./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 [pid 18725] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18724] <... futex resumed>) = 0 [pid 3612] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18730] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18729] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18727] write(4, NULL, 126976 [pid 18726] <... futex resumed>) = 0 [pid 18725] <... futex resumed>) = 0 [pid 18724] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3612] close(3 [pid 18730] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18729] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18727] <... write resumed>) = -1 EFAULT (Bad address) [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 18724] <... futex resumed>) = 0 [pid 3612] <... close resumed>) = 0 [pid 18727] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18724] 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 [pid 18727] <... futex resumed>) = 0 [pid 18724] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18727] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18724] exit_group(0 [pid 3612] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18731 [pid 18727] <... futex resumed>) = ? [pid 18724] <... exit_group resumed>) = ? [pid 18727] +++ exited with 0 +++ [pid 18724] +++ exited with 0 +++ [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18724, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3610] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3610] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 18728] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3610] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 18731 attached ) = -1 ENXIO (No such device or address) [pid 18731] set_robust_list(0x55555697d6e0, 24 [pid 3610] close(3 [pid 18731] <... set_robust_list resumed>) = 0 [pid 18728] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3610] <... close resumed>) = 0 [pid 18731] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18731] <... prctl resumed>) = 0 [pid 18731] setpgid(0, 0 [pid 3610] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18732 [pid 18731] <... setpgid resumed>) = 0 [pid 18728] <... futex resumed>) = 1 [pid 18722] <... futex resumed>) = 0 [pid 18731] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18728] write(4, NULL, 126976 [pid 18722] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18731] <... openat resumed>) = 3 [pid 18728] <... write resumed>) = -1 EFAULT (Bad address) [pid 18722] <... futex resumed>) = 0 [pid 18731] write(3, "1000", 4) = 4 [pid 18731] close(3 [pid 18728] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18722] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 18732 attached [pid 18731] <... close resumed>) = 0 [pid 18728] <... futex resumed>) = 0 [pid 18722] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18732] set_robust_list(0x55555697d6e0, 24 [pid 18731] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18728] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18722] exit_group(0 [pid 18728] <... futex resumed>) = ? [pid 18722] <... exit_group resumed>) = ? [pid 18732] <... set_robust_list resumed>) = 0 [pid 18731] <... futex resumed>) = 0 [pid 18728] +++ exited with 0 +++ [pid 18722] +++ exited with 0 +++ [pid 18732] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18731] 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=18722, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18732] <... prctl resumed>) = 0 [pid 18731] <... mmap resumed>) = 0x7fe89d140000 [pid 18731] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18732] setpgid(0, 0) = 0 [pid 18729] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18732] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18731] <... mprotect resumed>) = 0 [pid 18729] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18732] <... openat resumed>) = 3 [pid 18729] <... futex resumed>) = 1 [pid 18726] <... futex resumed>) = 0 [pid 18731] 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 18733 attached [pid 18732] write(3, "1000", 4 [pid 18730] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18729] write(4, NULL, 126976 [pid 18726] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18733] set_robust_list(0x7fe89d1609e0, 24 [pid 18732] <... write resumed>) = 4 [pid 18731] <... clone resumed>, parent_tid=[18733], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18733 [pid 18730] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18729] <... write resumed>) = -1 EFAULT (Bad address) [pid 18726] <... futex resumed>) = 0 [pid 18733] <... set_robust_list resumed>) = 0 [pid 18732] close(3 [pid 18731] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18730] <... futex resumed>) = 1 [pid 18729] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18726] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18725] <... futex resumed>) = 0 [pid 3613] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 18733] mkdir("./file0", 0777 [pid 18732] <... close resumed>) = 0 [pid 18731] <... futex resumed>) = 0 [pid 18730] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18729] <... futex resumed>) = 0 [pid 18726] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18725] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3613] <... openat resumed>) = 3 [pid 18733] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18732] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18731] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18730] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18729] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18726] exit_group(0 [pid 18725] <... futex resumed>) = 0 [pid 3613] ioctl(3, LOOP_CLR_FD [pid 18733] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18732] <... futex resumed>) = 0 [pid 18730] write(4, NULL, 126976 [pid 18729] <... futex resumed>) = ? [pid 18726] <... exit_group resumed>) = ? [pid 18725] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3613] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18733] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18732] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18730] <... write resumed>) = -1 EFAULT (Bad address) [pid 18729] +++ exited with 0 +++ [pid 18726] +++ exited with 0 +++ [pid 3613] close(3 [pid 18733] <... futex resumed>) = 1 [pid 18732] <... mmap resumed>) = 0x7fe89d140000 [pid 18731] <... futex resumed>) = 0 [pid 18730] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3613] <... close resumed>) = 0 [pid 18733] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18731] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18730] <... futex resumed>) = 1 [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18733] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18731] <... futex resumed>) = 0 [pid 18730] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18733] pipe2( [pid 18731] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3613] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18734 [pid 18733] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18733] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 18731] <... futex resumed>) = 0 [pid 18733] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18731] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18733] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18731] <... futex resumed>) = 0 [pid 18733] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18731] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 18734 attached [pid 18732] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18725] <... futex resumed>) = 0 [pid 3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18726, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 18732] <... mprotect resumed>) = 0 [pid 18725] exit_group(0 [pid 3609] restart_syscall(<... resuming interrupted clone ...> [pid 18732] 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 18730] <... futex resumed>) = ? [pid 18725] <... exit_group resumed>) = ? [pid 3609] <... restart_syscall resumed>) = 0 [pid 18730] +++ exited with 0 +++ [pid 18725] +++ exited with 0 +++ [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18725, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3611] restart_syscall(<... resuming interrupted clone ...> [pid 18732] <... clone resumed>, parent_tid=[18735], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18735 ./strace-static-x86_64: Process 18735 attached [pid 18734] set_robust_list(0x55555697d6e0, 24 [pid 18733] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18732] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] <... restart_syscall resumed>) = 0 [pid 3609] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 18733] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18734] <... set_robust_list resumed>) = 0 [pid 18733] <... futex resumed>) = 1 [pid 18732] <... futex resumed>) = 0 [pid 18731] <... futex resumed>) = 0 [pid 18733] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18731] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 3609] <... openat resumed>) = 3 [pid 18733] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18731] <... futex resumed>) = 0 [pid 3611] <... openat resumed>) = 3 [pid 18733] write(4, NULL, 126976 [pid 18731] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3611] ioctl(3, LOOP_CLR_FD [pid 18734] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18733] <... write resumed>) = -1 EFAULT (Bad address) [pid 18732] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 3611] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3609] ioctl(3, LOOP_CLR_FD [pid 18734] <... prctl resumed>) = 0 [pid 18733] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] close(3 [pid 3609] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18734] setpgid(0, 0 [pid 18733] <... futex resumed>) = 1 [pid 18731] <... futex resumed>) = 0 [pid 3611] <... close resumed>) = 0 [pid 3609] close(3 [pid 18734] <... setpgid resumed>) = 0 [pid 18733] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18731] exit_group(0 [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3609] <... close resumed>) = 0 [pid 18734] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18733] <... futex resumed>) = ? [pid 18731] <... exit_group resumed>) = ? [pid 3609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18734] <... openat resumed>) = 3 [pid 18733] +++ exited with 0 +++ [pid 18731] +++ exited with 0 +++ [pid 3611] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18736 [pid 18734] write(3, "1000", 4 [pid 3612] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18731, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18734] <... write resumed>) = 4 [pid 3612] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3609] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18737 [pid 18734] close(3 [pid 3612] <... openat resumed>) = 3 [pid 18734] <... close resumed>) = 0 [pid 3612] ioctl(3, LOOP_CLR_FD [pid 18734] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3612] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18735] set_robust_list(0x7fe89d1609e0, 24 [pid 18734] <... futex resumed>) = 0 [pid 3612] close(3 [pid 18734] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3612] <... close resumed>) = 0 ./strace-static-x86_64: Process 18737 attached [pid 18734] <... mmap resumed>) = 0x7fe89d140000 [pid 3612] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18737] set_robust_list(0x55555697d6e0, 24 [pid 18735] <... set_robust_list resumed>) = 0 [pid 18734] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 18736 attached [pid 18737] <... set_robust_list resumed>) = 0 [pid 18735] mkdir("./file0", 0777 [pid 18734] <... mprotect resumed>) = 0 [pid 3612] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18738 [pid 18737] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18736] set_robust_list(0x55555697d6e0, 24 [pid 18735] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18734] 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 18737] <... prctl resumed>) = 0 [pid 18736] <... set_robust_list resumed>) = 0 [pid 18735] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- ./strace-static-x86_64: Process 18738 attached [pid 18737] setpgid(0, 0 [pid 18736] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18734] <... clone resumed>, parent_tid=[18739], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18739 [pid 18738] set_robust_list(0x55555697d6e0, 24 [pid 18737] <... setpgid resumed>) = 0 [pid 18736] <... prctl resumed>) = 0 [pid 18735] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18734] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18738] <... set_robust_list resumed>) = 0 [pid 18737] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18736] setpgid(0, 0 [pid 18735] <... futex resumed>) = 1 [pid 18734] <... futex resumed>) = 0 [pid 18732] <... futex resumed>) = 0 [pid 18738] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18737] <... openat resumed>) = 3 [pid 18736] <... setpgid resumed>) = 0 [pid 18735] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18734] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18732] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18738] <... prctl resumed>) = 0 [pid 18737] write(3, "1000", 4 [pid 18736] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18735] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18732] <... futex resumed>) = 0 ./strace-static-x86_64: Process 18739 attached [pid 18738] setpgid(0, 0 [pid 18737] <... write resumed>) = 4 [pid 18736] <... openat resumed>) = 3 [pid 18735] pipe2( [pid 18732] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18739] set_robust_list(0x7fe89d1609e0, 24 [pid 18738] <... setpgid resumed>) = 0 [pid 18737] close(3 [pid 18736] write(3, "1000", 4 [pid 18735] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18739] <... set_robust_list resumed>) = 0 [pid 18738] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18737] <... close resumed>) = 0 [pid 18736] <... write resumed>) = 4 [pid 18735] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18739] mkdir("./file0", 0777 [pid 18738] <... openat resumed>) = 3 [pid 18737] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18736] close(3 [pid 18735] <... futex resumed>) = 1 [pid 18732] <... futex resumed>) = 0 [pid 18739] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18738] write(3, "1000", 4 [pid 18737] <... futex resumed>) = 0 [pid 18736] <... close resumed>) = 0 [pid 18735] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18732] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18739] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18738] <... write resumed>) = 4 [pid 18737] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18736] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18735] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18732] <... futex resumed>) = 0 [pid 18739] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18738] close(3 [pid 18737] <... mmap resumed>) = 0x7fe89d140000 [pid 18736] <... futex resumed>) = 0 [pid 18735] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18732] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18739] <... futex resumed>) = 1 [pid 18738] <... close resumed>) = 0 [pid 18737] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18736] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18734] <... futex resumed>) = 0 [pid 18738] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18737] <... mprotect resumed>) = 0 [pid 18736] <... mmap resumed>) = 0x7fe89d140000 [pid 18738] <... futex resumed>) = 0 [pid 18737] 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 18736] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18734] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18738] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18736] <... mprotect resumed>) = 0 [pid 18734] <... futex resumed>) = 0 [pid 18738] <... mmap resumed>) = 0x7fe89d140000 [pid 18737] <... clone resumed>, parent_tid=[18740], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18740 [pid 18736] 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 18734] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18739] pipe2( [pid 18738] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18737] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18738] <... mprotect resumed>) = 0 [pid 18737] <... futex resumed>) = 0 [pid 18736] <... clone resumed>, parent_tid=[18741], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18741 [pid 18738] 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 18737] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18736] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 18738] <... clone resumed>, parent_tid=[18742], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18742 [pid 18736] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18738] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 18738] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18739] <... pipe2 resumed>[3, 4], 0) = 0 ./strace-static-x86_64: Process 18741 attached ./strace-static-x86_64: Process 18740 attached [pid 18739] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18741] set_robust_list(0x7fe89d1609e0, 24 [pid 18740] set_robust_list(0x7fe89d1609e0, 24 [pid 18739] <... futex resumed>) = 1 [pid 18734] <... futex resumed>) = 0 [pid 18741] <... set_robust_list resumed>) = 0 [pid 18740] <... set_robust_list resumed>) = 0 [pid 18734] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18741] mkdir("./file0", 0777 [pid 18740] mkdir("./file0", 0777 [pid 18739] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18734] <... futex resumed>) = 0 [pid 18741] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18740] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18735] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18734] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18741] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18740] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18741] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18740] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18741] <... futex resumed>) = 1 [pid 18740] <... futex resumed>) = 1 [pid 18737] <... futex resumed>) = 0 [pid 18736] <... futex resumed>) = 0 [pid 18741] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18740] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18737] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18736] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18741] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18740] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18737] <... futex resumed>) = 0 [pid 18736] <... futex resumed>) = 0 [pid 18741] pipe2( [pid 18740] pipe2( [pid 18737] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18736] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18741] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18740] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18741] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18740] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18735] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18741] <... futex resumed>) = 1 [pid 18740] <... futex resumed>) = 1 [pid 18737] <... futex resumed>) = 0 [pid 18736] <... futex resumed>) = 0 [pid 18732] <... futex resumed>) = 0 [pid 18735] <... futex resumed>) = 1 [pid 18741] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18740] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18737] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18736] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18735] write(4, NULL, 126976 [pid 18732] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18741] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18740] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18737] <... futex resumed>) = 0 [pid 18736] <... futex resumed>) = 0 [pid 18735] <... write resumed>) = -1 EFAULT (Bad address) [pid 18732] <... futex resumed>) = 0 ./strace-static-x86_64: Process 18742 attached [pid 18741] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18740] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18737] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18736] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18735] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18732] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18735] <... futex resumed>) = 0 [pid 18732] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18735] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18732] exit_group(0 [pid 18742] set_robust_list(0x7fe89d1609e0, 24 [pid 18735] <... futex resumed>) = ? [pid 18732] <... exit_group resumed>) = ? [pid 18742] <... set_robust_list resumed>) = 0 [pid 18739] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18735] +++ exited with 0 +++ [pid 18732] +++ exited with 0 +++ [pid 18742] mkdir("./file0", 0777 [pid 18739] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18742] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18739] <... futex resumed>) = 1 [pid 18734] <... futex resumed>) = 0 [pid 18742] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18739] write(4, NULL, 126976 [pid 18734] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18732, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18742] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18739] <... write resumed>) = -1 EFAULT (Bad address) [pid 18734] <... futex resumed>) = 0 [pid 3610] restart_syscall(<... resuming interrupted clone ...> [pid 18742] <... futex resumed>) = 1 [pid 18739] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18738] <... futex resumed>) = 0 [pid 18734] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3610] <... restart_syscall resumed>) = 0 [pid 18742] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18739] <... futex resumed>) = 0 [pid 18738] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18734] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18742] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18739] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18738] <... futex resumed>) = 0 [pid 18734] exit_group(0 [pid 18742] pipe2( [pid 18741] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18739] <... futex resumed>) = ? [pid 18734] <... exit_group resumed>) = ? [pid 18738] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18742] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18741] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18740] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18739] +++ exited with 0 +++ [pid 18734] +++ exited with 0 +++ [pid 3610] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 18742] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18741] <... futex resumed>) = 1 [pid 18740] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18736] <... futex resumed>) = 0 [pid 3610] <... openat resumed>) = 3 [pid 18742] <... futex resumed>) = 1 [pid 18741] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18740] <... futex resumed>) = 1 [pid 18738] <... futex resumed>) = 0 [pid 18737] <... futex resumed>) = 0 [pid 18736] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18734, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3610] ioctl(3, LOOP_CLR_FD [pid 18742] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18741] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18740] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18738] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18737] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18736] <... futex resumed>) = 0 [pid 3613] restart_syscall(<... resuming interrupted clone ...> [pid 3610] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18742] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18741] write(4, NULL, 126976 [pid 18740] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18738] <... futex resumed>) = 0 [pid 18737] <... futex resumed>) = 0 [pid 18736] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3613] <... restart_syscall resumed>) = 0 [pid 3610] close(3 [pid 18742] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18741] <... write resumed>) = -1 EFAULT (Bad address) [pid 18740] write(4, NULL, 126976 [pid 18738] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18737] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3610] <... close resumed>) = 0 [pid 18741] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18740] <... write resumed>) = -1 EFAULT (Bad address) [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18741] <... futex resumed>) = 1 [pid 18740] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18736] <... futex resumed>) = 0 [pid 3613] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 18741] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18740] <... futex resumed>) = 1 [pid 18737] <... futex resumed>) = 0 [pid 18736] exit_group(0 [pid 3613] <... openat resumed>) = 3 [pid 3610] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18743 [pid 18741] <... futex resumed>) = ? [pid 18740] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18737] exit_group(0 [pid 18736] <... exit_group resumed>) = ? [pid 3613] ioctl(3, LOOP_CLR_FD [pid 18741] +++ exited with 0 +++ [pid 18740] <... futex resumed>) = ? [pid 18737] <... exit_group resumed>) = ? [pid 18736] +++ exited with 0 +++ [pid 3613] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18740] +++ exited with 0 +++ [pid 18737] +++ exited with 0 +++ [pid 3613] close(3./strace-static-x86_64: Process 18743 attached [pid 18742] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3613] <... close resumed>) = 0 [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18736, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18737, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18743] set_robust_list(0x55555697d6e0, 24 [pid 18742] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3611] restart_syscall(<... resuming interrupted clone ...> [pid 18743] <... set_robust_list resumed>) = 0 [pid 18742] <... futex resumed>) = 1 [pid 18738] <... futex resumed>) = 0 [pid 18743] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18742] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18738] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] <... restart_syscall resumed>) = 0 [pid 18743] <... prctl resumed>) = 0 [pid 18742] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18738] <... futex resumed>) = 0 [pid 3613] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18744 [pid 18743] setpgid(0, 0 [pid 18742] write(4, NULL, 126976 [pid 18738] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18743] <... setpgid resumed>) = 0 [pid 18742] <... write resumed>) = -1 EFAULT (Bad address) [pid 3609] openat(AT_FDCWD, "/dev/loop0", O_RDWR./strace-static-x86_64: Process 18744 attached [pid 18743] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18742] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 3609] <... openat resumed>) = 3 [pid 18744] set_robust_list(0x55555697d6e0, 24 [pid 18743] <... openat resumed>) = 3 [pid 18742] <... futex resumed>) = 1 [pid 18738] <... futex resumed>) = 0 [pid 3611] <... openat resumed>) = 3 [pid 3609] ioctl(3, LOOP_CLR_FD [pid 18743] write(3, "1000", 4 [pid 18742] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18738] exit_group(0 [pid 3611] ioctl(3, LOOP_CLR_FD [pid 3609] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18743] <... write resumed>) = 4 [pid 18742] <... futex resumed>) = ? [pid 18744] <... set_robust_list resumed>) = 0 [pid 18738] <... exit_group resumed>) = ? [pid 3611] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3609] close(3 [pid 18743] close(3 [pid 18742] +++ exited with 0 +++ [pid 3609] <... close resumed>) = 0 [pid 18743] <... close resumed>) = 0 [pid 3609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18743] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18738] +++ exited with 0 +++ [pid 3611] close(3 [pid 18744] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18743] <... futex resumed>) = 0 [pid 3612] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18738, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3611] <... close resumed>) = 0 [pid 3609] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18745 [pid 18744] <... prctl resumed>) = 0 [pid 18743] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3612] restart_syscall(<... resuming interrupted clone ...> [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18743] <... mmap resumed>) = 0x7fe89d140000 [pid 3612] <... restart_syscall resumed>) = 0 [pid 18743] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 18743] 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 18744] setpgid(0, 0 [pid 3611] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18746 [pid 18743] <... clone resumed>, parent_tid=[18747], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18747 [pid 18744] <... setpgid resumed>) = 0 [pid 18743] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3612] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 18743] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18744] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3612] <... openat resumed>) = 3 [pid 3612] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 18745 attached ) = -1 ENXIO (No such device or address) [pid 18745] set_robust_list(0x55555697d6e0, 24 [pid 3612] close(3 [pid 18744] <... openat resumed>) = 3 [pid 3612] <... close resumed>) = 0 [pid 18744] write(3, "1000", 4 [pid 3612] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18745] <... set_robust_list resumed>) = 0 [pid 18744] <... write resumed>) = 4 [pid 18745] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 18747 attached ) = 0 [pid 18744] close(3 [pid 18747] set_robust_list(0x7fe89d1609e0, 24 [pid 3612] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18748 [pid 18744] <... close resumed>) = 0 ./strace-static-x86_64: Process 18746 attached ./strace-static-x86_64: Process 18748 attached [pid 18747] <... set_robust_list resumed>) = 0 [pid 18745] setpgid(0, 0 [pid 18744] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18747] mkdir("./file0", 0777 [pid 18746] set_robust_list(0x55555697d6e0, 24 [pid 18745] <... setpgid resumed>) = 0 [pid 18744] <... futex resumed>) = 0 [pid 18748] set_robust_list(0x55555697d6e0, 24 [pid 18747] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18745] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18744] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18746] <... set_robust_list resumed>) = 0 [pid 18748] <... set_robust_list resumed>) = 0 [pid 18747] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18745] <... openat resumed>) = 3 [pid 18747] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18746] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18745] write(3, "1000", 4 [pid 18744] <... mmap resumed>) = 0x7fe89d140000 [pid 18748] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18747] <... futex resumed>) = 1 [pid 18746] <... prctl resumed>) = 0 [pid 18745] <... write resumed>) = 4 [pid 18744] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18743] <... futex resumed>) = 0 [pid 18748] <... prctl resumed>) = 0 [pid 18747] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18746] setpgid(0, 0 [pid 18745] close(3 [pid 18744] <... mprotect resumed>) = 0 [pid 18743] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18748] setpgid(0, 0 [pid 18747] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18746] <... setpgid resumed>) = 0 [pid 18744] 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 18748] <... setpgid resumed>) = 0 [pid 18747] pipe2( [pid 18746] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18745] <... close resumed>) = 0 [pid 18743] <... futex resumed>) = 0 [pid 18748] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18747] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18746] <... openat resumed>) = 3 [pid 18745] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18744] <... clone resumed>, parent_tid=[18749], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18749 [pid 18743] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 18749 attached [pid 18748] <... openat resumed>) = 3 [pid 18747] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18746] write(3, "1000", 4 [pid 18745] <... futex resumed>) = 0 [pid 18744] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18743] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18748] write(3, "1000", 4 [pid 18747] <... futex resumed>) = 0 [pid 18746] <... write resumed>) = 4 [pid 18745] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18744] <... futex resumed>) = 0 [pid 18743] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18749] set_robust_list(0x7fe89d1609e0, 24 [pid 18748] <... write resumed>) = 4 [pid 18747] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18746] close(3 [pid 18745] <... mmap resumed>) = 0x7fe89d140000 [pid 18744] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18743] <... futex resumed>) = 0 [pid 18748] close(3 [pid 18746] <... close resumed>) = 0 [pid 18745] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18743] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18748] <... close resumed>) = 0 [pid 18746] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18748] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18746] <... futex resumed>) = 0 [pid 18748] <... futex resumed>) = 0 [pid 18746] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18745] <... mprotect resumed>) = 0 [pid 18748] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18746] <... mmap resumed>) = 0x7fe89d140000 [pid 18748] <... mmap resumed>) = 0x7fe89d140000 [pid 18746] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18745] 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 18748] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18746] <... mprotect resumed>) = 0 [pid 18748] <... mprotect resumed>) = 0 [pid 18746] 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 18745] <... clone resumed>, parent_tid=[18750], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18750 [pid 18748] 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 18745] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18746] <... clone resumed>, parent_tid=[18751], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18751 [pid 18745] <... futex resumed>) = 0 [pid 18748] <... clone resumed>, parent_tid=[18752], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18752 [pid 18746] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18745] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18748] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18746] <... futex resumed>) = 0 ./strace-static-x86_64: Process 18750 attached [pid 18748] <... futex resumed>) = 0 [pid 18746] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18750] set_robust_list(0x7fe89d1609e0, 24 [pid 18748] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18750] <... set_robust_list resumed>) = 0 [pid 18750] mkdir("./file0", 0777./strace-static-x86_64: Process 18752 attached ) = -1 EEXIST (File exists) ./strace-static-x86_64: Process 18751 attached [pid 18752] set_robust_list(0x7fe89d1609e0, 24 [pid 18750] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18752] <... set_robust_list resumed>) = 0 [pid 18751] set_robust_list(0x7fe89d1609e0, 24 [pid 18750] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18752] mkdir("./file0", 0777 [pid 18751] <... set_robust_list resumed>) = 0 [pid 18750] <... futex resumed>) = 1 [pid 18745] <... futex resumed>) = 0 [pid 18752] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18751] mkdir("./file0", 0777 [pid 18750] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18745] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18752] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18751] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18750] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18745] <... futex resumed>) = 0 [pid 18752] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18751] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18750] pipe2( [pid 18745] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18752] <... futex resumed>) = 1 [pid 18751] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18750] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18748] <... futex resumed>) = 0 [pid 18752] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18751] <... futex resumed>) = 1 [pid 18750] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18748] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18746] <... futex resumed>) = 0 [pid 18752] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18751] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18750] <... futex resumed>) = 1 [pid 18748] <... futex resumed>) = 0 [pid 18746] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18749] <... set_robust_list resumed>) = 0 [pid 18745] <... futex resumed>) = 0 [pid 18752] pipe2( [pid 18751] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18750] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18749] mkdir("./file0", 0777 [pid 18748] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18746] <... futex resumed>) = 0 [pid 18745] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18752] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18751] pipe2( [pid 18750] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18749] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18747] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18746] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18745] <... futex resumed>) = 0 [pid 18752] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18751] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18750] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18749] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18747] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18745] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18752] <... futex resumed>) = 1 [pid 18751] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18749] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18748] <... futex resumed>) = 0 [pid 18747] <... futex resumed>) = 1 [pid 18743] <... futex resumed>) = 0 [pid 18752] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18751] <... futex resumed>) = 1 [pid 18749] <... futex resumed>) = 1 [pid 18748] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18747] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18746] <... futex resumed>) = 0 [pid 18744] <... futex resumed>) = 0 [pid 18743] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18751] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18749] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18747] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18746] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18744] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18748] <... futex resumed>) = 0 [pid 18743] <... futex resumed>) = 0 [pid 18751] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18749] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18748] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18747] write(4, NULL, 126976 [pid 18746] <... futex resumed>) = 0 [pid 18744] <... futex resumed>) = 0 [pid 18743] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18751] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18749] pipe2( [pid 18747] <... write resumed>) = -1 EFAULT (Bad address) [pid 18746] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18744] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18750] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18749] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18747] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18749] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18747] <... futex resumed>) = 1 [pid 18743] <... futex resumed>) = 0 [pid 18749] <... futex resumed>) = 1 [pid 18747] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18752] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18751] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18750] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18744] <... futex resumed>) = 0 [pid 18743] exit_group(0 [pid 18752] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18751] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18750] <... futex resumed>) = 1 [pid 18749] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18747] <... futex resumed>) = ? [pid 18745] <... futex resumed>) = 0 [pid 18744] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18743] <... exit_group resumed>) = ? [pid 18752] <... futex resumed>) = 1 [pid 18751] <... futex resumed>) = 1 [pid 18750] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18749] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18748] <... futex resumed>) = 0 [pid 18747] +++ exited with 0 +++ [pid 18746] <... futex resumed>) = 0 [pid 18745] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18744] <... futex resumed>) = 0 [pid 18743] +++ exited with 0 +++ [pid 18752] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18751] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18750] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18749] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18748] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18746] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18744] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18745] <... futex resumed>) = 0 [pid 18752] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18751] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18750] write(4, NULL, 126976 [pid 18748] <... futex resumed>) = 0 [pid 18746] <... futex resumed>) = 0 [pid 18745] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18752] write(4, NULL, 126976 [pid 18751] write(4, NULL, 126976 [pid 18750] <... write resumed>) = -1 EFAULT (Bad address) [pid 18748] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18746] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18743, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18752] <... write resumed>) = -1 EFAULT (Bad address) [pid 18751] <... write resumed>) = -1 EFAULT (Bad address) [pid 18750] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3610] restart_syscall(<... resuming interrupted clone ...> [pid 18752] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18751] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18750] <... futex resumed>) = 1 [pid 18745] <... futex resumed>) = 0 [pid 3610] <... restart_syscall resumed>) = 0 [pid 18752] <... futex resumed>) = 1 [pid 18751] <... futex resumed>) = 1 [pid 18750] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18749] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18748] <... futex resumed>) = 0 [pid 18746] <... futex resumed>) = 0 [pid 18745] exit_group(0 [pid 18752] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18751] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18750] <... futex resumed>) = ? [pid 18748] exit_group(0 [pid 18746] exit_group(0 [pid 18745] <... exit_group resumed>) = ? [pid 18752] <... futex resumed>) = ? [pid 18750] +++ exited with 0 +++ [pid 18749] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18748] <... exit_group resumed>) = ? [pid 18746] <... exit_group resumed>) = ? [pid 18749] <... futex resumed>) = 1 [pid 18749] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18745] +++ exited with 0 +++ [pid 3610] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 18744] <... futex resumed>) = 0 [pid 3610] <... openat resumed>) = 3 [pid 3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18745, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18751] <... futex resumed>) = ? [pid 18744] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3610] ioctl(3, LOOP_CLR_FD [pid 3609] restart_syscall(<... resuming interrupted clone ...> [pid 18744] <... futex resumed>) = 1 [pid 3610] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3609] <... restart_syscall resumed>) = 0 [pid 18744] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3610] close(3 [pid 3609] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 3610] <... close resumed>) = 0 [pid 3609] <... openat resumed>) = 3 [pid 18751] +++ exited with 0 +++ [pid 18746] +++ exited with 0 +++ [pid 18752] +++ exited with 0 +++ [pid 18748] +++ exited with 0 +++ [pid 18749] <... futex resumed>) = 0 [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3609] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 3609] close(3 [pid 18749] write(4, NULL, 126976 [pid 3612] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18748, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18746, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3609] <... close resumed>) = 0 [pid 18749] <... write resumed>) = -1 EFAULT (Bad address) [pid 3612] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3611] restart_syscall(<... resuming interrupted clone ...> [pid 3610] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18753 [pid 18749] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3612] <... openat resumed>) = 3 [pid 3611] <... restart_syscall resumed>) = 0 [pid 18749] <... futex resumed>) = 1 [pid 18744] <... futex resumed>) = 0 [pid 3612] ioctl(3, LOOP_CLR_FD [pid 18749] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18744] exit_group(0 [pid 3612] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18749] <... futex resumed>) = ? [pid 18744] <... exit_group resumed>) = ? [pid 3612] close(3 [pid 3611] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 18749] +++ exited with 0 +++ [pid 18744] +++ exited with 0 +++ [pid 3612] <... close resumed>) = 0 [pid 3611] <... openat resumed>) = 3 [pid 3609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18744, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3612] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3611] ioctl(3, LOOP_CLR_FD [pid 3613] restart_syscall(<... resuming interrupted clone ...> [pid 3611] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3613] <... restart_syscall resumed>) = 0 [pid 3612] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18755 [pid 3611] close(3 [pid 3609] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18754 ./strace-static-x86_64: Process 18755 attached ./strace-static-x86_64: Process 18754 attached ./strace-static-x86_64: Process 18753 attached [pid 3611] <... close resumed>) = 0 [pid 18755] set_robust_list(0x55555697d6e0, 24 [pid 18754] set_robust_list(0x55555697d6e0, 24 [pid 18753] set_robust_list(0x55555697d6e0, 24 [pid 3611] 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) = 18756 [pid 3613] ioctl(3, LOOP_CLR_FD [pid 18753] <... 