = ? [pid 3609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18627] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18626] <... clone resumed>, parent_tid=[18628], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18628 [pid 18625] close(3 [pid 18624] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18622] +++ exited with 0 +++ [pid 18620] +++ exited with 0 +++ ./strace-static-x86_64: Process 18628 attached [pid 18627] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18626] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18625] <... close resumed>) = 0 [pid 18624] <... futex resumed>) = 0 [pid 18628] set_robust_list(0x7fe89d1609e0, 24 [pid 18627] pipe2( [pid 18626] <... futex resumed>) = 0 [pid 18625] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18624] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18620, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3609] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18629 [pid 18628] <... set_robust_list resumed>) = 0 [pid 18627] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18626] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18625] <... futex resumed>) = 0 [pid 3610] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 18629 attached [pid 18628] mkdir("./file0", 0777 [pid 18627] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18625] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3610] <... restart_syscall resumed>) = 0 [pid 18629] set_robust_list(0x55555697d6e0, 24 [pid 18628] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18627] <... futex resumed>) = 1 [pid 18625] <... mmap resumed>) = 0x7fe89d140000 [pid 18624] <... futex resumed>) = 0 [pid 18629] <... set_robust_list resumed>) = 0 [pid 18628] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18627] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18625] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18624] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18629] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18628] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18627] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18625] <... mprotect resumed>) = 0 [pid 18624] <... futex resumed>) = 0 [pid 18629] <... prctl resumed>) = 0 [pid 18628] <... futex resumed>) = 1 [pid 18627] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18626] <... futex resumed>) = 0 [pid 18629] setpgid(0, 0 [pid 18628] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18626] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18625] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18624] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3610] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 18629] <... setpgid resumed>) = 0 [pid 18628] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18626] <... futex resumed>) = 0 [pid 18629] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18628] pipe2( [pid 18626] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3610] <... openat resumed>) = 3 [pid 18629] <... openat resumed>) = 3 [pid 18628] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18625] <... clone resumed>, parent_tid=[18630], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18630 [pid 3610] ioctl(3, LOOP_CLR_FD [pid 18629] write(3, "1000", 4 [pid 18628] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18625] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3610] <... ioctl resumed>) = -1 ENXIO (No such device or address) ./strace-static-x86_64: Process 18630 attached [pid 18629] <... write resumed>) = 4 [pid 18628] <... futex resumed>) = 1 [pid 18626] <... futex resumed>) = 0 [pid 18625] <... futex resumed>) = 0 [pid 3610] close(3 [pid 18629] close(3 [pid 18626] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18628] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18629] <... close resumed>) = 0 [pid 18626] <... futex resumed>) = 0 [pid 18625] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 3610] <... close resumed>) = 0 [pid 18629] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18626] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18629] <... futex resumed>) = 0 [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18629] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe89d140000 [pid 18629] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 18629] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[18631], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18631 [pid 18629] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 18629] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 3610] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18632 ./strace-static-x86_64: Process 18632 attached [pid 18632] set_robust_list(0x55555697d6e0, 24) = 0 [pid 18632] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 18632] setpgid(0, 0) = 0 [pid 18632] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 18632] write(3, "1000", 4./strace-static-x86_64: Process 18631 attached ) = 4 [pid 18630] set_robust_list(0x7fe89d1609e0, 24 [pid 18632] close(3 [pid 18631] set_robust_list(0x7fe89d1609e0, 24 [pid 18630] <... set_robust_list resumed>) = 0 [pid 18627] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18632] <... close resumed>) = 0 [pid 18631] <... set_robust_list resumed>) = 0 [pid 18632] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18631] mkdir("./file0", 0777 [pid 18630] mkdir("./file0", 0777 [pid 18628] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18627] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18632] <... futex resumed>) = 0 [pid 18631] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18630] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18628] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18627] <... futex resumed>) = 1 [pid 18624] <... futex resumed>) = 0 [pid 18632] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18631] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18627] write(4, NULL, 126976 [pid 18624] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18630] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18628] <... futex resumed>) = 1 [pid 18626] <... futex resumed>) = 0 [pid 18632] <... mmap resumed>) = 0x7fe89d140000 [pid 18631] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18630] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18627] <... write resumed>) = -1 EFAULT (Bad address) [pid 18626] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18624] <... futex resumed>) = 0 [pid 18632] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18631] <... futex resumed>) = 1 [pid 18630] <... futex resumed>) = 1 [pid 18629] <... futex resumed>) = 0 [pid 18628] write(4, NULL, 126976 [pid 18627] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18626] <... futex resumed>) = 0 [pid 18625] <... futex resumed>) = 0 [pid 18624] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18632] <... mprotect resumed>) = 0 [pid 18631] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18630] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18629] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18628] <... write resumed>) = -1 EFAULT (Bad address) [pid 18627] <... futex resumed>) = 0 [pid 18626] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18625] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18624] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18632] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18631] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18630] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18629] <... futex resumed>) = 0 [pid 18628] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18627] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18626] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18625] <... futex resumed>) = 0 [pid 18624] exit_group(0 [pid 18631] pipe2( [pid 18630] pipe2( [pid 18629] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18628] <... futex resumed>) = 0 [pid 18626] exit_group(0 [pid 18625] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18624] <... exit_group resumed>) = ? [pid 18627] <... futex resumed>) = ? [pid 18632] <... clone resumed>, parent_tid=[18633], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18633 [pid 18631] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18630] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18626] <... exit_group resumed>) = ? [pid 18632] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18631] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18628] +++ exited with 0 +++ [pid 18627] +++ exited with 0 +++ [pid 18630] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18626] +++ exited with 0 +++ [pid 18624] +++ exited with 0 +++ [pid 18632] <... futex resumed>) = 0 [pid 18631] <... futex resumed>) = 1 [pid 18630] <... futex resumed>) = 1 [pid 18629] <... futex resumed>) = 0 [pid 18625] <... futex resumed>) = 0 [pid 3612] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18624, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18626, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18632] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18631] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18630] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18629] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18625] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] restart_syscall(<... resuming interrupted clone ...> [pid 18631] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18630] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18629] <... futex resumed>) = 0 [pid 18625] <... futex resumed>) = 0 [pid 3611] <... restart_syscall resumed>) = 0 [pid 18631] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18630] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18629] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18625] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 18633 attached [pid 3612] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 18633] set_robust_list(0x7fe89d1609e0, 24 [pid 3612] <... openat resumed>) = 3 [pid 18633] <... set_robust_list resumed>) = 0 [pid 3612] ioctl(3, LOOP_CLR_FD [pid 18633] mkdir("./file0", 0777 [pid 3612] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18633] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3612] close(3 [pid 18633] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3612] <... close resumed>) = 0 [pid 18633] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3612] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18633] <... futex resumed>) = 1 [pid 18632] <... futex resumed>) = 0 [pid 3611] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 18633] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18632] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3612] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18634 [pid 3611] <... openat resumed>) = 3 ./strace-static-x86_64: Process 18634 attached [pid 18633] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18632] <... futex resumed>) = 0 [pid 18631] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3611] ioctl(3, LOOP_CLR_FD [pid 18634] set_robust_list(0x55555697d6e0, 24 [pid 18633] pipe2( [pid 18632] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18631] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18630] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3611] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18634] <... set_robust_list resumed>) = 0 [pid 18633] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18631] <... futex resumed>) = 1 [pid 18630] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18629] <... futex resumed>) = 0 [pid 3611] close(3 [pid 18634] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18633] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18631] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18630] <... futex resumed>) = 1 [pid 18629] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18625] <... futex resumed>) = 0 [pid 3611] <... close resumed>) = 0 [pid 18634] <... prctl resumed>) = 0 [pid 18633] <... futex resumed>) = 1 [pid 18632] <... futex resumed>) = 0 [pid 18631] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18630] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18629] <... futex resumed>) = 0 [pid 18625] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18634] setpgid(0, 0 [pid 18633] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18632] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18631] write(4, NULL, 126976 [pid 18630] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18629] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18625] <... futex resumed>) = 0 [pid 18634] <... setpgid resumed>) = 0 [pid 18633] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18632] <... futex resumed>) = 0 [pid 18631] <... write resumed>) = -1 EFAULT (Bad address) [pid 18630] write(4, NULL, 126976 [pid 18625] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 18635 attached [pid 18634] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18633] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18632] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18631] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18630] <... write resumed>) = -1 EFAULT (Bad address) [pid 3611] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18635 [pid 18635] set_robust_list(0x55555697d6e0, 24 [pid 18634] <... openat resumed>) = 3 [pid 18631] <... futex resumed>) = 1 [pid 18630] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18629] <... futex resumed>) = 0 [pid 18635] <... set_robust_list resumed>) = 0 [pid 18634] write(3, "1000", 4 [pid 18631] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18630] <... futex resumed>) = 1 [pid 18629] exit_group(0 [pid 18625] <... futex resumed>) = 0 [pid 18635] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18634] <... write resumed>) = 4 [pid 18633] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18631] <... futex resumed>) = ? [pid 18630] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18629] <... exit_group resumed>) = ? [pid 18625] exit_group(0 [pid 18635] <... prctl resumed>) = 0 [pid 18634] close(3 [pid 18633] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18631] +++ exited with 0 +++ [pid 18630] <... futex resumed>) = ? [pid 18625] <... exit_group resumed>) = ? [pid 18635] setpgid(0, 0 [pid 18634] <... close resumed>) = 0 [pid 18633] <... futex resumed>) = 1 [pid 18632] <... futex resumed>) = 0 [pid 18630] +++ exited with 0 +++ [pid 18629] +++ exited with 0 +++ [pid 18635] <... setpgid resumed>) = 0 [pid 18634] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18635] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18634] <... futex resumed>) = 0 [pid 18633] write(4, NULL, 126976 [pid 18632] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18625] +++ exited with 0 +++ [pid 18635] <... openat resumed>) = 3 [pid 18634] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18633] <... write resumed>) = -1 EFAULT (Bad address) [pid 18632] <... futex resumed>) = 0 [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18625, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18629, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18635] write(3, "1000", 4 [pid 18634] <... mmap resumed>) = 0x7fe89d140000 [pid 18633] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18632] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3609] restart_syscall(<... resuming interrupted clone ...> [pid 18635] <... write resumed>) = 4 [pid 18634] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18633] <... futex resumed>) = 0 [pid 18632] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3609] <... restart_syscall resumed>) = 0 [pid 18635] close(3 [pid 18634] <... mprotect resumed>) = 0 [pid 18633] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18632] exit_group(0 [pid 18635] <... close resumed>) = 0 [pid 18634] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18633] <... futex resumed>) = ? [pid 18632] <... exit_group resumed>) = ? [pid 18635] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18633] +++ exited with 0 +++ [pid 18635] <... futex resumed>) = 0 [pid 18634] <... clone resumed>, parent_tid=[18636], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18636 [pid 18635] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18634] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18635] <... mmap resumed>) = 0x7fe89d140000 [pid 18634] <... futex resumed>) = 0 [pid 18635] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18634] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18632] +++ exited with 0 +++ [pid 18635] <... mprotect resumed>) = 0 [pid 18635] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3609] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 3613] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18632, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18635] <... clone resumed>, parent_tid=[18637], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18637 [pid 3609] <... openat resumed>) = 3 [pid 18635] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3613] <... openat resumed>) = 3 [pid 3610] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 3609] ioctl(3, LOOP_CLR_FD [pid 18635] <... futex resumed>) = 0 [pid 3613] ioctl(3, LOOP_CLR_FD [pid 18635] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 3610] <... openat resumed>) = 3 [pid 3609] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3613] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3610] ioctl(3, LOOP_CLR_FD [pid 3609] close(3 [pid 3613] close(3 [pid 3610] <... ioctl resumed>) = -1 ENXIO (No such device or address) ./strace-static-x86_64: Process 18637 attached ./strace-static-x86_64: Process 18636 attached [pid 3613] <... close resumed>) = 0 [pid 3610] close(3 [pid 3609] <... close resumed>) = 0 [pid 18637] set_robust_list(0x7fe89d1609e0, 24 [pid 18636] set_robust_list(0x7fe89d1609e0, 24 [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3610] <... close resumed>) = 0 [pid 3609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18637] <... set_robust_list resumed>) = 0 [pid 18636] <... set_robust_list resumed>) = 0 [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18638 attached [pid 18637] mkdir("./file0", 0777 [pid 18636] mkdir("./file0", 0777 [pid 3613] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18638 [pid 3609] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18639 [pid 18637] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18636] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3610] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18640 [pid 18637] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18636] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18637] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18636] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18638] set_robust_list(0x55555697d6e0, 24 [pid 18637] <... futex resumed>) = 1 [pid 18636] <... futex resumed>) = 1 [pid 18635] <... futex resumed>) = 0 [pid 18634] <... futex resumed>) = 0 ./strace-static-x86_64: Process 18639 attached [pid 18638] <... set_robust_list resumed>) = 0 [pid 18637] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18636] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18635] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18634] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 18640 attached [pid 18639] set_robust_list(0x55555697d6e0, 24 [pid 18638] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18637] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18636] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18635] <... futex resumed>) = 0 [pid 18634] <... futex resumed>) = 0 [pid 18640] set_robust_list(0x55555697d6e0, 24 [pid 18639] <... set_robust_list resumed>) = 0 [pid 18638] <... prctl resumed>) = 0 [pid 18637] pipe2( [pid 18636] pipe2( [pid 18635] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18634] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18640] <... set_robust_list resumed>) = 0 [pid 18639] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18638] setpgid(0, 0 [pid 18637] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18636] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18640] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18639] <... prctl resumed>) = 0 [pid 18638] <... setpgid resumed>) = 0 [pid 18637] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18636] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18640] <... prctl resumed>) = 0 [pid 18639] setpgid(0, 0 [pid 18638] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18637] <... futex resumed>) = 1 [pid 18636] <... futex resumed>) = 1 [pid 18635] <... futex resumed>) = 0 [pid 18634] <... futex resumed>) = 0 [pid 18637] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18636] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18640] setpgid(0, 0 [pid 18639] <... setpgid resumed>) = 0 [pid 18640] <... setpgid resumed>) = 0 [pid 18638] <... openat resumed>) = 3 [pid 18636] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18635] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18634] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18640] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18639] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18638] write(3, "1000", 4 [pid 18637] <... futex resumed>) = 0 [pid 18636] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18635] <... futex resumed>) = 1 [pid 18634] <... futex resumed>) = 0 [pid 18640] <... openat resumed>) = 3 [pid 18639] <... openat resumed>) = 3 [pid 18638] <... write resumed>) = 4 [pid 18637] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18635] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18634] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18640] write(3, "1000", 4 [pid 18639] write(3, "1000", 4 [pid 18638] close(3 [pid 18640] <... write resumed>) = 4 [pid 18639] <... write resumed>) = 4 [pid 18638] <... close resumed>) = 0 [pid 18640] close(3 [pid 18639] close(3 [pid 18638] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18640] <... close resumed>) = 0 [pid 18639] <... close resumed>) = 0 [pid 18638] <... futex resumed>) = 0 [pid 18640] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18639] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18638] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18640] <... futex resumed>) = 0 [pid 18639] <... futex resumed>) = 0 [pid 18638] <... mmap resumed>) = 0x7fe89d140000 [pid 18640] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18639] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18638] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18640] <... mmap resumed>) = 0x7fe89d140000 [pid 18639] <... mmap resumed>) = 0x7fe89d140000 [pid 18638] <... mprotect resumed>) = 0 [pid 18640] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18639] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18638] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18640] <... mprotect