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 18756 attached [pid 18755] <... set_robust_list resumed>) = 0 [pid 18754] <... set_robust_list resumed>) = 0 [pid 18753] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3613] <... close resumed>) = 0 [pid 18756] set_robust_list(0x55555697d6e0, 24 [pid 18755] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18754] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18753] <... prctl resumed>) = 0 [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18756] <... set_robust_list resumed>) = 0 [pid 18755] <... prctl resumed>) = 0 [pid 18754] <... prctl resumed>) = 0 [pid 18753] setpgid(0, 0 [pid 18756] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18755] setpgid(0, 0 [pid 18754] setpgid(0, 0 [pid 18753] <... setpgid resumed>) = 0 [pid 3613] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18757 [pid 18755] <... setpgid resumed>) = 0 [pid 18754] <... setpgid resumed>) = 0 [pid 18753] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18754] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18753] <... openat resumed>) = 3 [pid 18754] <... openat resumed>) = 3 [pid 18753] write(3, "1000", 4 [pid 18755] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18754] write(3, "1000", 4 [pid 18753] <... write resumed>) = 4 [pid 18756] <... prctl resumed>) = 0 [pid 18755] <... openat resumed>) = 3 [pid 18754] <... write resumed>) = 4 [pid 18753] close(3./strace-static-x86_64: Process 18757 attached [pid 18756] setpgid(0, 0 [pid 18755] write(3, "1000", 4 [pid 18754] close(3 [pid 18753] <... close resumed>) = 0 [pid 18757] set_robust_list(0x55555697d6e0, 24 [pid 18756] <... setpgid resumed>) = 0 [pid 18755] <... write resumed>) = 4 [pid 18754] <... close resumed>) = 0 [pid 18753] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18757] <... set_robust_list resumed>) = 0 [pid 18756] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18755] close(3 [pid 18754] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18753] <... futex resumed>) = 0 [pid 18757] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18756] <... openat resumed>) = 3 [pid 18755] <... close resumed>) = 0 [pid 18754] <... futex resumed>) = 0 [pid 18753] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18757] <... prctl resumed>) = 0 [pid 18756] write(3, "1000", 4 [pid 18755] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18754] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18753] <... mmap resumed>) = 0x7fe89d140000 [pid 18756] <... write resumed>) = 4 [pid 18757] setpgid(0, 0 [pid 18755] <... futex resumed>) = 0 [pid 18754] <... mmap resumed>) = 0x7fe89d140000 [pid 18753] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18757] <... setpgid resumed>) = 0 [pid 18756] close(3 [pid 18755] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18754] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18753] <... mprotect resumed>) = 0 [pid 18757] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18756] <... close resumed>) = 0 [pid 18755] <... mmap resumed>) = 0x7fe89d140000 [pid 18754] <... mprotect resumed>) = 0 [pid 18753] 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 18758 attached [pid 18757] <... openat resumed>) = 3 [pid 18756] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18755] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18754] 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 18757] write(3, "1000", 4 [pid 18756] <... futex resumed>) = 0 [pid 18755] <... mprotect resumed>) = 0 [pid 18753] <... clone resumed>, parent_tid=[18758], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18758 [pid 18758] set_robust_list(0x7fe89d1609e0, 24 [pid 18757] <... write resumed>) = 4 [pid 18756] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18755] 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 18754] <... clone resumed>, parent_tid=[18759], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18759 [pid 18753] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 18760 attached [pid 18758] <... set_robust_list resumed>) = 0 [pid 18757] close(3 [pid 18756] <... mmap resumed>) = 0x7fe89d140000 [pid 18754] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18753] <... futex resumed>) = 0 [pid 18756] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18755] <... clone resumed>, parent_tid=[18760], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18760 [pid 18754] <... futex resumed>) = 0 [pid 18753] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18757] <... close resumed>) = 0 [pid 18756] <... mprotect resumed>) = 0 [pid 18755] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18754] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18758] mkdir("./file0", 0777 [pid 18757] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18756] 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 18755] <... futex resumed>) = 0 [pid 18760] set_robust_list(0x7fe89d1609e0, 24 [pid 18758] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18757] <... futex resumed>) = 0 [pid 18755] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000}./strace-static-x86_64: Process 18759 attached [pid 18758] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18757] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18756] <... clone resumed>, parent_tid=[18761], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18761 [pid 18759] set_robust_list(0x7fe89d1609e0, 24 [pid 18758] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18757] <... mmap resumed>) = 0x7fe89d140000 [pid 18756] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18759] <... set_robust_list resumed>) = 0 [pid 18758] <... futex resumed>) = 1 [pid 18757] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18756] <... futex resumed>) = 0 [pid 18753] <... futex resumed>) = 0 [pid 18760] <... set_robust_list resumed>) = 0 [pid 18759] mkdir("./file0", 0777 [pid 18758] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18757] <... mprotect resumed>) = 0 [pid 18756] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18753] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 18761 attached [pid 18760] mkdir("./file0", 0777 [pid 18759] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18758] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18757] 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 18753] <... futex resumed>) = 0 [pid 18761] set_robust_list(0x7fe89d1609e0, 24 [pid 18759] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18758] pipe2( [pid 18753] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18761] <... set_robust_list resumed>) = 0 [pid 18760] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18759] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18758] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18757] <... clone resumed>, parent_tid=[18762], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18762 [pid 18761] mkdir("./file0", 0777 [pid 18760] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18759] <... futex resumed>) = 1 [pid 18758] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18757] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18754] <... futex resumed>) = 0 ./strace-static-x86_64: Process 18762 attached [pid 18761] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18760] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18759] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18758] <... futex resumed>) = 1 [pid 18757] <... futex resumed>) = 0 [pid 18754] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18753] <... futex resumed>) = 0 [pid 18762] set_robust_list(0x7fe89d1609e0, 24 [pid 18761] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18760] <... futex resumed>) = 1 [pid 18759] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18758] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18757] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18755] <... futex resumed>) = 0 [pid 18754] <... futex resumed>) = 0 [pid 18753] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18762] <... set_robust_list resumed>) = 0 [pid 18761] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18760] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18759] pipe2( [pid 18758] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18755] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18754] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18753] <... futex resumed>) = 0 [pid 18762] mkdir("./file0", 0777 [pid 18761] <... futex resumed>) = 1 [pid 18760] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18759] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18758] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18756] <... futex resumed>) = 0 [pid 18755] <... futex resumed>) = 0 [pid 18753] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18762] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18761] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18760] pipe2( [pid 18759] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18756] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18762] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18761] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18759] <... futex resumed>) = 1 [pid 18760] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18756] <... futex resumed>) = 0 [pid 18755] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18754] <... futex resumed>) = 0 [pid 18762] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18761] pipe2( [pid 18759] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18756] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18754] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18762] <... futex resumed>) = 1 [pid 18761] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18760] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18759] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18757] <... futex resumed>) = 0 [pid 18754] <... futex resumed>) = 0 [pid 18762] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18761] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18759] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18754] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18761] <... futex resumed>) = 1 [pid 18760] <... futex resumed>) = 1 [pid 18757] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18756] <... futex resumed>) = 0 [pid 18755] <... futex resumed>) = 0 [pid 18761] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18760] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18756] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18761] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18756] <... futex resumed>) = 0 [pid 18761] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18756] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18762] <... futex resumed>) = 0 [pid 18760] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18757] <... futex resumed>) = 1 [pid 18755] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18762] pipe2( [pid 18760] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18759] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18757] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18755] <... futex resumed>) = 0 [pid 18762] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18759] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18758] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18762] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18759] <... futex resumed>) = 1 [pid 18758] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18754] <... futex resumed>) = 0 [pid 18762] <... futex resumed>) = 0 [pid 18759] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18758] <... futex resumed>) = 1 [pid 18757] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18755] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18754] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18753] <... futex resumed>) = 0 [pid 18762] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18759] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18758] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18757] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18754] <... futex resumed>) = 0 [pid 18753] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18762] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18759] write(4, NULL, 126976 [pid 18758] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18757] <... futex resumed>) = 0 [pid 18754] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18753] <... futex resumed>) = 0 [pid 18762] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18761] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18759] <... write resumed>) = -1 EFAULT (Bad address) [pid 18758] write(4, NULL, 126976 [pid 18757] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18753] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18761] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18759] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18758] <... write resumed>) = -1 EFAULT (Bad address) [pid 18761] <... futex resumed>) = 1 [pid 18759] <... futex resumed>) = 1 [pid 18758] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18756] <... futex resumed>) = 0 [pid 18754] <... futex resumed>) = 0 [pid 18761] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18759] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18758] <... futex resumed>) = 1 [pid 18756] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18754] exit_group(0 [pid 18753] <... futex resumed>) = 0 [pid 18759] <... futex resumed>) = ? [pid 18758] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18756] <... futex resumed>) = 0 [pid 18754] <... exit_group resumed>) = ? [pid 18753] exit_group(0 [pid 18759] +++ exited with 0 +++ [pid 18758] <... futex resumed>) = ? [pid 18756] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18754] +++ exited with 0 +++ [pid 18753] <... exit_group resumed>) = ? [pid 18761] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18758] +++ exited with 0 +++ [pid 18753] +++ exited with 0 +++ [pid 3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18754, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 18761] write(4, NULL, 126976) = -1 EFAULT (Bad address) [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18753, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18761] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3610] restart_syscall(<... resuming interrupted clone ...> [pid 3609] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 18761] <... futex resumed>) = 1 [pid 18756] <... futex resumed>) = 0 [pid 3610] <... restart_syscall resumed>) = 0 [pid 3609] <... openat resumed>) = 3 [pid 18761] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18756] exit_group(0 [pid 3609] ioctl(3, LOOP_CLR_FD [pid 18761] <... futex resumed>) = ? [pid 18760] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18756] <... exit_group resumed>) = ? [pid 3609] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18762] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18761] +++ exited with 0 +++ [pid 18760] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18756] +++ exited with 0 +++ [pid 3609] close(3 [pid 18762] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18760] <... futex resumed>) = 1 [pid 18755] <... futex resumed>) = 0 [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18756, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3610] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 3609] <... close resumed>) = 0 [pid 18762] <... futex resumed>) = 1 [pid 18760] write(4, NULL, 126976 [pid 18757] <... futex resumed>) = 0 [pid 18755] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3610] <... openat resumed>) = 3 [pid 3609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18762] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18760] <... write resumed>) = -1 EFAULT (Bad address) [pid 18757] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18755] <... futex resumed>) = 0 [pid 3610] ioctl(3, LOOP_CLR_FD [pid 18762] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18760] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18757] <... futex resumed>) = 0 [pid 18755] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3611] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 3610] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3609] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18763 [pid 18762] write(4, NULL, 126976 [pid 18760] <... futex resumed>) = 0 [pid 18757] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18755] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3611] <... openat resumed>) = 3 [pid 3610] close(3 [pid 18762] <... write resumed>) = -1 EFAULT (Bad address) [pid 18760] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18755] exit_group(0 [pid 3611] ioctl(3, LOOP_CLR_FD [pid 3610] <... close resumed>) = 0 [pid 18762] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18760] <... futex resumed>) = ? [pid 18755] <... exit_group resumed>) = ? [pid 3611] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18762] <... futex resumed>) = 1 [pid 18757] <... futex resumed>) = 0 [pid 18762] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18757] exit_group(0 [pid 18762] <... futex resumed>) = ? [pid 18757] <... exit_group resumed>) = ? [pid 18762] +++ exited with 0 +++ [pid 18757] +++ exited with 0 +++ [pid 3611] close(3 [pid 18760] +++ exited with 0 +++ [pid 18755] +++ exited with 0 +++ [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18757, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3611] <... close resumed>) = 0 [pid 3610] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18764 [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3612] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18755, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- ./strace-static-x86_64: Process 18764 attached [pid 18764] set_robust_list(0x55555697d6e0, 24) = 0 [pid 18764] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3613] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 3612] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3613] <... openat resumed>) = 3 [pid 3613] ioctl(3, LOOP_CLR_FD [pid 3612] <... openat resumed>) = 3 [pid 3611] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18765 [pid 18764] <... prctl resumed>) = 0 [pid 3613] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3612] ioctl(3, LOOP_CLR_FD [pid 18764] setpgid(0, 0 [pid 3613] close(3 [pid 3612] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3613] <... close resumed>) = 0 [pid 3612] close(3 [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3612] <... close resumed>) = 0 [pid 18764] <... setpgid resumed>) = 0 [pid 18764] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 18765 attached ) = 3 [pid 3612] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18765] set_robust_list(0x55555697d6e0, 24 [pid 18764] write(3, "1000", 4 [pid 3613] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18766 [pid 18765] <... set_robust_list resumed>) = 0 [pid 18764] <... write resumed>) = 4 [pid 3612] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18767 [pid 18765] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18764] close(3 [pid 18765] <... prctl resumed>) = 0 [pid 18764] <... close resumed>) = 0 [pid 18765] setpgid(0, 0 [pid 18764] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18765] <... setpgid resumed>) = 0 [pid 18764] <... futex resumed>) = 0 ./strace-static-x86_64: Process 18767 attached ./strace-static-x86_64: Process 18766 attached [pid 18765] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18764] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18767] set_robust_list(0x55555697d6e0, 24 [pid 18765] <... openat resumed>) = 3 [pid 18764] <... mmap resumed>) = 0x7fe89d140000 [pid 18767] <... set_robust_list resumed>) = 0 [pid 18766] set_robust_list(0x55555697d6e0, 24 [pid 18765] write(3, "1000", 4 [pid 18764] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18767] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18766] <... set_robust_list resumed>) = 0 [pid 18765] <... write resumed>) = 4 [pid 18764] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 18763 attached [pid 18767] <... prctl resumed>) = 0 [pid 18766] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18765] close(3 [pid 18764] 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 18767] setpgid(0, 0 [pid 18766] <... prctl resumed>) = 0 [pid 18765] <... close resumed>) = 0 [pid 18767] <... setpgid resumed>) = 0 [pid 18765] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18764] <... clone resumed>, parent_tid=[18768], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18768 [pid 18763] set_robust_list(0x55555697d6e0, 24 [pid 18767] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18766] setpgid(0, 0 [pid 18765] <... futex resumed>) = 0 [pid 18764] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18763] <... set_robust_list resumed>) = 0 [pid 18767] <... openat resumed>) = 3 [pid 18766] <... setpgid resumed>) = 0 [pid 18765] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18764] <... futex resumed>) = 0 [pid 18767] write(3, "1000", 4 [pid 18766] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18765] <... mmap resumed>) = 0x7fe89d140000 [pid 18764] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18763] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18767] <... write resumed>) = 4 [pid 18765] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18767] close(3 [pid 18766] <... openat resumed>) = 3 [pid 18765] <... mprotect resumed>) = 0 [pid 18763] <... prctl resumed>) = 0 [pid 18767] <... close resumed>) = 0 [pid 18766] write(3, "1000", 4 [pid 18765] 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 18763] setpgid(0, 0 [pid 18767] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18766] <... write resumed>) = 4 [pid 18763] <... setpgid resumed>) = 0 [pid 18767] <... futex resumed>) = 0 [pid 18766] close(3 [pid 18765] <... clone resumed>, parent_tid=[18769], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18769 [pid 18767] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18765] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18766] <... close resumed>) = 0 [pid 18767] <... mmap resumed>) = 0x7fe89d140000 [pid 18766] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18765] <... futex resumed>) = 0 [pid 18763] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18767] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18766] <... futex resumed>) = 0 [pid 18765] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18767] <... mprotect resumed>) = 0 [pid 18766] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18763] <... openat resumed>) = 3 [pid 18767] 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 18766] <... mmap resumed>) = 0x7fe89d140000 [pid 18763] write(3, "1000", 4 [pid 18766] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18763] <... write resumed>) = 4 [pid 18767] <... clone resumed>, parent_tid=[18770], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18770 [pid 18766] <... mprotect resumed>) = 0 [pid 18763] close(3 [pid 18767] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 18769 attached [pid 18767] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18766] 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 18763] <... close resumed>) = 0 [pid 18769] set_robust_list(0x7fe89d1609e0, 24) = 0 [pid 18769] mkdir("./file0", 0777 [pid 18763] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 18770 attached ./strace-static-x86_64: Process 18768 attached [pid 18769] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18766] <... clone resumed>, parent_tid=[18771], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18771 [pid 18763] <... futex resumed>) = 0 [pid 18770] set_robust_list(0x7fe89d1609e0, 24 [pid 18769] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18768] set_robust_list(0x7fe89d1609e0, 24 [pid 18766] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18763] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18770] <... set_robust_list resumed>) = 0 [pid 18769] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18768] <... set_robust_list resumed>) = 0 [pid 18766] <... futex resumed>) = 0 [pid 18763] <... mmap resumed>) = 0x7fe89d140000 [pid 18770] mkdir("./file0", 0777 [pid 18769] <... futex resumed>) = 1 [pid 18766] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18765] <... futex resumed>) = 0 [pid 18763] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18768] mkdir("./file0", 0777 [pid 18770] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18769] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18768] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18765] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18763] <... mprotect resumed>) = 0 [pid 18770] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18769] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18765] <... futex resumed>) = 0 [pid 18763] 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 18770] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18769] pipe2( [pid 18768] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18765] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 18771 attached [pid 18770] <... futex resumed>) = 1 [pid 18769] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18767] <... futex resumed>) = 0 [pid 18770] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18769] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18768] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18767] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18763] <... clone resumed>, parent_tid=[18772], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18772 [pid 18771] set_robust_list(0x7fe89d1609e0, 24 [pid 18770] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18769] <... futex resumed>) = 1 [pid 18768] <... futex resumed>) = 1 [pid 18767] <... futex resumed>) = 0 [pid 18765] <... futex resumed>) = 0 [pid 18764] <... futex resumed>) = 0 [pid 18763] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 18772 attached [pid 18771] <... set_robust_list resumed>) = 0 [pid 18770] pipe2( [pid 18769] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18768] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18767] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18765] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18764] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18763] <... futex resumed>) = 0 [pid 18772] set_robust_list(0x7fe89d1609e0, 24 [pid 18771] mkdir("./file0", 0777 [pid 18770] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18769] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18768] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18765] <... futex resumed>) = 0 [pid 18764] <... futex resumed>) = 0 [pid 18763] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18772] <... set_robust_list resumed>) = 0 [pid 18771] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18770] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18769] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18768] pipe2( [pid 18765] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18764] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18772] mkdir("./file0", 0777 [pid 18771] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18770] <... futex resumed>) = 1 [pid 18768] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18767] <... futex resumed>) = 0 [pid 18772] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18771] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18770] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18768] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18767] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18772] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18771] <... futex resumed>) = 1 [pid 18770] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18768] <... futex resumed>) = 1 [pid 18767] <... futex resumed>) = 0 [pid 18766] <... futex resumed>) = 0 [pid 18764] <... futex resumed>) = 0 [pid 18772] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18771] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18770] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18768] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18767] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18766] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18764] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18771] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18768] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18766] <... futex resumed>) = 0 [pid 18771] pipe2( [pid 18768] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18766] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18771] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18771] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 18766] <... futex resumed>) = 0 [pid 18772] <... futex resumed>) = 1 [pid 18771] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18766] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18764] <... futex resumed>) = 0 [pid 18763] <... futex resumed>) = 0 [pid 18771] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18766] <... futex resumed>) = 0 [pid 18763] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18771] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18766] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18763] <... futex resumed>) = 0 [pid 18763] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18772] pipe2( [pid 18764] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18772] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18772] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18769] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18772] <... futex resumed>) = 1 [pid 18769] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18763] <... futex resumed>) = 0 [pid 18772] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18769] <... futex resumed>) = 1 [pid 18765] <... futex resumed>) = 0 [pid 18763] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18772] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18769] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18765] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18763] <... futex resumed>) = 0 [pid 18772] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18769] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18765] <... futex resumed>) = 0 [pid 18763] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18769] write(4, NULL, 126976 [pid 18765] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18770] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18769] <... write resumed>) = -1 EFAULT (Bad address) [pid 18770] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18769] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18770] <... futex resumed>) = 1 [pid 18769] <... futex resumed>) = 1 [pid 18767] <... futex resumed>) = 0 [pid 18765] <... futex resumed>) = 0 [pid 18770] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18769] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18767] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18765] exit_group(0 [pid 18770] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18769] <... futex resumed>) = ? [pid 18767] <... futex resumed>) = 0 [pid 18765] <... exit_group resumed>) = ? [pid 18772] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18771] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18770] write(4, NULL, 126976 [pid 18769] +++ exited with 0 +++ [pid 18767] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18765] +++ exited with 0 +++ [pid 18772] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18770] <... write resumed>) = -1 EFAULT (Bad address) [pid 18772] <... futex resumed>) = 1 [pid 18770] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18763] <... futex resumed>) = 0 [pid 18772] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18771] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18770] <... futex resumed>) = 1 [pid 18768] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18767] <... futex resumed>) = 0 [pid 18763] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18765, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18772] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18771] <... futex resumed>) = 1 [pid 18770] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18768] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18767] exit_group(0 [pid 18766] <... futex resumed>) = 0 [pid 18763] <... futex resumed>) = 0 [pid 3611] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 18772] write(4, NULL, 126976 [pid 18771] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18770] <... futex resumed>) = ? [pid 18768] <... futex resumed>) = 1 [pid 18767] <... exit_group resumed>) = ? [pid 18766] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18764] <... futex resumed>) = 0 [pid 18763] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18772] <... write resumed>) = -1 EFAULT (Bad address) [pid 18771] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18770] +++ exited with 0 +++ [pid 18768] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18767] +++ exited with 0 +++ [pid 18766] <... futex resumed>) = 0 [pid 18764] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] <... openat resumed>) = 3 [pid 18772] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18771] write(4, NULL, 126976 [pid 18768] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18766] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18764] <... futex resumed>) = 0 [pid 3611] ioctl(3, LOOP_CLR_FD [pid 18772] <... futex resumed>) = 1 [pid 18771] <... write resumed>) = -1 EFAULT (Bad address) [pid 18768] write(4, NULL, 126976 [pid 18764] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18763] <... futex resumed>) = 0 [pid 3612] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18767, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3611] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18772] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18771] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18768] <... write resumed>) = -1 EFAULT (Bad address) [pid 18763] exit_group(0 [pid 3612] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3611] close(3 [pid 18772] <... futex resumed>) = ? [pid 18771] <... futex resumed>) = 1 [pid 18768] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18766] <... futex resumed>) = 0 [pid 18763] <... exit_group resumed>) = ? [pid 18772] +++ exited with 0 +++ [pid 18771] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18768] <... futex resumed>) = 1 [pid 18766] exit_group(0 [pid 18764] <... futex resumed>) = 0 [pid 18763] +++ exited with 0 +++ [pid 3612] <... openat resumed>) = 3 [pid 3611] <... close resumed>) = 0 [pid 18771] <... futex resumed>) = ? [pid 18768] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18766] <... exit_group resumed>) = ? [pid 18764] exit_group(0 [pid 3612] ioctl(3, LOOP_CLR_FD [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18763, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18771] +++ exited with 0 +++ [pid 18764] <... exit_group resumed>) = ? [pid 3609] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 18766] +++ exited with 0 +++ [pid 3609] <... openat resumed>) = 3 [pid 3609] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 3612] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3609] close(3./strace-static-x86_64: Process 18773 attached [pid 18768] <... futex resumed>) = ? [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18766, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3612] close(3 [pid 3609] <... close resumed>) = 0 [pid 18773] set_robust_list(0x55555697d6e0, 24 [pid 18768] +++ exited with 0 +++ [pid 18764] +++ exited with 0 +++ [pid 3613] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 3612] <... close resumed>) = 0 [pid 3611] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18773 [pid 3609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18773] <... set_robust_list resumed>) = 0 [pid 3613] <... openat resumed>) = 3 [pid 3612] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18764, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18773] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3613] ioctl(3, LOOP_CLR_FD [pid 18773] <... prctl resumed>) = 0 [pid 3613] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3612] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18775 [pid 3609] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18774 [pid 18773] setpgid(0, 0 [pid 3613] close(3 [pid 18773] <... setpgid resumed>) = 0 [pid 3613] <... close resumed>) = 0 [pid 18773] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18773] <... openat resumed>) = 3 [pid 3610] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 18773] write(3, "1000", 4 [pid 3613] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18776 [pid 3610] <... openat resumed>) = 3 ./strace-static-x86_64: Process 18775 attached [pid 18773] <... write resumed>) = 4 [pid 3610] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 18774 attached [pid 18775] set_robust_list(0x55555697d6e0, 24 [pid 18773] close(3 [pid 3610] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18773] <... close resumed>) = 0 [pid 3610] close(3./strace-static-x86_64: Process 18776 attached [pid 18775] <... set_robust_list resumed>) = 0 [pid 18774] set_robust_list(0x55555697d6e0, 24 [pid 18773] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3610] <... close resumed>) = 0 [pid 18776] set_robust_list(0x55555697d6e0, 24 [pid 18775] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18774] <... set_robust_list resumed>) = 0 [pid 18773] <... futex resumed>) = 0 [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18776] <... set_robust_list resumed>) = 0 [pid 18775] <... prctl resumed>) = 0 [pid 18774] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18773] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18776] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18775] setpgid(0, 0 [pid 18774] <... prctl resumed>) = 0 [pid 18773] <... mmap resumed>) = 0x7fe89d140000 [pid 3610] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18777 ./strace-static-x86_64: Process 18777 attached [pid 18776] <... prctl resumed>) = 0 [pid 18775] <... setpgid resumed>) = 0 [pid 18774] setpgid(0, 0 [pid 18773] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18776] setpgid(0, 0 [pid 18775] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18774] <... setpgid resumed>) = 0 [pid 18773] <... mprotect resumed>) = 0 [pid 18777] set_robust_list(0x55555697d6e0, 24 [pid 18776] <... setpgid resumed>) = 0 [pid 18775] <... openat resumed>) = 3 [pid 18774] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18773] 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 18777] <... set_robust_list resumed>) = 0 [pid 18776] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18775] write(3, "1000", 4 [pid 18774] <... openat resumed>) = 3 [pid 18776] <... openat resumed>) = 3 [pid 18773] <... clone resumed>, parent_tid=[18778], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18778 [pid 18776] write(3, "1000", 4 [pid 18773] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18776] <... write resumed>) = 4 [pid 18773] <... futex resumed>) = 0 [pid 18776] close(3 [pid 18773] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18776] <... close resumed>) = 0 [pid 18776] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18777] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18776] <... futex resumed>) = 0 [pid 18775] <... write resumed>) = 4 [pid 18774] write(3, "1000", 4./strace-static-x86_64: Process 18778 attached [pid 18777] <... prctl resumed>) = 0 [pid 18776] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18775] close(3 [pid 18774] <... write resumed>) = 4 [pid 18778] set_robust_list(0x7fe89d1609e0, 24 [pid 18777] setpgid(0, 0 [pid 18776] <... mmap resumed>) = 0x7fe89d140000 [pid 18775] <... close resumed>) = 0 [pid 18774] close(3 [pid 18778] <... set_robust_list resumed>) = 0 [pid 18777] <... setpgid resumed>) = 0 [pid 18776] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18775] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18774] <... close resumed>) = 0 [pid 18778] mkdir("./file0", 0777 [pid 18777] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18776] <... mprotect resumed>) = 0 [pid 18775] <... futex resumed>) = 0 [pid 18774] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18778] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18777] <... openat resumed>) = 3 [pid 18776] 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 18775] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18774] <... futex resumed>) = 0 ./strace-static-x86_64: Process 18779 attached [pid 18778] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18777] write(3, "1000", 4 [pid 18775] <... mmap resumed>) = 0x7fe89d140000 [pid 18774] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18779] set_robust_list(0x7fe89d1609e0, 24 [pid 18778] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18777] <... write resumed>) = 4 [pid 18776] <... clone resumed>, parent_tid=[18779], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18779 [pid 18775] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18774] <... mmap resumed>) = 0x7fe89d140000 [pid 18779] <... set_robust_list resumed>) = 0 [pid 18778] <... futex resumed>) = 1 [pid 18777] close(3 [pid 18776] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18775] <... mprotect resumed>) = 0 [pid 18774] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18773] <... futex resumed>) = 0 [pid 18779] mkdir("./file0", 0777 [pid 18778] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18777] <... close resumed>) = 0 [pid 18776] <... futex resumed>) = 0 [pid 18775] 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 18774] <... mprotect resumed>) = 0 [pid 18773] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 18780 attached [pid 18779] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18778] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18777] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18776] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18774] 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 18773] <... futex resumed>) = 0 ./strace-static-x86_64: Process 18781 attached [pid 18780] set_robust_list(0x7fe89d1609e0, 24 [pid 18779] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18778] pipe2( [pid 18777] <... futex resumed>) = 0 [pid 18775] <... clone resumed>, parent_tid=[18780], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18780 [pid 18773] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18781] set_robust_list(0x7fe89d1609e0, 24 [pid 18780] <... set_robust_list resumed>) = 0 [pid 18779] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18778] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18777] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18775] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18774] <... clone resumed>, parent_tid=[18781], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18781 [pid 18781] <... set_robust_list resumed>) = 0 [pid 18780] mkdir("./file0", 0777 [pid 18779] <... futex resumed>) = 1 [pid 18778] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18777] <... mmap resumed>) = 0x7fe89d140000 [pid 18776] <... futex resumed>) = 0 [pid 18775] <... futex resumed>) = 0 [pid 18774] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18781] mkdir("./file0", 0777 [pid 18780] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18779] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18778] <... futex resumed>) = 1 [pid 18777] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18776] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18775] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18774] <... futex resumed>) = 0 [pid 18773] <... futex resumed>) = 0 [pid 18781] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18780] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18779] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18778] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18777] <... mprotect resumed>) = 0 [pid 18776] <... futex resumed>) = 0 [pid 18774] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18773] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18781] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18780] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18779] pipe2( [pid 18778] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18777] 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 18776] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18773] <... futex resumed>) = 0 ./strace-static-x86_64: Process 18782 attached [pid 18781] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18780] <... futex resumed>) = 1 [pid 18779] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18778] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18775] <... futex resumed>) = 0 [pid 18773] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18782] set_robust_list(0x7fe89d1609e0, 24 [pid 18781] <... futex resumed>) = 1 [pid 18780] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18779] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18777] <... clone resumed>, parent_tid=[18782], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18782 [pid 18775] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18774] <... futex resumed>) = 0 [pid 18781] pipe2( [pid 18780] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18779] <... futex resumed>) = 1 [pid 18777] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18776] <... futex resumed>) = 0 [pid 18775] <... futex resumed>) = 0 [pid 18774] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18781] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18780] pipe2( [pid 18779] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18777] <... futex resumed>) = 0 [pid 18776] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18775] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18774] <... futex resumed>) = 0 [pid 18776] <... futex resumed>) = 0 [pid 18776] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18782] <... set_robust_list resumed>) = 0 [pid 18781] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18780] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18777] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18774] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18782] mkdir("./file0", 0777 [pid 18781] <... futex resumed>) = 0 [pid 18780] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18778] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18774] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18782] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18778] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18782] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18778] <... futex resumed>) = 1 [pid 18773] <... futex resumed>) = 0 [pid 18782] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18778] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18773] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18782] <... futex resumed>) = 1 [pid 18781] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18780] <... futex resumed>) = 1 [pid 18778] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18777] <... futex resumed>) = 0 [pid 18775] <... futex resumed>) = 0 [pid 18774] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18773] <... futex resumed>) = 0 [pid 18782] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18780] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18778] write(4, NULL, 126976 [pid 18777] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18775] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18774] <... futex resumed>) = 0 [pid 18773] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18782] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18780] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18778] <... write resumed>) = -1 EFAULT (Bad address) [pid 18782] pipe2( [pid 18778] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18777] <... futex resumed>) = 0 [pid 18775] <... futex resumed>) = 0 [pid 18774] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18782] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18780] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18778] <... futex resumed>) = 1 [pid 18777] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18775] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18773] <... futex resumed>) = 0 [pid 18782] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18778] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18777] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18773] exit_group(0 [pid 18782] <... futex resumed>) = 0 [pid 18779] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18778] <... futex resumed>) = ? [pid 18777] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18773] <... exit_group resumed>) = ? [pid 18782] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18779] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18778] +++ exited with 0 +++ [pid 18777] <... futex resumed>) = 0 [pid 18773] +++ exited with 0 +++ [pid 18781] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18779] <... futex resumed>) = 1 [pid 18777] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18776] <... futex resumed>) = 0 [pid 18781] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18780] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18779] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18776] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18773, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 18781] <... futex resumed>) = 1 [pid 18780] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18779] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18776] <... futex resumed>) = 0 [pid 18774] <... futex resumed>) = 0 [pid 3611] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 18782] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18781] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18780] <... futex resumed>) = 1 [pid 18779] write(4, NULL, 126976 [pid 18776] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18775] <... futex resumed>) = 0 [pid 18774] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] <... openat resumed>) = 3 [pid 18782] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18781] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18780] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18779] <... write resumed>) = -1 EFAULT (Bad address) [pid 18775] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18774] <... futex resumed>) = 0 [pid 3611] ioctl(3, LOOP_CLR_FD [pid 18782] <... futex resumed>) = 1 [pid 18781] write(4, NULL, 126976 [pid 18780] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18779] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18777] <... futex resumed>) = 0 [pid 18775] <... futex resumed>) = 0 [pid 18774] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3611] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18782] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18781] <... write resumed>) = -1 EFAULT (Bad address) [pid 18780] write(4, NULL, 126976 [pid 18779] <... futex resumed>) = 1 [pid 18777] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18776] <... futex resumed>) = 0 [pid 18775] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3611] close(3 [pid 18782] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18781] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18780] <... write resumed>) = -1 EFAULT (Bad address) [pid 18779] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18777] <... futex resumed>) = 0 [pid 18776] exit_group(0 [pid 3611] <... close resumed>) = 0 [pid 18782] write(4, NULL, 126976 [pid 18781] <... futex resumed>) = 1 [pid 18780] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18779] <... futex resumed>) = ? [pid 18777] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18776] <... exit_group resumed>) = ? [pid 18774] <... futex resumed>) = 0 [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18783 attached [pid 18782] <... write resumed>) = -1 EFAULT (Bad address) [pid 18781] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18780] <... futex resumed>) = 1 [pid 18779] +++ exited with 0 +++ [pid 18776] +++ exited with 0 +++ [pid 18775] <... futex resumed>) = 0 [pid 18774] exit_group(0 [pid 18783] set_robust_list(0x55555697d6e0, 24 [pid 18782] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18781] <... futex resumed>) = ? [pid 18780] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18775] exit_group(0 [pid 18774] <... exit_group resumed>) = ? [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18776, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3611] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18783 [pid 18783] <... set_robust_list resumed>) = 0 [pid 18782] <... futex resumed>) = 1 [pid 18781] +++ exited with 0 +++ [pid 18780] <... futex resumed>) = ? [pid 18777] <... futex resumed>) = 0 [pid 18775] <... exit_group resumed>) = ? [pid 18783] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18782] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18780] +++ exited with 0 +++ [pid 18777] exit_group(0 [pid 18774] +++ exited with 0 +++ [pid 18783] <... prctl resumed>) = 0 [pid 18783] setpgid(0, 0) = 0 [pid 18783] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 18782] <... futex resumed>) = ? [pid 18777] <... exit_group resumed>) = ? [pid 18775] +++ exited with 0 +++ [pid 3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18774, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18782] +++ exited with 0 +++ [pid 18783] write(3, "1000", 4) = 4 [pid 18783] close(3) = 0 [pid 18783] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 18783] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe89d140000 [pid 18783] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18777] +++ exited with 0 +++ [pid 18783] <... mprotect resumed>) = 0 [pid 3612] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18775, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18777, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 18783] 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(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3610] restart_syscall(<... resuming interrupted clone ...