resumed>) = 0 [pid 18639] <... mprotect resumed>) = 0 [pid 18640] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18639] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18638] <... clone resumed>, parent_tid=[18641], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18641 [pid 18638] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18640] <... clone resumed>, parent_tid=[18642], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18642 [pid 18639] <... clone resumed>, parent_tid=[18643], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18643 [pid 18638] <... futex resumed>) = 0 [pid 18640] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18639] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18638] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18640] <... futex resumed>) = 0 [pid 18639] <... futex resumed>) = 0 [pid 18640] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18639] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000}./strace-static-x86_64: Process 18642 attached [pid 18642] set_robust_list(0x7fe89d1609e0, 24) = 0 ./strace-static-x86_64: Process 18643 attached ./strace-static-x86_64: Process 18641 attached [pid 18642] mkdir("./file0", 0777 [pid 18643] set_robust_list(0x7fe89d1609e0, 24 [pid 18642] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18643] <... set_robust_list resumed>) = 0 [pid 18642] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18641] set_robust_list(0x7fe89d1609e0, 24 [pid 18643] mkdir("./file0", 0777 [pid 18642] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18641] <... set_robust_list resumed>) = 0 [pid 18643] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18642] <... futex resumed>) = 1 [pid 18640] <... futex resumed>) = 0 [pid 18641] mkdir("./file0", 0777 [pid 18642] pipe2( [pid 18640] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18643] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18641] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18642] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18643] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18640] <... futex resumed>) = 0 [pid 18641] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18643] <... futex resumed>) = 1 [pid 18642] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18640] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18639] <... futex resumed>) = 0 [pid 18641] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18643] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18642] <... futex resumed>) = 0 [pid 18641] <... futex resumed>) = 1 [pid 18640] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18639] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18638] <... futex resumed>) = 0 [pid 18642] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18640] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18639] <... futex resumed>) = 0 [pid 18638] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18643] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18642] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18641] pipe2( [pid 18640] <... futex resumed>) = 0 [pid 18639] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18638] <... futex resumed>) = 0 [pid 18643] pipe2( [pid 18642] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18641] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18640] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18638] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18643] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18641] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18636] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18643] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18641] <... futex resumed>) = 0 [pid 18638] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18636] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18643] <... futex resumed>) = 1 [pid 18641] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18639] <... futex resumed>) = 0 [pid 18638] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18636] <... futex resumed>) = 1 [pid 18634] <... futex resumed>) = 0 [pid 18643] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18641] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18639] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18638] <... futex resumed>) = 0 [pid 18636] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18634] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18643] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18641] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18636] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18643] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18636] write(4, NULL, 126976) = -1 EFAULT (Bad address) [pid 18636] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 18639] <... futex resumed>) = 0 [pid 18638] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18636] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18634] <... futex resumed>) = 0 [pid 18639] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18634] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 18634] exit_group(0 [pid 18637] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18636] <... futex resumed>) = ? [pid 18635] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 18634] <... exit_group resumed>) = ? [pid 18637] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18636] +++ exited with 0 +++ [pid 18635] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18637] <... futex resumed>) = 0 [pid 18635] <... futex resumed>) = 0 [pid 18634] +++ exited with 0 +++ [pid 18637] write(4, NULL, 126976 [pid 18635] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3612] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18634, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 18637] <... write resumed>) = -1 EFAULT (Bad address) [pid 18637] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18642] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18637] <... futex resumed>) = 1 [pid 18635] <... futex resumed>) = 0 [pid 18642] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18637] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18635] exit_group(0 [pid 18642] <... futex resumed>) = 1 [pid 18641] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18640] <... futex resumed>) = 0 [pid 18637] <... futex resumed>) = ? [pid 18635] <... exit_group resumed>) = ? [pid 18642] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18640] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18637] +++ exited with 0 +++ [pid 18635] +++ exited with 0 +++ [pid 18642] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18641] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18640] <... futex resumed>) = 0 [pid 3612] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 18642] write(4, NULL, 126976 [pid 18641] <... futex resumed>) = 1 [pid 18640] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18638] <... futex resumed>) = 0 [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18635, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18642] <... write resumed>) = -1 EFAULT (Bad address) [pid 18638] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3612] <... openat resumed>) = 3 [pid 3611] restart_syscall(<... resuming interrupted clone ...> [pid 18641] write(4, NULL, 126976 [pid 18642] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18638] <... futex resumed>) = 0 [pid 3612] ioctl(3, LOOP_CLR_FD [pid 3611] <... restart_syscall resumed>) = 0 [pid 18641] <... write resumed>) = -1 EFAULT (Bad address) [pid 18642] <... futex resumed>) = 1 [pid 18640] <... futex resumed>) = 0 [pid 18638] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18641] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3612] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18643] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18642] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18641] <... futex resumed>) = 0 [pid 18640] exit_group(0 [pid 18638] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3612] close(3 [pid 18642] <... futex resumed>) = ? [pid 18641] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18640] <... exit_group resumed>) = ? [pid 18638] exit_group(0 [pid 3612] <... close resumed>) = 0 [pid 3611] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 18643] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18642] +++ exited with 0 +++ [pid 18641] <... futex resumed>) = ? [pid 18638] <... exit_group resumed>) = ? [pid 3612] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18643] <... futex resumed>) = 1 [pid 18640] +++ exited with 0 +++ [pid 18639] <... futex resumed>) = 0 [pid 3611] <... openat resumed>) = 3 [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18640, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18639] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] ioctl(3, LOOP_CLR_FD [pid 18639] <... futex resumed>) = 0 [pid 3611] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18639] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3611] close(3 [pid 3612] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18644 [pid 3611] <... close resumed>) = 0 [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3610] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 3611] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18645 [pid 3610] <... openat resumed>) = 3 [pid 18643] write(4, NULL, 126976 [pid 18641] +++ exited with 0 +++ [pid 18638] +++ exited with 0 +++ [pid 3610] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 18644 attached [pid 18643] <... write resumed>) = -1 EFAULT (Bad address) [pid 18644] set_robust_list(0x55555697d6e0, 24 [pid 18643] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18638, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3610] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18639] <... futex resumed>) = 0 [pid 3613] restart_syscall(<... resuming interrupted clone ...> [pid 3610] close(3 [pid 18643] <... futex resumed>) = 1 [pid 18639] exit_group(0 [pid 3613] <... restart_syscall resumed>) = 0 [pid 18644] <... set_robust_list resumed>) = 0 [pid 18643] read(0, [pid 3610] <... close resumed>) = 0 [pid 18644] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18643] +++ exited with 0 +++ [pid 18639] <... exit_group resumed>) = ? [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18644] <... prctl resumed>) = 0 [pid 18644] setpgid(0, 0) = 0 [pid 18644] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 18639] +++ exited with 0 +++ [pid 18644] write(3, "1000", 4) = 4 [pid 18644] close(3 [pid 3613] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 18644] <... close resumed>) = 0 [pid 3613] <... openat resumed>) = 3 [pid 3610] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18646 [pid 3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18639, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3613] ioctl(3, LOOP_CLR_FD [pid 18644] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3613] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18644] <... futex resumed>) = 0 [pid 18644] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3613] close(3 [pid 3609] openat(AT_FDCWD, "/dev/loop0", O_RDWR./strace-static-x86_64: Process 18645 attached [pid 18644] <... mmap resumed>) = 0x7fe89d140000 [pid 3613] <... close resumed>) = 0 [pid 3609] <... openat resumed>) = 3 [pid 18645] set_robust_list(0x55555697d6e0, 24 [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3609] ioctl(3, LOOP_CLR_FD [pid 18645] <... set_robust_list resumed>) = 0 [pid 18644] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 3609] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18645] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3613] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18647 [pid 3609] close(3./strace-static-x86_64: Process 18646 attached [pid 18645] <... prctl resumed>) = 0 [pid 18644] <... mprotect resumed>) = 0 [pid 3609] <... close resumed>) = 0 [pid 18646] set_robust_list(0x55555697d6e0, 24 [pid 18645] setpgid(0, 0 [pid 18644] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18647 attached [pid 18646] <... set_robust_list resumed>) = 0 [pid 18645] <... setpgid resumed>) = 0 [pid 18645] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3609] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18649 [pid 18646] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18645] <... openat resumed>) = 3 [pid 18644] <... clone resumed>, parent_tid=[18648], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18648 [pid 18647] set_robust_list(0x55555697d6e0, 24 [pid 18646] <... prctl resumed>) = 0 [pid 18645] write(3, "1000", 4 [pid 18644] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18647] <... set_robust_list resumed>) = 0 [pid 18646] setpgid(0, 0 [pid 18645] <... write resumed>) = 4 [pid 18644] <... futex resumed>) = 0 [pid 18647] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18646] <... setpgid resumed>) = 0 [pid 18645] close(3 [pid 18644] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000}./strace-static-x86_64: Process 18649 attached [pid 18647] <... prctl resumed>) = 0 [pid 18646] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18645] <... close resumed>) = 0 [pid 18649] set_robust_list(0x55555697d6e0, 24 [pid 18647] setpgid(0, 0 [pid 18646] <... openat resumed>) = 3 [pid 18645] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 18648 attached [pid 18649] <... set_robust_list resumed>) = 0 [pid 18647] <... setpgid resumed>) = 0 [pid 18646] write(3, "1000", 4 [pid 18645] <... futex resumed>) = 0 [pid 18649] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18648] set_robust_list(0x7fe89d1609e0, 24 [pid 18647] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18646] <... write resumed>) = 4 [pid 18645] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18649] <... prctl resumed>) = 0 [pid 18648] <... set_robust_list resumed>) = 0 [pid 18647] <... openat resumed>) = 3 [pid 18646] close(3 [pid 18645] <... mmap resumed>) = 0x7fe89d140000 [pid 18649] setpgid(0, 0 [pid 18648] mkdir("./file0", 0777 [pid 18647] write(3, "1000", 4 [pid 18646] <... close resumed>) = 0 [pid 18645] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18649] <... setpgid resumed>) = 0 [pid 18648] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18647] <... write resumed>) = 4 [pid 18646] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18645] <... mprotect resumed>) = 0 [pid 18649] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18645] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18649] <... openat resumed>) = 3 [pid 18648] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18647] close(3 [pid 18646] <... futex resumed>) = 0 [pid 18649] write(3, "1000", 4 [pid 18648] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18647] <... close resumed>) = 0 [pid 18646] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18645] <... clone resumed>, parent_tid=[18650], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18650 ./strace-static-x86_64: Process 18650 attached [pid 18649] <... write resumed>) = 4 [pid 18648] <... futex resumed>) = 1 [pid 18647] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18646] <... mmap resumed>) = 0x7fe89d140000 [pid 18645] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18644] <... futex resumed>) = 0 [pid 18650] set_robust_list(0x7fe89d1609e0, 24 [pid 18649] close(3 [pid 18648] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18647] <... futex resumed>) = 0 [pid 18646] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18645] <... futex resumed>) = 0 [pid 18644] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18650] <... set_robust_list resumed>) = 0 [pid 18649] <... close resumed>) = 0 [pid 18648] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18647] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18646] <... mprotect resumed>) = 0 [pid 18645] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18644] <... futex resumed>) = 0 [pid 18650] mkdir("./file0", 0777 [pid 18649] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18648] pipe2( [pid 18647] <... mmap resumed>) = 0x7fe89d140000 [pid 18646] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18644] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18650] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18649] <... futex resumed>) = 0 [pid 18648] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18647] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18650] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18649] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18648] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18647] <... mprotect resumed>) = 0 [pid 18646] <... clone resumed>, parent_tid=[18651], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18651 [pid 18650] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18649] <... mmap resumed>) = 0x7fe89d140000 [pid 18648] <... futex resumed>) = 1 [pid 18647] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18646] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18644] <... futex resumed>) = 0 [pid 18650] <... futex resumed>) = 1 [pid 18649] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18648] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18646] <... futex resumed>) = 0 [pid 18645] <... futex resumed>) = 0 [pid 18644] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18650] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18649] <... mprotect resumed>) = 0 [pid 18648] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18647] <... clone resumed>, parent_tid=[18652], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18652 [pid 18646] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18645] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18644] <... futex resumed>) = 0 ./strace-static-x86_64: Process 18651 attached [pid 18650] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18649] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18648] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18647] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18645] <... futex resumed>) = 0 [pid 18644] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 18653 attached ./strace-static-x86_64: Process 18652 attached [pid 18651] set_robust_list(0x7fe89d1609e0, 24 [pid 18650] pipe2( [pid 18647] <... futex resumed>) = 0 [pid 18645] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18653] set_robust_list(0x7fe89d1609e0, 24 [pid 18652] set_robust_list(0x7fe89d1609e0, 24 [pid 18651] <... set_robust_list resumed>) = 0 [pid 18650] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18649] <... clone resumed>, parent_tid=[18653], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18653 [pid 18653] <... set_robust_list resumed>) = 0 [pid 18652] <... set_robust_list resumed>) = 0 [pid 18651] mkdir("./file0", 0777 [pid 18650] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18649] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18647] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18653] mkdir("./file0", 0777 [pid 18652] mkdir("./file0", 0777 [pid 18651] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18650] <... futex resumed>) = 1 [pid 18649] <... futex resumed>) = 0 [pid 18645] <... futex resumed>) = 0 [pid 18653] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18652] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18651] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18649] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18645] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18653] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18652] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18651] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18650] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18645] <... futex resumed>) = 0 [pid 18653] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18652] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18651] <... futex resumed>) = 1 [pid 18646] <... futex resumed>) = 0 [pid 18645] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18653] <... futex resumed>) = 1 [pid 18652] <... futex resumed>) = 1 [pid 18651] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18649] <... futex resumed>) = 0 [pid 18647] <... futex resumed>) = 0 [pid 18646] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18653] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18652] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18651] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18649] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18647] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18646] <... futex resumed>) = 0 [pid 18653] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18652] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18651] pipe2( [pid 18649] <... futex resumed>) = 0 [pid 18647] <... futex resumed>) = 0 [pid 18646] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18653] pipe2( [pid 18652] pipe2( [pid 18651] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18649] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18647] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18653] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18652] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18651] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18653] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18652] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18651] <... futex resumed>) = 1 [pid 18646] <... futex resumed>) = 0 [pid 18653] <... futex resumed>) = 1 [pid 18652] <... futex resumed>) = 1 [pid 18651] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18649] <... futex resumed>) = 0 [pid 18647] <... futex resumed>) = 0 [pid 18646] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18653] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18652] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18651] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18649] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18647] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18646] <... futex resumed>) = 0 [pid 18653] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18652] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18651] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18649] <... futex resumed>) = 0 [pid 18647] <... futex resumed>) = 0 [pid 18646] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18653] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18652] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18650] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18649] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18648] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18647] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18650] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18648] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18650] <... futex