> [pid 3613] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 3612] <... openat resumed>) = 3 [pid 3610] <... restart_syscall resumed>) = 0 [pid 3613] <... openat resumed>) = 3 [pid 3612] ioctl(3, LOOP_CLR_FD [pid 3613] ioctl(3, LOOP_CLR_FD [pid 3612] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3609] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 3613] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3612] close(3./strace-static-x86_64: Process 18784 attached [pid 3613] close(3 [pid 3609] <... openat resumed>) = 3 [pid 3612] <... close resumed>) = 0 [pid 3610] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 3613] <... close resumed>) = 0 [pid 3609] ioctl(3, LOOP_CLR_FD [pid 18784] set_robust_list(0x7fe89d1609e0, 24) = 0 [pid 18784] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18783] <... clone resumed>, parent_tid=[18784], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18784 [pid 18783] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 18783] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18784] <... futex resumed>) = 0 [pid 18784] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 18784] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18784] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 18783] <... futex resumed>) = 0 [pid 18783] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 18783] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18784] pipe2([3, 4], 0) = 0 [pid 18784] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 18783] <... futex resumed>) = 0 [pid 18783] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 18783] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18784] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [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 3610] <... openat resumed>) = 3 [pid 3609] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3610] ioctl(3, LOOP_CLR_FD [pid 3609] close(3 [pid 3613] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18786 [pid 3612] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18785 [pid 3610] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3609] <... close resumed>) = 0 [pid 3609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3610] close(3) = 0 [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3609] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18787 [pid 3610] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18788 ./strace-static-x86_64: Process 18786 attached [pid 18786] set_robust_list(0x55555697d6e0, 24) = 0 ./strace-static-x86_64: Process 18787 attached [pid 18786] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 18786] setpgid(0, 0 [pid 18787] set_robust_list(0x55555697d6e0, 24 [pid 18786] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 18788 attached [pid 18787] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 18785 attached [pid 18788] set_robust_list(0x55555697d6e0, 24 [pid 18787] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18786] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18788] <... set_robust_list resumed>) = 0 [pid 18787] <... prctl resumed>) = 0 [pid 18786] <... openat resumed>) = 3 [pid 18785] set_robust_list(0x55555697d6e0, 24 [pid 18788] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18787] setpgid(0, 0 [pid 18786] write(3, "1000", 4 [pid 18785] <... set_robust_list resumed>) = 0 [pid 18785] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 18785] setpgid(0, 0) = 0 [pid 18785] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 18785] write(3, "1000", 4) = 4 [pid 18786] <... write resumed>) = 4 [pid 18785] close(3 [pid 18788] <... prctl resumed>) = 0 [pid 18787] <... setpgid resumed>) = 0 [pid 18786] close(3 [pid 18785] <... close resumed>) = 0 [pid 18788] setpgid(0, 0 [pid 18787] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18786] <... close resumed>) = 0 [pid 18785] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18788] <... setpgid resumed>) = 0 [pid 18787] <... openat resumed>) = 3 [pid 18786] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18785] <... futex resumed>) = 0 [pid 18788] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18787] write(3, "1000", 4 [pid 18786] <... futex resumed>) = 0 [pid 18785] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe89d140000 [pid 18785] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 18785] 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=[18789], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18789 [pid 18784] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18785] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18784] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18785] <... futex resumed>) = 0 [pid 18787] <... write resumed>) = 4 [pid 18786] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18784] <... futex resumed>) = 0 [pid 18783] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 18788] <... openat resumed>) = 3 [pid 18787] close(3 [pid 18786] <... mmap resumed>) = 0x7fe89d140000 [pid 18785] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18784] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18783] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18788] write(3, "1000", 4 [pid 18787] <... close resumed>) = 0 [pid 18786] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18784] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18783] <... futex resumed>) = 0 [pid 18788] <... write resumed>) = 4 [pid 18787] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18786] <... mprotect resumed>) = 0 [pid 18784] write(4, NULL, 126976 [pid 18783] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18788] close(3 [pid 18787] <... futex resumed>) = 0 [pid 18786] 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 18788] <... close resumed>) = 0 [pid 18787] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18784] <... write resumed>) = -1 EFAULT (Bad address) ./strace-static-x86_64: Process 18790 attached ./strace-static-x86_64: Process 18789 attached [pid 18788] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18787] <... mmap resumed>) = 0x7fe89d140000 [pid 18784] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18788] <... futex resumed>) = 0 [pid 18787] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18786] <... clone resumed>, parent_tid=[18790], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18790 [pid 18784] <... futex resumed>) = 1 [pid 18783] <... futex resumed>) = 0 [pid 18788] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18787] <... mprotect resumed>) = 0 [pid 18786] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18784] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18783] exit_group(0 [pid 18788] <... mmap resumed>) = 0x7fe89d140000 [pid 18787] 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 18788] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18786] <... futex resumed>) = 0 [pid 18784] <... futex resumed>) = ? [pid 18783] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 18791 attached [pid 18790] set_robust_list(0x7fe89d1609e0, 24 [pid 18789] set_robust_list(0x7fe89d1609e0, 24 [pid 18791] set_robust_list(0x7fe89d1609e0, 24 [pid 18790] <... set_robust_list resumed>) = 0 [pid 18789] <... set_robust_list resumed>) = 0 [pid 18788] <... mprotect resumed>) = 0 [pid 18787] <... clone resumed>, parent_tid=[18791], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18791 [pid 18786] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18791] <... set_robust_list resumed>) = 0 [pid 18790] mkdir("./file0", 0777 [pid 18789] mkdir("./file0", 0777 [pid 18791] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18790] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18789] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18790] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18789] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18784] +++ exited with 0 +++ [pid 18788] 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 18783] +++ exited with 0 +++ [pid 18787] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18790] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18789] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18790] <... futex resumed>) = 1 [pid 18789] <... futex resumed>) = 1 [pid 18785] <... futex resumed>) = 0 [pid 18791] <... futex resumed>) = 0 [pid 18787] <... futex resumed>) = 1 [pid 18786] <... futex resumed>) = 0 [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18783, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 18791] mkdir("./file0", 0777 [pid 18790] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18789] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18788] <... clone resumed>, parent_tid=[18792], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18792 [pid 18787] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18786] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18785] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18791] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18790] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18789] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18788] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18786] <... futex resumed>) = 0 ./strace-static-x86_64: Process 18792 attached [pid 18791] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18790] pipe2( [pid 18789] pipe2( [pid 18788] <... futex resumed>) = 0 [pid 18786] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18785] <... futex resumed>) = 0 [pid 18792] set_robust_list(0x7fe89d1609e0, 24 [pid 18791] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18790] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18789] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18788] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18785] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3611] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 18792] <... set_robust_list resumed>) = 0 [pid 18791] <... futex resumed>) = 1 [pid 18790] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18789] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18787] <... futex resumed>) = 0 [pid 18785] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18792] mkdir("./file0", 0777 [pid 18791] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18790] <... futex resumed>) = 1 [pid 18789] <... futex resumed>) = 0 [pid 18787] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18786] <... futex resumed>) = 0 [pid 18785] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] <... openat resumed>) = 3 [pid 18792] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18791] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18790] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18789] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18787] <... futex resumed>) = 0 [pid 18786] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18785] <... futex resumed>) = 0 [pid 3611] ioctl(3, LOOP_CLR_FD [pid 18792] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18791] pipe2( [pid 18790] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18787] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18786] <... futex resumed>) = 0 [pid 18785] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3611] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18792] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18791] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18790] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18786] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3611] close(3 [pid 18792] <... futex resumed>) = 1 [pid 18791] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18789] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18788] <... futex resumed>) = 0 [pid 3611] <... close resumed>) = 0 [pid 18792] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18791] <... futex resumed>) = 1 [pid 18789] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18788] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18787] <... futex resumed>) = 0 [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18792] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18791] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18789] <... futex resumed>) = 1 [pid 18788] <... futex resumed>) = 0 [pid 18787] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18785] <... futex resumed>) = 0 ./strace-static-x86_64: Process 18793 attached [pid 18792] pipe2( [pid 18790] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18789] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18788] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18787] <... futex resumed>) = 0 [pid 18785] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18793] set_robust_list(0x55555697d6e0, 24 [pid 18792] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18790] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18789] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18787] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18785] <... futex resumed>) = 0 [pid 3611] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18793 [pid 18793] <... set_robust_list resumed>) = 0 [pid 18792] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18790] <... futex resumed>) = 1 [pid 18789] write(4, NULL, 126976 [pid 18786] <... futex resumed>) = 0 [pid 18785] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18793] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18792] <... futex resumed>) = 1 [pid 18790] write(4, NULL, 126976 [pid 18789] <... write resumed>) = -1 EFAULT (Bad address) [pid 18788] <... futex resumed>) = 0 [pid 18786] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18793] <... prctl resumed>) = 0 [pid 18792] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18789] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18788] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18793] setpgid(0, 0 [pid 18792] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18789] <... futex resumed>) = 1 [pid 18788] <... futex resumed>) = 0 [pid 18786] <... futex resumed>) = 0 [pid 18785] <... futex resumed>) = 0 [pid 18793] <... setpgid resumed>) = 0 [pid 18792] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18790] <... write resumed>) = -1 EFAULT (Bad address) [pid 18789] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18788] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18786] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18785] exit_group(0 [pid 18793] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18791] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18790] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18786] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18785] <... exit_group resumed>) = ? [pid 18791] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18790] <... futex resumed>) = 0 [pid 18789] <... futex resumed>) = ? [pid 18786] exit_group(0 [pid 18793] <... openat resumed>) = 3 [pid 18791] <... futex resumed>) = 1 [pid 18787] <... futex resumed>) = 0 [pid 18786] <... exit_group resumed>) = ? [pid 18793] write(3, "1000", 4 [pid 18791] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18790] +++ exited with 0 +++ [pid 18789] +++ exited with 0 +++ [pid 18787] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18786] +++ exited with 0 +++ [pid 18785] +++ exited with 0 +++ [pid 18793] <... write resumed>) = 4 [pid 18791] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18787] <... futex resumed>) = 0 [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18786, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3612] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18785, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18793] close(3 [pid 18791] write(4, NULL, 126976 [pid 18787] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18793] <... close resumed>) = 0 [pid 18791] <... write resumed>) = -1 EFAULT (Bad address) [pid 18793] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18792] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18791] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3613] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 3612] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 18793] <... futex resumed>) = 0 [pid 18792] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18791] <... futex resumed>) = 1 [pid 18787] <... futex resumed>) = 0 [pid 3613] <... openat resumed>) = 3 [pid 3612] <... openat resumed>) = 3 [pid 18793] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18791] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18787] exit_group(0 [pid 3613] ioctl(3, LOOP_CLR_FD [pid 3612] ioctl(3, LOOP_CLR_FD [pid 18793] <... mmap resumed>) = 0x7fe89d140000 [pid 18792] <... futex resumed>) = 1 [pid 18791] <... futex resumed>) = ? [pid 18788] <... futex resumed>) = 0 [pid 18787] <... exit_group resumed>) = ? [pid 3613] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3612] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18793] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18792] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18791] +++ exited with 0 +++ [pid 18788] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18793] <... mprotect resumed>) = 0 [pid 18792] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18788] <... futex resumed>) = 0 [pid 18793] 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 18792] write(4, NULL, 126976 [pid 18788] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18792] <... write resumed>) = -1 EFAULT (Bad address) [pid 18787] +++ exited with 0 +++ [pid 3613] close(3 [pid 3612] close(3 [pid 18793] <... clone resumed>, parent_tid=[18794], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18794 [pid 18792] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3613] <... close resumed>) = 0 [pid 3612] <... close resumed>) = 0 [pid 18793] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18792] <... futex resumed>) = 1 [pid 18788] <... futex resumed>) = 0 [pid 3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18787, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18793] <... futex resumed>) = 0 [pid 18792] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18788] exit_group(0 [pid 18793] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18792] <... futex resumed>) = ? [pid 18788] <... exit_group resumed>) = ? [pid 18792] +++ exited with 0 +++ [pid 18788] +++ exited with 0 +++ ./strace-static-x86_64: Process 18794 attached [pid 18794] set_robust_list(0x7fe89d1609e0, 24) = 0 [pid 18794] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 18794] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18794] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18793] <... futex resumed>) = 0 [pid 18793] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 18793] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18794] <... futex resumed>) = 1 [pid 18794] pipe2([3, 4], 0) = 0 [pid 18794] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18793] <... futex resumed>) = 0 [pid 18793] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 18793] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18794] <... futex resumed>) = 1 [pid 18794] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18788, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3612] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3609] restart_syscall(<... resuming interrupted clone ...> [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3609] <... restart_syscall resumed>) = 0 [pid 3612] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18795 [pid 3610] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 3613] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18796 [pid 3610] <... openat resumed>) = 3 [pid 3609] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 3610] ioctl(3, LOOP_CLR_FD [pid 3609] <... openat resumed>) = 3 [pid 3610] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3609] ioctl(3, LOOP_CLR_FD [pid 3610] close(3 [pid 3609] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3610] <... close resumed>) = 0 [pid 3609] close(3 [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3609] <... close resumed>) = 0 [pid 3609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18795 attached [pid 18795] set_robust_list(0x55555697d6e0, 24 [pid 3610] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18798 [pid 3609] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18797 [pid 18795] <... set_robust_list resumed>) = 0 [pid 18795] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 18798 attached ./strace-static-x86_64: Process 18796 attached ) = 0 [pid 18795] setpgid(0, 0) = 0 [pid 18795] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18798] set_robust_list(0x55555697d6e0, 24 [pid 18795] <... openat resumed>) = 3 [pid 18796] set_robust_list(0x55555697d6e0, 24 [pid 18798] <... set_robust_list resumed>) = 0 [pid 18796] <... set_robust_list resumed>) = 0 [pid 18795] write(3, "1000", 4./strace-static-x86_64: Process 18797 attached ) = 4 [pid 18796] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18795] close(3 [pid 18798] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18797] set_robust_list(0x55555697d6e0, 24 [pid 18796] <... prctl resumed>) = 0 [pid 18797] <... set_robust_list resumed>) = 0 [pid 18795] <... close resumed>) = 0 [pid 18798] <... prctl resumed>) = 0 [pid 18796] setpgid(0, 0 [pid 18798] setpgid(0, 0 [pid 18796] <... setpgid resumed>) = 0 [pid 18798] <... setpgid resumed>) = 0 [pid 18797] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18796] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18795] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18798] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18797] <... prctl resumed>) = 0 [pid 18795] <... futex resumed>) = 0 [pid 18797] setpgid(0, 0 [pid 18796] <... openat resumed>) = 3 [pid 18795] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18798] <... openat resumed>) = 3 [pid 18797] <... setpgid resumed>) = 0 [pid 18795] <... mmap resumed>) = 0x7fe89d140000 [pid 18796] write(3, "1000", 4 [pid 18798] write(3, "1000", 4 [pid 18797] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18795] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18796] <... write resumed>) = 4 [pid 18798] <... write resumed>) = 4 [pid 18797] <... openat resumed>) = 3 [pid 18796] close(3 [pid 18795] <... mprotect resumed>) = 0 [pid 18798] close(3 [pid 18797] write(3, "1000", 4 [pid 18796] <... close resumed>) = 0 [pid 18795] 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 18794] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18798] <... close resumed>) = 0 [pid 18797] <... write resumed>) = 4 [pid 18796] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18794] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18798] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18797] close(3 [pid 18796] <... futex resumed>) = 0 [pid 18795] <... clone resumed>, parent_tid=[18799], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18799 [pid 18794] <... futex resumed>) = 1 [pid 18793] <... futex resumed>) = 0 [pid 18797] <... close resumed>) = 0 [pid 18795] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18794] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18793] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18797] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18795] <... futex resumed>) = 0 [pid 18794] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18793] <... futex resumed>) = 0 [pid 18797] <... futex resumed>) = 0 [pid 18795] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18794] write(4, NULL, 126976 [pid 18793] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18797] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18794] <... write resumed>) = -1 EFAULT (Bad address) [pid 18797] <... mmap resumed>) = 0x7fe89d140000 [pid 18794] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18797] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18794] <... futex resumed>) = 1 [pid 18793] <... futex resumed>) = 0 [pid 18797] <... mprotect resumed>) = 0 [pid 18794] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18793] exit_group(0 [pid 18797] 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 18794] <... futex resumed>) = ? [pid 18793] <... exit_group resumed>) = ? [pid 18798] <... futex resumed>) = 0 [pid 18796] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18794] +++ exited with 0 +++ [pid 18793] +++ exited with 0 +++ [pid 18798] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18797] <... clone resumed>, parent_tid=[18800], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18800 [pid 18796] <... mmap resumed>) = 0x7fe89d140000 ./strace-static-x86_64: Process 18799 attached [pid 18798] <... mmap resumed>) = 0x7fe89d140000 [pid 18797] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18796] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18799] set_robust_list(0x7fe89d1609e0, 24 [pid 18798] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18797] <... futex resumed>) = 0 [pid 18796] <... mprotect resumed>) = 0 [pid 18799] <... set_robust_list resumed>) = 0 [pid 18798] <... mprotect resumed>) = 0 [pid 18797] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18793, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18799] mkdir("./file0", 0777 [pid 18798] 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 18796] 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] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 18799] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3611] <... openat resumed>) = 3 [pid 18798] <... clone resumed>, parent_tid=[18801], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18801 [pid 18796] <... clone resumed>, parent_tid=[18802], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18802 [pid 3611] ioctl(3, LOOP_CLR_FD [pid 18798] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18796] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18798] <... futex resumed>) = 0 [pid 18796] <... futex resumed>) = 0 [pid 3611] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18798] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18796] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 3611] close(3./strace-static-x86_64: Process 18802 attached ./strace-static-x86_64: Process 18800 attached [pid 18799] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3611] <... close resumed>) = 0 [pid 18802] set_robust_list(0x7fe89d1609e0, 24 [pid 18800] set_robust_list(0x7fe89d1609e0, 24 [pid 18799] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18802] <... set_robust_list resumed>) = 0 [pid 18800] <... set_robust_list resumed>) = 0 [pid 18799] <... futex resumed>) = 1 [pid 18795] <... futex resumed>) = 0 [pid 18802] mkdir("./file0", 0777 [pid 18800] mkdir("./file0", 0777 [pid 18799] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18795] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18802] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18800] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18799] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18795] <... futex resumed>) = 0 [pid 18802] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18800] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18799] pipe2( [pid 18795] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3611] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18803 [pid 18802] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18800] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18799] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18802] <... futex resumed>) = 1 [pid 18800] <... futex resumed>) = 1 [pid 18799] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18797] <... futex resumed>) = 0 [pid 18796] <... futex resumed>) = 0 [pid 18802] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18800] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18799] <... futex resumed>) = 1 [pid 18797] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18796] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18795] <... futex resumed>) = 0 [pid 18802] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18800] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18799] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18797] <... futex resumed>) = 0 [pid 18796] <... futex resumed>) = 0 [pid 18795] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18802] pipe2( [pid 18800] pipe2( [pid 18799] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18797] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18796] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18795] <... futex resumed>) = 0 [pid 18802] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18800] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18799] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18795] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 18803 attached ./strace-static-x86_64: Process 18801 attached [pid 18802] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18800] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18803] set_robust_list(0x55555697d6e0, 24 [pid 18802] <... futex resumed>) = 1 [pid 18801] set_robust_list(0x7fe89d1609e0, 24 [pid 18800] <... futex resumed>) = 1 [pid 18797] <... futex resumed>) = 0 [pid 18796] <... futex resumed>) = 0 [pid 18803] <... set_robust_list resumed>) = 0 [pid 18802] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18801] <... set_robust_list resumed>) = 0 [pid 18800] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18797] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18796] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18803] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18802] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18801] mkdir("./file0", 0777 [pid 18800] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18799] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18797] <... futex resumed>) = 0 [pid 18796] <... futex resumed>) = 0 [pid 18803] <... prctl resumed>) = 0 [pid 18802] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18801] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18800] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18797] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18796] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18803] setpgid(0, 0 [pid 18801] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18803] <... setpgid resumed>) = 0 [pid 18801] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18803] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18801] <... futex resumed>) = 1 [pid 18798] <... futex resumed>) = 0 [pid 18803] <... openat resumed>) = 3 [pid 18801] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18798] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18799] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18803] write(3, "1000", 4 [pid 18801] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18798] <... futex resumed>) = 0 [pid 18803] <... write resumed>) = 4 [pid 18801] pipe2( [pid 18798] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18803] close(3 [pid 18801] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18799] <... futex resumed>) = 1 [pid 18795] <... futex resumed>) = 0 [pid 18803] <... close resumed>) = 0 [pid 18801] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18799] write(4, NULL, 126976 [pid 18795] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18803] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18801] <... futex resumed>) = 1 [pid 18798] <... futex resumed>) = 0 [pid 18795] <... futex resumed>) = 0 [pid 18803] <... futex resumed>) = 0 [pid 18801] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18799] <... write resumed>) = -1 EFAULT (Bad address) [pid 18798] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18795] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18803] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18801] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18799] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18798] <... futex resumed>) = 0 [pid 18803] <... mmap resumed>) = 0x7fe89d140000 [pid 18801] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18799] <... futex resumed>) = 1 [pid 18798] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18795] <... futex resumed>) = 0 [pid 18803] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18802] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18800] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18799] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18795] exit_group(0 [pid 18803] <... mprotect resumed>) = 0 [pid 18802] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18800] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18799] <... futex resumed>) = ? [pid 18795] <... exit_group resumed>) = ? [pid 18803] 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 18802] <... futex resumed>) = 1 [pid 18800] <... futex resumed>) = 1 [pid 18799] +++ exited with 0 +++ [pid 18797] <... futex resumed>) = 0 [pid 18796] <... futex resumed>) = 0 [pid 18795] +++ exited with 0 +++ [pid 18802] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18800] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18797] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18796] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3612] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18795, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 18803] <... clone resumed>, parent_tid=[18804], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18804 [pid 18802] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18800] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18797] <... futex resumed>) = 0 [pid 18796] <... futex resumed>) = 0 ./strace-static-x86_64: Process 18804 attached [pid 18803] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18802] write(4, NULL, 126976 [pid 18800] write(4, NULL, 126976 [pid 18797] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18796] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18804] set_robust_list(0x7fe89d1609e0, 24 [pid 18803] <... futex resumed>) = 0 [pid 18802] <... write resumed>) = -1 EFAULT (Bad address) [pid 18801] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18800] <... write resumed>) = -1 EFAULT (Bad address) [pid 18804] <... set_robust_list resumed>) = 0 [pid 18803] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18802] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18801] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18800] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18804] mkdir("./file0", 0777 [pid 18802] <... futex resumed>) = 1 [pid 18801] <... futex resumed>) = 1 [pid 18800] <... futex resumed>) = 1 [pid 18798] <... futex resumed>) = 0 [pid 18797] <... futex resumed>) = 0 [pid 18796] <... futex resumed>) = 0 [pid 18804] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18802] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18801] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18800] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18798] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18797] exit_group(0 [pid 18796] exit_group(0 [pid 3612] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 18804] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18802] <... futex resumed>) = ? [pid 18801] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18800] <... futex resumed>) = ? [pid 18798] <... futex resumed>) = 0 [pid 18797] <... exit_group resumed>) = ? [pid 18796] <... exit_group resumed>) = ? [pid 3612] <... openat resumed>) = 3 [pid 18802] +++ exited with 0 +++ [pid 18801] write(4, NULL, 126976 [pid 18800] +++ exited with 0 +++ [pid 18798] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3612] ioctl(3, LOOP_CLR_FD [pid 18801] <... write resumed>) = -1 EFAULT (Bad address) [pid 3612] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18801] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18797] +++ exited with 0 +++ [pid 3612] close(3 [pid 18801] <... futex resumed>) = 1 [pid 18798] <... futex resumed>) = 0 [pid 3612] <... close resumed>) = 0 [pid 3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18797, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18804] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18801] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18798] exit_group(0 [pid 18796] +++ exited with 0 +++ [pid 3612] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3609] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 18805 attached [pid 18804] <... futex resumed>) = 1 [pid 18803] <... futex resumed>) = 0 [pid 18801] <... futex resumed>) = ? [pid 18798] <... exit_group resumed>) = ? [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18796, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3609] <... restart_syscall resumed>) = 0 [pid 18804] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18803] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18801] +++ exited with 0 +++ [pid 18798] +++ exited with 0 +++ [pid 3613] restart_syscall(<... resuming interrupted clone ...> [pid 3612] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18805 [pid 18805] set_robust_list(0x55555697d6e0, 24 [pid 18804] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18803] <... futex resumed>) = 0 [pid 3613] <... restart_syscall resumed>) = 0 [pid 18804] pipe2( [pid 18803] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18798, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3609] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 18805] <... set_robust_list resumed>) = 0 [pid 18804] <... pipe2 resumed>[3, 4], 0) = 0 [pid 3610] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 3609] <... openat resumed>) = 3 [pid 18804] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3613] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 3610] <... openat resumed>) = 3 [pid 3609] ioctl(3, LOOP_CLR_FD [pid 18805] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18804] <... futex resumed>) = 1 [pid 18803] <... futex resumed>) = 0 [pid 3613] <... openat resumed>) = 3 [pid 3610] ioctl(3, LOOP_CLR_FD [pid 3609] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18804] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18803] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3613] ioctl(3, LOOP_CLR_FD [pid 3610] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3609] close(3 [pid 18805] <... prctl resumed>) = 0 [pid 18804] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18803] <... futex resumed>) = 0 [pid 3613] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3610] close(3 [pid 3609] <... close resumed>) = 0 [pid 18805] setpgid(0, 0 [pid 18804] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18803] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3613] close(3 [pid 3610] <... close resumed>) = 0 [pid 3609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18805] <... setpgid resumed>) = 0 [pid 3613] <... close resumed>) = 0 [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18805] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3609] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18806 [pid 18805] <... openat resumed>) = 3 [pid 3610] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18807 [pid 18805] write(3, "1000", 4 [pid 3613] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18808 [pid 18805] <... write resumed>) = 4 [pid 18804] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18805] close(3 [pid 18804] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18805] <... close resumed>) = 0 [pid 18805] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 18807 attached [pid 18805] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18807] set_robust_list(0x55555697d6e0, 24 [pid 18805] <... mmap resumed>) = 0x7fe89d140000 [pid 18807] <... set_robust_list resumed>) = 0 [pid 18805] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 18808 attached ./strace-static-x86_64: Process 18806 attached [pid 18807] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18805] <... mprotect resumed>) = 0 [pid 18804] <... futex resumed>) = 1 [pid 18803] <... futex resumed>) = 0 [pid 18808] set_robust_list(0x55555697d6e0, 24 [pid 18807] <... prctl resumed>) = 0 [pid 18806] set_robust_list(0x55555697d6e0, 24 [pid 18805] 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 18804] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18803] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18808] <... set_robust_list resumed>) = 0 [pid 18807] setpgid(0, 0 [pid 18806] <... set_robust_list resumed>) = 0 [pid 18804] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18803] <... futex resumed>) = 0 [pid 18808] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18807] <... setpgid resumed>) = 0 [pid 18806] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18805] <... clone resumed>, parent_tid=[18809], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18809 [pid 18804] write(4, NULL, 126976 [pid 18803] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18807] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18805] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18808] <... prctl resumed>) = 0 [pid 18807] <... openat resumed>) = 3 [pid 18806] <... prctl resumed>) = 0 [pid 18805] <... futex resumed>) = 0 [pid 18804] <... write resumed>) = -1 EFAULT (Bad address) [pid 18808] setpgid(0, 0 [pid 18807] write(3, "1000", 4 [pid 18806] setpgid(0, 0 [pid 18805] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18804] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 18809 attached [pid 18808] <... setpgid resumed>) = 0 [pid 18807] <... write resumed>) = 4 [pid 18806] <... setpgid resumed>) = 0 [pid 18804] <... futex resumed>) = 1 [pid 18803] <... futex resumed>) = 0 [pid 18809] set_robust_list(0x7fe89d1609e0, 24 [pid 18808] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18807] close(3 [pid 18806] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18804] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18803] exit_group(0 [pid 18809] <... set_robust_list resumed>) = 0 [pid 18808] <... openat resumed>) = 3 [pid 18807] <... close resumed>) = 0 [pid 18806] <... openat resumed>) = 3 [pid 18804] <... futex resumed>) = ? [pid 18803] <... exit_group resumed>) = ? [pid 18809] mkdir("./file0", 0777 [pid 18808] write(3, "1000", 4 [pid 18807] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18806] write(3, "1000", 4 [pid 18804] +++ exited with 0 +++ [pid 18809] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18808] <... write resumed>) = 4 [pid 18807] <... futex resumed>) = 0 [pid 18806] <... write resumed>) = 4 [pid 18803] +++ exited with 0 +++ [pid 18809] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18808] close(3 [pid 18807] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18806] close(3 [pid 18809] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18808] <... close resumed>) = 0 [pid 18807] <... mmap resumed>) = 0x7fe89d140000 [pid 18806] <... close resumed>) = 0 [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18803, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 18809] <... futex resumed>) = 1 [pid 18808] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18807] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18806] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18805] <... futex resumed>) = 0 [pid 3611] restart_syscall(<... resuming interrupted clone ...> [pid 18809] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18808] <... futex resumed>) = 0 [pid 18807] <... mprotect resumed>) = 0 [pid 18806] <... futex resumed>) = 0 [pid 18805] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] <... restart_syscall resumed>) = 0 [pid 18809] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18808] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18807] 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 18806] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18805] <... futex resumed>) = 0 [pid 18809] pipe2( [pid 18808] <... mmap resumed>) = 0x7fe89d140000 [pid 18806] <... mmap resumed>) = 0x7fe89d140000 [pid 18808] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18806] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18805] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18809] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18808] <... mprotect resumed>) = 0 [pid 18807] <... clone resumed>, parent_tid=[18810], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18810 [pid 18806] <... mprotect resumed>) = 0 [pid 18809] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18808] 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 18807] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18806] 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] openat(AT_FDCWD, "/dev/loop2", O_RDWR./strace-static-x86_64: Process 18812 attached ./strace-static-x86_64: Process 18811 attached ./strace-static-x86_64: Process 18810 attached [pid 18809] <... futex resumed>) = 1 [pid 18807] <... futex resumed>) = 0 [pid 18805] <... futex resumed>) = 0 [pid 18810] set_robust_list(0x7fe89d1609e0, 24 [pid 18809] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18808] <... clone resumed>, parent_tid=[18811], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18811 [pid 18807] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18806] <... clone resumed>, parent_tid=[18812], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18812 [pid 18805] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] <... openat resumed>) = 3 [pid 18810] <... set_robust_list resumed>) = 0 [pid 18808] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18806] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18810] mkdir("./file0", 0777 [pid 18809] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18808] <... futex resumed>) = 0 [pid 18806] <... futex resumed>) = 0 [pid 18805] <... futex resumed>) = 0 [pid 3611] ioctl(3, LOOP_CLR_FD [pid 18811] set_robust_list(0x7fe89d1609e0, 24 [pid 18810] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18809] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18808] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18806] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18805] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3611] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18810] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18810] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] close(3 [pid 18810] <... futex resumed>) = 1 [pid 18807] <... futex resumed>) = 0 [pid 18810] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18807] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18810] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18807] <... futex resumed>) = 0 [pid 18810] pipe2( [pid 18807] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18810] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18810] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] <... close resumed>) = 0 [pid 18810] <... futex resumed>) = 1 [pid 18807] <... futex resumed>) = 0 [pid 18810] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18807] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18810] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18807] <... futex resumed>) = 0 [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18810] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18807] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18811] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 18813 attached [pid 18813] set_robust_list(0x55555697d6e0, 24) = 0 [pid 18813] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 18813] setpgid(0, 0) = 0 [pid 18813] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 18811] mkdir("./file0", 0777 [pid 3611] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18813 [pid 18811] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18811] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18813] write(3, "1000", 4 [pid 18811] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18813] <... write resumed>) = 4 [pid 18813] close(3) = 0 [pid 18813] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18811] <... futex resumed>) = 1 [pid 18808] <... futex resumed>) = 0 [pid 18813] <... futex resumed>) = 0 [pid 18808] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18813] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18808] <... futex resumed>) = 0 [pid 18813] <... mmap resumed>) = 0x7fe89d140000 [pid 18808] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18811] pipe2( [pid 18813] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 18813] 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 18811] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18811] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18813] <... clone resumed>, parent_tid=[18814], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18814 [pid 18811] <... futex resumed>) = 1 [pid 18808] <... futex resumed>) = 0 [pid 18813] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18811] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18808] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18813] <... futex resumed>) = 0 [pid 18808] <... futex resumed>) = 0 [pid 18811] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18813] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18808] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18811] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,"./strace-static-x86_64: Process 18814 attached [pid 18814] set_robust_list(0x7fe89d1609e0, 24) = 0 [pid 18814] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 18814] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18814] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18813] <... futex resumed>) = 0 [pid 18813] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 18814] <... futex resumed>) = 1 [pid 18813] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18814] pipe2([3, 4], 0) = 0 [pid 18812] set_robust_list(0x7fe89d1609e0, 24 [pid 18810] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18809] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18814] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18810] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18814] <... futex resumed>) = 1 [pid 18813] <... futex resumed>) = 0 [pid 18810] <... futex resumed>) = 1 [pid 18807] <... futex resumed>) = 0 [pid 18814] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18813] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18810] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18807] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18812] <... set_robust_list resumed>) = 0 [pid 18813] <... futex resumed>) = 0 [pid 18810] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18809] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18807] <... futex resumed>) = 0 [pid 18813] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18812] mkdir("./file0", 0777 [pid 18810] write(4, NULL, 126976 [pid 18807] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18805] <... futex resumed>) = 0 [pid 18809] <... futex resumed>) = 1 [pid 18810] <... write resumed>) = -1 EFAULT (Bad address) [pid 18805] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18809] write(4, NULL, 126976 [pid 18812] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18810] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18809] <... write resumed>) = -1 EFAULT (Bad address) [pid 18805] <... futex resumed>) = 0 [pid 18812] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18810] <... futex resumed>) = 1 [pid 18809] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18807] <... futex resumed>) = 0 [pid 18805] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18812] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18810] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18809] <... futex resumed>) = 0 [pid 18807] exit_group(0 [pid 18805] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18812] <... futex resumed>) = 1 [pid 18806] <... futex resumed>) = 0 [pid 18812] pipe2( [pid 18810] <... futex resumed>) = ? [pid 18809] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18807] <... exit_group resumed>) = ? [pid 18806] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18805] exit_group(0 [pid 18812] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18810] +++ exited with 0 +++ [pid 18807] +++ exited with 0 +++ [pid 18806] <... futex resumed>) = 0 [pid 18805] <... exit_group resumed>) = ? [pid 18809] <... futex resumed>) = ? [pid 18806] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18807, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 18812] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 18806] <... futex resumed>) = 0 [pid 18806] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18812] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18809] +++ exited with 0 +++ [pid 18806] <... futex resumed>) = 0 [pid 18805] +++ exited with 0 +++ [pid 18806] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3612] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18805, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3612] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3610] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 3612] <... openat resumed>) = 3 [pid 3610] <... openat resumed>) = 3 [pid 3612] ioctl(3, LOOP_CLR_FD [pid 3610] ioctl(3, LOOP_CLR_FD [pid 3612] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3612] close(3 [pid 3610] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3612] <... close resumed>) = 0 [pid 3610] close(3 [pid 3612] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3610] <... close resumed>) = 0 [pid 18811] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18811] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18814] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18811] <... futex resumed>) = 1 [pid 18808] <... futex resumed>) = 0 [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18814] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18811] write(4, NULL, 126976 [pid 18808] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18811] <... write resumed>) = -1 EFAULT (Bad address) [pid 18808] <... futex resumed>) = 0 [pid 18814] <... futex resumed>) = 1 [pid 18813] <... futex resumed>) = 0 [pid 18811] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18808] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3612] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18815 [pid 18814] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18813] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18811] <... futex resumed>) = 0 [pid 18808] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18814] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18813] <... futex resumed>) = 0 [pid 18811] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18808] exit_group(0 [pid 3610] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18816 ./strace-static-x86_64: Process 18816 attached ./strace-static-x86_64: Process 18815 attached [pid 18814] write(4, NULL, 126976 [pid 18813] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18811] <... futex resumed>) = ? [pid 18808] <... exit_group resumed>) = ? [pid 18816] set_robust_list(0x55555697d6e0, 24 [pid 18815] set_robust_list(0x55555697d6e0, 24 [pid 18814] <... write resumed>) = -1 EFAULT (Bad address) [pid 18812] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18811] +++ exited with 0 +++ [pid 18808] +++ exited with 0 +++ [pid 18815] <... set_robust_list resumed>) = 0 [pid 18814] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18812] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18814] <... futex resumed>) = 1 [pid 18813] <... futex resumed>) = 0 [pid 18814] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18808, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18813] exit_group(0 [pid 3613] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 18813] <... exit_group resumed>) = ? [pid 18814] <... futex resumed>) = ? [pid 18816] <... set_robust_list resumed>) = 0 [pid 18814] +++ exited with 0 +++ [pid 3613] <... openat resumed>) = 3 [pid 18816] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18815] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18813] +++ exited with 0 +++ [pid 18806] <... futex resumed>) = 0 [pid 3613] ioctl(3, LOOP_CLR_FD [pid 18812] <... futex resumed>) = 1 [pid 18816] <... prctl resumed>) = 0 [pid 18815] <... prctl resumed>) = 0 [pid 18806] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3613] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18816] setpgid(0, 0 [pid 18812] write(4, NULL, 126976 [pid 18806] <... futex resumed>) = 0 [pid 3613] close(3 [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18813, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18815] setpgid(0, 0 [pid 18816] <... setpgid resumed>) = 0 [pid 18812] <... write resumed>) = -1 EFAULT (Bad address) [pid 18806] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3613] <... close resumed>) = 0 [pid 18815] <... setpgid resumed>) = 0 [pid 18812] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18815] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18812] <... futex resumed>) = 1 [pid 18806] <... futex resumed>) = 0 [pid 3611] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 18815] <... openat resumed>) = 3 [pid 18812] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18806] exit_group(0 [pid 3613] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18817 [pid 3611] <... openat resumed>) = 3 [pid 18815] write(3, "1000", 4 [pid 18812] <... futex resumed>) = ? [pid 18806] <... exit_group resumed>) = ? [pid 3611] ioctl(3, LOOP_CLR_FD [pid 18815] <... write resumed>) = 4 [pid 18812] +++ exited with 0 +++ [pid 18806] +++ exited with 0 +++ [pid 3611] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18815] close(3 [pid 3611] close(3 [pid 3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18806, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18815] <... close resumed>) = 0 [pid 3611] <... close resumed>) = 0 [pid 18815] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18816] 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 18816] <... openat resumed>) = 3 [pid 18815] <... futex resumed>) = 0 [pid 3609] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 18815] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3611] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18818 [pid 3609] <... openat resumed>) = 3 [pid 18816] write(3, "1000", 4 [pid 18815] <... mmap resumed>) = 0x7fe89d140000 [pid 3609] ioctl(3, LOOP_CLR_FD [pid 18816] <... write resumed>) = 4 [pid 18815] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 3609] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18816] close(3 [pid 18815] <... mprotect resumed>) = 0 [pid 3609] close(3 [pid 18816] <... close resumed>) = 0 [pid 18815] 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 18816] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18816] <... futex resumed>) = 0 [pid 18815] <... clone resumed>, parent_tid=[18819], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18819 [pid 18816] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18815] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3609] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18820 ./strace-static-x86_64: Process 18817 attached [pid 18816] <... mmap resumed>) = 0x7fe89d140000 [pid 18815] <... futex resumed>) = 0 ./strace-static-x86_64: Process 18818 attached [pid 18816] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18815] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18818] set_robust_list(0x55555697d6e0, 24 [pid 18816] <... mprotect resumed>) = 0 [pid 18818] <... set_robust_list resumed>) = 0 [pid 18816] 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 18818] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18817] set_robust_list(0x55555697d6e0, 24./strace-static-x86_64: Process 18819 attached [pid 18818] <... prctl resumed>) = 0 [pid 18817] <... set_robust_list resumed>) = 0 [pid 18816] <... clone resumed>, parent_tid=[18821], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18821 [pid 18819] set_robust_list(0x7fe89d1609e0, 24 [pid 18818] setpgid(0, 0 [pid 18817] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18816] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18819] <... set_robust_list resumed>) = 0 [pid 18818] <... setpgid resumed>) = 0 [pid 18817] <... prctl resumed>) = 0 [pid 18816] <... futex resumed>) = 0 ./strace-static-x86_64: Process 18821 attached ./strace-static-x86_64: Process 18820 attached [pid 18819] mkdir("./file0", 0777 [pid 18818] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18817] setpgid(0, 0 [pid 18816] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18821] set_robust_list(0x7fe89d1609e0, 24 [pid 18820] set_robust_list(0x55555697d6e0, 24 [pid 18819] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18818] <... openat resumed>) = 3 [pid 18817] <... setpgid resumed>) = 0 [pid 18821] <... set_robust_list resumed>) = 0 [pid 18819] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18818] write(3, "1000", 4 [pid 18821] mkdir("./file0", 0777 [pid 18820] <... set_robust_list resumed>) = 0 [pid 18819] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18818] <... write resumed>) = 4 [pid 18817] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18821] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18819] <... futex resumed>) = 1 [pid 18818] close(3 [pid 18815] <... futex resumed>) = 0 [pid 18821] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18820] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18819] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18818] <... close resumed>) = 0 [pid 18817] <... openat resumed>) = 3 [pid 18815] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18821] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18820] <... prctl resumed>) = 0 [pid 18819] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18818] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18817] write(3, "1000", 4 [pid 18815] <... futex resumed>) = 0 [pid 18821] <... futex resumed>) = 1 [pid 18820] setpgid(0, 0 [pid 18819] pipe2( [pid 18818] <... futex resumed>) = 0 [pid 18817] <... write resumed>) = 4 [pid 18816] <... futex resumed>) = 0 [pid 18815] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18821] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18820] <... setpgid resumed>) = 0 [pid 18819] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18818] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18817] close(3 [pid 18816] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18821] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18820] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18819] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18818] <... mmap resumed>) = 0x7fe89d140000 [pid 18817] <... close resumed>) = 0 [pid 18816] <... futex resumed>) = 0 [pid 18821] pipe2( [pid 18820] <... openat resumed>) = 3 [pid 18819] <... futex resumed>) = 1 [pid 18818] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18817] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18816] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18815] <... futex resumed>) = 0 [pid 18821] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18820] write(3, "1000", 4 [pid 18819] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18818] <... mprotect resumed>) = 0 [pid 18817] <... futex resumed>) = 0 [pid 18815] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18821] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18820] <... write resumed>) = 4 [pid 18819] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18818] 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 18817] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18815] <... futex resumed>) = 0 [pid 18821] <... futex resumed>) = 1 [pid 18820] close(3 [pid 18819] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18817] <... mmap resumed>) = 0x7fe89d140000 [pid 18816] <... futex resumed>) = 0 [pid 18815] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18821] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18820] <... close resumed>) = 0 [pid 18818] <... clone resumed>, parent_tid=[18822], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18822 [pid 18818] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 18818] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000}./strace-static-x86_64: Process 18822 attached [pid 18822] set_robust_list(0x7fe89d1609e0, 24) = 0 [pid 18822] mkdir("./file0", 0777 [pid 18817] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18816] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18822] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18821] <... futex resumed>) = 0 [pid 18820] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18817] <... mprotect resumed>) = 0 [pid 18816] <... futex resumed>) = 1 [pid 18822] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18821] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18820] <... futex resumed>) = 0 [pid 18817] 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 18816] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18820] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18819] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18820] <... mmap resumed>) = 0x7fe89d140000 [pid 18819] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18817] <... clone resumed>, parent_tid=[18823], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18823 ./strace-static-x86_64: Process 18823 attached [pid 18822] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18821] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18820] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18819] <... futex resumed>) = 1 [pid 18817] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18815] <... futex resumed>) = 0 [pid 18823] set_robust_list(0x7fe89d1609e0, 24 [pid 18822] <... futex resumed>) = 1 [pid 18821] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18820] <... mprotect resumed>) = 0 [pid 18819] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18818] <... futex resumed>) = 0 [pid 18817] <... futex resumed>) = 0 [pid 18815] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18823] <... set_robust_list resumed>) = 0 [pid 18822] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18821] <... futex resumed>) = 1 [pid 18820] 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 18819] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18818] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18817] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18816] <... futex resumed>) = 0 [pid 18815] <... futex resumed>) = 0 ./strace-static-x86_64: Process 18824 attached [pid 18823] mkdir("./file0", 0777 [pid 18822] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18821] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18819] write(4, NULL, 126976 [pid 18818] <... futex resumed>) = 0 [pid 18816] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18815] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18823] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18822] pipe2( [pid 18821] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18820] <... clone resumed>, parent_tid=[18824], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18824 [pid 18819] <... write resumed>) = -1 EFAULT (Bad address) [pid 18818] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18816] <... futex resumed>) = 0 [pid 18824] set_robust_list(0x7fe89d1609e0, 24 [pid 18823] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18822] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18821] write(4, NULL, 126976 [pid 18820] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18819] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18816] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18824] <... set_robust_list resumed>) = 0 [pid 18823] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18822] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18821] <... write resumed>) = -1 EFAULT (Bad address) [pid 18820] <... futex resumed>) = 0 [pid 18819] <... futex resumed>) = 1 [pid 18815] <... futex resumed>) = 0 [pid 18823] <... futex resumed>) = 1 [pid 18822] <... futex resumed>) = 1 [pid 18821] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18820] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18819] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18818] <... futex resumed>) = 0 [pid 18817] <... futex resumed>) = 0 [pid 18815] exit_group(0 [pid 18824] mkdir("./file0", 0777 [pid 18823] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18822] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18821] <... futex resumed>) = 1 [pid 18819] <... futex resumed>) = ? [pid 18818] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18817] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18816] <... futex resumed>) = 0 [pid 18815] <... exit_group resumed>) = ? [pid 18824] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18823] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18822] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18821] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18819] +++ exited with 0 +++ [pid 18818] <... futex resumed>) = 0 [pid 18817] <... futex resumed>) = 0 [pid 18816] exit_group(0 [pid 18815] +++ exited with 0 +++ [pid 18824] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18823] pipe2( [pid 18822] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18821] <... futex resumed>) = ? [pid 18818] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18817] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18816] <... exit_group resumed>) = ? [pid 3612] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18815, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18824] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18823] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18821] +++ exited with 0 +++ [pid 3612] restart_syscall(<... resuming interrupted clone ...> [pid 18823] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18817] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3612] <... restart_syscall resumed>) = 0 [pid 18823] <... futex resumed>) = 0 [pid 18823] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18816] +++ exited with 0 +++ [pid 3612] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18816, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3612] <... openat resumed>) = 3 [pid 3612] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 3610] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 3612] close(3 [pid 3610] <... openat resumed>) = 3 [pid 18817] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3612] <... close resumed>) = 0 [pid 3610] ioctl(3, LOOP_CLR_FD [pid 18823] <... futex resumed>) = 0 [pid 18817] <... futex resumed>) = 1 [pid 3612] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3610] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18823] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18817] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3610] close(3 [pid 3612] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18825 [pid 3610] <... close resumed>) = 0 [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555697d6d0) = 18826 ./strace-static-x86_64: Process 18825 attached [pid 18825] set_robust_list(0x55555697d6e0, 24) = 0 [pid 18825] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 18825] setpgid(0, 0 [pid 18824] <... futex resumed>) = 1 [pid 18820] <... futex resumed>) = 0 [pid 18825] <... setpgid resumed>) = 0 [pid 18824] pipe2( [pid 18820] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 18826 attached [pid 18825] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18824] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18820] <... futex resumed>) = 0 [pid 18826] set_robust_list(0x55555697d6e0, 24 [pid 18825] <... openat resumed>) = 3 [pid 18824] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18822] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18820] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18826] <... set_robust_list resumed>) = 0 [pid 18825] write(3, "1000", 4 [pid 18824] <... futex resumed>) = 0 [pid 18822] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18820] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18825] <... write resumed>) = 4 [pid 18824] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18822] <... futex resumed>) = 1 [pid 18820] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18818] <... futex resumed>) = 0 [pid 18822] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18820] <... futex resumed>) = 0 [pid 18818] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18825] close(3 [pid 18822] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18820] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18818] <... futex resumed>) = 0 [pid 18826] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18825] <... close resumed>) = 0 [pid 18823] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18822] write(4, NULL, 126976 [pid 18818] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18826] <... prctl resumed>) = 0 [pid 18825] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18823] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18822] <... write resumed>) = -1 EFAULT (Bad address) [pid 18826] setpgid(0, 0 [pid 18825] <... futex resumed>) = 0 [pid 18823] <... futex resumed>) = 1 [pid 18817] <... futex resumed>) = 0 [pid 18826] <... setpgid resumed>) = 0 [pid 18825] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18823] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18826] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18825] <... mmap resumed>) = 0x7fe89d140000 [pid 18822] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18817] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18826] <... openat resumed>) = 3 [pid 18825] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18823] <... futex resumed>) = 0 [pid 18822] <... futex resumed>) = 1 [pid 18818] <... futex resumed>) = 0 [pid 18817] <... futex resumed>) = 1 [pid 18826] write(3, "1000", 4 [pid 18825] <... mprotect resumed>) = 0 [pid 18823] write(4, NULL, 126976 [pid 18822] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18818] exit_group(0 [pid 18817] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18826] <... write resumed>) = 4 [pid 18825] 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 18823] <... write resumed>) = -1 EFAULT (Bad address) [pid 18822] <... futex resumed>) = ? [pid 18818] <... exit_group resumed>) = ? [pid 18826] close(3 [pid 18823] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18826] <... close resumed>) = 0 [pid 18825] <... clone resumed>, parent_tid=[18827], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18827 [pid 18823] <... futex resumed>) = 1 [pid 18817] <... futex resumed>) = 0 [pid 18826] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18825] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18823] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18822] +++ exited with 0 +++ [pid 18818] +++ exited with 0 +++ [pid 18817] exit_group(0 [pid 18826] <... futex resumed>) = 0 [pid 18825] <... futex resumed>) = 0 [pid 18823] <... futex resumed>) = ? [pid 18817] <... exit_group resumed>) = ? [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18818, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18826] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18825] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18823] +++ exited with 0 +++ [pid 18826] <... mmap resumed>) = 0x7fe89d140000 [pid 18817] +++ exited with 0 +++ [pid 18826] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 3611] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 18826] <... mprotect resumed>) = 0 [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18817, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3611] <... openat resumed>) = 3 [pid 18826] 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 18824] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3613] restart_syscall(<... resuming interrupted clone ...> [pid 3611] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 18827 attached [pid 3613] <... restart_syscall resumed>) = 0 [pid 3611] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18827] set_robust_list(0x7fe89d1609e0, 24 [pid 18826] <... clone resumed>, parent_tid=[18828], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18828 [pid 3611] close(3./strace-static-x86_64: Process 18828 attached [pid 18827] <... set_robust_list resumed>) = 0 [pid 18826] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18824] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] <... close resumed>) = 0 [pid 18827] mkdir("./file0", 0777 [pid 18826] <... futex resumed>) = 0 [pid 18824] <... futex resumed>) = 1 [pid 18820] <... futex resumed>) = 0 [pid 3613] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18828] set_robust_list(0x7fe89d1609e0, 24 [pid 18827] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18826] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18824] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18820] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3613] <... openat resumed>) = 3 [pid 18827] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18820] <... futex resumed>) = 0 [pid 3613] ioctl(3, LOOP_CLR_FD [pid 18824] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18827] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18824] write(4, NULL, 126976 [pid 18820] 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] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18829 ./strace-static-x86_64: Process 18829 attached [pid 18828] <... set_robust_list resumed>) = 0 [pid 18827] <... futex resumed>) = 1 [pid 18825] <... futex resumed>) = 0 [pid 18824] <... write resumed>) = -1 EFAULT (Bad address) [pid 3613] close(3 [pid 18828] mkdir("./file0", 0777 [pid 18827] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18825] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18824] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3613] <... close resumed>) = 0 [pid 18827] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18825] <... futex resumed>) = 0 [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18827] pipe2( [pid 18825] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18827] <... pipe2 resumed>[3, 4], 0) = 0 [pid 3613] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18830 [pid 18827] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 18825] <... futex resumed>) = 0 [pid 18827] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18825] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18827] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18825] <... futex resumed>) = 0 [pid 18827] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18825] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18829] set_robust_list(0x55555697d6e0, 24 [pid 18828] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18824] <... futex resumed>) = 1 [pid 18820] <... futex resumed>) = 0 [pid 18828] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18824] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18820] exit_group(0 [pid 18829] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 18830 attached [pid 18829] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18828] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18827] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18824] <... futex resumed>) = ? [pid 18820] <... exit_group resumed>) = ? [pid 18830] set_robust_list(0x55555697d6e0, 24 [pid 18827] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18824] +++ exited with 0 +++ [pid 18830] <... set_robust_list resumed>) = 0 [pid 18827] <... futex resumed>) = 1 [pid 18825] <... futex resumed>) = 0 [pid 18830] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18829] <... prctl resumed>) = 0 [pid 18828] <... futex resumed>) = 1 [pid 18827] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18826] <... futex resumed>) = 0 [pid 18825] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18820] +++ exited with 0 +++ [pid 18830] <... prctl resumed>) = 0 [pid 18829] setpgid(0, 0 [pid 18828] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18827] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18826] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18825] <... futex resumed>) = 0 [pid 3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18820, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 18830] setpgid(0, 0 [pid 18829] <... setpgid resumed>) = 0 [pid 18828] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18827] write(4, NULL, 126976 [pid 18826] <... futex resumed>) = 0 [pid 18825] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18830] <... setpgid resumed>) = 0 [pid 18829] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18828] pipe2( [pid 18827] <... write resumed>) = -1 EFAULT (Bad address) [pid 18826] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18830] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18829] <... openat resumed>) = 3 [pid 18827] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18830] <... openat resumed>) = 3 [pid 18829] write(3, "1000", 4 [pid 18828] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18827] <... futex resumed>) = 1 [pid 18825] <... futex resumed>) = 0 [pid 18830] write(3, "1000", 4 [pid 18829] <... write resumed>) = 4 [pid 18828] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18827] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18825] exit_group(0 [pid 18830] <... write resumed>) = 4 [pid 18829] close(3 [pid 18828] <... futex resumed>) = 1 [pid 18827] <... futex resumed>) = ? [pid 18826] <... futex resumed>) = 0 [pid 18825] <... exit_group resumed>) = ? [pid 3609] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 18830] close(3 [pid 18829] <... close resumed>) = 0 [pid 18828] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18827] +++ exited with 0 +++ [pid 18826] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18825] +++ exited with 0 +++ [pid 3609] <... openat resumed>) = 3 [pid 18830] <... close resumed>) = 0 [pid 18829] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18828] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18826] <... futex resumed>) = 0 [pid 3612] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18825, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3609] ioctl(3, LOOP_CLR_FD [pid 18830] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18829] <... futex resumed>) = 0 [pid 18828] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18826] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3609] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18830] <... futex resumed>) = 0 [pid 18829] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3609] close(3 [pid 18830] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18829] <... mmap resumed>) = 0x7fe89d140000 [pid 3609] <... close resumed>) = 0 [pid 18830] <... mmap resumed>) = 0x7fe89d140000 [pid 3609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18830] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18829] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18830] <... mprotect resumed>) = 0 [pid 18829] <... mprotect resumed>) = 0 [pid 3609] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18831 [pid 18830] 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 18829] 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(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 18830] <... clone resumed>, parent_tid=[18832], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18832 [pid 18829] <... clone resumed>, parent_tid=[18833], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18833 [pid 3612] ioctl(3, LOOP_CLR_FD [pid 18830] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18829] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3612] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18830] <... futex resumed>) = 0 [pid 18829] <... futex resumed>) = 0 [pid 3612] close(3 [pid 18830] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 3612] <... close resumed>) = 0 [pid 3612] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555697d6d0) = 18834 ./strace-static-x86_64: Process 18831 attached ./strace-static-x86_64: Process 18832 attached [pid 18832] set_robust_list(0x7fe89d1609e0, 24) = 0 [pid 18831] set_robust_list(0x55555697d6e0, 24 [pid 18832] mkdir("./file0", 0777 [pid 18831] <... set_robust_list resumed>) = 0 [pid 18832] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18831] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18832] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18831] <... prctl resumed>) = 0 ./strace-static-x86_64: Process 18834 attached [pid 18832] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18831] setpgid(0, 0 [pid 18834] set_robust_list(0x55555697d6e0, 24 [pid 18832] <... futex resumed>) = 1 [pid 18831] <... setpgid resumed>) = 0 [pid 18830] <... futex resumed>) = 0 [pid 18834] <... set_robust_list resumed>) = 0 [pid 18832] pipe2( [pid 18831] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18830] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18829] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18834] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18832] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18831] <... openat resumed>) = 3 [pid 18830] <... futex resumed>) = 0 [pid 18834] <... prctl resumed>) = 0 [pid 18832] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18831] write(3, "1000", 4 [pid 18830] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18834] setpgid(0, 0 [pid 18832] <... futex resumed>) = 0 [pid 18831] <... write resumed>) = 4 [pid 18830] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18834] <... setpgid resumed>) = 0 [pid 18832] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18831] close(3 [pid 18830] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18834] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18832] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18831] <... close resumed>) = 0 [pid 18830] <... futex resumed>) = 0 [pid 18834] <... openat resumed>) = 3 [pid 18832] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18831] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18830] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18834] write(3, "1000", 4 [pid 18831] <... futex resumed>) = 0 ./strace-static-x86_64: Process 18833 attached [pid 18834] <... write resumed>) = 4 [pid 18831] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18834] close(3 [pid 18833] set_robust_list(0x7fe89d1609e0, 24 [pid 18831] <... mmap resumed>) = 0x7fe89d140000 [pid 18834] <... close resumed>) = 0 [pid 18833] <... set_robust_list resumed>) = 0 [pid 18831] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18834] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18831] <... mprotect resumed>) = 0 [pid 18834] <... futex resumed>) = 0 [pid 18833] mkdir("./file0", 0777 [pid 18831] 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 18834] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18833] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18834] <... mmap resumed>) = 0x7fe89d140000 [pid 18831] <... clone resumed>, parent_tid=[18835], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18835 [pid 18834] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18833] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18831] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18834] <... mprotect resumed>) = 0 [pid 18833] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18831] <... futex resumed>) = 0 [pid 18834] 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 18831] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18833] <... futex resumed>) = 1 [pid 18829] <... futex resumed>) = 0 [pid 18834] <... clone resumed>, parent_tid=[18836], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18836 [pid 18833] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18829] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18834] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18833] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18829] <... futex resumed>) = 0 [pid 18828] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18834] <... futex resumed>) = 0 [pid 18834] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000}./strace-static-x86_64: Process 18835 attached [pid 18835] set_robust_list(0x7fe89d1609e0, 24./strace-static-x86_64: Process 18836 attached ) = 0 [pid 18836] set_robust_list(0x7fe89d1609e0, 24 [pid 18835] mkdir("./file0", 0777 [pid 18836] <... set_robust_list resumed>) = 0 [pid 18835] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18833] pipe2( [pid 18832] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18829] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18828] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18826] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 18836] mkdir("./file0", 0777 [pid 18835] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18833] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18832] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18828] <... futex