resumed>) = 1 [pid 18648] <... futex resumed>) = 1 [pid 18644] <... futex resumed>) = 0 [pid 18650] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18648] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18645] <... futex resumed>) = 0 [pid 18644] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18648] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18645] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18644] <... futex resumed>) = 0 [pid 18650] <... futex resumed>) = 0 [pid 18648] write(4, NULL, 126976 [pid 18645] <... futex resumed>) = 1 [pid 18644] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18648] <... write resumed>) = -1 EFAULT (Bad address) [pid 18645] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18650] write(4, NULL, 126976 [pid 18648] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18650] <... write resumed>) = -1 EFAULT (Bad address) [pid 18648] <... futex resumed>) = 1 [pid 18644] <... futex resumed>) = 0 [pid 18650] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18648] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18644] exit_group(0 [pid 18653] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18650] <... futex resumed>) = 1 [pid 18648] <... futex resumed>) = ? [pid 18645] <... futex resumed>) = 0 [pid 18644] <... exit_group resumed>) = ? [pid 18653] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18652] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18651] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18650] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18648] +++ exited with 0 +++ [pid 18645] exit_group(0 [pid 18644] +++ exited with 0 +++ [pid 18653] <... futex resumed>) = 1 [pid 18652] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18651] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18650] <... futex resumed>) = ? [pid 18649] <... futex resumed>) = 0 [pid 18645] <... exit_group resumed>) = ? [pid 3612] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18644, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18653] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18652] <... futex resumed>) = 1 [pid 18651] <... futex resumed>) = 1 [pid 18650] +++ exited with 0 +++ [pid 18649] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18647] <... futex resumed>) = 0 [pid 18646] <... futex resumed>) = 0 [pid 18647] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18646] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18645] +++ exited with 0 +++ [pid 18649] <... futex resumed>) = 0 [pid 18653] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18652] write(4, NULL, 126976 [pid 18651] write(4, NULL, 126976 [pid 18649] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18647] <... futex resumed>) = 0 [pid 18646] <... futex resumed>) = 0 [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18645, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18653] write(4, NULL, 126976 [pid 18652] <... write resumed>) = -1 EFAULT (Bad address) [pid 18651] <... write resumed>) = -1 EFAULT (Bad address) [pid 18647] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18646] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3612] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 18653] <... write resumed>) = -1 EFAULT (Bad address) [pid 18652] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18651] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18647] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18646] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3612] <... openat resumed>) = 3 [pid 18653] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18652] <... futex resumed>) = 0 [pid 18651] <... futex resumed>) = 0 [pid 18647] exit_group(0 [pid 18646] exit_group(0 [pid 3612] ioctl(3, LOOP_CLR_FD [pid 3611] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 18653] <... futex resumed>) = 1 [pid 18649] <... futex resumed>) = 0 [pid 18647] <... exit_group resumed>) = ? [pid 18646] <... exit_group resumed>) = ? [pid 3612] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3611] <... openat resumed>) = 3 [pid 18653] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18652] +++ exited with 0 +++ [pid 18651] +++ exited with 0 +++ [pid 18649] exit_group(0 [pid 18647] +++ exited with 0 +++ [pid 18646] +++ exited with 0 +++ [pid 3612] close(3 [pid 3611] ioctl(3, LOOP_CLR_FD [pid 18653] <... futex resumed>) = ? [pid 18649] <... exit_group resumed>) = ? [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18647, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3612] <... close resumed>) = 0 [pid 3611] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3613] restart_syscall(<... resuming interrupted clone ...> [pid 3612] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3611] close(3 [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18646, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3613] <... restart_syscall resumed>) = 0 [pid 3611] <... close resumed>) = 0 [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3612] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18654 [pid 3611] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18655 ./strace-static-x86_64: Process 18654 attached [pid 18653] +++ exited with 0 +++ [pid 18649] +++ exited with 0 +++ [pid 3613] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 18654] set_robust_list(0x55555697d6e0, 24 [pid 3613] ioctl(3, LOOP_CLR_FD [pid 3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18649, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 18654] <... set_robust_list resumed>) = 0 [pid 3613] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3613] close(3./strace-static-x86_64: Process 18655 attached [pid 18654] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3613] <... close resumed>) = 0 [pid 3610] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 18655] set_robust_list(0x55555697d6e0, 24 [pid 18654] <... prctl resumed>) = 0 [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3610] <... openat resumed>) = 3 [pid 18655] <... set_robust_list resumed>) = 0 [pid 18654] setpgid(0, 0 [pid 3610] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 18656 attached [pid 18654] <... setpgid resumed>) = 0 [pid 3613] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18656 [pid 18656] set_robust_list(0x55555697d6e0, 24 [pid 18654] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3610] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3609] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 3610] close(3 [pid 18656] <... set_robust_list resumed>) = 0 [pid 3609] <... openat resumed>) = 3 [pid 18656] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18654] <... openat resumed>) = 3 [pid 3610] <... close resumed>) = 0 [pid 3609] ioctl(3, LOOP_CLR_FD [pid 18656] <... prctl resumed>) = 0 [pid 18654] write(3, "1000", 4 [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3609] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18656] setpgid(0, 0) = 0 [pid 18656] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 18654] <... write resumed>) = 4 [pid 3609] close(3 [pid 18655] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 18657 attached [pid 18656] write(3, "1000", 4 [pid 18655] <... prctl resumed>) = 0 [pid 18654] close(3 [pid 3610] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18657 [pid 3609] <... close resumed>) = 0 [pid 18657] set_robust_list(0x55555697d6e0, 24 [pid 18655] setpgid(0, 0 [pid 18654] <... close resumed>) = 0 [pid 3609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18657] <... set_robust_list resumed>) = 0 [pid 18656] <... write resumed>) = 4 [pid 18655] <... setpgid resumed>) = 0 [pid 18654] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18657] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18656] close(3 [pid 18655] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18654] <... futex resumed>) = 0 [pid 3609] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18658 [pid 18657] <... prctl resumed>) = 0 [pid 18656] <... close resumed>) = 0 [pid 18655] <... openat resumed>) = 3 [pid 18654] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18657] setpgid(0, 0 [pid 18656] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18655] write(3, "1000", 4 [pid 18654] <... mmap resumed>) = 0x7fe89d140000 [pid 18657] <... setpgid resumed>) = 0 [pid 18656] <... futex resumed>) = 0 [pid 18655] <... write resumed>) = 4 [pid 18654] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18657] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18656] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18655] close(3 [pid 18654] <... mprotect resumed>) = 0 [pid 18657] <... openat resumed>) = 3 [pid 18656] <... mmap resumed>) = 0x7fe89d140000 [pid 18655] <... close resumed>) = 0 [pid 18654] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18657] write(3, "1000", 4 [pid 18656] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18655] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18657] <... write resumed>) = 4 [pid 18656] <... mprotect resumed>) = 0 [pid 18655] <... futex resumed>) = 0 [pid 18654] <... clone resumed>, parent_tid=[18659], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18659 ./strace-static-x86_64: Process 18658 attached [pid 18657] close(3 [pid 18656] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18655] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18654] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18658] set_robust_list(0x55555697d6e0, 24 [pid 18657] <... close resumed>) = 0 [pid 18655] <... mmap resumed>) = 0x7fe89d140000 [pid 18654] <... futex resumed>) = 0 [pid 18658] <... set_robust_list resumed>) = 0 [pid 18657] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18656] <... clone resumed>, parent_tid=[18660], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18660 [pid 18655] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18654] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000}./strace-static-x86_64: Process 18660 attached [pid 18658] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18657] <... futex resumed>) = 0 [pid 18656] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18655] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 18659 attached [pid 18660] set_robust_list(0x7fe89d1609e0, 24 [pid 18658] <... prctl resumed>) = 0 [pid 18657] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18656] <... futex resumed>) = 0 [pid 18655] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 18661 attached [pid 18660] <... set_robust_list resumed>) = 0 [pid 18659] set_robust_list(0x7fe89d1609e0, 24 [pid 18658] setpgid(0, 0 [pid 18657] <... mmap resumed>) = 0x7fe89d140000 [pid 18656] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18661] set_robust_list(0x7fe89d1609e0, 24 [pid 18658] <... setpgid resumed>) = 0 [pid 18657] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18655] <... clone resumed>, parent_tid=[18661], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18661 [pid 18660] mkdir("./file0", 0777 [pid 18659] <... set_robust_list resumed>) = 0 [pid 18658] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18657] <... mprotect resumed>) = 0 [pid 18655] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18661] <... set_robust_list resumed>) = 0 [pid 18660] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18658] <... openat resumed>) = 3 [pid 18657] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18655] <... futex resumed>) = 0 [pid 18660] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18659] mkdir("./file0", 0777 [pid 18658] write(3, "1000", 4 [pid 18655] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18661] mkdir("./file0", 0777 [pid 18660] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18659] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18658] <... write resumed>) = 4 [pid 18657] <... clone resumed>, parent_tid=[18662], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18662 [pid 18660] <... futex resumed>) = 1 [pid 18659] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18658] close(3 [pid 18657] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18656] <... futex resumed>) = 0 [pid 18660] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18657] <... futex resumed>) = 0 [pid 18656] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18658] <... close resumed>) = 0 [pid 18660] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18659] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18658] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18657] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18656] <... futex resumed>) = 0 [pid 18661] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18660] pipe2( [pid 18659] <... futex resumed>) = 1 [pid 18658] <... futex resumed>) = 0 [pid 18656] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18654] <... futex resumed>) = 0 ./strace-static-x86_64: Process 18662 attached [pid 18661] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18660] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18659] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18658] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18654] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18662] set_robust_list(0x7fe89d1609e0, 24 [pid 18661] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18660] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18659] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18658] <... mmap resumed>) = 0x7fe89d140000 [pid 18654] <... futex resumed>) = 0 [pid 18662] <... set_robust_list resumed>) = 0 [pid 18661] <... futex resumed>) = 1 [pid 18660] <... futex resumed>) = 1 [pid 18659] pipe2( [pid 18658] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18656] <... futex resumed>) = 0 [pid 18655] <... futex resumed>) = 0 [pid 18654] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18662] mkdir("./file0", 0777 [pid 18661] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18660] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18659] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18658] <... mprotect resumed>) = 0 [pid 18656] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18655] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18662] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18661] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18660] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18659] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18658] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18656] <... futex resumed>) = 0 [pid 18655] <... futex resumed>) = 0 [pid 18662] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18661] pipe2( [pid 18660] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18659] <... futex resumed>) = 1 [pid 18656] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18655] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18654] <... futex resumed>) = 0 [pid 18662] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18661] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18654] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18662] <... futex resumed>) = 1 [pid 18659] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18658] <... clone resumed>, parent_tid=[18663], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18663 [pid 18657] <... futex resumed>) = 0 [pid 18654] <... futex resumed>) = 0 [pid 18662] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18657] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18654] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 18663 attached [pid 18662] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18658] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18657] <... futex resumed>) = 0 [pid 18663] set_robust_list(0x7fe89d1609e0, 24 [pid 18662] pipe2( [pid 18658] <... futex resumed>) = 0 [pid 18657] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18663] <... set_robust_list resumed>) = 0 [pid 18662] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18663] mkdir("./file0", 0777 [pid 18662] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18663] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18662] <... futex resumed>) = 1 [pid 18657] <... futex resumed>) = 0 [pid 18658] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18663] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18662] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18657] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18661] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18663] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18662] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18657] <... futex resumed>) = 0 [pid 18663] <... futex resumed>) = 1 [pid 18662] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18657] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18663] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18661] <... futex resumed>) = 1 [pid 18658] <... futex resumed>) = 0 [pid 18655] <... futex resumed>) = 0 [pid 18661] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18658] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18655] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18663] <... futex resumed>) = 0 [pid 18661] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18658] <... futex resumed>) = 1 [pid 18655] <... futex resumed>) = 0 [pid 18663] pipe2( [pid 18661] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18658] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18655] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18663] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18663] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 18658] <... futex resumed>) = 0 [pid 18663] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18658] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18663] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18658] <... futex resumed>) = 0 [pid 18663] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18658] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18656] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 18662] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18660] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18656] futex(0x7fe89d2384dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18654] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 18663] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18662] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18661] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18660] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18659] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18657] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 18656] <... futex resumed>) = 0 [pid 18654] futex(0x7fe89d2384dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18663] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18662] <... futex resumed>) = 0 [pid 18661] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18660] <... futex resumed>) = 0 [pid 18659] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18657] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18656] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18654] <... futex resumed>) = 0 [pid 18663] <... futex resumed>) = 1 [pid 18662] write(4, NULL, 126976 [pid 18661] <... futex resumed>) = 1 [pid 18660] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18659] <... futex resumed>) = 0 [pid 18658] <... futex resumed>) = 0 [pid 18657] <... futex resumed>) = 0 [pid 18656] <... mmap resumed>) = 0x7fe89d11f000 [pid 18655] <... futex resumed>) = 0 [pid 18654] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18663] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18662] <... write resumed>) = -1 EFAULT (Bad address) [pid 18661] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18659] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18658] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18657] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18656] mprotect(0x7fe89d120000, 131072, PROT_READ|PROT_WRITE [pid 18655] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18654] <... mmap resumed>) = 0x7fe89d11f000 [pid 18663] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18662] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18661] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18658] <... futex resumed>) = 0 [pid 18657] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18656] <... mprotect resumed>) = 0 [pid 18655] <... futex resumed>) = 0 [pid 18654] mprotect(0x7fe89d120000, 131072, PROT_READ|PROT_WRITE [pid 18663] write(4, NULL, 126976 [pid 18662] <... futex resumed>) = 0 [pid 18661] write(4, NULL, 126976 [pid 18658] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18657] exit_group(0 [pid 18656] clone(child_stack=0x7fe89d13f2f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18655] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18654] <... mprotect resumed>) = 0 [pid 18663] <... write resumed>) = -1 EFAULT (Bad address) [pid 18661] <... write resumed>) = -1 EFAULT (Bad address) [pid 18657] <... exit_group resumed>) = ? [pid 18654] clone(child_stack=0x7fe89d13f2f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 18665 attached ./strace-static-x86_64: Process 18664 attached [pid 18663] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18662] +++ exited with 0 +++ [pid 18661] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18657] +++ exited with 0 +++ [pid 18656] <... clone resumed>, parent_tid=[18664], tls=0x7fe89d13f700, child_tidptr=0x7fe89d13f9d0) = 18664 [pid 18664] set_robust_list(0x7fe89d13f9e0, 24 [pid 18663] <... futex resumed>) = 1 [pid 18661] <... futex resumed>) = 1 [pid 18658] <... futex resumed>) = 0 [pid 18656] futex(0x7fe89d2384d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18665] set_robust_list(0x7fe89d13f9e0, 24 [pid 18655] <... futex resumed>) = 0 [pid 18654] <... clone resumed>, parent_tid=[18665], tls=0x7fe89d13f700, child_tidptr=0x7fe89d13f9d0) = 18665 [pid 18665] <... set_robust_list resumed>) = 0 [pid 18664] <... set_robust_list resumed>) = 0 [pid 18663] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18661] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18658] exit_group(0 [pid 18656] <... futex resumed>) = 0 [pid 18655] exit_group(0 [pid 18654] futex(0x7fe89d2384d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18657, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18665] write(4, NULL, 126976 [pid 18664] write(4, NULL, 126976 [pid 18663] <... futex resumed>) = ? [pid 18661] <... futex resumed>) = ? [pid 18658] <... exit_group resumed>) = ? [pid 18656] futex(0x7fe89d2384dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18655] <... exit_group resumed>) = ? [pid 18654] <... futex resumed>) = 0 [pid 3610] restart_syscall(<... resuming interrupted clone ...> [pid 18665] <... write resumed>) = -1 EFAULT (Bad address) [pid 18664] <... write resumed>) = -1 EFAULT (Bad address) [pid 18663] +++ exited with 0 +++ [pid 18661] +++ exited with 0 +++ [pid 18658] +++ exited with 0 +++ [pid 18655] +++ exited with 0 +++ [pid 18654] futex(0x7fe89d2384dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3610] <... restart_syscall resumed>) = 0 [pid 18664] futex(0x7fe89d2384dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18655, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18664] <... futex resumed>) = 1 [pid 18656] <... futex resumed>) = 0 [pid 3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18658, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18664] futex(0x7fe89d2384d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18656] exit_group(0 [pid 18664] <... futex resumed>) = ? [pid 18660] <... futex resumed>) = ? [pid 18656] <... exit_group resumed>) = ? [pid 3610] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 18660] +++ exited with 0 +++ [pid 3609] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 3610] <... openat resumed>) = 3 [pid 3610] ioctl(3, LOOP_CLR_FD [pid 3611] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 3609] <... openat resumed>) = 3 [pid 3611] <... openat resumed>) = 3 [pid 3609] ioctl(3, LOOP_CLR_FD [pid 3611] ioctl(3, LOOP_CLR_FD [pid 3610] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3609] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3609] close(3 [pid 3611] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3609] <... close resumed>) = 0 [pid 18664] +++ exited with 0 +++ [pid 18656] +++ exited with 0 +++ [pid 3611] close(3 [pid 3610] close(3 [pid 3609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3611] <... close resumed>) = 0 [pid 3610] <... close resumed>) = 0 [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18656, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3613] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 3611] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18667 [pid 3610] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18668 [pid 3613] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 3613] close(3 [pid 3609] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18666 [pid 3613] <... close resumed>) = 0 [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18668 attached [pid 18665] futex(0x7fe89d2384dc, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 18666 attached [pid 18668] set_robust_list(0x55555697d6e0, 24 [pid 18665] <... futex resumed>) = 1 [pid 18654] <... futex resumed>) = 0 [pid 3613] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18669 [pid 18668] <... set_robust_list resumed>) = 0 [pid 18666] set_robust_list(0x55555697d6e0, 24 [pid 18665] futex(0x7fe89d2384d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18654] exit_group(0./strace-static-x86_64: Process 18667 attached [pid 18668] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18666] <... set_robust_list resumed>) = 0 [pid 18665] <... futex resumed>) = ? [pid 18659] <... futex resumed>) = ? [pid 18654] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 18669 attached [pid 18668] <... prctl resumed>) = 0 [pid 18667] set_robust_list(0x55555697d6e0, 24 [pid 18665] +++ exited with 0 +++ [pid 18659] +++ exited with 0 +++ [pid 18669] set_robust_list(0x55555697d6e0, 24 [pid 18668] setpgid(0, 0 [pid 18667] <... set_robust_list resumed>) = 0 [pid 18666] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18654] +++ exited with 0 +++ [pid 18669] <... set_robust_list resumed>) = 0 [pid 18668] <... setpgid resumed>) = 0 [pid 18667] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18666] <... prctl resumed>) = 0 [pid 3612] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18654, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18669] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18668] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18667] <... prctl resumed>) = 0 [pid 18666] setpgid(0, 0 [pid 18669] <... prctl resumed>) = 0 [pid 18668] <... openat resumed>) = 3 [pid 18667] setpgid(0, 0 [pid 18666] <... setpgid resumed>) = 0 [pid 18669] setpgid(0, 0 [pid 18668] write(3, "1000", 4 [pid 18667] <... setpgid resumed>) = 0 [pid 18666] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18669] <... setpgid resumed>) = 0 [pid 18668] <... write resumed>) = 4 [pid 18667] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18669] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18667] <... openat resumed>) = 3 [pid 18669] <... openat resumed>) = 3 [pid 18667] write(3, "1000", 4 [pid 3612] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 18669] write(3, "1000", 4 [pid 18667] <... write resumed>) = 4 [pid 3612] <... openat resumed>) = 3 [pid 18669] <... write resumed>) = 4 [pid 18668] close(3 [pid 18667] close(3 [pid 18666] <... openat resumed>) = 3 [pid 3612] ioctl(3, LOOP_CLR_FD [pid 18669] close(3 [pid 18668] <... close resumed>) = 0 [pid 18667] <... close resumed>) = 0 [pid 18666] write(3, "1000", 4 [pid 3612] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18669] <... close resumed>) = 0 [pid 18668] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18667] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18666] <... write resumed>) = 4 [pid 3612] close(3 [pid 18669] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18668] <... futex resumed>) = 0 [pid 18667] <... futex resumed>) = 0 [pid 18666] close(3 [pid 3612] <... close resumed>) = 0 [pid 18669] <... futex resumed>) = 0 [pid 18668] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18667] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18666] <... close resumed>) = 0 [pid 3612] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18670 attached [pid 18669] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18668] <... mmap resumed>) = 0x7fe89d140000 [pid 18667] <... mmap resumed>) = 0x7fe89d140000 [pid 18666] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18670] set_robust_list(0x55555697d6e0, 24 [pid 18669] <... mmap resumed>) = 0x7fe89d140000 [pid 18668] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18667] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18666] <... futex resumed>) = 0 [pid 3612] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18670 [pid 18670] <... set_robust_list resumed>) = 0 [pid 18669] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18668] <... mprotect resumed>) = 0 [pid 18667] <... mprotect resumed>) = 0 [pid 18666] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18670] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18669] <... mprotect resumed>) = 0 [pid 18668] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18667] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18666] <... mmap resumed>) = 0x7fe89d140000 ./strace-static-x86_64: Process 18672 attached ./strace-static-x86_64: Process 18671 attached [pid 18670] <... prctl resumed>) = 0 [pid 18669] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18666] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 18673 attached [pid 18672] set_robust_list(0x7fe89d1609e0, 24 [pid 18671] set_robust_list(0x7fe89d1609e0, 24 [pid 18670] setpgid(0, 0 [pid 18668] <... clone resumed>, parent_tid=[18671], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18671 [pid 18667] <... clone resumed>, parent_tid=[18672], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18672 [pid 18666] <... mprotect resumed>) = 0 [pid 18673] set_robust_list(0x7fe89d1609e0, 24 [pid 18672] <... set_robust_list resumed>) = 0 [pid 18671] <... set_robust_list resumed>) = 0 [pid 18670] <... setpgid resumed>) = 0 [pid 18669] <... clone resumed>, parent_tid=[18673], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18673 [pid 18668] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18667] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18666] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 18674 attached [pid 18673] <... set_robust_list resumed>) = 0 [pid 18672] mkdir("./file0", 0777 [pid 18671] mkdir("./file0", 0777 [pid 18670] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18669] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18668] <... futex resumed>) = 0 [pid 18667] <... futex resumed>) = 0 [pid 18674] set_robust_list(0x7fe89d1609e0, 24 [pid 18673] mkdir("./file0", 0777 [pid 18672] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18671] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18670] <... openat resumed>) = 3 [pid 18669] <... futex resumed>) = 0 [pid 18668] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18667] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18666] <... clone resumed>, parent_tid=[18674], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18674 [pid 18674] <... set_robust_list resumed>) = 0 [pid 18673] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18672] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18671] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18670] write(3, "1000", 4 [pid 18669] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18666] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18674] mkdir("./file0", 0777 [pid 18673] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18672] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18671] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18670] <... write resumed>) = 4 [pid 18666] <... futex resumed>) = 0 [pid 18674] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18673] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18672] <... futex resumed>) = 1 [pid 18671] <... futex resumed>) = 1 [pid 18670] close(3 [pid 18668] <... futex resumed>) = 0 [pid 18667] <... futex resumed>) = 0 [pid 18666] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18674] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18673] <... futex resumed>) = 1 [pid 18672] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18671] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18670] <... close resumed>) = 0 [pid 18669] <... futex resumed>) = 0 [pid 18668] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18667] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18674] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18673] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18672] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18671] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18670] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18669] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18668] <... futex resumed>) = 0 [pid 18667] <... futex resumed>) = 0 [pid 18674] <... futex resumed>) = 1 [pid 18673] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18672] pipe2( [pid 18671] pipe2( [pid 18670] <... futex resumed>) = 0 [pid 18669] <... futex resumed>) = 0 [pid 18668] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18667] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18666] <... futex resumed>) = 0 [pid 18674] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18673] pipe2( [pid 18672] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18671] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18670] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18669] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18666] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18674] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18673] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18672] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18671] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18670] <... mmap resumed>) = 0x7fe89d140000 [pid 18666] <... futex resumed>) = 0 [pid 18674] pipe2( [pid 18673] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18672] <... futex resumed>) = 1 [pid 18671] <... futex resumed>) = 1 [pid 18670] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18668] <... futex resumed>) = 0 [pid 18667] <... futex resumed>) = 0 [pid 18666] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18674] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18673] <... futex resumed>) = 1 [pid 18672] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18671] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18670] <... mprotect resumed>) = 0 [pid 18669] <... futex resumed>) = 0 [pid 18668] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18667] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18674] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18673] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18672] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18671] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18670] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18669] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18668] <... futex resumed>) = 0 [pid 18667] <... futex resumed>) = 0 [pid 18674] <... futex resumed>) = 1 [pid 18673] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18672] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18671] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18669] <... futex resumed>) = 0 [pid 18668] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18667] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18666] <... futex resumed>) = 0 [pid 18674] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18673] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18669] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18666] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 18670] <... clone resumed>, parent_tid=[18675], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18675 [pid 18666] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18670] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 18675 attached ) = 0 [pid 18675] set_robust_list(0x7fe89d1609e0, 24) = 0 [pid 18675] mkdir("./file0", 0777 [pid 18670] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18675] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18675] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18675] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 18670] <... futex resumed>) = 0 [pid 18675] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 18670] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18675] pipe2( [pid 18670] <... futex resumed>) = 0 [pid 18675] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18675] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18670] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18675] <... futex resumed>) = 0 [pid 18670] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18675] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18670] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18675] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18675] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18674] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18674] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18670] <... futex resumed>) = 0 [pid 18670] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18672] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18671] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18673] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18672] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18671] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18675] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18673] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18672] <... futex resumed>) = 1 [pid 18671] <... futex resumed>) = 1 [pid 18668] <... futex resumed>) = 0 [pid 18667] <... futex resumed>) = 0 [pid 18675] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18673] <... futex resumed>) = 1 [pid 18672] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18671] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18669] <... futex resumed>) = 0 [pid 18668] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18667] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18675] <... futex resumed>) = 1 [pid 18673] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18672] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18671] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18670] <... futex resumed>) = 0 [pid 18669] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18668] <... futex resumed>) = 0 [pid 18667] <... futex resumed>) = 0 [pid 18675] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18673] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18672] write(4, NULL, 126976 [pid 18671] write(4, NULL, 126976 [pid 18670] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18668] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18675] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18673] write(4, NULL, 126976 [pid 18672] <... write resumed>) = -1 EFAULT (Bad address) [pid 18671] <... write resumed>) = -1 EFAULT (Bad address) [pid 18670] <... futex resumed>) = 0 [pid 18669] <... futex resumed>) = 0 [pid 18667] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18675] write(4, NULL, 126976 [pid 18673] <... write resumed>) = -1 EFAULT (Bad address) [pid 18672] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18671] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18670] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18669] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18667] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18675] <... write resumed>) = -1 EFAULT (Bad address) [pid 18673] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18672] <... futex resumed>) = 0 [pid 18671] <... futex resumed>) = 1 [pid 18669] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18668] <... futex resumed>) = 0 [pid 18675] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18673] <... futex resumed>) = 0 [pid 18672] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18671] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18669] exit_group(0 [pid 18668] exit_group(0 [pid 18667] exit_group(0 [pid 18675] <... futex resumed>) = 1 [pid 18672] <... futex resumed>) = ? [pid 18671] <... futex resumed>) = ? [pid 18670] <... futex resumed>) = 0 [pid 18669] <... exit_group resumed>) = ? [pid 18668] <... exit_group resumed>) = ? [pid 18667] <... exit_group resumed>) = ? [pid 18666] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 18675] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18673] +++ exited with 0 +++ [pid 18672] +++ exited with 0 +++ [pid 18671] +++ exited with 0 +++ [pid 18670] exit_group(0 [pid 18669] +++ exited with 0 +++ [pid 18668] +++ exited with 0 +++ [pid 18666] futex(0x7fe89d2384dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18675] <... futex resumed>) = ? [pid 18670] <... exit_group resumed>) = ? [pid 18666] <... futex resumed>) = 0 [pid 18675] +++ exited with 0 +++ [pid 18670] +++ exited with 0 +++ [pid 18667] +++ exited with 0 +++ [pid 18666] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18669, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18668, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 18666] <... mmap resumed>) = 0x7fe89d11f000 [pid 18666] mprotect(0x7fe89d120000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 18666] clone(child_stack=0x7fe89d13f2f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[18676], tls=0x7fe89d13f700, child_tidptr=0x7fe89d13f9d0) = 18676 [pid 18666] futex(0x7fe89d2384d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3612] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18670, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3613] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18667, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18666] <... futex resumed>) = 0 [pid 3612] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 18666] futex(0x7fe89d2384dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3613] <... openat resumed>) = 3 [pid 3611] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 3613] ioctl(3, LOOP_CLR_FD [pid 3612] <... openat resumed>) = 3 [pid 3610] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 3613] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3612] ioctl(3, LOOP_CLR_FD [pid 3611] <... openat resumed>) = 3 [pid 3610] <... openat resumed>) = 3 [pid 3612] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3613] close(3 [pid 3611] ioctl(3, LOOP_CLR_FD [pid 3610] ioctl(3, LOOP_CLR_FD [pid 3612] close(3 [pid 3613] <... close resumed>) = 0 [pid 3611] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3612] <... close resumed>) = 0 [pid 3610] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3611] close(3./strace-static-x86_64: Process 18676 attached [pid 18676] set_robust_list(0x7fe89d13f9e0, 24) = 0 [pid 18676] write(4, NULL, 126976) = -1 EFAULT (Bad address) [pid 3610] close(3 [pid 3611] <... close resumed>) = 0 [pid 3612] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3610] <... close resumed>) = 0 [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3613] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18677 [pid 18676] futex(0x7fe89d2384dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18666] <... futex resumed>) = 0 [pid 18676] <... futex resumed>) = 1 [pid 18676] futex(0x7fe89d2384d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18677 attached [pid 18677] set_robust_list(0x55555697d6e0, 24) = 0 [pid 3612] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18678 [pid 3611] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18679 [pid 3610] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18680 [pid 18674] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18674] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 18677] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18666] exit_group(0 [pid 18674] ????( [pid 18677] <... prctl resumed>) = 0 [pid 18676] <... futex resumed>) = ? [pid 18666] <... exit_group resumed>) = ? [pid 18677] setpgid(0, 0 [pid 18676] +++ exited with 0 +++ [pid 18674] <... ???? resumed>) = ? [pid 18677] <... setpgid resumed>) = 0 [pid 18677] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 18680 attached ) = 3 [pid 18680] set_robust_list(0x55555697d6e0, 24 [pid 18677] write(3, "1000", 4./strace-static-x86_64: Process 18679 attached ./strace-static-x86_64: Process 18678 attached [pid 18680] <... set_robust_list resumed>) = 0 [pid 18677] <... write resumed>) = 4 [pid 18680] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18679] set_robust_list(0x55555697d6e0, 24 [pid 18677] close(3 [pid 18680] <... prctl resumed>) = 0 [pid 18679] <... set_robust_list resumed>) = 0 [pid 18678] set_robust_list(0x55555697d6e0, 24 [pid 18677] <... close resumed>) = 0 [pid 18674] +++ exited with 0 +++ [pid 18666] +++ exited with 0 +++ [pid 18680] setpgid(0, 0 [pid 18679] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18678] <... set_robust_list resumed>) = 0 [pid 18677] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18680] <... setpgid resumed>) = 0 [pid 18677] <... futex resumed>) = 0 [pid 3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18666, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18680] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18679] <... prctl resumed>) = 0 [pid 18678] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18677] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3609] restart_syscall(<... resuming interrupted clone ...