resumed>) = 0 [pid 18826] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18836] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18835] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18833] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18832] <... futex resumed>) = 1 [pid 18830] <... futex resumed>) = 0 [pid 18828] write(4, NULL, 126976 [pid 18826] <... futex resumed>) = 0 [pid 18836] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18835] <... futex resumed>) = 1 [pid 18833] <... futex resumed>) = 1 [pid 18832] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18831] <... futex resumed>) = 0 [pid 18830] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18829] <... futex resumed>) = 0 [pid 18828] <... write resumed>) = -1 EFAULT (Bad address) [pid 18826] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18836] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18835] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18833] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18832] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18831] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18830] <... futex resumed>) = 0 [pid 18829] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18828] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18826] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18836] <... futex resumed>) = 1 [pid 18835] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18834] <... futex resumed>) = 0 [pid 18833] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18832] write(4, NULL, 126976 [pid 18831] <... futex resumed>) = 0 [pid 18830] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18829] <... futex resumed>) = 0 [pid 18828] <... futex resumed>) = 0 [pid 18826] exit_group(0 [pid 18836] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18835] pipe2( [pid 18834] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18833] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18832] <... write resumed>) = -1 EFAULT (Bad address) [pid 18831] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18829] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18826] <... exit_group resumed>) = ? [pid 18836] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18835] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18834] <... futex resumed>) = 0 [pid 18832] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18836] pipe2( [pid 18835] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18834] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18832] <... futex resumed>) = 1 [pid 18830] <... futex resumed>) = 0 [pid 18836] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18835] <... futex resumed>) = 1 [pid 18832] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18831] <... futex resumed>) = 0 [pid 18830] exit_group(0 [pid 18828] +++ exited with 0 +++ [pid 18826] +++ exited with 0 +++ [pid 18836] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18835] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18832] <... futex resumed>) = ? [pid 18831] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18830] <... exit_group resumed>) = ? [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18826, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18836] <... futex resumed>) = 1 [pid 18835] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18834] <... futex resumed>) = 0 [pid 18832] +++ exited with 0 +++ [pid 18831] <... futex resumed>) = 0 [pid 18830] +++ exited with 0 +++ [pid 18836] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18835] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18834] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18831] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18836] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18834] <... futex resumed>) = 0 [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18830, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3610] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 18836] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18834] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3613] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 3610] <... openat resumed>) = 3 [pid 3613] <... openat resumed>) = 3 [pid 3610] ioctl(3, LOOP_CLR_FD [pid 3613] ioctl(3, LOOP_CLR_FD [pid 3610] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3613] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3610] close(3 [pid 3613] close(3 [pid 3610] <... close resumed>) = 0 [pid 3613] <... close resumed>) = 0 [pid 3610] 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 3610] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18837 [pid 3613] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18838 ./strace-static-x86_64: Process 18837 attached [pid 18837] set_robust_list(0x55555697d6e0, 24) = 0 [pid 18837] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 18837] setpgid(0, 0) = 0 ./strace-static-x86_64: Process 18838 attached [pid 18837] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18835] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18833] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18838] set_robust_list(0x55555697d6e0, 24 [pid 18837] <... openat resumed>) = 3 [pid 18836] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18835] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18833] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18837] write(3, "1000", 4 [pid 18836] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18835] <... futex resumed>) = 1 [pid 18831] <... futex resumed>) = 0 [pid 18838] <... set_robust_list resumed>) = 0 [pid 18837] <... write resumed>) = 4 [pid 18836] <... futex resumed>) = 1 [pid 18835] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18834] <... futex resumed>) = 0 [pid 18833] <... futex resumed>) = 1 [pid 18831] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18829] <... futex resumed>) = 0 [pid 18837] close(3 [pid 18836] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18835] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18834] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18831] <... futex resumed>) = 0 [pid 18838] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18837] <... close resumed>) = 0 [pid 18836] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18835] write(4, NULL, 126976 [pid 18834] <... futex resumed>) = 0 [pid 18833] write(4, NULL, 126976 [pid 18831] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18829] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18838] <... prctl resumed>) = 0 [pid 18837] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18836] write(4, NULL, 126976 [pid 18835] <... write resumed>) = -1 EFAULT (Bad address) [pid 18834] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18833] <... write resumed>) = -1 EFAULT (Bad address) [pid 18829] <... futex resumed>) = 0 [pid 18838] setpgid(0, 0 [pid 18837] <... futex resumed>) = 0 [pid 18836] <... write resumed>) = -1 EFAULT (Bad address) [pid 18835] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18833] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18829] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18838] <... setpgid resumed>) = 0 [pid 18837] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18836] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18835] <... futex resumed>) = 1 [pid 18833] <... futex resumed>) = 0 [pid 18831] <... futex resumed>) = 0 [pid 18829] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18838] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18837] <... mmap resumed>) = 0x7fe89d140000 [pid 18836] <... futex resumed>) = 1 [pid 18835] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18834] <... futex resumed>) = 0 [pid 18833] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18831] exit_group(0 [pid 18829] exit_group(0 [pid 18838] <... openat resumed>) = 3 [pid 18837] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18836] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18835] <... futex resumed>) = ? [pid 18834] exit_group(0 [pid 18833] <... futex resumed>) = ? [pid 18831] <... exit_group resumed>) = ? [pid 18829] <... exit_group resumed>) = ? [pid 18838] write(3, "1000", 4 [pid 18837] <... mprotect resumed>) = 0 [pid 18836] <... futex resumed>) = ? [pid 18835] +++ exited with 0 +++ [pid 18834] <... exit_group resumed>) = ? [pid 18833] +++ exited with 0 +++ [pid 18831] +++ exited with 0 +++ [pid 18838] <... write resumed>) = 4 [pid 18837] 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 18836] +++ exited with 0 +++ [pid 18834] +++ exited with 0 +++ [pid 18829] +++ exited with 0 +++ ./strace-static-x86_64: Process 18839 attached [pid 18838] close(3 [pid 3612] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18834, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18831, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 18839] set_robust_list(0x7fe89d1609e0, 24 [pid 18838] <... close resumed>) = 0 [pid 18837] <... clone resumed>, parent_tid=[18839], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18839 [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18829, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3609] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 18839] <... set_robust_list resumed>) = 0 [pid 18838] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18837] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 3609] <... openat resumed>) = 3 [pid 18839] mkdir("./file0", 0777 [pid 18838] <... futex resumed>) = 0 [pid 18837] <... futex resumed>) = 0 [pid 3612] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3611] <... openat resumed>) = 3 [pid 3609] ioctl(3, LOOP_CLR_FD [pid 18839] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18838] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18837] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 3612] <... openat resumed>) = 3 [pid 3611] ioctl(3, LOOP_CLR_FD [pid 3609] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3612] ioctl(3, LOOP_CLR_FD [pid 3609] close(3 [pid 18839] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18838] <... mmap resumed>) = 0x7fe89d140000 [pid 3612] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3611] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3609] <... close resumed>) = 0 [pid 18838] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 3612] close(3 [pid 3611] close(3 [pid 3609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18839] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18838] <... mprotect resumed>) = 0 [pid 3612] <... close resumed>) = 0 [pid 3611] <... close resumed>) = 0 [pid 18839] <... futex resumed>) = 1 [pid 18838] 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 18837] <... futex resumed>) = 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 [pid 3609] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18840 [pid 18839] pipe2( [pid 18837] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 18838] <... clone resumed>, parent_tid=[18841], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18841 [pid 3612] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18842 [pid 18838] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18837] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3611] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18843 [pid 18839] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18838] <... futex resumed>) = 0 [pid 18839] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18838] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18839] <... futex resumed>) = 1 [pid 18837] <... futex resumed>) = 0 [pid 18837] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18839] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18837] <... futex resumed>) = 0 [pid 18837] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 18842 attached ./strace-static-x86_64: Process 18840 attached [pid 18842] set_robust_list(0x55555697d6e0, 24) = 0 [pid 18840] set_robust_list(0x55555697d6e0, 24 [pid 18842] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18840] <... set_robust_list resumed>) = 0 [pid 18842] <... prctl resumed>) = 0 [pid 18840] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18842] setpgid(0, 0 [pid 18840] <... prctl resumed>) = 0 [pid 18842] <... setpgid resumed>) = 0 [pid 18840] setpgid(0, 0./strace-static-x86_64: Process 18843 attached ./strace-static-x86_64: Process 18841 attached [pid 18842] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18840] <... setpgid resumed>) = 0 [pid 18843] set_robust_list(0x55555697d6e0, 24 [pid 18842] <... openat resumed>) = 3 [pid 18841] set_robust_list(0x7fe89d1609e0, 24 [pid 18840] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18843] <... set_robust_list resumed>) = 0 [pid 18842] write(3, "1000", 4 [pid 18841] <... set_robust_list resumed>) = 0 [pid 18840] <... openat resumed>) = 3 [pid 18842] <... write resumed>) = 4 [pid 18840] write(3, "1000", 4 [pid 18842] close(3 [pid 18840] <... write resumed>) = 4 [pid 18842] <... close resumed>) = 0 [pid 18840] close(3 [pid 18842] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18840] <... close resumed>) = 0 [pid 18842] <... futex resumed>) = 0 [pid 18840] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18842] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18840] <... futex resumed>) = 0 [pid 18842] <... mmap resumed>) = 0x7fe89d140000 [pid 18840] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18842] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18840] <... mmap resumed>) = 0x7fe89d140000 [pid 18842] <... mprotect resumed>) = 0 [pid 18840] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18842] 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 18840] <... mprotect resumed>) = 0 [pid 18840] 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 18842] <... clone resumed>, parent_tid=[18844], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18844 [pid 18842] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18840] <... clone resumed>, parent_tid=[18845], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18845 [pid 18842] <... futex resumed>) = 0 [pid 18840] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18842] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18840] <... futex resumed>) = 0 [pid 18840] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000}./strace-static-x86_64: Process 18844 attached [pid 18844] set_robust_list(0x7fe89d1609e0, 24 [pid 18843] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18841] mkdir("./file0", 0777 [pid 18843] <... prctl resumed>) = 0 ./strace-static-x86_64: Process 18845 attached [pid 18844] <... set_robust_list resumed>) = 0 [pid 18845] set_robust_list(0x7fe89d1609e0, 24 [pid 18844] mkdir("./file0", 0777 [pid 18843] setpgid(0, 0 [pid 18841] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18845] <... set_robust_list resumed>) = 0 [pid 18844] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18845] mkdir("./file0", 0777 [pid 18844] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18843] <... setpgid resumed>) = 0 [pid 18841] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18845] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18844] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18845] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18844] <... futex resumed>) = 1 [pid 18842] <... futex resumed>) = 0 [pid 18845] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18844] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18843] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18842] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18841] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18845] <... futex resumed>) = 1 [pid 18844] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18842] <... futex resumed>) = 0 [pid 18840] <... futex resumed>) = 0 [pid 18843] <... openat resumed>) = 3 [pid 18845] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18844] pipe2( [pid 18843] write(3, "1000", 4 [pid 18842] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18841] <... futex resumed>) = 1 [pid 18840] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18838] <... futex resumed>) = 0 [pid 18845] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18844] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18843] <... write resumed>) = 4 [pid 18841] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18840] <... futex resumed>) = 0 [pid 18838] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18845] pipe2( [pid 18844] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18843] close(3 [pid 18841] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18840] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18838] <... futex resumed>) = 0 [pid 18845] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18844] <... futex resumed>) = 1 [pid 18843] <... close resumed>) = 0 [pid 18842] <... futex resumed>) = 0 [pid 18841] pipe2( [pid 18838] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18845] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18844] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18843] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18842] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18841] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18845] <... futex resumed>) = 1 [pid 18844] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18843] <... futex resumed>) = 0 [pid 18842] <... futex resumed>) = 0 [pid 18841] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18840] <... futex resumed>) = 0 [pid 18845] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18844] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18843] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18842] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18841] <... futex resumed>) = 1 [pid 18840] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18839] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18838] <... futex resumed>) = 0 [pid 18845] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18843] <... mmap resumed>) = 0x7fe89d140000 [pid 18841] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18840] <... futex resumed>) = 0 [pid 18839] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18838] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18845] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18843] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18841] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18840] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18839] <... futex resumed>) = 1 [pid 18838] <... futex resumed>) = 0 [pid 18837] <... futex resumed>) = 0 [pid 18843] <... mprotect resumed>) = 0 [pid 18841] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18839] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18838] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18837] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18843] 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 18839] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18837] <... futex resumed>) = 0 [pid 18839] write(4, NULL, 126976 [pid 18837] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18843] <... clone resumed>, parent_tid=[18846], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18846 [pid 18839] <... write resumed>) = -1 EFAULT (Bad address) [pid 18843] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18839] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18843] <... futex resumed>) = 0 [pid 18839] <... futex resumed>) = 1 [pid 18837] <... futex resumed>) = 0 [pid 18843] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18839] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18837] exit_group(0 [pid 18839] <... futex resumed>) = ? [pid 18837] <... exit_group resumed>) = ? [pid 18844] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18841] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18841] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18839] +++ exited with 0 +++ [pid 18841] <... futex resumed>) = 1 [pid 18838] <... futex resumed>) = 0 [pid 18837] +++ exited with 0 +++ ./strace-static-x86_64: Process 18846 attached [pid 18845] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18844] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18841] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18838] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18837, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18846] set_robust_list(0x7fe89d1609e0, 24 [pid 18845] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18844] <... futex resumed>) = 1 [pid 18842] <... futex resumed>) = 0 [pid 18841] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18838] <... futex resumed>) = 0 [pid 18846] <... set_robust_list resumed>) = 0 [pid 18845] <... futex resumed>) = 1 [pid 18844] write(4, NULL, 126976 [pid 18842] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18841] write(4, NULL, 126976 [pid 18840] <... futex resumed>) = 0 [pid 18838] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18846] mkdir("./file0", 0777 [pid 18845] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18844] <... write resumed>) = -1 EFAULT (Bad address) [pid 18842] <... futex resumed>) = 0 [pid 18841] <... write resumed>) = -1 EFAULT (Bad address) [pid 18840] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18846] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18845] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18844] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18842] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18841] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18840] <... futex resumed>) = 0 [pid 18846] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18845] write(4, NULL, 126976 [pid 18844] <... futex resumed>) = 0 [pid 18842] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18841] <... futex resumed>) = 1 [pid 18840] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18838] <... futex resumed>) = 0 [pid 18846] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18845] <... write resumed>) = -1 EFAULT (Bad address) [pid 18844] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18842] exit_group(0 [pid 18841] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18838] exit_group(0 [pid 18846] <... futex resumed>) = 1 [pid 18845] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18844] <... futex resumed>) = ? [pid 18843] <... futex resumed>) = 0 [pid 18842] <... exit_group resumed>) = ? [pid 18841] <... futex resumed>) = ? [pid 18838] <... exit_group resumed>) = ? [pid 18846] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18845] <... futex resumed>) = 1 [pid 18844] +++ exited with 0 +++ [pid 18843] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18842] +++ exited with 0 +++ [pid 18841] +++ exited with 0 +++ [pid 18840] <... futex resumed>) = 0 [pid 18846] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18845] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18843] <... futex resumed>) = 0 [pid 18840] exit_group(0 [pid 18838] +++ exited with 0 +++ [pid 3610] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 18846] pipe2( [pid 18845] <... futex resumed>) = ? [pid 18843] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18840] <... exit_group resumed>) = ? [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18838, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3612] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18842, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18846] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18845] +++ exited with 0 +++ [pid 3610] <... openat resumed>) = 3 [pid 18840] +++ exited with 0 +++ [pid 3612] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 18846] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3610] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 3612] <... openat resumed>) = 3 [pid 3610] close(3 [pid 18846] <... futex resumed>) = 1 [pid 18843] <... futex resumed>) = 0 [pid 3613] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 3612] ioctl(3, LOOP_CLR_FD [pid 3610] <... close resumed>) = 0 [pid 18846] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18843] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3613] <... openat resumed>) = 3 [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 [pid 3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18840, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18846] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18843] <... futex resumed>) = 0 [pid 3613] ioctl(3, LOOP_CLR_FD [pid 3612] close(3 [pid 3609] restart_syscall(<... resuming interrupted clone ...> [pid 18846] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18843] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3613] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3612] <... close resumed>) = 0 [pid 3609] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 18847 attached [pid 3613] close(3 [pid 3612] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3610] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18847 [pid 18847] set_robust_list(0x55555697d6e0, 24) = 0 [pid 18847] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 18847] setpgid(0, 0) = 0 [pid 3613] <... close resumed>) = 0 [pid 18847] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3609] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 18847] <... openat resumed>) = 3 [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3612] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18848 [pid 18847] write(3, "1000", 4 [pid 3609] <... openat resumed>) = 3 [pid 18847] <... write resumed>) = 4 [pid 3609] ioctl(3, LOOP_CLR_FD [pid 18847] close(3 [pid 3613] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18849 [pid 18847] <... close resumed>) = 0 [pid 3609] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18847] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3609] close(3 [pid 18847] <... futex resumed>) = 0 [pid 18847] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3609] <... close resumed>) = 0 [pid 18847] <... mmap resumed>) = 0x7fe89d140000 [pid 3609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18847] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 18847] 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) = 18850 [pid 18847] <... clone resumed>, parent_tid=[18851], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18851 [pid 18847] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 18847] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000}./strace-static-x86_64: Process 18850 attached [pid 18850] set_robust_list(0x55555697d6e0, 24) = 0 [pid 18850] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 18850] setpgid(0, 0) = 0 [pid 18850] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 18851 attached ./strace-static-x86_64: Process 18849 attached ./strace-static-x86_64: Process 18848 attached ) = 3 [pid 18850] write(3, "1000", 4 [pid 18849] set_robust_list(0x55555697d6e0, 24 [pid 18848] set_robust_list(0x55555697d6e0, 24 [pid 18851] set_robust_list(0x7fe89d1609e0, 24) = 0 [pid 18850] <... write resumed>) = 4 [pid 18849] <... set_robust_list resumed>) = 0 [pid 18848] <... set_robust_list resumed>) = 0 [pid 18850] close(3) = 0 [pid 18848] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18846] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18851] mkdir("./file0", 0777 [pid 18850] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18849] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18848] <... prctl resumed>) = 0 [pid 18846] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18851] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18850] <... futex resumed>) = 0 [pid 18849] <... prctl resumed>) = 0 [pid 18848] setpgid(0, 0 [pid 18846] <... futex resumed>) = 1 [pid 18843] <... futex resumed>) = 0 [pid 18851] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18850] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18849] setpgid(0, 0 [pid 18848] <... setpgid resumed>) = 0 [pid 18846] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18843] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18851] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18850] <... mmap resumed>) = 0x7fe89d140000 [pid 18849] <... setpgid resumed>) = 0 [pid 18848] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18846] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18843] <... futex resumed>) = 0 [pid 18851] <... futex resumed>) = 1 [pid 18850] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18849] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18848] <... openat resumed>) = 3 [pid 18847] <... futex resumed>) = 0 [pid 18846] write(4, NULL, 126976 [pid 18843] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18851] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18850] <... mprotect resumed>) = 0 [pid 18849] <... openat resumed>) = 3 [pid 18848] write(3, "1000", 4 [pid 18847] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18846] <... write resumed>) = -1 EFAULT (Bad address) [pid 18851] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18850] 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 18849] write(3, "1000", 4 [pid 18848] <... write resumed>) = 4 [pid 18847] <... futex resumed>) = 0 [pid 18846] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18851] pipe2( [pid 18849] <... write resumed>) = 4 [pid 18848] close(3 [pid 18847] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18850] <... clone resumed>, parent_tid=[18852], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18852 [pid 18850] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 18850] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18846] <... futex resumed>) = 1 [pid 18843] <... futex resumed>) = 0 [pid 18851] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18849] close(3 [pid 18848] <... close resumed>) = 0 [pid 18846] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18843] exit_group(0 [pid 18851] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18849] <... close resumed>) = 0 [pid 18848] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18846] <... futex resumed>) = ? [pid 18843] <... exit_group resumed>) = ? [pid 18851] <... futex resumed>) = 1 [pid 18849] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18848] <... futex resumed>) = 0 [pid 18847] <... futex resumed>) = 0 [pid 18846] +++ exited with 0 +++ [pid 18843] +++ exited with 0 +++ [pid 18851] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18849] <... futex resumed>) = 0 [pid 18848] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18847] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18843, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18851] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18849] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18848] <... mmap resumed>) = 0x7fe89d140000 [pid 18847] <... futex resumed>) = 0 [pid 3611] restart_syscall(<... resuming interrupted clone ...> [pid 18851] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18849] <... mmap resumed>) = 0x7fe89d140000 [pid 18848] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18847] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3611] <... restart_syscall resumed>) = 0 [pid 18849] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18848] <... mprotect resumed>) = 0 [pid 18849] <... mprotect resumed>) = 0 [pid 18848] 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 18849] 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] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 18848] <... clone resumed>, parent_tid=[18853], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18853 [pid 3611] <... openat resumed>) = 3 [pid 18849] <... clone resumed>, parent_tid=[18854], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18854 [pid 18848] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] ioctl(3, LOOP_CLR_FD [pid 18849] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18848] <... futex resumed>) = 0 [pid 3611] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3611] close(3./strace-static-x86_64: Process 18854 attached ) = 0 [pid 18854] set_robust_list(0x7fe89d1609e0, 24 [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18854] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 18853 attached [pid 18854] mkdir("./file0", 0777 [pid 3611] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18855 [pid 18854] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18853] set_robust_list(0x7fe89d1609e0, 24 [pid 18854] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18853] <... set_robust_list resumed>) = 0 [pid 18854] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18853] mkdir("./file0", 0777./strace-static-x86_64: Process 18855 attached [pid 18854] <... futex resumed>) = 0 [pid 18853] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18855] set_robust_list(0x55555697d6e0, 24 [pid 18854] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18853] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18855] <... set_robust_list resumed>) = 0 [pid 18853] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18849] <... futex resumed>) = 0 [pid 18848] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18855] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18853] <... futex resumed>) = 0 [pid 18849] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18848] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ./strace-static-x86_64: Process 18852 attached [pid 18855] <... prctl resumed>) = 0 [pid 18853] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18849] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18848] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18855] setpgid(0, 0 [pid 18853] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18852] set_robust_list(0x7fe89d1609e0, 24 [pid 18849] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18848] <... futex resumed>) = 0 [pid 18855] <... setpgid resumed>) = 0 [pid 18854] <... futex resumed>) = 0 [pid 18853] pipe2( [pid 18849] <... futex resumed>) = 1 [pid 18848] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18855] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18854] pipe2( [pid 18853] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18852] <... set_robust_list resumed>) = 0 [pid 18849] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18855] <... openat resumed>) = 3 [pid 18854] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18853] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18852] mkdir("./file0", 0777 [pid 18855] write(3, "1000", 4 [pid 18854] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18853] <... futex resumed>) = 1 [pid 18852] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18848] <... futex resumed>) = 0 [pid 18855] <... write resumed>) = 4 [pid 18854] <... futex resumed>) = 1 [pid 18853] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18852] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18849] <... futex resumed>) = 0 [pid 18848] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18855] close(3 [pid 18854] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18853] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18852] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18849] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18848] <... futex resumed>) = 0 [pid 18855] <... close resumed>) = 0 [pid 18854] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18853] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18852] <... futex resumed>) = 1 [pid 18850] <... futex resumed>) = 0 [pid 18855] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18854] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18852] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18851] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18850] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18849] <... futex resumed>) = 0 [pid 18848] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18855] <... futex resumed>) = 0 [pid 18852] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18851] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18850] <... futex resumed>) = 0 [pid 18849] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18855] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18852] pipe2( [pid 18851] <... futex resumed>) = 1 [pid 18850] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18847] <... futex resumed>) = 0 [pid 18855] <... mmap resumed>) = 0x7fe89d140000 [pid 18854] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18853] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18852] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18851] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18847] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18855] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18854] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18852] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18851] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18847] <... futex resumed>) = 0 [pid 18855] <... mprotect resumed>) = 0 [pid 18854] <... futex resumed>) = 1 [pid 18853] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18852] <... futex resumed>) = 1 [pid 18851] write(4, NULL, 126976 [pid 18850] <... futex resumed>) = 0 [pid 18849] <... futex resumed>) = 0 [pid 18847] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18855] 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 18854] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18853] <... futex resumed>) = 1 [pid 18852] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18851] <... write resumed>) = -1 EFAULT (Bad address) [pid 18850] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18849] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18848] <... futex resumed>) = 0 ./strace-static-x86_64: Process 18856 attached [pid 18854] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18853] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18852] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18851] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18850] <... futex resumed>) = 0 [pid 18849] <... futex resumed>) = 0 [pid 18848] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18855] <... clone resumed>, parent_tid=[18856], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18856 [pid 18854] write(4, NULL, 126976 [pid 18853] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18852] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18851] <... futex resumed>) = 1 [pid 18850] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18849] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18848] <... futex resumed>) = 0 [pid 18847] <... futex resumed>) = 0 [pid 18856] set_robust_list(0x7fe89d1609e0, 24 [pid 18855] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18854] <... write resumed>) = -1 EFAULT (Bad address) [pid 18853] write(4, NULL, 126976 [pid 18851] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18848] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18847] exit_group(0 [pid 18856] <... set_robust_list resumed>) = 0 [pid 18855] <... futex resumed>) = 0 [pid 18853] <... write resumed>) = -1 EFAULT (Bad address) [pid 18851] <... futex resumed>) = ? [pid 18847] <... exit_group resumed>) = ? [pid 18856] mkdir("./file0", 0777 [pid 18855] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18854] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18853] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18851] +++ exited with 0 +++ [pid 18847] +++ exited with 0 +++ [pid 18856] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18854] <... futex resumed>) = 1 [pid 18853] <... futex resumed>) = 1 [pid 18849] <... futex resumed>) = 0 [pid 18848] <... futex resumed>) = 0 [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18847, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18856] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18854] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18853] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18849] exit_group(0 [pid 18848] exit_group(0 [pid 18856] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18854] <... futex resumed>) = ? [pid 18853] <... futex resumed>) = ? [pid 18852] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18849] <... exit_group resumed>) = ? [pid 18848] <... exit_group resumed>) = ? [pid 18856] <... futex resumed>) = 1 [pid 18855] <... futex resumed>) = 0 [pid 18854] +++ exited with 0 +++ [pid 18853] +++ exited with 0 +++ [pid 18852] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18849] +++ exited with 0 +++ [pid 18848] +++ exited with 0 +++ [pid 18856] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18855] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18852] <... futex resumed>) = 1 [pid 18850] <... futex resumed>) = 0 [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18849, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3612] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18848, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3610] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 18856] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18855] <... futex resumed>) = 0 [pid 18852] write(4, NULL, 126976 [pid 18850] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3613] restart_syscall(<... resuming interrupted clone ...> [pid 3612] restart_syscall(<... resuming interrupted clone ...