> [pid 18680] <... openat resumed>) = 3 [pid 18677] <... mmap resumed>) = 0x7fe89d140000 [pid 3609] <... restart_syscall resumed>) = 0 [pid 18680] write(3, "1000", 4 [pid 18679] setpgid(0, 0 [pid 18678] <... prctl resumed>) = 0 [pid 18677] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18680] <... write resumed>) = 4 [pid 18679] <... setpgid resumed>) = 0 [pid 18678] setpgid(0, 0 [pid 18677] <... mprotect resumed>) = 0 [pid 18680] close(3 [pid 18677] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18680] <... close resumed>) = 0 [pid 18679] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18678] <... setpgid resumed>) = 0 [pid 3609] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 18680] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18677] <... clone resumed>, parent_tid=[18681], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18681 [pid 18680] <... futex resumed>) = 0 [pid 18678] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18677] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3609] <... openat resumed>) = 3 [pid 18680] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18677] <... futex resumed>) = 0 [pid 3609] ioctl(3, LOOP_CLR_FD [pid 18680] <... mmap resumed>) = 0x7fe89d140000 [pid 18679] <... openat resumed>) = 3 [pid 18678] <... openat resumed>) = 3 [pid 18677] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 3609] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18680] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18679] write(3, "1000", 4 [pid 18678] write(3, "1000", 4 [pid 3609] close(3 [pid 18680] <... mprotect resumed>) = 0 [pid 18680] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18679] <... write resumed>) = 4 [pid 18678] <... write resumed>) = 4 [pid 3609] <... close resumed>) = 0 [pid 18678] close(3 [pid 18679] close(3 [pid 3609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18680] <... clone resumed>, parent_tid=[18682], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18682 [pid 18678] <... close resumed>) = 0 ./strace-static-x86_64: Process 18681 attached [pid 18680] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18681] set_robust_list(0x7fe89d1609e0, 24 [pid 18680] <... futex resumed>) = 0 [pid 18681] <... set_robust_list resumed>) = 0 [pid 18680] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18678] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18681] mkdir("./file0", 0777 [pid 18679] <... close resumed>) = 0 [pid 3609] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18683 [pid 18681] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18679] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18678] <... futex resumed>) = 0 [pid 18681] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18679] <... futex resumed>) = 0 [pid 18678] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18681] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18679] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18678] <... mmap resumed>) = 0x7fe89d140000 ./strace-static-x86_64: Process 18682 attached [pid 18681] <... futex resumed>) = 1 [pid 18679] <... mmap resumed>) = 0x7fe89d140000 [pid 18678] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18677] <... futex resumed>) = 0 [pid 18682] set_robust_list(0x7fe89d1609e0, 24 [pid 18681] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18679] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18677] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18682] <... set_robust_list resumed>) = 0 [pid 18681] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18679] <... mprotect resumed>) = 0 [pid 18678] <... mprotect resumed>) = 0 [pid 18677] <... futex resumed>) = 0 [pid 18682] mkdir("./file0", 0777 [pid 18681] pipe2( [pid 18679] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18677] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18682] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18681] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18678] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 18683 attached [pid 18682] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18681] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18682] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18681] <... futex resumed>) = 1 [pid 18677] <... futex resumed>) = 0 [pid 18682] <... futex resumed>) = 1 [pid 18681] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18680] <... futex resumed>) = 0 [pid 18679] <... clone resumed>, parent_tid=[18684], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18684 [pid 18678] <... clone resumed>, parent_tid=[18685], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18685 [pid 18677] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18682] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18681] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18680] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18679] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18678] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18677] <... futex resumed>) = 0 ./strace-static-x86_64: Process 18684 attached [pid 18683] set_robust_list(0x55555697d6e0, 24 [pid 18682] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18681] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18680] <... futex resumed>) = 0 [pid 18679] <... futex resumed>) = 0 [pid 18678] <... futex resumed>) = 0 [pid 18677] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 18685 attached [pid 18684] set_robust_list(0x7fe89d1609e0, 24 [pid 18683] <... set_robust_list resumed>) = 0 [pid 18682] pipe2( [pid 18680] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18684] <... set_robust_list resumed>) = 0 [pid 18682] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18684] mkdir("./file0", 0777 [pid 18682] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18685] set_robust_list(0x7fe89d1609e0, 24 [pid 18684] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18682] <... futex resumed>) = 1 [pid 18680] <... futex resumed>) = 0 [pid 18679] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18678] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18685] <... set_robust_list resumed>) = 0 [pid 18684] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18683] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18682] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18680] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18685] mkdir("./file0", 0777 [pid 18684] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18683] <... prctl resumed>) = 0 [pid 18682] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18680] <... futex resumed>) = 0 [pid 18685] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18684] <... futex resumed>) = 1 [pid 18683] setpgid(0, 0 [pid 18682] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18681] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18680] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18679] <... futex resumed>) = 0 [pid 18685] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18684] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18683] <... setpgid resumed>) = 0 [pid 18681] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18679] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18685] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18684] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18683] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18682] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18681] <... futex resumed>) = 1 [pid 18679] <... futex resumed>) = 0 [pid 18677] <... futex resumed>) = 0 [pid 18685] <... futex resumed>) = 1 [pid 18684] pipe2( [pid 18683] <... openat resumed>) = 3 [pid 18682] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18681] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18679] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18678] <... futex resumed>) = 0 [pid 18677] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18685] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18684] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18683] write(3, "1000", 4 [pid 18682] <... futex resumed>) = 1 [pid 18681] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18680] <... futex resumed>) = 0 [pid 18678] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18677] <... futex resumed>) = 0 [pid 18685] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18684] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18683] <... write resumed>) = 4 [pid 18682] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18681] write(4, NULL, 126976 [pid 18680] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18678] <... futex resumed>) = 0 [pid 18677] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18685] pipe2( [pid 18684] <... futex resumed>) = 1 [pid 18683] close(3 [pid 18682] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18681] <... write resumed>) = -1 EFAULT (Bad address) [pid 18680] <... futex resumed>) = 0 [pid 18679] <... futex resumed>) = 0 [pid 18678] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18685] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18684] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18683] <... close resumed>) = 0 [pid 18682] write(4, NULL, 126976 [pid 18681] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18680] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18679] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18685] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18684] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18683] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18682] <... write resumed>) = -1 EFAULT (Bad address) [pid 18681] <... futex resumed>) = 1 [pid 18679] <... futex resumed>) = 0 [pid 18677] <... futex resumed>) = 0 [pid 18685] <... futex resumed>) = 1 [pid 18684] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18683] <... futex resumed>) = 0 [pid 18682] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18681] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18679] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18678] <... futex resumed>) = 0 [pid 18677] exit_group(0 [pid 18685] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18683] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18682] <... futex resumed>) = 1 [pid 18680] <... futex resumed>) = 0 [pid 18678] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18685] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18683] <... mmap resumed>) = 0x7fe89d140000 [pid 18682] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18681] <... futex resumed>) = ? [pid 18680] exit_group(0 [pid 18678] <... futex resumed>) = 0 [pid 18677] <... exit_group resumed>) = ? [pid 18685] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18683] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18682] <... futex resumed>) = ? [pid 18681] +++ exited with 0 +++ [pid 18680] <... exit_group resumed>) = ? [pid 18678] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18684] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18683] <... mprotect resumed>) = 0 [pid 18682] +++ exited with 0 +++ [pid 18680] +++ exited with 0 +++ [pid 18677] +++ exited with 0 +++ [pid 18684] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18683] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18680, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 18684] <... futex resumed>) = 1 [pid 18679] <... futex resumed>) = 0 [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18677, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18684] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18683] <... clone resumed>, parent_tid=[18686], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18686 [pid 18679] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3613] restart_syscall(<... resuming interrupted clone ...> [pid 18684] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18683] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18679] <... futex resumed>) = 0 [pid 3613] <... restart_syscall resumed>) = 0 [pid 18684] write(4, NULL, 126976 [pid 18683] <... futex resumed>) = 0 [pid 18679] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18684] <... write resumed>) = -1 EFAULT (Bad address) [pid 18683] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18684] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3613] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 18684] <... futex resumed>) = 1 [pid 18679] <... futex resumed>) = 0 [pid 3613] <... openat resumed>) = 3 ./strace-static-x86_64: Process 18686 attached [pid 18684] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18679] exit_group(0 [pid 3613] ioctl(3, LOOP_CLR_FD [pid 18686] set_robust_list(0x7fe89d1609e0, 24 [pid 18684] <... futex resumed>) = ? [pid 18679] <... exit_group resumed>) = ? [pid 3613] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18686] <... set_robust_list resumed>) = 0 [pid 18684] +++ exited with 0 +++ [pid 18679] +++ exited with 0 +++ [pid 3613] close(3 [pid 18686] mkdir("./file0", 0777 [pid 3613] <... close resumed>) = 0 [pid 18686] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18686] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18686] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3613] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18687 [pid 18686] <... futex resumed>) = 0 [pid 18686] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 18687 attached [pid 18687] set_robust_list(0x55555697d6e0, 24) = 0 [pid 18683] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18679, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 18683] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18686] <... futex resumed>) = 0 [pid 18683] <... futex resumed>) = 1 [pid 18686] pipe2( [pid 18683] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3610] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 18686] <... pipe2 resumed>[3, 4], 0) = 0 [pid 3611] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 18686] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3610] <... openat resumed>) = 3 [pid 18686] <... futex resumed>) = 1 [pid 3611] <... openat resumed>) = 3 [pid 3610] ioctl(3, LOOP_CLR_FD [pid 18683] <... futex resumed>) = 0 [pid 18687] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18686] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18683] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] ioctl(3, LOOP_CLR_FD [pid 3610] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18687] <... prctl resumed>) = 0 [pid 18686] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18683] <... futex resumed>) = 0 [pid 3611] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3610] close(3 [pid 18687] setpgid(0, 0 [pid 18686] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18683] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3611] close(3 [pid 3610] <... close resumed>) = 0 [pid 18687] <... setpgid resumed>) = 0 [pid 3611] <... close resumed>) = 0 [pid 18687] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18687] <... openat resumed>) = 3 [pid 18687] write(3, "1000", 4) = 4 [pid 18687] close(3) = 0 [pid 18687] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 18687] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe89d140000 [pid 18687] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3611] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18688 [pid 18687] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3610] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18689 [pid 18687] <... clone resumed>, parent_tid=[18690], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18690 [pid 18687] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 18688 attached ) = 0 [pid 18688] set_robust_list(0x55555697d6e0, 24 [pid 18687] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18688] <... set_robust_list resumed>) = 0 [pid 18688] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 18688] setpgid(0, 0) = 0 ./strace-static-x86_64: Process 18689 attached [pid 18688] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18685] <... mount resumed>) = -1 EFAULT (Bad address) ./strace-static-x86_64: Process 18690 attached [pid 18688] <... openat resumed>) = 3 [pid 18690] set_robust_list(0x7fe89d1609e0, 24 [pid 18688] write(3, "1000", 4 [pid 18690] <... set_robust_list resumed>) = 0 [pid 18688] <... write resumed>) = 4 [pid 18690] mkdir("./file0", 0777 [pid 18689] set_robust_list(0x55555697d6e0, 24 [pid 18688] close(3 [pid 18686] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18685] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18690] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18688] <... close resumed>) = 0 [pid 18686] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18690] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18688] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18686] <... futex resumed>) = 1 [pid 18690] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18688] <... futex resumed>) = 0 [pid 18686] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18690] <... futex resumed>) = 1 [pid 18688] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18687] <... futex resumed>) = 0 [pid 18690] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18688] <... mmap resumed>) = 0x7fe89d140000 [pid 18687] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18690] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18688] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18687] <... futex resumed>) = 0 [pid 18690] pipe2( [pid 18688] <... mprotect resumed>) = 0 [pid 18687] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18690] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18688] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18690] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18689] <... set_robust_list resumed>) = 0 [pid 18685] <... futex resumed>) = 1 [pid 18683] <... futex resumed>) = 0 [pid 18678] <... futex resumed>) = 0 [pid 18690] <... futex resumed>) = 1 [pid 18689] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18688] <... clone resumed>, parent_tid=[18691], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18691 [pid 18687] <... futex resumed>) = 0 [pid 18683] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18678] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18685] write(4, NULL, 126976 [pid 18690] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18689] <... prctl resumed>) = 0 [pid 18688] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18687] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18686] <... futex resumed>) = 0 [pid 18685] <... write resumed>) = -1 EFAULT (Bad address) [pid 18683] <... futex resumed>) = 1 [pid 18678] <... futex resumed>) = 0 [pid 18690] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18689] setpgid(0, 0 [pid 18688] <... futex resumed>) = 0 [pid 18687] <... futex resumed>) = 0 [pid 18686] write(4, NULL, 126976 [pid 18685] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18683] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18678] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18690] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18689] <... setpgid resumed>) = 0 [pid 18688] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18687] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18686] <... write resumed>) = -1 EFAULT (Bad address) [pid 18685] <... futex resumed>) = 0 [pid 18678] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ./strace-static-x86_64: Process 18691 attached [pid 18689] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18686] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18685] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18678] exit_group(0 [pid 18690] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18686] <... futex resumed>) = 1 [pid 18683] <... futex resumed>) = 0 [pid 18690] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18689] <... openat resumed>) = 3 [pid 18686] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18685] <... futex resumed>) = ? [pid 18683] exit_group(0 [pid 18678] <... exit_group resumed>) = ? [pid 18691] set_robust_list(0x7fe89d1609e0, 24 [pid 18690] <... futex resumed>) = 1 [pid 18689] write(3, "1000", 4 [pid 18687] <... futex resumed>) = 0 [pid 18686] <... futex resumed>) = ? [pid 18685] +++ exited with 0 +++ [pid 18683] <... exit_group resumed>) = ? [pid 18691] <... set_robust_list resumed>) = 0 [pid 18690] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18689] <... write resumed>) = 4 [pid 18687] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18686] +++ exited with 0 +++ [pid 18683] +++ exited with 0 +++ [pid 18678] +++ exited with 0 +++ [pid 18690] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18689] close(3 [pid 18687] <... futex resumed>) = 0 [pid 3612] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18678, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18690] write(4, NULL, 126976 [pid 18689] <... close resumed>) = 0 [pid 18687] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18683, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18690] <... write resumed>) = -1 EFAULT (Bad address) [pid 18689] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3609] restart_syscall(<... resuming interrupted clone ...> [pid 18690] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18689] <... futex resumed>) = 0 [pid 3612] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 18690] <... futex resumed>) = 1 [pid 18689] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18687] <... futex resumed>) = 0 [pid 3612] <... openat resumed>) = 3 [pid 3609] <... restart_syscall resumed>) = 0 [pid 18690] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18689] <... mmap resumed>) = 0x7fe89d140000 [pid 18687] exit_group(0 [pid 3612] ioctl(3, LOOP_CLR_FD [pid 18691] mkdir("./file0", 0777 [pid 18690] <... futex resumed>) = ? [pid 18689] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18687] <... exit_group resumed>) = ? [pid 3612] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18691] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18690] +++ exited with 0 +++ [pid 18689] <... mprotect resumed>) = 0 [pid 18687] +++ exited with 0 +++ [pid 3612] close(3 [pid 18689] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18687, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3612] <... close resumed>) = 0 [pid 3612] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3609] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 18691] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18689] <... clone resumed>, parent_tid=[18692], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18692 [pid 18691] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18689] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3612] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18693 [pid 3609] <... openat resumed>) = 3 [pid 18689] <... futex resumed>) = 0 [pid 18689] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18691] <... futex resumed>) = 1 [pid 18688] <... futex resumed>) = 0 [pid 3613] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 3609] ioctl(3, LOOP_CLR_FD [pid 18691] pipe2( [pid 18688] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3613] <... openat resumed>) = 3 [pid 18691] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18688] <... futex resumed>) = 0 [pid 3613] ioctl(3, LOOP_CLR_FD [pid 3609] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18691] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18688] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3613] <... ioctl resumed>) = -1 ENXIO (No such device or address) ./strace-static-x86_64: Process 18692 attached [pid 18691] <... futex resumed>) = 0 [pid 18688] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3613] close(3 [pid 3609] close(3 [pid 18692] set_robust_list(0x7fe89d1609e0, 24 [pid 18691] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18688] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3613] <... close resumed>) = 0 [pid 18692] <... set_robust_list resumed>) = 0 [pid 18688] <... futex resumed>) = 0 [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18692] mkdir("./file0", 0777 [pid 18688] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18692] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3613] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18694 [pid 18692] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18692] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 18689] <... futex resumed>) = 0 [pid 18692] pipe2( [pid 18689] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18692] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18689] <... futex resumed>) = 0 [pid 18692] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18689] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18692] <... futex resumed>) = 0 [pid 18689] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18692] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18691] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18689] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3609] <... close resumed>) = 0 [pid 18692] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18691] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18689] <... futex resumed>) = 0 [pid 3609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18692] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18689] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 18695 attached ./strace-static-x86_64: Process 18693 attached [pid 3609] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18695 [pid 18693] set_robust_list(0x55555697d6e0, 24./strace-static-x86_64: Process 18694 attached ) = 0 [pid 18695] set_robust_list(0x55555697d6e0, 24 [pid 18694] set_robust_list(0x55555697d6e0, 24 [pid 18693] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18692] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18694] <... set_robust_list resumed>) = 0 [pid 18693] <... prctl resumed>) = 0 [pid 18692] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18694] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18692] <... futex resumed>) = 1 [pid 18689] <... futex resumed>) = 0 [pid 18694] <... prctl resumed>) = 0 [pid 18692] write(4, NULL, 126976 [pid 18689] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18694] setpgid(0, 0 [pid 18692] <... write resumed>) = -1 EFAULT (Bad address) [pid 18689] <... futex resumed>) = 0 [pid 18694] <... setpgid resumed>) = 0 [pid 18692] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18689] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18694] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18693] setpgid(0, 0 [pid 18692] <... futex resumed>) = 0 [pid 18689] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18694] <... openat resumed>) = 3 [pid 18692] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18689] exit_group(0 [pid 18693] <... setpgid resumed>) = 0 [pid 18694] write(3, "1000", 4 [pid 18692] <... futex resumed>) = ? [pid 18689] <... exit_group resumed>) = ? [pid 18695] <... set_robust_list resumed>) = 0 [pid 18694] <... write resumed>) = 4 [pid 18693] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18692] +++ exited with 0 +++ [pid 18691] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18689] +++ exited with 0 +++ [pid 18695] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18694] close(3) = 0 [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18689, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18694] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3610] restart_syscall(<... resuming interrupted clone ...> [pid 18695] <... prctl resumed>) = 0 [pid 18694] <... futex resumed>) = 0 [pid 18693] <... openat resumed>) = 3 [pid 18691] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3610] <... restart_syscall resumed>) = 0 [pid 18694] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18695] setpgid(0, 0 [pid 18694] <... mmap resumed>) = 0x7fe89d140000 [pid 18693] write(3, "1000", 4 [pid 18691] <... futex resumed>) = 1 [pid 18688] <... futex resumed>) = 0 [pid 18695] <... setpgid resumed>) = 0 [pid 18694] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18693] <... write resumed>) = 4 [pid 18691] write(4, NULL, 126976 [pid 18688] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3610] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 18695] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18694] <... mprotect resumed>) = 0 [pid 18693] close(3 [pid 18691] <... write resumed>) = -1 EFAULT (Bad address) [pid 18695] <... openat resumed>) = 3 [pid 18694] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18693] <... close resumed>) = 0 [pid 18691] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18688] <... futex resumed>) = 0 [pid 3610] <... openat resumed>) = 3 [pid 18695] write(3, "1000", 4 [pid 18693] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18691] <... futex resumed>) = 0 [pid 18688] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3610] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 18696 attached [pid 18695] <... write resumed>) = 4 [pid 18694] <... clone resumed>, parent_tid=[18696], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18696 [pid 18693] <... futex resumed>) = 0 [pid 18691] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18688] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3610] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18696] set_robust_list(0x7fe89d1609e0, 24 [pid 18695] close(3 [pid 18694] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18688] exit_group(0 [pid 3610] close(3 [pid 18696] <... set_robust_list resumed>) = 0 [pid 18694] <... futex resumed>) = 0 [pid 18688] <... exit_group resumed>) = ? [pid 3610] <... close resumed>) = 0 [pid 18696] mkdir("./file0", 0777 [pid 18694] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18696] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18695] <... close resumed>) = 0 [pid 18693] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18691] <... futex resumed>) = ? [pid 18696] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18695] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18693] <... mmap resumed>) = 0x7fe89d140000 [pid 3610] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18697 [pid 18696] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 18694] <... futex resumed>) = 0 [pid 18696] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18695] <... futex resumed>) = 0 [pid 18694] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18693] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18691] +++ exited with 0 +++ [pid 18688] +++ exited with 0 +++ [pid 18696] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18695] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18694] <... futex resumed>) = 0 [pid 18693] <... mprotect resumed>) = 0 [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18688, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18696] pipe2( [pid 18695] <... mmap resumed>) = 0x7fe89d140000 [pid 18694] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18693] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3611] restart_syscall(<... resuming interrupted clone ...> [pid 18696] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18695] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 3611] <... restart_syscall resumed>) = 0 [pid 18696] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18695] <... mprotect resumed>) = 0 [pid 18696] <... futex resumed>) = 1 [pid 18695] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18694] <... futex resumed>) = 0 [pid 18693] <... clone resumed>, parent_tid=[18698], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18698 [pid 18696] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18694] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18693] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18696] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18695] <... clone resumed>, parent_tid=[18699], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18699 [pid 18694] <... futex resumed>) = 0 [pid 18693] <... futex resumed>) = 0 [pid 3611] openat(AT_FDCWD, "/dev/loop2", O_RDWR./strace-static-x86_64: Process 18699 attached ./strace-static-x86_64: Process 18698 attached ./strace-static-x86_64: Process 18697 attached [pid 18696] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18695] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18694] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18693] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 3611] <... openat resumed>) = 3 [pid 18699] set_robust_list(0x7fe89d1609e0, 24 [pid 18698] set_robust_list(0x7fe89d1609e0, 24 [pid 18697] set_robust_list(0x55555697d6e0, 24 [pid 18695] <... futex resumed>) = 0 [pid 3611] ioctl(3, LOOP_CLR_FD [pid 18697] <... set_robust_list resumed>) = 0 [pid 18695] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 3611] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18697] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3611] close(3 [pid 18697] <... prctl resumed>) = 0 [pid 3611] <... close resumed>) = 0 [pid 18697] setpgid(0, 0 [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18697] <... setpgid resumed>) = 0 [pid 18697] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3611] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18700 [pid 18697] <... openat resumed>) = 3 [pid 18697] write(3, "1000", 4) = 4 [pid 18697] close(3) = 0 [pid 18697] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 18697] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe89d140000 ./strace-static-x86_64: Process 18700 attached [pid 18697] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18700] set_robust_list(0x55555697d6e0, 24 [pid 18697] <... mprotect resumed>) = 0 [pid 18700] <... set_robust_list resumed>) = 0 [pid 18697] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18700] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 18697] <... clone resumed>, parent_tid=[18701], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18701 [pid 18700] setpgid(0, 0 [pid 18697] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18700] <... setpgid resumed>) = 0 [pid 18697] <... futex resumed>) = 0 [pid 18700] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18697] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18700] <... openat resumed>) = 3 [pid 18700] write(3, "1000", 4) = 4 [pid 18700] close(3) = 0 [pid 18700] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 18700] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe89d140000 [pid 18700] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 18700] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[18702], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18702 [pid 18700] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 18699] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 18701 attached [pid 18700] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18699] mkdir("./file0", 0777 [pid 18701] set_robust_list(0x7fe89d1609e0, 24./strace-static-x86_64: Process 18702 attached [pid 18699] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18698] <... set_robust_list resumed>) = 0 [pid 18701] <... set_robust_list resumed>) = 0 [pid 18701] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 18699] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18698] mkdir("./file0", 0777 [pid 18702] set_robust_list(0x7fe89d1609e0, 24 [pid 18701] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18699] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18698] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18696] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18702] <... set_robust_list resumed>) = 0 [pid 18701] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18699] <... futex resumed>) = 1 [pid 18698] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18696] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18695] <... futex resumed>) = 0 [pid 18701] <... futex resumed>) = 1 [pid 18699] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18698] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18697] <... futex resumed>) = 0 [pid 18696] <... futex resumed>) = 1 [pid 18695] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18694] <... futex resumed>) = 0 [pid 18701] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18699] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18698] <... futex resumed>) = 1 [pid 18697] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18696] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18695] <... futex resumed>) = 0 [pid 18694] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18693] <... futex resumed>) = 0 [pid 18701] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18699] pipe2( [pid 18698] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18697] <... futex resumed>) = 0 [pid 18696] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18695] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18694] <... futex resumed>) = 0 [pid 18693] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18702] mkdir("./file0", 0777 [pid 18701] pipe2( [pid 18699] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18698] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18697] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18696] write(4, NULL, 126976 [pid 18694] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18693] <... futex resumed>) = 0 [pid 18702] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18701] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18699] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18698] pipe2( [pid 18696] <... write resumed>) = -1 EFAULT (Bad address) [pid 18693] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18702] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18701] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18699] <... futex resumed>) = 1 [pid 18698] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18696] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18695] <... futex resumed>) = 0 [pid 18702] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18701] <... futex resumed>) = 1 [pid 18699] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18698] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18697] <... futex resumed>) = 0 [pid 18696] <... futex resumed>) = 1 [pid 18695] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18694] <... futex resumed>) = 0 [pid 18702] <... futex resumed>) = 1 [pid 18701] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18700] <... futex resumed>) = 0 [pid 18699] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18698] <... futex resumed>) = 1 [pid 18697] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18696] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18695] <... futex resumed>) = 0 [pid 18694] exit_group(0 [pid 18693] <... futex resumed>) = 0 [pid 18702] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18701] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18700] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18699] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18698] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18697] <... futex resumed>) = 0 [pid 18696] <... futex resumed>) = ? [pid 18695] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18694] <... exit_group resumed>) = ? [pid 18693] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18702] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18701] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18700] <... futex resumed>) = 0 [pid 18698] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18697] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18696] +++ exited with 0 +++ [pid 18693] <... futex resumed>) = 0 [pid 18702] pipe2( [pid 18700] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18698] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18694] +++ exited with 0 +++ [pid 18693] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18702] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18702] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18694, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 18702] <... futex resumed>) = 1 [pid 18700] <... futex resumed>) = 0 [pid 3613] restart_syscall(<... resuming interrupted clone ...> [pid 18702] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18700] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3613] <... restart_syscall resumed>) = 0 [pid 18702] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18700] <... futex resumed>) = 0 [pid 18700] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18702] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 3613] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 3613] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 3613] close(3) = 0 [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18703 attached [pid 18703] set_robust_list(0x55555697d6e0, 24 [pid 3613] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18703 [pid 18703] <... set_robust_list resumed>) = 0 [pid 18703] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 18703] setpgid(0, 0) = 0 [pid 18703] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 18703] write(3, "1000", 4) = 4 [pid 18703] close(3 [pid 18701] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18701] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18699] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18701] <... futex resumed>) = 1 [pid 18697] <... futex resumed>) = 0 [pid 18701] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18697] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18701] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18697] <... futex resumed>) = 0 [pid 18701] write(4, NULL, 126976 [pid 18697] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18701] <... write resumed>) = -1 EFAULT (Bad address) [pid 18701] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18699] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18701] <... futex resumed>) = 1 [pid 18699] <... futex resumed>) = 1 [pid 18697] <... futex resumed>) = 0 [pid 18695] <... futex resumed>) = 0 [pid 18701] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18699] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18697] exit_group(0 [pid 18695] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18701] <... futex resumed>) = ? [pid 18699] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18697] <... exit_group resumed>) = ? [pid 18695] <... futex resumed>) = 0 [pid 18701] +++ exited with 0 +++ [pid 18699] write(4, NULL, 126976 [pid 18697] +++ exited with 0 +++ [pid 18695] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18703] <... close resumed>) = 0 [pid 18699] <... write resumed>) = -1 EFAULT (Bad address) [pid 18703] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18699] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18703] <... futex resumed>) = 0 [pid 18699] <... futex resumed>) = 1 [pid 18698] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18695] <... futex resumed>) = 0 [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18697, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 18703] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18699] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18698] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18695] exit_group(0 [pid 3610] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 18703] <... mmap resumed>) = 0x7fe89d140000 [pid 18702] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18699] <... futex resumed>) = ? [pid 18698] <... futex resumed>) = 1 [pid 18695] <... exit_group resumed>) = ? [pid 18693] <... futex resumed>) = 0 [pid 18703] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18702] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18699] +++ exited with 0 +++ [pid 18698] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18695] +++ exited with 0 +++ [pid 18693] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3610] <... openat resumed>) = 3 [pid 18703] <... mprotect resumed>) = 0 [pid 18702] <... futex resumed>) = 1 [pid 18700] <... futex resumed>) = 0 [pid 18698] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18693] <... futex resumed>) = 0 [pid 3610] ioctl(3, LOOP_CLR_FD [pid 18703] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18702] write(4, NULL, 126976 [pid 18700] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18698] write(4, NULL, 126976 [pid 18693] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3610] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18702] <... write resumed>) = -1 EFAULT (Bad address) [pid 18700] <... futex resumed>) = 0 [pid 18698] <... write resumed>) = -1 EFAULT (Bad address) [pid 3610] close(3 [pid 3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18695, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18703] <... clone resumed>, parent_tid=[18704], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18704 [pid 18702] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18700] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18698] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18703] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18702] <... futex resumed>) = 0 [pid 18700] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18698] <... futex resumed>) = 1 [pid 18693] <... futex resumed>) = 0 [pid 3610] <... close resumed>) = 0 [pid 3609] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 18703] <... futex resumed>) = 0 [pid 18702] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18700] exit_group(0 [pid 