> [pid 18856] pipe2( [pid 18855] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18852] <... write resumed>) = -1 EFAULT (Bad address) [pid 18850] <... futex resumed>) = 0 [pid 3613] <... restart_syscall resumed>) = 0 [pid 3612] <... restart_syscall resumed>) = 0 [pid 3610] <... openat resumed>) = 3 [pid 18856] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18852] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18850] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3610] ioctl(3, LOOP_CLR_FD [pid 18856] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18852] <... futex resumed>) = 0 [pid 18850] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18856] <... futex resumed>) = 1 [pid 18855] <... futex resumed>) = 0 [pid 18852] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18850] exit_group(0 [pid 3613] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 3612] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3610] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18856] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18855] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18852] <... futex resumed>) = ? [pid 18850] <... exit_group resumed>) = ? [pid 3613] <... openat resumed>) = 3 [pid 3612] <... openat resumed>) = 3 [pid 18856] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18855] <... futex resumed>) = 0 [pid 3613] ioctl(3, LOOP_CLR_FD [pid 3612] ioctl(3, LOOP_CLR_FD [pid 3610] close(3 [pid 18856] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18855] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3613] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3612] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3610] <... close resumed>) = 0 [pid 18852] +++ exited with 0 +++ [pid 18850] +++ exited with 0 +++ [pid 3613] close(3 [pid 3612] close(3 [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3613] <... close resumed>) = 0 [pid 3612] <... close resumed>) = 0 [pid 3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18850, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [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 3610] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18857 [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 3609] close(3) = 0 [pid 3609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555697d6d0) = 18858 ./strace-static-x86_64: Process 18858 attached [pid 18858] set_robust_list(0x55555697d6e0, 24 [pid 3612] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18859 [pid 3613] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18860 [pid 18858] <... set_robust_list resumed>) = 0 [pid 18858] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 ./strace-static-x86_64: Process 18860 attached [pid 18858] setpgid(0, 0./strace-static-x86_64: Process 18857 attached [pid 18860] set_robust_list(0x55555697d6e0, 24 [pid 18858] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 18859 attached [pid 18860] <... set_robust_list resumed>) = 0 [pid 18858] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18857] set_robust_list(0x55555697d6e0, 24 [pid 18860] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18859] set_robust_list(0x55555697d6e0, 24 [pid 18858] <... openat resumed>) = 3 [pid 18857] <... set_robust_list resumed>) = 0 [pid 18860] <... prctl resumed>) = 0 [pid 18859] <... set_robust_list resumed>) = 0 [pid 18858] write(3, "1000", 4 [pid 18856] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18860] setpgid(0, 0 [pid 18859] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18858] <... write resumed>) = 4 [pid 18857] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18856] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18859] <... prctl resumed>) = 0 [pid 18858] close(3 [pid 18859] setpgid(0, 0 [pid 18858] <... close resumed>) = 0 [pid 18860] <... setpgid resumed>) = 0 [pid 18859] <... setpgid resumed>) = 0 [pid 18858] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18857] <... prctl resumed>) = 0 [pid 18856] <... futex resumed>) = 1 [pid 18855] <... futex resumed>) = 0 [pid 18860] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18859] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18858] <... futex resumed>) = 0 [pid 18857] setpgid(0, 0 [pid 18856] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18855] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18860] <... openat resumed>) = 3 [pid 18859] <... openat resumed>) = 3 [pid 18858] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18857] <... setpgid resumed>) = 0 [pid 18856] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18855] <... futex resumed>) = 0 [pid 18860] write(3, "1000", 4 [pid 18859] write(3, "1000", 4 [pid 18858] <... mmap resumed>) = 0x7fe89d140000 [pid 18857] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18856] write(4, NULL, 126976 [pid 18855] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18860] <... write resumed>) = 4 [pid 18859] <... write resumed>) = 4 [pid 18858] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18857] <... openat resumed>) = 3 [pid 18856] <... write resumed>) = -1 EFAULT (Bad address) [pid 18860] close(3 [pid 18859] close(3 [pid 18858] <... mprotect resumed>) = 0 [pid 18857] write(3, "1000", 4 [pid 18856] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18860] <... close resumed>) = 0 [pid 18859] <... close resumed>) = 0 [pid 18858] 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 18857] <... write resumed>) = 4 [pid 18856] <... futex resumed>) = 1 [pid 18855] <... futex resumed>) = 0 [pid 18860] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18859] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18857] close(3 [pid 18856] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18855] exit_group(0 [pid 18860] <... futex resumed>) = 0 [pid 18859] <... futex resumed>) = 0 [pid 18858] <... clone resumed>, parent_tid=[18861], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18861 [pid 18857] <... close resumed>) = 0 [pid 18856] <... futex resumed>) = ? [pid 18855] <... exit_group resumed>) = ? [pid 18860] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18859] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18858] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18857] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18856] +++ exited with 0 +++ [pid 18855] +++ exited with 0 +++ [pid 18860] <... mmap resumed>) = 0x7fe89d140000 [pid 18859] <... mmap resumed>) = 0x7fe89d140000 [pid 18858] <... futex resumed>) = 0 [pid 18857] <... futex resumed>) = 0 [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18855, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- ./strace-static-x86_64: Process 18861 attached [pid 18860] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18859] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18858] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18857] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18860] <... mprotect resumed>) = 0 [pid 18859] <... mprotect resumed>) = 0 [pid 18857] <... mmap resumed>) = 0x7fe89d140000 [pid 18861] set_robust_list(0x7fe89d1609e0, 24 [pid 18860] 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 18859] 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 18857] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18861] <... set_robust_list resumed>) = 0 [pid 18857] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 18863 attached ./strace-static-x86_64: Process 18862 attached [pid 18861] mkdir("./file0", 0777 [pid 18860] <... clone resumed>, parent_tid=[18863], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18863 [pid 18859] <... clone resumed>, parent_tid=[18862], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18862 [pid 18857] 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 18863] set_robust_list(0x7fe89d1609e0, 24 [pid 18861] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18859] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 18862] set_robust_list(0x7fe89d1609e0, 24 [pid 18863] <... set_robust_list resumed>) = 0 [pid 18861] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18860] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18859] <... futex resumed>) = 0 [pid 3611] <... openat resumed>) = 3 [pid 18861] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18860] <... futex resumed>) = 0 [pid 18859] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18857] <... clone resumed>, parent_tid=[18864], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18864 [pid 3611] ioctl(3, LOOP_CLR_FD [pid 18861] <... futex resumed>) = 1 [pid 18860] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18858] <... futex resumed>) = 0 [pid 18857] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] <... ioctl resumed>) = -1 ENXIO (No such device or address) ./strace-static-x86_64: Process 18864 attached [pid 18863] mkdir("./file0", 0777 [pid 18861] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18858] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18857] <... futex resumed>) = 0 [pid 3611] close(3 [pid 18864] set_robust_list(0x7fe89d1609e0, 24 [pid 18863] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18861] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18858] <... futex resumed>) = 0 [pid 18857] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 3611] <... close resumed>) = 0 [pid 18864] <... set_robust_list resumed>) = 0 [pid 18862] <... set_robust_list resumed>) = 0 [pid 18863] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18861] pipe2( [pid 18858] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18865 attached [pid 18864] mkdir("./file0", 0777 [pid 18862] mkdir("./file0", 0777 [pid 18863] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18861] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18864] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18862] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18863] <... futex resumed>) = 1 [pid 18861] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18860] <... futex resumed>) = 0 [pid 3611] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18865 [pid 18864] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18862] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18863] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18861] <... futex resumed>) = 1 [pid 18860] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18858] <... futex resumed>) = 0 [pid 18864] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18862] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18863] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18861] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18860] <... futex resumed>) = 0 [pid 18858] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18865] set_robust_list(0x55555697d6e0, 24 [pid 18864] <... futex resumed>) = 1 [pid 18862] <... futex resumed>) = 1 [pid 18863] pipe2( [pid 18861] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18860] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18859] <... futex resumed>) = 0 [pid 18858] <... futex resumed>) = 0 [pid 18857] <... futex resumed>) = 0 [pid 18864] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18862] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18863] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18861] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18859] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18858] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18857] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18865] <... set_robust_list resumed>) = 0 [pid 18864] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18862] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18863] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18859] <... futex resumed>) = 0 [pid 18857] <... futex resumed>) = 0 [pid 18865] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18864] pipe2( [pid 18862] pipe2( [pid 18863] <... futex resumed>) = 1 [pid 18860] <... futex resumed>) = 0 [pid 18859] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18857] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18865] <... prctl resumed>) = 0 [pid 18864] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18862] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18863] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18860] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18865] setpgid(0, 0 [pid 18864] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18862] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18863] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18860] <... futex resumed>) = 0 [pid 18865] <... setpgid resumed>) = 0 [pid 18864] <... futex resumed>) = 1 [pid 18862] <... futex resumed>) = 1 [pid 18863] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18860] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18859] <... futex resumed>) = 0 [pid 18857] <... futex resumed>) = 0 [pid 18865] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18864] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18862] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18859] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18857] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18865] <... openat resumed>) = 3 [pid 18864] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18862] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18859] <... futex resumed>) = 0 [pid 18857] <... futex resumed>) = 0 [pid 18865] write(3, "1000", 4 [pid 18864] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18862] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18859] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18857] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18865] <... write resumed>) = 4 [pid 18865] close(3) = 0 [pid 18865] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 18865] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe89d140000 [pid 18865] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 18865] 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 18866 attached , parent_tid=[18866], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18866 [pid 18866] set_robust_list(0x7fe89d1609e0, 24 [pid 18865] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 18865] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18866] <... set_robust_list resumed>) = 0 [pid 18866] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 18866] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18866] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 18865] <... futex resumed>) = 0 [pid 18866] pipe2( [pid 18865] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18866] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18865] <... futex resumed>) = 0 [pid 18866] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18865] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18866] <... futex resumed>) = 0 [pid 18865] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18866] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18865] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 18861] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18865] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18861] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 18858] <... futex resumed>) = 0 [pid 18861] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18858] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18861] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18858] <... futex resumed>) = 0 [pid 18861] write(4, NULL, 126976 [pid 18858] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18863] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18861] <... write resumed>) = -1 EFAULT (Bad address) [pid 18862] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18863] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18861] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18862] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18863] <... futex resumed>) = 1 [pid 18861] <... futex resumed>) = 1 [pid 18864] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18860] <... futex resumed>) = 0 [pid 18858] <... futex resumed>) = 0 [pid 18864] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18862] <... futex resumed>) = 1 [pid 18863] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18861] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18860] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18859] <... futex resumed>) = 0 [pid 18858] exit_group(0 [pid 18864] <... futex resumed>) = 1 [pid 18862] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18863] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18861] <... futex resumed>) = ? [pid 18860] <... futex resumed>) = 0 [pid 18859] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18858] <... exit_group resumed>) = ? [pid 18857] <... futex resumed>) = 0 [pid 18866] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18864] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18862] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18863] write(4, NULL, 126976 [pid 18861] +++ exited with 0 +++ [pid 18860] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18859] <... futex resumed>) = 0 [pid 18866] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18864] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18862] write(4, NULL, 126976 [pid 18863] <... write resumed>) = -1 EFAULT (Bad address) [pid 18859] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18858] +++ exited with 0 +++ [pid 18857] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18866] <... futex resumed>) = 1 [pid 18865] <... futex resumed>) = 0 [pid 18864] write(4, NULL, 126976 [pid 18862] <... write resumed>) = -1 EFAULT (Bad address) [pid 18863] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18857] <... futex resumed>) = 0 [pid 18866] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18865] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18864] <... write resumed>) = -1 EFAULT (Bad address) [pid 18862] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18863] <... futex resumed>) = 1 [pid 18860] <... futex resumed>) = 0 [pid 18857] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18858, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 18866] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18865] <... futex resumed>) = 0 [pid 18864] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18862] <... futex resumed>) = 1 [pid 18863] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18860] exit_group(0 [pid 18859] <... futex resumed>) = 0 [pid 18857] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3609] restart_syscall(<... resuming interrupted clone ...> [pid 18866] write(4, NULL, 126976 [pid 18865] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18864] <... futex resumed>) = 0 [pid 18862] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18863] <... futex resumed>) = ? [pid 18860] <... exit_group resumed>) = ? [pid 18859] exit_group(0 [pid 18857] exit_group(0 [pid 3609] <... restart_syscall resumed>) = 0 [pid 18866] <... write resumed>) = -1 EFAULT (Bad address) [pid 18864] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18862] <... futex resumed>) = ? [pid 18863] +++ exited with 0 +++ [pid 18859] <... exit_group resumed>) = ? [pid 18866] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18864] <... futex resumed>) = ? [pid 18862] +++ exited with 0 +++ [pid 18860] +++ exited with 0 +++ [pid 18859] +++ exited with 0 +++ [pid 18857] <... exit_group resumed>) = ? [pid 18866] <... futex resumed>) = 1 [pid 18865] <... futex resumed>) = 0 [pid 18864] +++ exited with 0 +++ [pid 3612] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18859, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18866] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18865] exit_group(0 [pid 3609] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 18866] <... futex resumed>) = ? [pid 18865] <... exit_group resumed>) = ? [pid 18857] +++ exited with 0 +++ [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18860, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3609] <... openat resumed>) = 3 [pid 18866] +++ exited with 0 +++ [pid 18865] +++ exited with 0 +++ [pid 3612] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3609] ioctl(3, LOOP_CLR_FD [pid 3612] <... openat resumed>) = 3 [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18865, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18857, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3609] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3612] ioctl(3, LOOP_CLR_FD [pid 3611] restart_syscall(<... resuming interrupted clone ...> [pid 3610] restart_syscall(<... resuming interrupted clone ...> [pid 3609] close(3 [pid 3612] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3611] <... restart_syscall resumed>) = 0 [pid 3610] <... restart_syscall resumed>) = 0 [pid 3609] <... close resumed>) = 0 [pid 3613] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 3611] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 3610] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 3613] <... openat resumed>) = 3 [pid 3611] <... openat resumed>) = 3 [pid 3610] <... openat resumed>) = 3 [pid 3613] ioctl(3, LOOP_CLR_FD [pid 3611] ioctl(3, LOOP_CLR_FD [pid 3610] ioctl(3, LOOP_CLR_FD [pid 3613] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3611] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3610] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3613] close(3 [pid 3611] close(3 [pid 3610] close(3 [pid 3613] <... close resumed>) = 0 [pid 3611] <... close resumed>) = 0 [pid 3610] <... close resumed>) = 0 [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 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18867 attached [pid 3612] close(3 [pid 3609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18868 attached [pid 18867] set_robust_list(0x55555697d6e0, 24 [pid 3613] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18867 [pid 3612] <... close resumed>) = 0 [pid 3611] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18868 [pid 3610] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18869 [pid 18868] set_robust_list(0x55555697d6e0, 24 [pid 18867] <... set_robust_list resumed>) = 0 [pid 3612] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18868] <... set_robust_list resumed>) = 0 [pid 18867] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3609] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18870 [pid 18868] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18867] setpgid(0, 0 [pid 3612] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18871 [pid 18867] <... setpgid resumed>) = 0 [pid 18867] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 18869 attached ) = 3 [pid 18869] set_robust_list(0x55555697d6e0, 24 [pid 18867] write(3, "1000", 4./strace-static-x86_64: Process 18871 attached [pid 18869] <... set_robust_list resumed>) = 0 [pid 18868] <... prctl resumed>) = 0 [pid 18867] <... write resumed>) = 4 ./strace-static-x86_64: Process 18870 attached [pid 18871] set_robust_list(0x55555697d6e0, 24 [pid 18869] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18868] setpgid(0, 0 [pid 18867] close(3 [pid 18871] <... set_robust_list resumed>) = 0 [pid 18870] set_robust_list(0x55555697d6e0, 24 [pid 18869] <... prctl resumed>) = 0 [pid 18868] <... setpgid resumed>) = 0 [pid 18867] <... close resumed>) = 0 [pid 18871] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18870] <... set_robust_list resumed>) = 0 [pid 18869] setpgid(0, 0 [pid 18868] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18867] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18871] <... prctl resumed>) = 0 [pid 18870] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18869] <... setpgid resumed>) = 0 [pid 18868] <... openat resumed>) = 3 [pid 18867] <... futex resumed>) = 0 [pid 18870] <... prctl resumed>) = 0 [pid 18868] write(3, "1000", 4 [pid 18867] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18871] setpgid(0, 0 [pid 18870] setpgid(0, 0 [pid 18869] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18868] <... write resumed>) = 4 [pid 18867] <... mmap resumed>) = 0x7fe89d140000 [pid 18871] <... setpgid resumed>) = 0 [pid 18870] <... setpgid resumed>) = 0 [pid 18868] close(3 [pid 18867] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18870] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18869] <... openat resumed>) = 3 [pid 18868] <... close resumed>) = 0 [pid 18867] <... mprotect resumed>) = 0 [pid 18871] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18870] <... openat resumed>) = 3 [pid 18869] write(3, "1000", 4 [pid 18868] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18867] 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 18872 attached [pid 18871] <... openat resumed>) = 3 [pid 18870] write(3, "1000", 4 [pid 18869] <... write resumed>) = 4 [pid 18868] <... futex resumed>) = 0 [pid 18871] write(3, "1000", 4 [pid 18870] <... write resumed>) = 4 [pid 18869] close(3 [pid 18868] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18867] <... clone resumed>, parent_tid=[18872], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18872 [pid 18872] set_robust_list(0x7fe89d1609e0, 24 [pid 18871] <... write resumed>) = 4 [pid 18870] close(3 [pid 18869] <... close resumed>) = 0 [pid 18868] <... mmap resumed>) = 0x7fe89d140000 [pid 18867] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18871] close(3 [pid 18870] <... close resumed>) = 0 [pid 18869] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18868] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18867] <... futex resumed>) = 0 [pid 18872] <... set_robust_list resumed>) = 0 [pid 18871] <... close resumed>) = 0 [pid 18870] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18869] <... futex resumed>) = 0 [pid 18868] <... mprotect resumed>) = 0 [pid 18867] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18871] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18870] <... futex resumed>) = 0 [pid 18869] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18868] 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 18872] mkdir("./file0", 0777 [pid 18871] <... futex resumed>) = 0 [pid 18870] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18869] <... mmap resumed>) = 0x7fe89d140000 [pid 18871] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18870] <... mmap resumed>) = 0x7fe89d140000 [pid 18869] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18868] <... clone resumed>, parent_tid=[18873], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18873 ./strace-static-x86_64: Process 18873 attached [pid 18872] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18871] <... mmap resumed>) = 0x7fe89d140000 [pid 18870] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18869] <... mprotect resumed>) = 0 [pid 18868] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18872] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18871] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18870] <... mprotect resumed>) = 0 [pid 18869] 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 18873] set_robust_list(0x7fe89d1609e0, 24 [pid 18868] <... futex resumed>) = 0 [pid 18873] <... set_robust_list resumed>) = 0 [pid 18872] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18871] <... mprotect resumed>) = 0 [pid 18870] 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 18868] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18873] mkdir("./file0", 0777 [pid 18872] <... futex resumed>) = 1 [pid 18871] 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 18869] <... clone resumed>, parent_tid=[18874], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18874 [pid 18867] <... futex resumed>) = 0 ./strace-static-x86_64: Process 18875 attached ./strace-static-x86_64: Process 18874 attached [pid 18873] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18872] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18869] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18873] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18872] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18870] <... clone resumed>, parent_tid=[18875], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18875 [pid 18869] <... futex resumed>) = 0 [pid 18867] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18874] set_robust_list(0x7fe89d1609e0, 24 [pid 18873] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18872] pipe2( [pid 18871] <... clone resumed>, parent_tid=[18876], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18876 [pid 18870] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18869] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18867] <... futex resumed>) = 0 ./strace-static-x86_64: Process 18876 attached [pid 18873] <... futex resumed>) = 1 [pid 18872] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18871] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18870] <... futex resumed>) = 0 [pid 18868] <... futex resumed>) = 0 [pid 18867] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18876] set_robust_list(0x7fe89d1609e0, 24 [pid 18875] set_robust_list(0x7fe89d1609e0, 24 [pid 18874] <... set_robust_list resumed>) = 0 [pid 18873] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18872] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18871] <... futex resumed>) = 0 [pid 18870] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18868] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18867] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18874] mkdir("./file0", 0777 [pid 18873] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18872] <... futex resumed>) = 0 [pid 18871] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18868] <... futex resumed>) = 0 [pid 18867] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18876] <... set_robust_list resumed>) = 0 [pid 18875] <... set_robust_list resumed>) = 0 [pid 18874] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18873] pipe2( [pid 18872] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18868] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18867] <... futex resumed>) = 0 [pid 18873] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18873] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18867] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18873] <... futex resumed>) = 1 [pid 18868] <... futex resumed>) = 0 [pid 18873] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18868] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18873] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18868] <... futex resumed>) = 0 [pid 18873] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18868] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18876] mkdir("./file0", 0777 [pid 18875] mkdir("./file0", 0777 [pid 18874] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18876] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18875] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18874] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18876] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18875] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18874] <... futex resumed>) = 1 [pid 18869] <... futex resumed>) = 0 [pid 18876] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18874] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18869] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18876] <... futex resumed>) = 1 [pid 18875] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18874] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18871] <... futex resumed>) = 0 [pid 18869] <... futex resumed>) = 0 [pid 18876] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18875] <... futex resumed>) = 1 [pid 18874] pipe2( [pid 18871] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18870] <... futex resumed>) = 0 [pid 18869] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18876] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18875] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18874] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18871] <... futex resumed>) = 0 [pid 18870] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18876] pipe2( [pid 18875] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18874] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18871] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18870] <... futex resumed>) = 0 [pid 18876] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18875] pipe2( [pid 18874] <... futex resumed>) = 1 [pid 18870] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18869] <... futex resumed>) = 0 [pid 18876] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18875] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18874] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18869] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18876] <... futex resumed>) = 1 [pid 18875] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18874] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18871] <... futex resumed>) = 0 [pid 18869] <... futex resumed>) = 0 [pid 18876] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18875] <... futex resumed>) = 1 [pid 18874] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18871] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18870] <... futex resumed>) = 0 [pid 18869] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18876] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18875] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18871] <... futex resumed>) = 0 [pid 18870] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18876] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18871] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18875] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18870] <... futex resumed>) = 0 [pid 18870] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18875] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18873] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18872] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18873] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18872] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18873] <... futex resumed>) = 1 [pid 18872] <... futex resumed>) = 1 [pid 18868] <... futex resumed>) = 0 [pid 18867] <... futex resumed>) = 0 [pid 18873] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18872] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18868] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18873] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18868] <... futex resumed>) = 0 [pid 18873] write(4, NULL, 126976 [pid 18868] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18867] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18873] <... write resumed>) = -1 EFAULT (Bad address) [pid 18873] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 18872] <... futex resumed>) = 0 [pid 18868] <... futex resumed>) = 0 [pid 18867] <... futex resumed>) = 1 [pid 18873] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18872] write(4, NULL, 126976 [pid 18868] exit_group(0 [pid 18873] <... futex resumed>) = ? [pid 18872] <... write resumed>) = -1 EFAULT (Bad address) [pid 18868] <... exit_group resumed>) = ? [pid 18873] +++ exited with 0 +++ [pid 18872] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18868] +++ exited with 0 +++ [pid 18867] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18872] <... futex resumed>) = 0 [pid 18867] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18872] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18868, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18867] exit_group(0 [pid 3611] restart_syscall(<... resuming interrupted clone ...> [pid 18872] <... futex resumed>) = ? [pid 18867] <... exit_group resumed>) = ? [pid 3611] <... restart_syscall resumed>) = 0 [pid 18872] +++ exited with 0 +++ [pid 3611] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 3611] ioctl(3, LOOP_CLR_FD [pid 18867] +++ exited with 0 +++ [pid 3611] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18867, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3611] close(3 [pid 3613] restart_syscall(<... resuming interrupted clone ...> [pid 3611] <... close resumed>) = 0 [pid 3613] <... restart_syscall resumed>) = 0 [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555697d6d0) = 18877 [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, child_tidptr=0x55555697d6d0) = 18878 [pid 18874] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18874] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 18869] <... futex resumed>) = 0 [pid 18869] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 18869] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18874] write(4, NULL, 126976./strace-static-x86_64: Process 18878 attached [pid 18878] set_robust_list(0x55555697d6e0, 24 [pid 18876] <... mount resumed>) = -1 EFAULT (Bad address) ./strace-static-x86_64: Process 18877 attached [pid 18878] <... set_robust_list resumed>) = 0 [pid 18876] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18874] <... write resumed>) = -1 EFAULT (Bad address) [pid 18878] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18877] set_robust_list(0x55555697d6e0, 24 [pid 18876] <... futex resumed>) = 1 [pid 18874] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18871] <... futex resumed>) = 0 [pid 18878] <... prctl resumed>) = 0 [pid 18877] <... set_robust_list resumed>) = 0 [pid 18876] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18875] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18874] <... futex resumed>) = 1 [pid 18871] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18870] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 18869] <... futex resumed>) = 0 [pid 18878] setpgid(0, 0 [pid 18877] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18874] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18871] <... futex resumed>) = 0 [pid 18870] futex(0x7fe89d2384dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18876] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18869] exit_group(0 [pid 18878] <... setpgid resumed>) = 0 [pid 18877] <... prctl resumed>) = 0 [pid 18876] write(4, NULL, 126976 [pid 18875] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18874] <... futex resumed>) = ? [pid 18871] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18870] <... futex resumed>) = 0 [pid 18869] <... exit_group resumed>) = ? [pid 18878] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18877] setpgid(0, 0 [pid 18876] <... write resumed>) = -1 EFAULT (Bad address) [pid 18875] <... futex resumed>) = 0 [pid 18874] +++ exited with 0 +++ [pid 18870] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18878] <... openat resumed>) = 3 [pid 18877] <... setpgid resumed>) = 0 [pid 18869] +++ exited with 0 +++ [pid 18878] write(3, "1000", 4 [pid 18877] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18876] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18875] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18870] <... mmap resumed>) = 0x7fe89d11f000 [pid 18878] <... write resumed>) = 4 [pid 18877] <... openat resumed>) = 3 [pid 18876] <... futex resumed>) = 1 [pid 18871] <... futex resumed>) = 0 [pid 18870] mprotect(0x7fe89d120000, 131072, PROT_READ|PROT_WRITE [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18869, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18878] close(3 [pid 18877] write(3, "1000", 4 [pid 18876] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18871] exit_group(0 [pid 18870] <... mprotect resumed>) = 0 [pid 3610] restart_syscall(<... resuming interrupted clone ...> [pid 18878] <... close resumed>) = 0 [pid 18877] <... write resumed>) = 4 [pid 18876] <... futex resumed>) = ? [pid 18871] <... exit_group resumed>) = ? [pid 18870] 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 3610] <... restart_syscall resumed>) = 0 [pid 18878] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18877] close(3 [pid 18878] <... futex resumed>) = 0 [pid 18877] <... close resumed>) = 0 [pid 18870] <... clone resumed>, parent_tid=[18879], tls=0x7fe89d13f700, child_tidptr=0x7fe89d13f9d0) = 18879 [pid 18878] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18877] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18870] futex(0x7fe89d2384d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3610] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 18878] <... mmap resumed>) = 0x7fe89d140000 [pid 18877] <... futex resumed>) = 0 [pid 18876] +++ exited with 0 +++ [pid 18871] +++ exited with 0 +++ [pid 18870] <... futex resumed>) = 0 [pid 3610] <... openat resumed>) = 3 [pid 18878] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18877] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18870] futex(0x7fe89d2384dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3612] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18871, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3610] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 18879 attached [pid 18878] <... mprotect resumed>) = 0 [pid 18877] <... mmap resumed>) = 0x7fe89d140000 [pid 3610] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18879] set_robust_list(0x7fe89d13f9e0, 24 [pid 18878] 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 18877] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 3610] close(3./strace-static-x86_64: Process 18880 attached [pid 18879] <... set_robust_list resumed>) = 0 [pid 18877] <... mprotect resumed>) = 0 [pid 3612] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3610] <... close resumed>) = 0 [pid 18880] set_robust_list(0x7fe89d1609e0, 24 [pid 18879] write(4, NULL, 126976 [pid 18878] <... clone resumed>, parent_tid=[18880], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18880 [pid 18877] 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 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18881 attached [pid 18880] <... set_robust_list resumed>) = 0 [pid 18879] <... write resumed>) = -1 EFAULT (Bad address) [pid 18878] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3612] ioctl(3, LOOP_CLR_FD [pid 18880] mkdir("./file0", 0777 [pid 18879] futex(0x7fe89d2384dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18878] <... futex resumed>) = 0 [pid 18877] <... clone resumed>, parent_tid=[18881], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18881 [pid 3612] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3610] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18882 ./strace-static-x86_64: Process 18882 attached [pid 18881] set_robust_list(0x7fe89d1609e0, 24 [pid 18880] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18879] <... futex resumed>) = 1 [pid 18878] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18877] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18870] <... futex resumed>) = 0 [pid 3612] close(3 [pid 18882] set_robust_list(0x55555697d6e0, 24 [pid 18881] <... set_robust_list resumed>) = 0 [pid 18880] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18879] futex(0x7fe89d2384d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18877] <... futex resumed>) = 0 [pid 18870] exit_group(0 [pid 3612] <... close resumed>) = 0 [pid 18881] mkdir("./file0", 0777 [pid 18880] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18879] <... futex resumed>) = ? [pid 18877] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18875] <... futex resumed>) = ? [pid 18870] <... exit_group resumed>) = ? [pid 18882] <... set_robust_list resumed>) = 0 [pid 3612] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18881] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18880] <... futex resumed>) = 1 [pid 18879] +++ exited with 0 +++ [pid 18878] <... futex resumed>) = 0 [pid 18875] +++ exited with 0 +++ [pid 18870] +++ exited with 0 +++ [pid 18878] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18881] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18880] pipe2( [pid 18878] <... futex resumed>) = 0 [pid 3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18870, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18881] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18880] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18878] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3612] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18883 [pid 18881] <... futex resumed>) = 1 [pid 18880] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18878] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18877] <... futex resumed>) = 0 ./strace-static-x86_64: Process 18883 attached [pid 18881] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18880] <... futex resumed>) = 0 [pid 18878] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18877] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3609] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 18883] set_robust_list(0x55555697d6e0, 24 [pid 18882] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18881] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18880] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18878] <... futex resumed>) = 0 [pid 18877] <... futex resumed>) = 0 [pid 18883] <... set_robust_list resumed>) = 0 [pid 18881] pipe2( [pid 18878] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18877] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3609] <... openat resumed>) = 3 [pid 18883] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 18883] setpgid(0, 0 [pid 3609] ioctl(3, LOOP_CLR_FD [pid 18883] <... setpgid resumed>) = 0 [pid 18881] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18883] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 18881] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3609] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18883] write(3, "1000", 4 [pid 18881] <... futex resumed>) = 1 [pid 18877] <... futex resumed>) = 0 [pid 3609] close(3 [pid 18883] <... write resumed>) = 4 [pid 18877] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18881] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18883] close(3 [pid 18882] <... prctl resumed>) = 0 [pid 18877] <... futex resumed>) = 0 [pid 3609] <... close resumed>) = 0 [pid 18883] <... close resumed>) = 0 [pid 18877] 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 18883] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18882] setpgid(0, 0 [pid 18883] <... futex resumed>) = 0 [pid 18882] <... setpgid resumed>) = 0 [pid 18883] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe89d140000 [pid 18883] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 18883] 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=[18885], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18885 [pid 18883] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 18883] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000}./strace-static-x86_64: Process 18884 attached [pid 18884] set_robust_list(0x55555697d6e0, 24) = 0 [pid 3609] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18884 [pid 18884] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 18884] setpgid(0, 0) = 0 [pid 18884] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 18880] <... mount resumed>) = -1 EFAULT (Bad address) ./strace-static-x86_64: Process 18885 attached [pid 18884] write(3, "1000", 4 [pid 18880] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18885] set_robust_list(0x7fe89d1609e0, 24 [pid 18884] <... write resumed>) = 4 [pid 18882] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18880] <... futex resumed>) = 1 [pid 18878] <... futex resumed>) = 0 [pid 18885] <... set_robust_list resumed>) = 0 [pid 18884] close(3 [pid 18878] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18885] mkdir("./file0", 0777 [pid 18884] <... close resumed>) = 0 [pid 18882] <... openat resumed>) = 3 [pid 18880] write(4, NULL, 126976 [pid 18878] <... futex resumed>) = 0 [pid 18885] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18884] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18882] write(3, "1000", 4 [pid 18880] <... write resumed>) = -1 EFAULT (Bad address) [pid 18878] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18885] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18884] <... futex resumed>) = 0 [pid 18882] <... write resumed>) = 4 [pid 18880] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18878] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18881] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18885] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18884] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18882] close(3 [pid 18880] <... futex resumed>) = 0 [pid 18881] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18878] exit_group(0 [pid 18885] <... futex resumed>) = 1 [pid 18884] <... mmap resumed>) = 0x7fe89d140000 [pid 18883] <... futex resumed>) = 0 [pid 18882] <... close resumed>) = 0 [pid 18881] <... futex resumed>) = 1 [pid 18878] <... exit_group resumed>) = ? [pid 18877] <... futex resumed>) = 0 [pid 18885] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18884] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18883] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18882] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18881] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18880] +++ exited with 0 +++ [pid 18878] +++ exited with 0 +++ [pid 18877] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18885] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18884] <... mprotect resumed>) = 0 [pid 18883] <... futex resumed>) = 0 [pid 18882] <... futex resumed>) = 0 [pid 18881] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18877] <... futex resumed>) = 0 [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18878, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18885] pipe2( [pid 18884] 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 18883] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18882] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18881] write(4, NULL, 126976 [pid 18877] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3613] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 18886 attached [pid 18885] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18882] <... mmap resumed>) = 0x7fe89d140000 [pid 18881] <... write resumed>) = -1 EFAULT (Bad address) [pid 3613] <... restart_syscall resumed>) = 0 [pid 18886] set_robust_list(0x7fe89d1609e0, 24 [pid 18885] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18884] <... clone resumed>, parent_tid=[18886], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18886 [pid 18882] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18881] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18886] <... set_robust_list resumed>) = 0 [pid 18885] <... futex resumed>) = 1 [pid 18884] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18883] <... futex resumed>) = 0 [pid 18882] <... mprotect resumed>) = 0 [pid 18881] <... futex resumed>) = 1 [pid 18877] <... futex resumed>) = 0 [pid 18885] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18884] <... futex resumed>) = 0 [pid 18883] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18882] 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 18881] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18877] exit_group(0 [pid 3613] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 18886] mkdir("./file0", 0777 [pid 18885] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18884] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18883] <... futex resumed>) = 0 [pid 18881] <... futex resumed>) = ? [pid 18877] <... exit_group resumed>) = ? [pid 3613] <... openat resumed>) = 3 [pid 18886] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18885] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18883] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18882] <... clone resumed>, parent_tid=[18887], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18887 [pid 18881] +++ exited with 0 +++ [pid 18877] +++ exited with 0 +++ [pid 3613] ioctl(3, LOOP_CLR_FD [pid 18886] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18882] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3613] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18877, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3613] close(3 [pid 3611] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 18887 attached [pid 18882] <... futex resumed>) = 0 [pid 3613] <... close resumed>) = 0 [pid 3611] <... restart_syscall resumed>) = 0 [pid 18887] set_robust_list(0x7fe89d1609e0, 24 [pid 18882] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18887] <... set_robust_list resumed>) = 0 [pid 18887] mkdir("./file0", 0777 [pid 3613] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18888 [pid 3611] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 18887] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3611] <... openat resumed>) = 3 [pid 18887] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18886] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] ioctl(3, LOOP_CLR_FD [pid 18887] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18886] <... futex resumed>) = 1 [pid 18884] <... futex resumed>) = 0 [pid 3611] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18887] <... futex resumed>) = 1 [pid 18886] pipe2( [pid 18884] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18882] <... futex resumed>) = 0 [pid 3611] close(3./strace-static-x86_64: Process 18888 attached [pid 18887] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18886] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18884] <... futex resumed>) = 0 [pid 18882] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] <... close resumed>) = 0 [pid 18888] set_robust_list(0x55555697d6e0, 24 [pid 18887] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18886] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18884] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18882] <... futex resumed>) = 0 [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18888] <... set_robust_list resumed>) = 0 [pid 18887] pipe2( [pid 18886] <... futex resumed>) = 0 [pid 18884] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18882] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18888] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18887] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18886] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18885] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18884] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18889 [pid 18888] <... prctl resumed>) = 0 [pid 18887] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18884] <... futex resumed>) = 0 [pid 18888] setpgid(0, 0 [pid 18887] <... futex resumed>) = 1 [pid 18885] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18884] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18882] <... futex resumed>) = 0 [pid 18888] <... setpgid resumed>) = 0 [pid 18887] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18885] <... futex resumed>) = 1 [pid 18883] <... futex resumed>) = 0 [pid 18882] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18888] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18887] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18883] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18888] <... openat resumed>) = 3 [pid 18887] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18885] write(4, NULL, 126976 [pid 18883] <... futex resumed>) = 0 [pid 18882] <... futex resumed>) = 0 ./strace-static-x86_64: Process 18889 attached [pid 18888] write(3, "1000", 4 [pid 18886] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18885] <... write resumed>) = -1 EFAULT (Bad address) [pid 18883] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18882] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18889] set_robust_list(0x55555697d6e0, 24 [pid 18888] <... write resumed>) = 4 [pid 18886] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18885] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18889] <... set_robust_list resumed>) = 0 [pid 18886] <... futex resumed>) = 1 [pid 18885] <... futex resumed>) = 0 [pid 18889] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18886] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18885] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18889] <... prctl resumed>) = 0 [pid 18888] close(3 [pid 18884] <... futex resumed>) = 0 [pid 18883] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18889] setpgid(0, 0 [pid 18888] <... close resumed>) = 0 [pid 18884] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18883] exit_group(0 [pid 18889] <... setpgid resumed>) = 0 [pid 18888] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18886] <... futex resumed>) = 0 [pid 18885] <... futex resumed>) = ? [pid 18884] <... futex resumed>) = 1 [pid 18883] <... exit_group resumed>) = ? [pid 18889] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18888] <... futex resumed>) = 0 [pid 18887] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18886] write(4, NULL, 126976 [pid 18885] +++ exited with 0 +++ [pid 18884] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18889] <... openat resumed>) = 3 [pid 18888] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18887] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18886] <... write resumed>) = -1 EFAULT (Bad address) [pid 18883] +++ exited with 0 +++ [pid 18889] write(3, "1000", 4 [pid 18888] <... mmap resumed>) = 0x7fe89d140000 [pid 18887] <... futex resumed>) = 1 [pid 18886] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18882] <... futex resumed>) = 0 [pid 3612] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18883, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 18889] <... write resumed>) = 4 [pid 18888] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18887] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18886] <... futex resumed>) = 1 [pid 18884] <... futex resumed>) = 0 [pid 18882] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3612] restart_syscall(<... resuming interrupted clone ...