18698] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18693] exit_group(0 [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18704 attached [pid 18703] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18702] <... futex resumed>) = ? [pid 18700] <... exit_group resumed>) = ? [pid 18698] <... futex resumed>) = ? [pid 18693] <... exit_group resumed>) = ? [pid 3609] <... openat resumed>) = 3 [pid 18704] set_robust_list(0x7fe89d1609e0, 24) = 0 [pid 18704] mkdir("./file0", 0777 [pid 18702] +++ exited with 0 +++ [pid 18700] +++ exited with 0 +++ [pid 18704] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18700, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18704] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18698] +++ exited with 0 +++ [pid 18693] +++ exited with 0 +++ [pid 3610] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18705 [pid 3609] ioctl(3, LOOP_CLR_FD [pid 18704] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3612] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18693, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18704] <... futex resumed>) = 1 [pid 18704] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3611] openat(AT_FDCWD, "/dev/loop2", 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 [pid 18703] <... futex resumed>) = 0 [pid 3609] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18703] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18706 [pid 3609] close(3./strace-static-x86_64: Process 18706 attached ./strace-static-x86_64: Process 18705 attached [pid 18704] <... futex resumed>) = 0 [pid 18703] <... futex resumed>) = 1 [pid 3609] <... close resumed>) = 0 [pid 18704] pipe2( [pid 18703] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18705] set_robust_list(0x55555697d6e0, 24 [pid 18704] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18704] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 18703] <... futex resumed>) = 0 [pid 3612] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 18705] <... set_robust_list resumed>) = 0 [pid 18704] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18703] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3612] <... openat resumed>) = 3 [pid 3609] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18707 [pid 18705] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18704] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18703] <... futex resumed>) = 0 [pid 3612] ioctl(3, LOOP_CLR_FD [pid 18705] <... prctl resumed>) = 0 [pid 18704] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18703] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18706] set_robust_list(0x55555697d6e0, 24 [pid 3612] <... ioctl resumed>) = -1 ENXIO (No such device or address) ./strace-static-x86_64: Process 18707 attached [pid 18706] <... set_robust_list resumed>) = 0 [pid 18705] setpgid(0, 0 [pid 3612] close(3 [pid 18707] set_robust_list(0x55555697d6e0, 24 [pid 18706] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18705] <... setpgid resumed>) = 0 [pid 3612] <... close resumed>) = 0 [pid 18707] <... set_robust_list resumed>) = 0 [pid 18706] <... prctl resumed>) = 0 [pid 18705] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3612] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18707] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18706] setpgid(0, 0 [pid 18705] <... openat resumed>) = 3 [pid 18707] <... prctl resumed>) = 0 [pid 18706] <... setpgid resumed>) = 0 [pid 18705] write(3, "1000", 4 [pid 3612] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18708 [pid 18707] setpgid(0, 0 [pid 18706] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18705] <... write resumed>) = 4 [pid 18707] <... setpgid resumed>) = 0 [pid 18706] <... openat resumed>) = 3 [pid 18705] close(3 [pid 18704] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18707] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18706] write(3, "1000", 4 [pid 18705] <... close resumed>) = 0 [pid 18707] <... openat resumed>) = 3 [pid 18706] <... write resumed>) = 4 [pid 18705] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18704] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18707] write(3, "1000", 4 [pid 18706] close(3 [pid 18705] <... futex resumed>) = 0 [pid 18707] <... write resumed>) = 4 [pid 18706] <... close resumed>) = 0 [pid 18705] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18704] <... futex resumed>) = 1 [pid 18703] <... futex resumed>) = 0 [pid 18707] close(3 [pid 18706] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18705] <... mmap resumed>) = 0x7fe89d140000 [pid 18704] write(4, NULL, 126976 [pid 18703] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18707] <... close resumed>) = 0 [pid 18706] <... futex resumed>) = 0 [pid 18705] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18703] <... futex resumed>) = 0 [pid 18707] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18706] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18705] <... mprotect resumed>) = 0 [pid 18703] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18707] <... futex resumed>) = 0 [pid 18706] <... mmap resumed>) = 0x7fe89d140000 [pid 18705] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18707] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18706] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18707] <... mmap resumed>) = 0x7fe89d140000 [pid 18706] <... mprotect resumed>) = 0 [pid 18705] <... clone resumed>, parent_tid=[18709], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18709 [pid 18707] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18706] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18705] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18707] <... mprotect resumed>) = 0 [pid 18705] <... futex resumed>) = 0 [pid 18707] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18706] <... clone resumed>, parent_tid=[18710], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18710 [pid 18705] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18706] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18704] <... write resumed>) = -1 EFAULT (Bad address) [pid 18707] <... clone resumed>, parent_tid=[18711], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18711 [pid 18706] <... futex resumed>) = 0 [pid 18707] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18706] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18704] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18707] <... futex resumed>) = 0 [pid 18704] <... futex resumed>) = 1 [pid 18703] <... futex resumed>) = 0 [pid 18707] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18704] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18703] exit_group(0./strace-static-x86_64: Process 18709 attached [pid 18704] <... futex resumed>) = ? [pid 18703] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 18711 attached ./strace-static-x86_64: Process 18710 attached ./strace-static-x86_64: Process 18708 attached [pid 18704] +++ exited with 0 +++ [pid 18703] +++ exited with 0 +++ [pid 18711] set_robust_list(0x7fe89d1609e0, 24 [pid 18710] set_robust_list(0x7fe89d1609e0, 24 [pid 18709] set_robust_list(0x7fe89d1609e0, 24 [pid 18708] set_robust_list(0x55555697d6e0, 24 [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18703, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18710] <... set_robust_list resumed>) = 0 [pid 18708] <... set_robust_list resumed>) = 0 [pid 18710] mkdir("./file0", 0777 [pid 18708] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18711] <... set_robust_list resumed>) = 0 [pid 18709] <... set_robust_list resumed>) = 0 [pid 18710] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18708] <... prctl resumed>) = 0 [pid 3613] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 18711] mkdir("./file0", 0777 [pid 18710] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18709] mkdir("./file0", 0777 [pid 18708] setpgid(0, 0 [pid 3613] <... openat resumed>) = 3 [pid 18711] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18710] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18708] <... setpgid resumed>) = 0 [pid 3613] ioctl(3, LOOP_CLR_FD [pid 18709] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18711] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18710] <... futex resumed>) = 1 [pid 18706] <... futex resumed>) = 0 [pid 3613] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18711] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18710] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18709] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18708] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18706] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3613] close(3 [pid 18711] <... futex resumed>) = 1 [pid 18710] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18709] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18707] <... futex resumed>) = 0 [pid 18706] <... futex resumed>) = 0 [pid 3613] <... close resumed>) = 0 [pid 18711] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18709] <... futex resumed>) = 1 [pid 18707] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18706] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18705] <... futex resumed>) = 0 [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18711] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18709] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18707] <... futex resumed>) = 0 [pid 18705] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18711] pipe2( [pid 18709] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18707] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18705] <... futex resumed>) = 0 [pid 3613] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18712 [pid 18711] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18710] pipe2( [pid 18709] pipe2( [pid 18705] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18711] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18710] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18709] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18708] <... openat resumed>) = 3 [pid 18711] <... futex resumed>) = 1 [pid 18710] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18709] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18708] write(3, "1000", 4 [pid 18707] <... futex resumed>) = 0 [pid 18711] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18710] <... futex resumed>) = 1 [pid 18709] <... futex resumed>) = 1 [pid 18708] <... write resumed>) = 4 [pid 18707] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18706] <... futex resumed>) = 0 [pid 18705] <... futex resumed>) = 0 [pid 18711] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18710] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18709] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18708] close(3 [pid 18707] <... futex resumed>) = 0 [pid 18706] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18705] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 18712 attached [pid 18711] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18710] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18709] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18708] <... close resumed>) = 0 [pid 18707] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18706] <... futex resumed>) = 0 [pid 18705] <... futex resumed>) = 0 [pid 18712] set_robust_list(0x55555697d6e0, 24 [pid 18710] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18709] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18708] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18706] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18705] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18712] <... set_robust_list resumed>) = 0 [pid 18708] <... futex resumed>) = 0 [pid 18712] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18708] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18712] <... prctl resumed>) = 0 [pid 18712] setpgid(0, 0 [pid 18708] <... mmap resumed>) = 0x7fe89d140000 [pid 18711] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18708] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 18711] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18708] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18712] <... setpgid resumed>) = 0 [pid 18711] <... futex resumed>) = 1 [pid 18707] <... futex resumed>) = 0 [pid 18712] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18711] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18710] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18708] <... clone resumed>, parent_tid=[18713], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18713 [pid 18707] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18712] <... openat resumed>) = 3 [pid 18711] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18710] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18709] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18708] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18707] <... futex resumed>) = 0 [pid 18712] write(3, "1000", 4 [pid 18711] write(4, NULL, 126976 [pid 18710] <... futex resumed>) = 1 [pid 18709] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18708] <... futex resumed>) = 0 [pid 18707] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18706] <... futex resumed>) = 0 ./strace-static-x86_64: Process 18713 attached [pid 18712] <... write resumed>) = 4 [pid 18711] <... write resumed>) = -1 EFAULT (Bad address) [pid 18710] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18709] <... futex resumed>) = 1 [pid 18708] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18706] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18705] <... futex resumed>) = 0 [pid 18713] set_robust_list(0x7fe89d1609e0, 24 [pid 18712] close(3 [pid 18711] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18710] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18709] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18706] <... futex resumed>) = 0 [pid 18705] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18713] <... set_robust_list resumed>) = 0 [pid 18712] <... close resumed>) = 0 [pid 18711] <... futex resumed>) = 1 [pid 18710] write(4, NULL, 126976 [pid 18709] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18707] <... futex resumed>) = 0 [pid 18706] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18705] <... futex resumed>) = 0 [pid 18713] mkdir("./file0", 0777 [pid 18712] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18711] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18710] <... write resumed>) = -1 EFAULT (Bad address) [pid 18709] write(4, NULL, 126976 [pid 18707] exit_group(0 [pid 18705] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18713] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18712] <... futex resumed>) = 0 [pid 18711] <... futex resumed>) = ? [pid 18710] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18709] <... write resumed>) = -1 EFAULT (Bad address) [pid 18707] <... exit_group resumed>) = ? [pid 18713] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18712] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18711] +++ exited with 0 +++ [pid 18710] <... futex resumed>) = 1 [pid 18706] <... futex resumed>) = 0 [pid 18713] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18712] <... mmap resumed>) = 0x7fe89d140000 [pid 18710] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18709] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18707] +++ exited with 0 +++ [pid 18706] exit_group(0 [pid 18713] <... futex resumed>) = 1 [pid 18712] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18710] <... futex resumed>) = ? [pid 18709] <... futex resumed>) = 1 [pid 18708] <... futex resumed>) = 0 [pid 18706] <... exit_group resumed>) = ? [pid 18705] <... futex resumed>) = 0 [pid 3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18707, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18713] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18712] <... mprotect resumed>) = 0 [pid 18710] +++ exited with 0 +++ [pid 18709] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18708] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18706] +++ exited with 0 +++ [pid 18705] exit_group(0 [pid 18713] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18712] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18709] <... futex resumed>) = ? [pid 18708] <... futex resumed>) = 0 [pid 18705] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 18714 attached [pid 18713] pipe2( [pid 18709] +++ exited with 0 +++ [pid 18708] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18714] set_robust_list(0x7fe89d1609e0, 24 [pid 18713] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18712] <... clone resumed>, parent_tid=[18714], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18714 [pid 18705] +++ exited with 0 +++ [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18706, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18713] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18712] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18705, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18713] <... futex resumed>) = 1 [pid 18712] <... futex resumed>) = 0 [pid 18708] <... futex resumed>) = 0 [pid 18713] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18712] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18708] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] <... openat resumed>) = 3 [pid 3609] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 18713] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18708] <... futex resumed>) = 0 [pid 3611] ioctl(3, LOOP_CLR_FD [pid 3610] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 18713] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18708] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18714] <... set_robust_list resumed>) = 0 [pid 3611] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3610] <... openat resumed>) = 3 [pid 3609] <... openat resumed>) = 3 [pid 18714] mkdir("./file0", 0777 [pid 3611] close(3 [pid 3610] ioctl(3, LOOP_CLR_FD [pid 3609] ioctl(3, LOOP_CLR_FD [pid 18714] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3611] <... close resumed>) = 0 [pid 3609] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18714] --- 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 [pid 3610] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3609] close(3 [pid 18714] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3610] close(3 [pid 3609] <... close resumed>) = 0 [pid 18714] <... futex resumed>) = 1 [pid 18712] <... futex resumed>) = 0 [pid 3611] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18715 [pid 3610] <... close resumed>) = 0 [pid 3609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18714] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18712] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18714] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18712] <... futex resumed>) = 0 [pid 3609] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18716 [pid 18714] pipe2( [pid 18712] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18714] <... pipe2 resumed>[3, 4], 0) = 0 [pid 3610] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18717 [pid 18714] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 18712] <... futex resumed>) = 0 [pid 18714] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 18716 attached [pid 18716] set_robust_list(0x55555697d6e0, 24) = 0 [pid 18716] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 18716] setpgid(0, 0) = 0 [pid 18716] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 18716] write(3, "1000", 4) = 4 [pid 18716] close(3) = 0 [pid 18712] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18716] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18714] <... futex resumed>) = 0 [pid 18712] <... futex resumed>) = 1 ./strace-static-x86_64: Process 18717 attached ./strace-static-x86_64: Process 18715 attached [pid 18716] <... futex resumed>) = 0 [pid 18714] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18712] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18717] set_robust_list(0x55555697d6e0, 24 [pid 18716] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18715] set_robust_list(0x55555697d6e0, 24 [pid 18717] <... set_robust_list resumed>) = 0 [pid 18716] <... mmap resumed>) = 0x7fe89d140000 [pid 18715] <... set_robust_list resumed>) = 0 [pid 18717] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18716] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18715] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18713] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18717] <... prctl resumed>) = 0 [pid 18715] <... prctl resumed>) = 0 [pid 18713] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18717] setpgid(0, 0 [pid 18715] setpgid(0, 0 [pid 18713] <... futex resumed>) = 1 [pid 18708] <... futex resumed>) = 0 [pid 18717] <... setpgid resumed>) = 0 [pid 18715] <... setpgid resumed>) = 0 [pid 18713] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18708] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18717] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18715] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18713] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18708] <... futex resumed>) = 0 [pid 18717] <... openat resumed>) = 3 [pid 18716] <... mprotect resumed>) = 0 [pid 18715] <... openat resumed>) = 3 [pid 18713] write(4, NULL, 126976 [pid 18708] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18717] write(3, "1000", 4 [pid 18716] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18715] write(3, "1000", 4 [pid 18713] <... write resumed>) = -1 EFAULT (Bad address) [pid 18717] <... write resumed>) = 4 [pid 18715] <... write resumed>) = 4 [pid 18713] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18717] close(3 [pid 18715] close(3 [pid 18714] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18713] <... futex resumed>) = 1 [pid 18708] <... futex resumed>) = 0 [pid 18717] <... close resumed>) = 0 [pid 18715] <... close resumed>) = 0 [pid 18713] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18708] exit_group(0 [pid 18717] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18716] <... clone resumed>, parent_tid=[18718], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18718 [pid 18715] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18714] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18717] <... futex resumed>) = 0 [pid 18716] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18715] <... futex resumed>) = 0 [pid 18714] <... futex resumed>) = 1 [pid 18713] <... futex resumed>) = ? [pid 18712] <... futex resumed>) = 0 [pid 18708] <... exit_group resumed>) = ? [pid 18717] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18715] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18713] +++ exited with 0 +++ [pid 18712] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 18718 attached [pid 18717] <... mmap