> [pid 18889] close(3 [pid 18888] <... mprotect resumed>) = 0 [pid 18887] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18886] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18884] exit_group(0 [pid 18882] <... futex resumed>) = 0 [pid 3612] <... restart_syscall resumed>) = 0 [pid 18889] <... close resumed>) = 0 [pid 18888] 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 18887] write(4, NULL, 126976 [pid 18886] <... futex resumed>) = ? [pid 18884] <... exit_group resumed>) = ? [pid 18882] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18889] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3612] openat(AT_FDCWD, "/dev/loop3", O_RDWR./strace-static-x86_64: Process 18890 attached [pid 18889] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18887] <... write resumed>) = -1 EFAULT (Bad address) [pid 18886] +++ exited with 0 +++ [pid 18884] +++ exited with 0 +++ [pid 3612] <... openat resumed>) = 3 [pid 18890] set_robust_list(0x7fe89d1609e0, 24 [pid 18889] <... mmap resumed>) = 0x7fe89d140000 [pid 18888] <... clone resumed>, parent_tid=[18890], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18890 [pid 18887] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3612] ioctl(3, LOOP_CLR_FD [pid 3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18884, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18890] <... set_robust_list resumed>) = 0 [pid 18889] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18888] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18887] <... futex resumed>) = 1 [pid 18882] <... futex resumed>) = 0 [pid 3612] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3609] restart_syscall(<... resuming interrupted clone ...> [pid 18890] mkdir("./file0", 0777 [pid 18889] <... mprotect resumed>) = 0 [pid 18888] <... futex resumed>) = 0 [pid 18887] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18882] exit_group(0 [pid 3612] close(3 [pid 3609] <... restart_syscall resumed>) = 0 [pid 18890] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18889] 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 18888] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18887] <... futex resumed>) = ? [pid 18882] <... exit_group resumed>) = ? [pid 3612] <... close resumed>) = 0 ./strace-static-x86_64: Process 18891 attached [pid 18890] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3612] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18892 attached [pid 18891] set_robust_list(0x7fe89d1609e0, 24 [pid 18890] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18889] <... clone resumed>, parent_tid=[18891], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18891 [pid 18887] +++ exited with 0 +++ [pid 18882] +++ exited with 0 +++ [pid 3609] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 18892] set_robust_list(0x55555697d6e0, 24 [pid 18891] <... set_robust_list resumed>) = 0 [pid 18890] <... futex resumed>) = 1 [pid 18889] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18888] <... futex resumed>) = 0 [pid 3612] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18892 [pid 3609] <... openat resumed>) = 3 [pid 18892] <... set_robust_list resumed>) = 0 [pid 18891] mkdir("./file0", 0777 [pid 18890] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18889] <... futex resumed>) = 0 [pid 18888] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18882, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3609] ioctl(3, LOOP_CLR_FD [pid 18892] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18891] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18890] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18889] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18888] <... futex resumed>) = 0 [pid 3610] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 3609] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18892] <... prctl resumed>) = 0 [pid 18891] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18890] pipe2( [pid 18888] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3610] <... openat resumed>) = 3 [pid 3609] close(3 [pid 18892] setpgid(0, 0 [pid 18891] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18890] <... pipe2 resumed>[3, 4], 0) = 0 [pid 3609] <... close resumed>) = 0 [pid 3609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555697d6d0) = 18893 ./strace-static-x86_64: Process 18893 attached [pid 18893] set_robust_list(0x55555697d6e0, 24) = 0 [pid 18890] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3610] ioctl(3, LOOP_CLR_FD [pid 18892] <... setpgid resumed>) = 0 [pid 18891] <... futex resumed>) = 1 [pid 18889] <... futex resumed>) = 0 [pid 18892] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18891] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18890] <... futex resumed>) = 1 [pid 18889] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18888] <... futex resumed>) = 0 [pid 3610] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18892] <... openat resumed>) = 3 [pid 18891] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18890] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18889] <... futex resumed>) = 0 [pid 18888] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3610] close(3 [pid 18892] write(3, "1000", 4 [pid 18891] pipe2( [pid 18890] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18889] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18888] <... futex resumed>) = 0 [pid 3610] <... close resumed>) = 0 [pid 18893] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18892] <... write resumed>) = 4 [pid 18891] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18890] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18888] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18893] <... prctl resumed>) = 0 [pid 18892] close(3 [pid 18891] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18893] setpgid(0, 0) = 0 [pid 18891] <... futex resumed>) = 1 [pid 18889] <... futex resumed>) = 0 [pid 18893] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18889] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18891] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18893] <... openat resumed>) = 3 [pid 18892] <... close resumed>) = 0 [pid 18889] <... futex resumed>) = 0 [pid 3610] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18894 [pid 18893] write(3, "1000", 4 [pid 18889] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 18894 attached [pid 18893] <... write resumed>) = 4 [pid 18894] set_robust_list(0x55555697d6e0, 24 [pid 18893] close(3 [pid 18894] <... set_robust_list resumed>) = 0 [pid 18893] <... close resumed>) = 0 [pid 18892] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18894] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18893] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18892] <... futex resumed>) = 0 [pid 18894] <... prctl resumed>) = 0 [pid 18893] <... futex resumed>) = 0 [pid 18892] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18894] setpgid(0, 0 [pid 18893] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18894] <... setpgid resumed>) = 0 [pid 18893] <... mmap resumed>) = 0x7fe89d140000 [pid 18894] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18893] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18894] <... openat resumed>) = 3 [pid 18893] <... mprotect resumed>) = 0 [pid 18894] write(3, "1000", 4 [pid 18893] 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 18894] <... write resumed>) = 4 [pid 18894] close(3 [pid 18893] <... clone resumed>, parent_tid=[18895], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18895 [pid 18894] <... close resumed>) = 0 [pid 18893] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18894] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18893] <... futex resumed>) = 0 [pid 18894] <... futex resumed>) = 0 [pid 18893] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18894] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe89d140000 [pid 18894] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 18894] 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 18892] <... mmap resumed>) = 0x7fe89d140000 ./strace-static-x86_64: Process 18895 attached [pid 18890] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18895] set_robust_list(0x7fe89d1609e0, 24 [pid 18894] <... clone resumed>, parent_tid=[18896], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18896 [pid 18895] <... set_robust_list resumed>) = 0 [pid 18894] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18892] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18891] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18890] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18895] mkdir("./file0", 0777 [pid 18894] <... futex resumed>) = 0 [pid 18892] <... mprotect resumed>) = 0 [pid 18891] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18890] <... futex resumed>) = 1 [pid 18888] <... futex resumed>) = 0 [pid 18895] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18894] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18892] 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 18891] <... futex resumed>) = 1 [pid 18890] write(4, NULL, 126976 [pid 18889] <... futex resumed>) = 0 [pid 18888] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 18897 attached ./strace-static-x86_64: Process 18896 attached [pid 18895] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18891] write(4, NULL, 126976 [pid 18890] <... write resumed>) = -1 EFAULT (Bad address) [pid 18889] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18888] <... futex resumed>) = 0 [pid 18897] set_robust_list(0x7fe89d1609e0, 24 [pid 18896] set_robust_list(0x7fe89d1609e0, 24 [pid 18895] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18892] <... clone resumed>, parent_tid=[18897], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18897 [pid 18891] <... write resumed>) = -1 EFAULT (Bad address) [pid 18890] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18889] <... futex resumed>) = 0 [pid 18888] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18897] <... set_robust_list resumed>) = 0 [pid 18896] <... set_robust_list resumed>) = 0 [pid 18895] <... futex resumed>) = 1 [pid 18893] <... futex resumed>) = 0 [pid 18892] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18891] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18890] <... futex resumed>) = 0 [pid 18889] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18888] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18897] mkdir("./file0", 0777 [pid 18896] mkdir("./file0", 0777 [pid 18895] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18893] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18892] <... futex resumed>) = 0 [pid 18891] <... futex resumed>) = 0 [pid 18890] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18889] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18888] exit_group(0 [pid 18897] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18896] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18895] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18893] <... futex resumed>) = 0 [pid 18892] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18891] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18890] <... futex resumed>) = ? [pid 18889] exit_group(0 [pid 18888] <... exit_group resumed>) = ? [pid 18897] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18896] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18895] pipe2( [pid 18893] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18890] +++ exited with 0 +++ [pid 18897] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18896] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18895] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18891] <... futex resumed>) = ? [pid 18889] <... exit_group resumed>) = ? [pid 18888] +++ exited with 0 +++ [pid 18897] <... futex resumed>) = 1 [pid 18896] <... futex resumed>) = 1 [pid 18895] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18894] <... futex resumed>) = 0 [pid 18892] <... futex resumed>) = 0 [pid 18891] +++ exited with 0 +++ [pid 18897] pipe2( [pid 18896] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18895] <... futex resumed>) = 1 [pid 18894] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18893] <... futex resumed>) = 0 [pid 18892] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18889] +++ exited with 0 +++ [pid 18897] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18896] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18895] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18894] <... futex resumed>) = 0 [pid 18893] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18892] <... futex resumed>) = 0 [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18888, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 18897] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18896] pipe2( [pid 18895] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18894] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18893] <... futex resumed>) = 0 [pid 18892] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3613] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18889, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18897] <... futex resumed>) = 0 [pid 18896] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18895] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18893] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18892] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3613] <... openat resumed>) = 3 [pid 3611] restart_syscall(<... resuming interrupted clone ...> [pid 18897] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18896] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18892] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3613] ioctl(3, LOOP_CLR_FD [pid 3611] <... restart_syscall resumed>) = 0 [pid 18897] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18896] <... futex resumed>) = 1 [pid 18894] <... futex resumed>) = 0 [pid 18892] <... futex resumed>) = 0 [pid 3613] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18897] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18896] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18894] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18892] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3613] close(3 [pid 18894] <... futex resumed>) = 0 [pid 3613] <... close resumed>) = 0 [pid 3611] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 18894] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3611] <... openat resumed>) = 3 [pid 3611] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 18898 attached [pid 18895] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3613] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18898 [pid 3611] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18898] set_robust_list(0x55555697d6e0, 24 [pid 18895] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] close(3 [pid 18898] <... set_robust_list resumed>) = 0 [pid 18895] <... futex resumed>) = 1 [pid 18893] <... futex resumed>) = 0 [pid 3611] <... close resumed>) = 0 [pid 18898] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18895] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18893] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18898] <... prctl resumed>) = 0 [pid 18895] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18893] <... futex resumed>) = 0 [pid 18898] setpgid(0, 0 [pid 18895] write(4, NULL, 126976 [pid 18893] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18898] <... setpgid resumed>) = 0 [pid 18895] <... write resumed>) = -1 EFAULT (Bad address) ./strace-static-x86_64: Process 18899 attached [pid 18898] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18897] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18896] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18895] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18899 [pid 18899] set_robust_list(0x55555697d6e0, 24 [pid 18898] <... openat resumed>) = 3 [pid 18897] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18896] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18895] <... futex resumed>) = 1 [pid 18893] <... futex resumed>) = 0 [pid 18899] <... set_robust_list resumed>) = 0 [pid 18898] write(3, "1000", 4 [pid 18897] <... futex resumed>) = 1 [pid 18896] <... futex resumed>) = 1 [pid 18895] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18894] <... futex resumed>) = 0 [pid 18893] exit_group(0 [pid 18892] <... futex resumed>) = 0 [pid 18899] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18898] <... write resumed>) = 4 [pid 18897] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18896] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18892] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18899] <... prctl resumed>) = 0 [pid 18897] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18894] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18893] <... exit_group resumed>) = ? [pid 18892] <... futex resumed>) = 0 [pid 18899] setpgid(0, 0 [pid 18897] write(4, NULL, 126976 [pid 18895] <... futex resumed>) = ? [pid 18892] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18899] <... setpgid resumed>) = 0 [pid 18897] <... write resumed>) = -1 EFAULT (Bad address) [pid 18896] <... futex resumed>) = 0 [pid 18894] <... futex resumed>) = 1 [pid 18899] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18897] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18899] <... openat resumed>) = 3 [pid 18898] close(3 [pid 18897] <... futex resumed>) = 1 [pid 18896] write(4, NULL, 126976 [pid 18895] +++ exited with 0 +++ [pid 18894] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18893] +++ exited with 0 +++ [pid 18892] <... futex resumed>) = 0 [pid 18899] write(3, "1000", 4 [pid 18898] <... close resumed>) = 0 [pid 18897] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18896] <... write resumed>) = -1 EFAULT (Bad address) [pid 18892] exit_group(0 [pid 3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18893, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 18899] <... write resumed>) = 4 [pid 18898] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18897] <... futex resumed>) = ? [pid 18896] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18892] <... exit_group resumed>) = ? [pid 18899] close(3 [pid 18898] <... futex resumed>) = 0 [pid 18897] +++ exited with 0 +++ [pid 18896] <... futex resumed>) = 1 [pid 18894] <... futex resumed>) = 0 [pid 18892] +++ exited with 0 +++ [pid 18899] <... close resumed>) = 0 [pid 18898] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18896] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18894] exit_group(0 [pid 3609] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 18899] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18898] <... mmap resumed>) = 0x7fe89d140000 [pid 18896] <... futex resumed>) = ? [pid 18894] <... exit_group resumed>) = ? [pid 3612] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18892, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18899] <... futex resumed>) = 0 [pid 18898] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18896] +++ exited with 0 +++ [pid 3609] <... openat resumed>) = 3 [pid 18899] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe89d140000 [pid 18899] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 18899] 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 18898] <... mprotect resumed>) = 0 [pid 18894] +++ exited with 0 +++ [pid 3612] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3609] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 18900 attached [pid 18898] 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 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18894, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3609] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18899] <... clone resumed>, parent_tid=[18900], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18900 [pid 3612] ioctl(3, LOOP_CLR_FD [pid 3610] restart_syscall(<... resuming interrupted clone ...> [pid 3609] close(3./strace-static-x86_64: Process 18901 attached [pid 18899] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18898] <... clone resumed>, parent_tid=[18901], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18901 [pid 3612] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18900] set_robust_list(0x7fe89d1609e0, 24 [pid 3610] <... restart_syscall resumed>) = 0 [pid 3609] <... close resumed>) = 0 [pid 18901] set_robust_list(0x7fe89d1609e0, 24 [pid 18900] <... set_robust_list resumed>) = 0 [pid 18899] <... futex resumed>) = 0 [pid 18898] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3612] close(3 [pid 3609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18901] <... set_robust_list resumed>) = 0 [pid 18900] mkdir("./file0", 0777 [pid 18899] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18898] <... futex resumed>) = 0 [pid 3612] <... close resumed>) = 0 [pid 18901] mkdir("./file0", 0777 [pid 18900] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18898] 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 3610] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 3609] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18902 ./strace-static-x86_64: Process 18902 attached [pid 18901] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3610] <... openat resumed>) = 3 [pid 18902] set_robust_list(0x55555697d6e0, 24 [pid 3610] ioctl(3, LOOP_CLR_FD [pid 18902] <... set_robust_list resumed>) = 0 [pid 3610] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18902] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3610] close(3 [pid 18902] <... prctl resumed>) = 0 [pid 3610] <... close resumed>) = 0 [pid 3612] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18903 [pid 18902] setpgid(0, 0 [pid 18900] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18902] <... setpgid resumed>) = 0 [pid 18901] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18900] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18902] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18901] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18900] <... futex resumed>) = 1 [pid 18899] <... futex resumed>) = 0 [pid 3610] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18904 ./strace-static-x86_64: Process 18903 attached [pid 18902] <... openat resumed>) = 3 [pid 18901] <... futex resumed>) = 1 [pid 18900] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18899] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18898] <... futex resumed>) = 0 [pid 18903] set_robust_list(0x55555697d6e0, 24 [pid 18902] write(3, "1000", 4 [pid 18901] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18900] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18899] <... futex resumed>) = 0 [pid 18898] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18903] <... set_robust_list resumed>) = 0 [pid 18902] <... write resumed>) = 4 [pid 18901] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18900] pipe2( [pid 18899] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18898] <... futex resumed>) = 0 ./strace-static-x86_64: Process 18904 attached [pid 18903] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18902] close(3 [pid 18901] pipe2( [pid 18900] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18898] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18904] set_robust_list(0x55555697d6e0, 24 [pid 18903] <... prctl resumed>) = 0 [pid 18902] <... close resumed>) = 0 [pid 18901] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18900] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18904] <... set_robust_list resumed>) = 0 [pid 18903] setpgid(0, 0 [pid 18902] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18901] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18900] <... futex resumed>) = 1 [pid 18899] <... futex resumed>) = 0 [pid 18904] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18903] <... setpgid resumed>) = 0 [pid 18902] <... futex resumed>) = 0 [pid 18901] <... futex resumed>) = 1 [pid 18900] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18899] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18898] <... futex resumed>) = 0 [pid 18904] <... prctl resumed>) = 0 [pid 18903] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18902] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18901] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18900] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18899] <... futex resumed>) = 0 [pid 18898] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18904] setpgid(0, 0 [pid 18903] <... openat resumed>) = 3 [pid 18902] <... mmap resumed>) = 0x7fe89d140000 [pid 18901] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18900] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18899] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18898] <... futex resumed>) = 0 [pid 18904] <... setpgid resumed>) = 0 [pid 18903] write(3, "1000", 4 [pid 18902] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18901] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18898] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18904] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18903] <... write resumed>) = 4 [pid 18902] <... mprotect resumed>) = 0 [pid 18904] <... openat resumed>) = 3 [pid 18903] close(3 [pid 18902] 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 18904] write(3, "1000", 4 [pid 18903] <... close resumed>) = 0 [pid 18904] <... write resumed>) = 4 [pid 18903] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18902] <... clone resumed>, parent_tid=[18905], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18905 [pid 18904] close(3 [pid 18903] <... futex resumed>) = 0 [pid 18902] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18904] <... close resumed>) = 0 [pid 18903] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18902] <... futex resumed>) = 0 [pid 18904] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18903] <... mmap resumed>) = 0x7fe89d140000 [pid 18902] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000}./strace-static-x86_64: Process 18905 attached [pid 18904] <... futex resumed>) = 0 [pid 18903] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18905] set_robust_list(0x7fe89d1609e0, 24 [pid 18904] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18903] <... mprotect resumed>) = 0 [pid 18900] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18905] <... set_robust_list resumed>) = 0 [pid 18904] <... mmap resumed>) = 0x7fe89d140000 [pid 18903] 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 18901] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18900] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 18906 attached [pid 18905] mkdir("./file0", 0777 [pid 18904] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18901] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18900] <... futex resumed>) = 1 [pid 18899] <... futex resumed>) = 0 [pid 18906] set_robust_list(0x7fe89d1609e0, 24 [pid 18905] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18904] <... mprotect resumed>) = 0 [pid 18903] <... clone resumed>, parent_tid=[18906], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18906 [pid 18901] <... futex resumed>) = 1 [pid 18900] write(4, NULL, 126976 [pid 18899] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18898] <... futex resumed>) = 0 [pid 18906] <... set_robust_list resumed>) = 0 [pid 18905] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18904] 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 18903] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18901] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18900] <... write resumed>) = -1 EFAULT (Bad address) [pid 18899] <... futex resumed>) = 0 [pid 18898] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 18907 attached [pid 18906] mkdir("./file0", 0777 [pid 18905] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18903] <... futex resumed>) = 0 [pid 18901] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18900] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18899] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18898] <... futex resumed>) = 0 [pid 18907] set_robust_list(0x7fe89d1609e0, 24 [pid 18906] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18905] <... futex resumed>) = 1 [pid 18904] <... clone resumed>, parent_tid=[18907], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18907 [pid 18903] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18902] <... futex resumed>) = 0 [pid 18901] write(4, NULL, 126976 [pid 18900] <... futex resumed>) = 0 [pid 18899] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18898] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18907] <... set_robust_list resumed>) = 0 [pid 18906] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18905] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18904] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18902] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18901] <... write resumed>) = -1 EFAULT (Bad address) [pid 18900] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18899] exit_group(0 [pid 18907] mkdir("./file0", 0777 [pid 18906] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18905] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18904] <... futex resumed>) = 0 [pid 18902] <... futex resumed>) = 0 [pid 18901] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18900] <... futex resumed>) = ? [pid 18899] <... exit_group resumed>) = ? [pid 18907] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18906] <... futex resumed>) = 1 [pid 18905] pipe2( [pid 18904] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18903] <... futex resumed>) = 0 [pid 18902] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18901] <... futex resumed>) = 1 [pid 18900] +++ exited with 0 +++ [pid 18898] <... futex resumed>) = 0 [pid 18907] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18906] pipe2( [pid 18905] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18903] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18901] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18899] +++ exited with 0 +++ [pid 18898] exit_group(0 [pid 18907] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18906] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18905] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18903] <... futex resumed>) = 0 [pid 18901] <... futex resumed>) = ? [pid 18898] <... exit_group resumed>) = ? [pid 18907] <... futex resumed>) = 1 [pid 18906] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18905] <... futex resumed>) = 1 [pid 18904] <... futex resumed>) = 0 [pid 18903] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18902] <... futex resumed>) = 0 [pid 18901] +++ exited with 0 +++ [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18899, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18907] pipe2( [pid 18906] <... futex resumed>) = 0 [pid 18905] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18904] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18903] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18902] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18898] +++ exited with 0 +++ [pid 3611] restart_syscall(<... resuming interrupted clone ...> [pid 18907] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18906] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18905] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18904] <... futex resumed>) = 0 [pid 18903] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18902] <... futex resumed>) = 0 [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18898, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3611] <... restart_syscall resumed>) = 0 [pid 18907] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18906] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18905] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18904] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18903] <... futex resumed>) = 0 [pid 18902] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3613] restart_syscall(<... resuming interrupted clone ...> [pid 18907] <... futex resumed>) = 0 [pid 18904] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18903] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3613] <... restart_syscall resumed>) = 0 [pid 18906] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18904] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 18904] <... futex resumed>) = 0 [pid 3611] <... openat resumed>) = 3 [pid 18904] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3611] ioctl(3, LOOP_CLR_FD [pid 3613] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 3611] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3613] <... openat resumed>) = 3 [pid 3611] close(3 [pid 3613] ioctl(3, LOOP_CLR_FD [pid 3611] <... close resumed>) = 0 [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 18907] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 3613] close(3 [pid 18905] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3613] <... close resumed>) = 0 [pid 3611] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18908 ./strace-static-x86_64: Process 18908 attached [pid 18905] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18908] set_robust_list(0x55555697d6e0, 24 [pid 18905] <... futex resumed>) = 1 [pid 18902] <... futex resumed>) = 0 [pid 18908] <... set_robust_list resumed>) = 0 [pid 18905] write(4, NULL, 126976 [pid 18902] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18905] <... write resumed>) = -1 EFAULT (Bad address) [pid 18902] <... futex resumed>) = 0 [pid 3613] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18909 [pid 18908] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18906] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18905] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18902] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 18902] exit_group(0) = ? ./strace-static-x86_64: Process 18909 attached [pid 18909] set_robust_list(0x55555697d6e0, 24) = 0 [pid 18905] <... futex resumed>) = ? [pid 18909] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 18905] +++ exited with 0 +++ [pid 18902] +++ exited with 0 +++ [pid 18909] setpgid(0, 0 [pid 18906] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18902, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18909] <... setpgid resumed>) = 0 [pid 18908] <... prctl resumed>) = 0 [pid 3609] restart_syscall(<... resuming interrupted clone ...> [pid 18906] <... futex resumed>) = 1 [pid 18903] <... futex resumed>) = 0 [pid 18909] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18908] setpgid(0, 0 [pid 18906] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18903] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3609] <... restart_syscall resumed>) = 0 [pid 18909] <... openat resumed>) = 3 [pid 18908] <... setpgid resumed>) = 0 [pid 18906] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18903] <... futex resumed>) = 0 [pid 18909] write(3, "1000", 4 [pid 18908] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18906] write(4, NULL, 126976 [pid 18903] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18909] <... write resumed>) = 4 [pid 18908] <... openat resumed>) = 3 [pid 18906] <... write resumed>) = -1 EFAULT (Bad address) [pid 18909] close(3 [pid 18908] write(3, "1000", 4 [pid 18906] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3609] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 18909] <... close resumed>) = 0 [pid 18908] <... write resumed>) = 4 [pid 18906] <... futex resumed>) = 1 [pid 18903] <... futex resumed>) = 0 [pid 18909] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18908] close(3 [pid 18906] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18903] exit_group(0 [pid 3609] <... openat resumed>) = 3 [pid 18909] <... futex resumed>) = 0 [pid 18908] <... close resumed>) = 0 [pid 18906] <... futex resumed>) = ? [pid 18903] <... exit_group resumed>) = ? [pid 3609] ioctl(3, LOOP_CLR_FD [pid 18909] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18908] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18909] <... mmap resumed>) = 0x7fe89d140000 [pid 18909] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18908] <... futex resumed>) = 0 [pid 18906] +++ exited with 0 +++ [pid 18903] +++ exited with 0 +++ [pid 3609] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18909] <... mprotect resumed>) = 0 [pid 18908] 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=18903, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18909] 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 18908] <... mmap resumed>) = 0x7fe89d140000 [pid 18904] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3612] restart_syscall(<... resuming interrupted clone ...> [pid 3609] close(3./strace-static-x86_64: Process 18910 attached [pid 18908] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18904] futex(0x7fe89d2384dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3612] <... restart_syscall resumed>) = 0 [pid 3609] <... close resumed>) = 0 [pid 18909] <... clone resumed>, parent_tid=[18910], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18910 [pid 18904] <... futex resumed>) = 0 [pid 18909] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18904] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18909] <... futex resumed>) = 0 [pid 18904] <... mmap resumed>) = 0x7fe89d11f000 [pid 18909] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18908] <... mprotect resumed>) = 0 [pid 18910] set_robust_list(0x7fe89d1609e0, 24 [pid 18904] mprotect(0x7fe89d120000, 131072, PROT_READ|PROT_WRITE [pid 3609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18907] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18904] <... mprotect resumed>) = 0 [pid 18908] 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 18911 attached ./strace-static-x86_64: Process 18912 attached [pid 18910] <... set_robust_list resumed>) = 0 [pid 18907] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18904] 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 3612] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 18910] mkdir("./file0", 0777 [pid 18908] <... clone resumed>, parent_tid=[18912], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18912 [pid 18907] <... futex resumed>) = 0 [pid 18910] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18908] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18907] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18904] <... clone resumed>, parent_tid=[18913], tls=0x7fe89d13f700, child_tidptr=0x7fe89d13f9d0) = 18913 [pid 18911] set_robust_list(0x55555697d6e0, 24 [pid 3612] <... openat resumed>) = 3 [pid 3609] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18911 [pid 18910] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18911] <... set_robust_list resumed>) = 0 [pid 18908] <... futex resumed>) = 0 [pid 18904] futex(0x7fe89d2384d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3612] ioctl(3, LOOP_CLR_FD [pid 18910] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18908] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18904] <... futex resumed>) = 0 [pid 3612] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18912] set_robust_list(0x7fe89d1609e0, 24 [pid 18911] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18910] <... futex resumed>) = 1 [pid 18909] <... futex resumed>) = 0 [pid 18904] futex(0x7fe89d2384dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3612] close(3 [pid 18912] <... set_robust_list resumed>) = 0 [pid 18911] <... prctl resumed>) = 0 [pid 18910] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18909] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3612] <... close resumed>) = 0 [pid 18912] mkdir("./file0", 0777 [pid 18911] setpgid(0, 0 [pid 18910] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18909] <... futex resumed>) = 0 [pid 3612] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18913 attached [pid 18912] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18911] <... setpgid resumed>) = 0 [pid 18910] pipe2( [pid 18909] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18913] set_robust_list(0x7fe89d13f9e0, 24) = 0 [pid 18913] write(4, NULL, 126976) = -1 EFAULT (Bad address) [pid 18913] futex(0x7fe89d2384dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18910] <... pipe2 resumed>[3, 4], 0) = 0 [pid 3612] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18914 [pid 18913] <... futex resumed>) = 1 [pid 18912] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18911] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18910] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18904] <... futex resumed>) = 0 ./strace-static-x86_64: Process 18914 attached [pid 18913] futex(0x7fe89d2384d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18912] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18911] <... openat resumed>) = 3 [pid 18910] <... futex resumed>) = 1 [pid 18909] <... futex resumed>) = 0 [pid 18904] exit_group(0 [pid 18914] set_robust_list(0x55555697d6e0, 24 [pid 18913] <... futex resumed>) = ? [pid 18912] <... futex resumed>) = 1 [pid 18911] write(3, "1000", 4 [pid 18910] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18909] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18908] <... futex resumed>) = 0 [pid 18907] <... futex resumed>) = ? [pid 18904] <... exit_group resumed>) = ? [pid 18914] <... set_robust_list resumed>) = 0 [pid 18913] +++ exited with 0 +++ [pid 18912] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18911] <... write resumed>) = 4 [pid 18910] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18909] <... futex resumed>) = 0 [pid 18908] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18907] +++ exited with 0 +++ [pid 18912] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18911] close(3 [pid 18910] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18908] <... futex resumed>) = 0 [pid 18914] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18912] pipe2( [pid 18911] <... close resumed>) = 0 [pid 18909] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18904] +++ exited with 0 +++ [pid 18914] <... prctl resumed>) = 0 [pid 18912] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18911] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18908] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18904, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 18914] setpgid(0, 0 [pid 18911] <... futex resumed>) = 0 [pid 18912] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18914] <... setpgid resumed>) = 0 [pid 18912] <... futex resumed>) = 1 [pid 18911] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18908] <... futex resumed>) = 0 [pid 18914] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18912] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18911] <... mmap resumed>) = 0x7fe89d140000 [pid 18908] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3610] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 18914] <... openat resumed>) = 3 [pid 18912] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18911] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18910] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18908] <... futex resumed>) = 0 [pid 3610] <... openat resumed>) = 3 [pid 18914] write(3, "1000", 4 [pid 18911] <... mprotect resumed>) = 0 [pid 18908] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3610] ioctl(3, LOOP_CLR_FD [pid 18914] <... write resumed>) = 4 [pid 18912] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18911] 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 18910] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3610] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18914] close(3 [pid 3610] close(3 [pid 18914] <... close resumed>) = 0 [pid 18910] <... futex resumed>) = 1 [pid 18909] <... futex resumed>) = 0 [pid 3610] <... close resumed>) = 0 [pid 18914] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18911] <... clone resumed>, parent_tid=[18915], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18915 [pid 18909] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18914] <... futex resumed>) = 0 [pid 18911] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18910] write(4, NULL, 126976 [pid 18909] <... futex resumed>) = 0 [pid 18914] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18911] <... futex resumed>) = 0 [pid 18909] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3610] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18916 [pid 18914] <... mmap resumed>) = 0x7fe89d140000 [pid 18911] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18910] <... write resumed>) = -1 EFAULT (Bad address) ./strace-static-x86_64: Process 18915 attached [pid 18914] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18910] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18915] set_robust_list(0x7fe89d1609e0, 24 [pid 18914] <... mprotect resumed>) = 0 [pid 18910] <... futex resumed>) = 1 [pid 18909] <... futex resumed>) = 0 ./strace-static-x86_64: Process 18916 attached [pid 18915] <... set_robust_list resumed>) = 0 [pid 18914] 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 18910] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18909] exit_group(0 [pid 18916] set_robust_list(0x55555697d6e0, 24 [pid 18915] mkdir("./file0", 0777 [pid 18910] <... futex resumed>) = ? [pid 18909] <... exit_group resumed>) = ? [pid 18915] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18914] <... clone resumed>, parent_tid=[18917], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18917 [pid 18915] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18914] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18915] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18914] <... futex resumed>) = 0 [pid 18915] <... futex resumed>) = 1 [pid 18914] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18911] <... futex resumed>) = 0 [pid 18910] +++ exited with 0 +++ [pid 18909] +++ exited with 0 +++ [pid 18916] <... set_robust_list resumed>) = 0 [pid 18915] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18911] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18909, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- ./strace-static-x86_64: Process 18917 attached [pid 18915] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18911] <... futex resumed>) = 0 [pid 3613] restart_syscall(<... resuming interrupted clone ...> [pid 18917] set_robust_list(0x7fe89d1609e0, 24 [pid 18916] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18915] pipe2( [pid 18911] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3613] <... restart_syscall resumed>) = 0 [pid 18917] <... set_robust_list resumed>) = 0 [pid 18916] <... prctl resumed>) = 0 [pid 18915] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18912] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18917] mkdir("./file0", 0777 [pid 18915] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18917] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18916] setpgid(0, 0 [pid 18915] <... futex resumed>) = 1 [pid 18912] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18911] <... futex resumed>) = 0 [pid 18917] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18916] <... setpgid resumed>) = 0 [pid 18915] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18912] <... futex resumed>) = 1 [pid 18911] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18908] <... futex resumed>) = 0 [pid 3613] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 18917] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18915] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18911] <... futex resumed>) = 0 [pid 18908] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3613] <... openat resumed>) = 3 [pid 18916] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18912] write(4, NULL, 126976 [pid 18917] <... futex resumed>) = 1 [pid 18915] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18914] <... futex resumed>) = 0 [pid 18911] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18908] <... futex resumed>) = 0 [pid 3613] ioctl(3, LOOP_CLR_FD [pid 18916] <... openat resumed>) = 3 [pid 18917] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18916] write(3, "1000", 4 [pid 18914] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18912] <... write resumed>) = -1 EFAULT (Bad address) [pid 18908] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3613] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18916] <... write resumed>) = 4 [pid 18912] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18908] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3613] close(3 [pid 18916] close(3 [pid 18912] <... futex resumed>) = 0 [pid 18908] exit_group(0 [pid 3613] <... close resumed>) = 0 [pid 18914] <... futex resumed>) = 0 [pid 18917] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18916] <... close resumed>) = 0 [pid 18908] <... exit_group resumed>) = ? [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18917] pipe2( [pid 18916] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18914] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18912] +++ exited with 0 +++ [pid 18908] +++ exited with 0 +++ [pid 18917] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18916] <... futex resumed>) = 0 [pid 3613] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18918 [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18908, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 18917] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18916] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18917] <... futex resumed>) = 1 [pid 18916] <... mmap resumed>) = 0x7fe89d140000 [pid 18914] <... futex resumed>) = 0 [pid 18916] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 18916] 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=[18919], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18919 [pid 18916] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 18916] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000}./strace-static-x86_64: Process 18919 attached [pid 18919] set_robust_list(0x7fe89d1609e0, 24) = 0 [pid 18919] mkdir("./file0", 0777 [pid 18914] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18917] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18914] <... futex resumed>) = 0 [pid 18914] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3611] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 18919] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3611] <... openat resumed>) = 3 [pid 18919] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3611] ioctl(3, LOOP_CLR_FD [pid 18919] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18919] <... futex resumed>) = 1 [pid 18916] <... futex resumed>) = 0 [pid 3611] close(3./strace-static-x86_64: Process 18918 attached [pid 18919] pipe2( [pid 18916] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18919] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18916] <... futex resumed>) = 0 [pid 18919] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18918] set_robust_list(0x55555697d6e0, 24 [pid 18916] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18915] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3611] <... close resumed>) = 0 [pid 18919] <... futex resumed>) = 0 [pid 18918] <... set_robust_list resumed>) = 0 [pid 18916] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18915] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18919] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18916] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18919] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18916] <... futex resumed>) = 0 [pid 18915] <... futex resumed>) = 1 [pid 18911] <... futex resumed>) = 0 [pid 18919] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18918] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18916] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18911] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 18920 attached [pid 18918] <... prctl resumed>) = 0 [pid 18917] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18915] write(4, NULL, 126976 [pid 3611] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18920 [pid 18920] set_robust_list(0x55555697d6e0, 24 [pid 18918] setpgid(0, 0 [pid 18917] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18915] <... write resumed>) = -1 EFAULT (Bad address) [pid 18911] <... futex resumed>) = 0 [pid 18920] <... set_robust_list resumed>) = 0 [pid 18918] <... setpgid resumed>) = 0 [pid 18917] <... futex resumed>) = 1 [pid 18915] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18914] <... futex resumed>) = 0 [pid 18911] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18920] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18918] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18917] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18915] <... futex resumed>) = 0 [pid 18914] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18911] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18920] <... prctl resumed>) = 0 [pid 18918] <... openat resumed>) = 3 [pid 18917] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18915] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18914] <... futex resumed>) = 0 [pid 18911] exit_group(0 [pid 18920] setpgid(0, 0 [pid 18918] write(3, "1000", 4 [pid 18917] write(4, NULL, 126976 [pid 18915] <... futex resumed>) = ? [pid 18914] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18911] <... exit_group resumed>) = ? [pid 18920] <... setpgid resumed>) = 0 [pid 18918] <... write resumed>) = 4 [pid 18917] <... write resumed>) = -1 EFAULT (Bad address) [pid 18915] +++ exited with 0 +++ [pid 18920] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18918] close(3 [pid 18917] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18920] <... openat resumed>) = 3 [pid 18918] <... close resumed>) = 0 [pid 18917] <... futex resumed>) = 1 [pid 18914] <... futex resumed>) = 0 [pid 18911] +++ exited with 0 +++ [pid 18920] write(3, "1000", 4 [pid 18918] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18917] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18914] exit_group(0 [pid 18920] <... write resumed>) = 4 [pid 18918] <... futex resumed>) = 0 [pid 18917] <... futex resumed>) = ? [pid 18914] <... exit_group resumed>) = ? [pid 3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18911, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 18920] close(3 [pid 18918] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18917] +++ exited with 0 +++ [pid 18914] +++ exited with 0 +++ [pid 3609] restart_syscall(<... resuming interrupted clone ...> [pid 18920] <... close resumed>) = 0 [pid 18918] <... mmap resumed>) = 0x7fe89d140000 [pid 3609] <... restart_syscall resumed>) = 0 [pid 18920] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18918] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18920] <... futex resumed>) = 0 [pid 18918] <... mprotect resumed>) = 0 [pid 3612] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18914, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18920] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18918] 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 18920] <... mmap resumed>) = 0x7fe89d140000 [pid 3609] <... openat resumed>) = 3 [pid 18920] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18918] <... clone resumed>, parent_tid=[18921], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18921 [pid 3612] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3609] ioctl(3, LOOP_CLR_FD [pid 18920] <... mprotect resumed>) = 0 [pid 18919] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18918] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3612] <... openat resumed>) = 3 [pid 3609] <... ioctl resumed>) = -1 ENXIO (No such device or address) ./strace-static-x86_64: Process 18921 attached [pid 18920] 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 18919] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18918] <... futex resumed>) = 0 [pid 3612] ioctl(3, LOOP_CLR_FD [pid 3609] close(3./strace-static-x86_64: Process 18922 attached [pid 18921] set_robust_list(0x7fe89d1609e0, 24 [pid 18919] <... futex resumed>) = 1 [pid 18918] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18916] <... futex resumed>) = 0 [pid 3612] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3609] <... close resumed>) = 0 [pid 18922] set_robust_list(0x7fe89d1609e0, 24 [pid 18921] <... set_robust_list resumed>) = 0 [pid 18920] <... clone resumed>, parent_tid=[18922], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18922 [pid 18919] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18916] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3612] close(3 [pid 3609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18922] <... set_robust_list resumed>) = 0 [pid 18921] mkdir("./file0", 0777 [pid 18920] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18919] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18916] <... futex resumed>) = 0 [pid 3612] <... close resumed>) = 0 [pid 18922] mkdir("./file0", 0777 [pid 18921] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18920] <... futex resumed>) = 0 [pid 18919] write(4, NULL, 126976 [pid 18916] 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 18923 attached [pid 18922] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18921] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18920] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18919] <... write resumed>) = -1 EFAULT (Bad address) [pid 3609] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18923 [pid 18922] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18921] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18919] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3612] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18924 [pid 18922] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18921] <... futex resumed>) = 1 [pid 18919] <... futex resumed>) = 1 [pid 18918] <... futex resumed>) = 0 [pid 18916] <... futex resumed>) = 0 [pid 18922] <... futex resumed>) = 1 [pid 18921] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18920] <... futex resumed>) = 0 [pid 18919] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18918] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18916] exit_group(0 [pid 18923] set_robust_list(0x55555697d6e0, 24 [pid 18922] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18921] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18920] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18919] <... futex resumed>) = ? [pid 18918] <... futex resumed>) = 0 [pid 18916] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 18924 attached [pid 18923] <... set_robust_list resumed>) = 0 [pid 18922] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18921] pipe2( [pid 18920] <... futex resumed>) = 0 [pid 18919] +++ exited with 0 +++ [pid 18918] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18916] +++ exited with 0 +++ [pid 18924] set_robust_list(0x55555697d6e0, 24 [pid 18923] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18922] pipe2( [pid 18921] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18920] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18916, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18923] <... prctl resumed>) = 0 [pid 18922] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18921] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18922] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18921] <... futex resumed>) = 1 [pid 18918] <... futex resumed>) = 0 [pid 18924] <... set_robust_list resumed>) = 0 [pid 18923] setpgid(0, 0 [pid 18922] <... futex resumed>) = 1 [pid 18921] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18920] <... futex resumed>) = 0 [pid 18918] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18923] <... setpgid resumed>) = 0 [pid 18922] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18921] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18920] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18918] <... futex resumed>) = 0 [pid 18924] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18923] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18922] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18921] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18920] <... futex resumed>) = 0 [pid 18918] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18924] <... prctl resumed>) = 0 [pid 18923] <... openat resumed>) = 3 [pid 18922] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18920] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18924] setpgid(0, 0 [pid 18923] write(3, "1000", 4 [pid 3610] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 18924] <... setpgid resumed>) = 0 [pid 18923] <... write resumed>) = 4 [pid 3610] <... openat resumed>) = 3 [pid 18924] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18923] close(3 [pid 3610] ioctl(3, LOOP_CLR_FD [pid 18924] <... openat resumed>) = 3 [pid 18923] <... close resumed>) = 0 [pid 18921] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3610] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18924] write(3, "1000", 4 [pid 18923] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18922] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18921] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3610] close(3 [pid 18924] <... write resumed>) = 4 [pid 18923] <... futex resumed>) = 0 [pid 18922] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18921] <... futex resumed>) = 1 [pid 18918] <... futex resumed>) = 0 [pid 18924] close(3 [pid 18923] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18922] <... futex resumed>) = 1 [pid 18921] write(4, NULL, 126976 [pid 18920] <... futex resumed>) = 0 [pid 18918] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3610] <... close resumed>) = 0 [pid 18924] <... close resumed>) = 0 [pid 18923] <... mmap resumed>) = 0x7fe89d140000 [pid 18922] write(4, NULL, 126976 [pid 18921] <... write resumed>) = -1 EFAULT (Bad address) [pid 18920] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18918] <... futex resumed>) = 0 [pid 18924] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18923] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18922] <... write resumed>) = -1 EFAULT (Bad address) [pid 18921] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18920] <... futex resumed>) = 0 [pid 18918] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18924] <... futex resumed>) = 0 [pid 18923] <... mprotect resumed>) = 0 [pid 18922] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18921] <... futex resumed>) = 0 [pid 18920] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18918] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18922] <... futex resumed>) = 0 [pid 18921] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18920] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18918] exit_group(0 [pid 18923] 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 18922] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18924] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18921] <... futex resumed>) = ? [pid 18920] exit_group(0 [pid 18918] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 18926 attached ./strace-static-x86_64: Process 18925 attached [pid 18924] <... mmap resumed>) = 0x7fe89d140000 [pid 18922] <... futex resumed>) = ? [pid 18921] +++ exited with 0 +++ [pid 18920] <... exit_group resumed>) = ? [pid 18918] +++ exited with 0 +++ [pid 3610] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18925 [pid 18926] set_robust_list(0x7fe89d1609e0, 24 [pid 18925] set_robust_list(0x55555697d6e0, 24 [pid 18924] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18923] <... clone resumed>, parent_tid=[18926], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18926 [pid 18922] +++ exited with 0 +++ [pid 18920] +++ exited with 0 +++ [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18918, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 18924] <... mprotect resumed>) = 0 [pid 18923] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3613] restart_syscall(<... resuming interrupted clone ...> [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18920, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18924] 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 18923] <... futex resumed>) = 0 [pid 3613] <... restart_syscall resumed>) = 0 [pid 18923] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18925] <... set_robust_list resumed>) = 0 [pid 18924] <... clone resumed>, parent_tid=[18927], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18927 [pid 3613] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 18924] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3613] <... openat resumed>) = 3 [pid 18925] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18924] <... futex resumed>) = 0 [pid 3613] ioctl(3, LOOP_CLR_FD [pid 18925] <... prctl resumed>) = 0 [pid 18924] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 3613] <... ioctl resumed>) = -1 ENXIO (No such device or address) ./strace-static-x86_64: Process 18927 attached [pid 18925] setpgid(0, 0 [pid 3613] close(3 [pid 18926] <... set_robust_list resumed>) = 0 [pid 18925] <... setpgid resumed>) = 0 [pid 3613] <... close resumed>) = 0 [pid 3611] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 18926] mkdir("./file0", 0777 [pid 18925] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3611] <... openat resumed>) = 3 [pid 18926] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18925] <... openat resumed>) = 3 [pid 3611] ioctl(3, LOOP_CLR_FD [pid 18926] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18925] write(3, "1000", 4 [pid 3611] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18926] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18925] <... write resumed>) = 4 [pid 3611] close(3 [pid 18926] <... futex resumed>) = 1 [pid 18925] close(3 [pid 18923] <... futex resumed>) = 0 [pid 3611] <... close resumed>) = 0 [pid 18927] set_robust_list(0x7fe89d1609e0, 24 [pid 18926] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18925] <... close resumed>) = 0 [pid 18923] futex(0x7fe89d2384c8, 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./strace-static-x86_64: Process 18928 attached [pid 18927] <... set_robust_list resumed>) = 0 [pid 18926] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18925] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18923] <... futex resumed>) = 0 [pid 18928] set_robust_list(0x55555697d6e0, 24 [pid 18927] mkdir("./file0", 0777 [pid 18926] pipe2( [pid 18925] <... futex resumed>) = 0 [pid 18923] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3613] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18928 [pid 18928] <... set_robust_list resumed>) = 0 [pid 18927] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18926] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18925] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3611] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18929 [pid 18928] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18927] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18926] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18925] <... mmap resumed>) = 0x7fe89d140000 [pid 18928] <... prctl resumed>) = 0 [pid 18927] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18926] <... futex resumed>) = 1 [pid 18923] <... futex resumed>) = 0 [pid 18925] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18928] setpgid(0, 0 [pid 18927] <... futex resumed>) = 1 [pid 18926] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18925] <... mprotect resumed>) = 0 [pid 18924] <... futex resumed>) = 0 [pid 18923] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18928] <... setpgid resumed>) = 0 [pid 18927] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18926] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18924] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18923] <... futex resumed>) = 0 [pid 18925] 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 18929 attached [pid 18928] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18927] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18926] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18924] <... futex resumed>) = 0 [pid 18923] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18929] set_robust_list(0x55555697d6e0, 24 [pid 18928] <... openat resumed>) = 3 [pid 18927] pipe2( [pid 18928] write(3, "1000", 4 [pid 18927] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18924] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18928] <... write resumed>) = 4 [pid 18927] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18928] close(3 [pid 18927] <... futex resumed>) = 0 [pid 18924] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18925] <... clone resumed>, parent_tid=[18930], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18930 ./strace-static-x86_64: Process 18930 attached [pid 18929] <... set_robust_list resumed>) = 0 [pid 18928] <... close resumed>) = 0 [pid 18927] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18925] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18924] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18930] set_robust_list(0x7fe89d1609e0, 24 [pid 18929] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18928] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18927] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18925] <... futex resumed>) = 0 [pid 18924] <... futex resumed>) = 0 [pid 18930] <... set_robust_list resumed>) = 0 [pid 18929] <... prctl resumed>) = 0 [pid 18928] <... futex resumed>) = 0 [pid 18927] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18926] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18925] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18924] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18930] mkdir("./file0", 0777 [pid 18929] setpgid(0, 0 [pid 18928] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18930] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18929] <... setpgid resumed>) = 0 [pid 18930] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18929] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18928] <... mmap resumed>) = 0x7fe89d140000 [pid 18930] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18929] <... openat resumed>) = 3 [pid 18928] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18930] <... futex resumed>) = 1 [pid 18929] write(3, "1000", 4 [pid 18928] <... mprotect resumed>) = 0 [pid 18926] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18925] <... futex resumed>) = 0 [pid 18930] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18929] <... write resumed>) = 4 [pid 18925] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18930] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18929] close(3 [pid 18928] 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 18925] <... futex resumed>) = 0 [pid 18930] pipe2( [pid 18929] <... close resumed>) = 0 [pid 18926] <... futex resumed>) = 1 [pid 18925] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18923] <... futex resumed>) = 0 [pid 18930] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18929] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18928] <... clone resumed>, parent_tid=[18931], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18931 [pid 18926] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18923] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 18931 attached [pid 18930] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18929] <... futex resumed>) = 0 [pid 18928] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18926] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18923] <... futex resumed>) = 0 [pid 18931] set_robust_list(0x7fe89d1609e0, 24 [pid 18930] <... futex resumed>) = 1 [pid 18929] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18928] <... futex resumed>) = 0 [pid 18927] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18926] write(4, NULL, 126976 [pid 18925] <... futex resumed>) = 0 [pid 18923] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18931] <... set_robust_list resumed>) = 0 [pid 18930] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18929] <... mmap resumed>) = 0x7fe89d140000 [pid 18928] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18927] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18926] <... write resumed>) = -1 EFAULT (Bad address) [pid 18925] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18931] mkdir("./file0", 0777 [pid 18930] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18929] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18927] <... futex resumed>) = 1 [pid 18926] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18925] <... futex resumed>) = 0 [pid 18924] <... futex resumed>) = 0 [pid 18930] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18929] <... mprotect resumed>) = 0 [pid 18927] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18926] <... futex resumed>) = 1 [pid 18925] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18924] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18923] <... futex resumed>) = 0 [pid 18931] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18929] 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 18927] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18926] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18923] exit_group(0 [pid 18924] <... futex resumed>) = 0 [pid 18927] write(4, NULL, 126976 [pid 18926] <... futex resumed>) = ? [pid 18923] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 18932 attached [pid 18927] <... write resumed>) = -1 EFAULT (Bad address) [pid 18926] +++ exited with 0 +++ [pid 18924] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18923] +++ exited with 0 +++ [pid 18931] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18932] set_robust_list(0x7fe89d1609e0, 24 [pid 18931] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18929] <... clone resumed>, parent_tid=[18932], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18932 [pid 18927] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18924] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18932] <... set_robust_list resumed>) = 0 [pid 18931] <... futex resumed>) = 1 [pid 18929] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18928] <... futex resumed>) = 0 [pid 18927] <... futex resumed>) = 0 [pid 18924] exit_group(0 [pid 3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18923, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18932] mkdir("./file0", 0777 [pid 18931] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18929] <... futex resumed>) = 0 [pid 18928] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18924] <... exit_group resumed>) = ? [pid 3609] restart_syscall(<... resuming interrupted clone ...> [pid 18932] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18931] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18930] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18929] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18928] <... futex resumed>) = 0 [pid 18927] +++ exited with 0 +++ [pid 18930] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18928] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18931] pipe2( [pid 18930] <... futex resumed>) = 1 [pid 18925] <... futex resumed>) = 0 [pid 18924] +++ exited with 0 +++ [pid 18932] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3609] <... restart_syscall resumed>) = 0 [pid 18932] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18931] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18930] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18925] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3612] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18924, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 18932] <... futex resumed>) = 1 [pid 18931] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18930] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18929] <... futex resumed>) = 0 [pid 18925] <... futex resumed>) = 0 [pid 18932] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18931] <... futex resumed>) = 1 [pid 18930] write(4, NULL, 126976 [pid 18929] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18928] <... futex resumed>) = 0 [pid 18925] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3609] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 18932] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18931] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18930] <... write resumed>) = -1 EFAULT (Bad address) [pid 18929] <... futex resumed>) = 0 [pid 18928] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3612] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3609] <... openat resumed>) = 3 [pid 18932] pipe2( [pid 18931] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18930] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18929] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18928] <... futex resumed>) = 0 [pid 3612] <... openat resumed>) = 3 [pid 3609] ioctl(3, LOOP_CLR_FD [pid 18932] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18931] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18930] <... futex resumed>) = 1 [pid 18928] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18925] <... futex resumed>) = 0 [pid 3612] ioctl(3, LOOP_CLR_FD [pid 3609] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18932] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18930] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18925] exit_group(0 [pid 3612] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3609] close(3 [pid 18932] <... futex resumed>) = 1 [pid 18930] <... futex resumed>) = ? [pid 18929] <... futex resumed>) = 0 [pid 18925] <... exit_group resumed>) = ? [pid 3612] close(3 [pid 3609] <... close resumed>) = 0 [pid 18932] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18930] +++ exited with 0 +++ [pid 18929] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3612] <... close resumed>) = 0 [pid 3609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18932] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18929] <... futex resumed>) = 0 [pid 18925] +++ exited with 0 +++ [pid 3612] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18932] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18929] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18925, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3609] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18933 [pid 18931] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3612] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18934 [pid 18931] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 18928] <... futex resumed>) = 0 [pid 18931] write(4, NULL, 126976 [pid 18928] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3610] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 18931] <... write resumed>) = -1 EFAULT (Bad address) [pid 18928] <... futex resumed>) = 0 [pid 3610] <... openat resumed>) = 3 ./strace-static-x86_64: Process 18934 attached ./strace-static-x86_64: Process 18933 attached [pid 18932] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18931] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18928] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3610] ioctl(3, LOOP_CLR_FD [pid 18934] set_robust_list(0x55555697d6e0, 24 [pid 18932] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18931] <... futex resumed>) = 0 [pid 18928] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3610] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18934] <... set_robust_list resumed>) = 0 [pid 18932] <... futex resumed>) = 1 [pid 18931] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18929] <... futex resumed>) = 0 [pid 18928] exit_group(0 [pid 3610] close(3 [pid 18934] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18932] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18929] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18928] <... exit_group resumed>) = ? [pid 3610] <... close resumed>) = 0 [pid 18931] <... futex resumed>) = ? [pid 18934] <... prctl resumed>) = 0 [pid 18933] set_robust_list(0x55555697d6e0, 24 [pid 18932] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18929] <... futex resumed>) = 0 [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18934] setpgid(0, 0 [pid 18932] write(4, NULL, 126976 [pid 18931] +++ exited with 0 +++ [pid 18929] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18928] +++ exited with 0 +++ [pid 18934] <... setpgid resumed>) = 0 [pid 18933] <... set_robust_list resumed>) = 0 [pid 18932] <... write resumed>) = -1 EFAULT (Bad address) [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18928, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18934] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18933] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18932] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3610] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18935 ./strace-static-x86_64: Process 18935 attached [pid 18934] <... openat resumed>) = 3 [pid 18932] <... futex resumed>) = 1 [pid 18929] <... futex resumed>) = 0 [pid 18933] <... prctl resumed>) = 0 [pid 18934] write(3, "1000", 4 [pid 18932] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18929] exit_group(0 [pid 18934] <... write resumed>) = 4 [pid 18933] setpgid(0, 0 [pid 18932] <... futex resumed>) = ? [pid 18929] <... exit_group resumed>) = ? [pid 18935] set_robust_list(0x55555697d6e0, 24 [pid 18934] close(3 [pid 18933] <... setpgid resumed>) = 0 [pid 18932] +++ exited with 0 +++ [pid 18935] <... set_robust_list resumed>) = 0 [pid 18934] <... close resumed>) = 0 [pid 18929] +++ exited with 0 +++ [pid 18934] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18933] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18929, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18935] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18934] <... futex resumed>) = 0 [pid 3613] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 18934] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe89d140000 [pid 3613] <... openat resumed>) = 3 [pid 18934] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18935] <... prctl resumed>) = 0 [pid 18934] <... mprotect resumed>) = 0 [pid 18933] <... openat resumed>) = 3 [pid 3613] ioctl(3, LOOP_CLR_FD [pid 3611] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 18934] 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 18933] write(3, "1000", 4 [pid 3613] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18935] setpgid(0, 0 [pid 18933] <... write resumed>) = 4 [pid 3613] close(3 [pid 3611] <... openat resumed>) = 3 [pid 18934] <... clone resumed>, parent_tid=[18936], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18936 [pid 18933] close(3 [pid 3613] <... close resumed>) = 0 [pid 18934] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3611] ioctl(3, LOOP_CLR_FD [pid 18933] <... close resumed>) = 0 [pid 18934] <... futex resumed>) = 0 [pid 18934] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000}./strace-static-x86_64: Process 18936 attached [pid 18936] set_robust_list(0x7fe89d1609e0, 24) = 0 [pid 3611] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3613] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18937 [pid 3611] close(3 [pid 18933] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3611] <... close resumed>) = 0 [pid 18933] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18936] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 18936] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18936] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18934] <... futex resumed>) = 0 [pid 18934] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 18934] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3611] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18938 [pid 18933] <... mmap resumed>) = 0x7fe89d140000 [pid 18933] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 18936] <... futex resumed>) = 1 [pid 18936] pipe2([3, 4], 0) = 0 [pid 18936] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 18934] <... futex resumed>) = 0 [pid 18936] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18934] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18935] <... setpgid resumed>) = 0 [pid 18934] <... futex resumed>) = 0 [pid 18933] 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 18937 attached [pid 18934] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18937] set_robust_list(0x55555697d6e0, 24 [pid 18935] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18933] <... clone resumed>, parent_tid=[18939], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18939 ./strace-static-x86_64: Process 18938 attached [pid 18937] <... set_robust_list resumed>) = 0 [pid 18935] <... openat resumed>) = 3 [pid 18933] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 18935] write(3, "1000", 4 [pid 18933] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18935] <... write resumed>) = 4 ./strace-static-x86_64: Process 18939 attached [pid 18938] set_robust_list(0x55555697d6e0, 24 [pid 18937] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18935] close(3 [pid 18939] set_robust_list(0x7fe89d1609e0, 24 [pid 18938] <... set_robust_list resumed>) = 0 [pid 18937] <... prctl resumed>) = 0 [pid 18935] <... close resumed>) = 0 [pid 18939] <... set_robust_list resumed>) = 0 [pid 18937] setpgid(0, 0 [pid 18935] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18939] mkdir("./file0", 0777 [pid 18938] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18937] <... setpgid resumed>) = 0 [pid 18935] <... futex resumed>) = 0 [pid 18939] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18938] <... prctl resumed>) = 0 [pid 18937] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18935] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18939] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18938] setpgid(0, 0 [pid 18935] <... mmap resumed>) = 0x7fe89d140000 [pid 18938] <... setpgid resumed>) = 0 [pid 18935] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18938] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18937] <... openat resumed>) = 3 [pid 18935] <... mprotect resumed>) = 0 [pid 18939] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18938] <... openat resumed>) = 3 [pid 18937] write(3, "1000", 4 [pid 18935] 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 18939] <... futex resumed>) = 1 [pid 18938] write(3, "1000", 4 [pid 18937] <... write resumed>) = 4 [pid 18936] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18933] <... futex resumed>) = 0 [pid 18939] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18938] <... write resumed>) = 4 [pid 18937] close(3 [pid 18935] <... clone resumed>, parent_tid=[18940], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18940 [pid 18933] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 18940 attached [pid 18939] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18938] close(3 [pid 18937] <... close resumed>) = 0 [pid 18936] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18935] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18933] <... futex resumed>) = 0 [pid 18940] set_robust_list(0x7fe89d1609e0, 24 [pid 18939] pipe2( [pid 18937] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18936] <... futex resumed>) = 1 [pid 18935] <... futex resumed>) = 0 [pid 18934] <... futex resumed>) = 0 [pid 18940] <... set_robust_list resumed>) = 0 [pid 18939] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18938] <... close resumed>) = 0 [pid 18937] <... futex resumed>) = 0 [pid 18936] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18935] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18934] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18933] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18940] mkdir("./file0", 0777 [pid 18939] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18938] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18937] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18936] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18934] <... futex resumed>) = 0 [pid 18933] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18940] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18939] <... futex resumed>) = 0 [pid 18938] <... futex resumed>) = 0 [pid 18937] <... mmap resumed>) = 0x7fe89d140000 [pid 18936] write(4, NULL, 126976 [pid 18934] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18933] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18940] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18939] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18938] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18937] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18936] <... write resumed>) = -1 EFAULT (Bad address) [pid 18933] <... futex resumed>) = 0 [pid 18940] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18938] <... mmap resumed>) = 0x7fe89d140000 [pid 18937] <... mprotect resumed>) = 0 [pid 18933] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18936] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18938] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18936] <... futex resumed>) = 1 [pid 18934] <... futex resumed>) = 0 [pid 18940] <... futex resumed>) = 1 [pid 18938] <... mprotect resumed>) = 0 [pid 18937] 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 18936] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18935] <... futex resumed>) = 0 [pid 18934] exit_group(0./strace-static-x86_64: Process 18941 attached [pid 18940] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18938] 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 18936] <... futex resumed>) = ? [pid 18935] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18934] <... exit_group resumed>) = ? [pid 18941] set_robust_list(0x7fe89d1609e0, 24 [pid 18936] +++ exited with 0 +++ [pid 18935] <... futex resumed>) = 0 [pid 18941] <... set_robust_list resumed>) = 0 [pid 18940] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18938] <... clone resumed>, parent_tid=[18942], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18942 [pid 18937] <... clone resumed>, parent_tid=[18941], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18941 [pid 18935] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18934] +++ exited with 0 +++ [pid 18941] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18940] pipe2( [pid 18938] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18937] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3612] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18934, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18941] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18940