resumed>) = 0x7fe89d140000 [pid 18715] <... mmap resumed>) = 0x7fe89d140000 [pid 18718] set_robust_list(0x7fe89d1609e0, 24 [pid 18717] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18716] <... futex resumed>) = 0 [pid 18715] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18714] write(4, NULL, 126976 [pid 18712] <... futex resumed>) = 0 [pid 18708] +++ exited with 0 +++ [pid 18718] <... set_robust_list resumed>) = 0 [pid 18717] <... mprotect resumed>) = 0 [pid 18716] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18715] <... mprotect resumed>) = 0 [pid 18714] <... write resumed>) = -1 EFAULT (Bad address) [pid 18712] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3612] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18708, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18718] mkdir("./file0", 0777 [pid 18717] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18715] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18714] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3612] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 18720 attached ./strace-static-x86_64: Process 18719 attached [pid 18718] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18714] <... futex resumed>) = 1 [pid 18712] <... futex resumed>) = 0 [pid 3612] <... restart_syscall resumed>) = 0 [pid 18720] set_robust_list(0x7fe89d1609e0, 24 [pid 18719] set_robust_list(0x7fe89d1609e0, 24 [pid 18718] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18717] <... clone resumed>, parent_tid=[18719], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18719 [pid 18715] <... clone resumed>, parent_tid=[18720], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18720 [pid 18714] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18712] exit_group(0 [pid 18719] <... set_robust_list resumed>) = 0 [pid 18718] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18717] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18715] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18714] <... futex resumed>) = ? [pid 18712] <... exit_group resumed>) = ? [pid 18719] mkdir("./file0", 0777 [pid 18718] <... futex resumed>) = 1 [pid 18717] <... futex resumed>) = 0 [pid 18716] <... futex resumed>) = 0 [pid 18715] <... futex resumed>) = 0 [pid 18714] +++ exited with 0 +++ [pid 3612] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 18718] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18717] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18716] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18715] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 3612] <... openat resumed>) = 3 [pid 18720] <... set_robust_list resumed>) = 0 [pid 18719] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18718] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18716] <... futex resumed>) = 0 [pid 18712] +++ exited with 0 +++ [pid 3612] ioctl(3, LOOP_CLR_FD [pid 18720] mkdir("./file0", 0777 [pid 18719] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18718] pipe2( [pid 18716] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18712, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3612] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18720] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18719] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18718] <... pipe2 resumed>[3, 4], 0) = 0 [pid 3612] close(3 [pid 18720] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18719] <... futex resumed>) = 1 [pid 18718] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18717] <... futex resumed>) = 0 [pid 3612] <... close resumed>) = 0 [pid 18720] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18719] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18718] <... futex resumed>) = 1 [pid 18717] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18716] <... futex resumed>) = 0 [pid 3612] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18720] <... futex resumed>) = 1 [pid 18719] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18718] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18717] <... futex resumed>) = 0 [pid 18716] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18715] <... futex resumed>) = 0 ./strace-static-x86_64: Process 18721 attached [pid 18720] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18719] pipe2( [pid 18718] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18717] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18716] <... futex resumed>) = 0 [pid 18715] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18721] set_robust_list(0x55555697d6e0, 24 [pid 18720] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18719] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18718] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18716] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18715] <... futex resumed>) = 0 [pid 3612] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18721 [pid 18721] <... set_robust_list resumed>) = 0 [pid 18720] pipe2( [pid 18719] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18715] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3613] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 18721] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18720] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18719] <... futex resumed>) = 1 [pid 18717] <... futex resumed>) = 0 [pid 3613] <... openat resumed>) = 3 [pid 18721] <... prctl resumed>) = 0 [pid 18720] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18719] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18717] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3613] ioctl(3, LOOP_CLR_FD [pid 18721] setpgid(0, 0 [pid 18720] <... futex resumed>) = 1 [pid 18719] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18715] <... futex resumed>) = 0 [pid 18721] <... setpgid resumed>) = 0 [pid 18720] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18719] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18717] <... futex resumed>) = 0 [pid 18715] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18721] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18720] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18717] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18715] <... futex resumed>) = 0 [pid 3613] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18721] <... openat resumed>) = 3 [pid 18720] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18715] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3613] close(3 [pid 18721] write(3, "1000", 4 [pid 18719] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18718] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3613] <... close resumed>) = 0 [pid 18721] <... write resumed>) = 4 [pid 18719] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18718] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18721] close(3 [pid 18719] <... futex resumed>) = 1 [pid 18718] <... futex resumed>) = 1 [pid 18717] <... futex resumed>) = 0 [pid 18716] <... futex resumed>) = 0 [pid 18721] <... close resumed>) = 0 [pid 18719] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18718] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18717] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18716] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3613] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18722 [pid 18721] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18719] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18718] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18717] <... futex resumed>) = 0 [pid 18716] <... futex resumed>) = 0 [pid 18721] <... futex resumed>) = 0 [pid 18719] write(4, NULL, 126976 [pid 18718] write(4, NULL, 126976 [pid 18717] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18716] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18721] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18719] <... write resumed>) = -1 EFAULT (Bad address) [pid 18718] <... write resumed>) = -1 EFAULT (Bad address) [pid 18721] <... mmap resumed>) = 0x7fe89d140000 [pid 18719] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18718] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18721] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18719] <... futex resumed>) = 1 [pid 18718] <... futex resumed>) = 1 [pid 18717] <... futex resumed>) = 0 [pid 18716] <... futex resumed>) = 0 [pid 18721] <... mprotect resumed>) = 0 [pid 18719] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18718] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18717] exit_group(0 [pid 18716] exit_group(0 [pid 18721] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18719] <... futex resumed>) = ? [pid 18718] <... futex resumed>) = ? [pid 18717] <... exit_group resumed>) = ? [pid 18716] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 18723 attached ./strace-static-x86_64: Process 18722 attached [pid 18720] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18719] +++ exited with 0 +++ [pid 18718] +++ exited with 0 +++ [pid 18717] +++ exited with 0 +++ [pid 18716] +++ exited with 0 +++ [pid 18723] set_robust_list(0x7fe89d1609e0, 24 [pid 18722] set_robust_list(0x55555697d6e0, 24 [pid 18721] <... clone resumed>, parent_tid=[18723], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18723 [pid 18720] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18717, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18722] <... set_robust_list resumed>) = 0 [pid 18721] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18720] <... futex resumed>) = 1 [pid 18715] <... futex resumed>) = 0 [pid 18722] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18721] <... futex resumed>) = 0 [pid 18720] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18715] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18716, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18722] <... prctl resumed>) = 0 [pid 18721] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18720] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18715] <... futex resumed>) = 0 [pid 3610] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 3609] restart_syscall(<... resuming interrupted clone ...> [pid 18722] setpgid(0, 0 [pid 18720] write(4, NULL, 126976 [pid 18723] <... set_robust_list resumed>) = 0 [pid 18715] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3610] <... openat resumed>) = 3 [pid 3609] <... restart_syscall resumed>) = 0 [pid 18723] mkdir("./file0", 0777 [pid 18722] <... setpgid resumed>) = 0 [pid 18720] <... write resumed>) = -1 EFAULT (Bad address) [pid 3610] ioctl(3, LOOP_CLR_FD [pid 18723] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18722] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18720] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3610] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18723] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18722] <... openat resumed>) = 3 [pid 18720] <... futex resumed>) = 1 [pid 18715] <... futex resumed>) = 0 [pid 3610] close(3 [pid 18723] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18722] write(3, "1000", 4 [pid 18720] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18715] exit_group(0 [pid 3610] <... close resumed>) = 0 [pid 3609] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 18723] <... futex resumed>) = 1 [pid 18722] <... write resumed>) = 4 [pid 18721] <... futex resumed>) = 0 [pid 18720] <... futex resumed>) = ? [pid 18715] <... exit_group resumed>) = ? [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18723] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18722] close(3 [pid 18721] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18720] +++ exited with 0 +++ [pid 3609] <... openat resumed>) = 3 ./strace-static-x86_64: Process 18724 attached [pid 18722] <... close resumed>) = 0 [pid 18723] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18721] <... futex resumed>) = 0 [pid 18715] +++ exited with 0 +++ [pid 3609] ioctl(3, LOOP_CLR_FD [pid 18724] set_robust_list(0x55555697d6e0, 24 [pid 18723] pipe2( [pid 18722] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18721] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3610] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18724 [pid 3609] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18724] <... set_robust_list resumed>) = 0 [pid 18723] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18722] <... futex resumed>) = 0 [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18715, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18724] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18723] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18722] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3611] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 3609] close(3 [pid 18724] <... prctl resumed>) = 0 [pid 18723] <... futex resumed>) = 1 [pid 18722] <... mmap resumed>) = 0x7fe89d140000 [pid 18721] <... futex resumed>) = 0 [pid 3611] <... openat resumed>) = 3 [pid 3609] <... close resumed>) = 0 [pid 18724] setpgid(0, 0 [pid 18723] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3611] ioctl(3, LOOP_CLR_FD [pid 18724] <... setpgid resumed>) = 0 [pid 3611] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18724] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3611] close(3 [pid 18724] <... openat resumed>) = 3 [pid 3611] <... close resumed>) = 0 [pid 18724] write(3, "1000", 4 [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18724] <... write resumed>) = 4 [pid 18722] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18721] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18724] close(3 [pid 3611] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18725 [pid 18724] <... close resumed>) = 0 [pid 18724] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 18724] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe89d140000 [pid 18724] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 18723] <... futex resumed>) = 0 [pid 18722] <... mprotect resumed>) = 0 [pid 18721] <... futex resumed>) = 1 ./strace-static-x86_64: Process 18726 attached ./strace-static-x86_64: Process 18725 attached [pid 18724] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18723] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18722] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18721] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 18727 attached [pid 18726] set_robust_list(0x55555697d6e0, 24 [pid 18725] set_robust_list(0x55555697d6e0, 24 [pid 3609] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18726 [pid 18727] set_robust_list(0x7fe89d1609e0, 24 [pid 18726] <... set_robust_list resumed>) = 0 [pid 18725] <... set_robust_list resumed>) = 0 [pid 18722] <... clone resumed>, parent_tid=[18728], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18728 [pid 18727] <... set_robust_list resumed>) = 0 [pid 18726] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18725] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18722] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18727] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18726] <... prctl resumed>) = 0 [pid 18725] <... prctl resumed>) = 0 [pid 18722] <... futex resumed>) = 0 [pid 18726] setpgid(0, 0 [pid 18725] setpgid(0, 0 [pid 18722] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18726] <... setpgid resumed>) = 0 [pid 18725] <... setpgid resumed>) = 0 [pid 18726] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18725] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18724] <... clone resumed>, parent_tid=[18727], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18727 [pid 18726] <... openat resumed>) = 3 [pid 18725] <... openat resumed>) = 3 [pid 18724] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18726] write(3, "1000", 4 [pid 18725] write(3, "1000", 4 [pid 18724] <... futex resumed>) = 1 [pid 18727] <... futex resumed>) = 0 [pid 18726] <... write resumed>) = 4 [pid 18725] <... write resumed>) = 4 [pid 18727] mkdir("./file0", 0777 [pid 18726] close(3 [pid 18725] close(3 [pid 18724] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18727] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18726] <... close resumed>) = 0 [pid 18725] <... close resumed>) = 0 [pid 18727] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18726] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18725] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18727] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 18726] <... futex resumed>) = 0 [pid 18725] <... futex resumed>) = 0 [pid 18724] <... futex resumed>) = 0 [pid 18727] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18726] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18725] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18724] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18723] <... mount resumed>) = -1 EFAULT (Bad address) ./strace-static-x86_64: Process 18728 attached [pid 18727] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18726] <... mmap resumed>) = 0x7fe89d140000 [pid 18725] <... mmap resumed>) = 0x7fe89d140000 [pid 18724] <... futex resumed>) = 0 [pid 18723] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18728] set_robust_list(0x7fe89d1609e0, 24 [pid 18727] pipe2( [pid 18726] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18725] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18724] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18721] <... futex resumed>) = 0 [pid 18723] <... futex resumed>) = 1 [pid 18728] <... set_robust_list resumed>) = 0 [pid 18727] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18726] <... mprotect resumed>) = 0 [pid 18725] <... mprotect resumed>) = 0 [pid 18723] write(4, NULL, 126976 [pid 18721] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18728] mkdir("./file0", 0777 [pid 18727] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18726] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18725] clone(child_stack=0x7fe89d1602f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 18723] <... write resumed>) = -1 EFAULT (Bad address) [pid 18721] <... futex resumed>) = 0 ./strace-static-x86_64: Process 18730 attached ./strace-static-x86_64: Process 18729 attached [pid 18728] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18727] <... futex resumed>) = 1 [pid 18724] <... futex resumed>) = 0 [pid 18723] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18721] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18730] set_robust_list(0x7fe89d1609e0, 24 [pid 18729] set_robust_list(0x7fe89d1609e0, 24 [pid 18728] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18727] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18726] <... clone resumed>, parent_tid=[18729], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18729 [pid 18725] <... clone resumed>, parent_tid=[18730], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18730 [pid 18724] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18723] <... futex resumed>) = 0 [pid 18721] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18730] <... set_robust_list resumed>) = 0 [pid 18729] <... set_robust_list resumed>) = 0 [pid 18728] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18727] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18726] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18725] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18724] <... futex resumed>) = 0 [pid 18723] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18721] exit_group(0 [pid 18730] mkdir("./file0", 0777 [pid 18729] mkdir("./file0", 0777 [pid 18728] <... futex resumed>) = 1 [pid 18727] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18726] <... futex resumed>) = 0 [pid 18725] <... futex resumed>) = 0 [pid 18724] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18723] <... futex resumed>) = ? [pid 18722] <... futex resumed>) = 0 [pid 18721] <... exit_group resumed>) = ? [pid 18730] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18729] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18728] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18726] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18725] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18722] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18723] +++ exited with 0 +++ [pid 18730] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18729] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18728] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18722] <... futex resumed>) = 0 [pid 18730] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18729] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18728] pipe2( [pid 18722] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18721] +++ exited with 0 +++ [pid 18730] <... futex resumed>) = 1 [pid 18729] <... futex resumed>) = 1 [pid 18728] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18726] <... futex resumed>) = 0 [pid 18725] <... futex resumed>) = 0 [pid 3612] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18721, si_uid=0, si_status=0, si_utime=2, si_stime=2} --- [pid 18730] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18729] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18728] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18726] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18725] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18730] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18729] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18728] <... futex resumed>) = 1 [pid 18726] <... futex resumed>) = 0 [pid 18725] <... futex resumed>) = 0 [pid 18722] <... futex resumed>) = 0 [pid 18730] pipe2( [pid 18729] pipe2( [pid 18728] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18726] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18725] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18722] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18730] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18729] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18728] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18722] <... futex resumed>) = 0 [pid 3612] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 18730] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18729] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18728] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18722] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18730] <... futex resumed>) = 1 [pid 18729] <... futex resumed>) = 1 [pid 18727] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18726] <... futex resumed>) = 0 [pid 18725] <... futex resumed>) = 0 [pid 3612] <... openat resumed>) = 3 [pid 18727] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3612] ioctl(3, LOOP_CLR_FD [pid 18730] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18729] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18727] <... futex resumed>) = 1 [pid 18726] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [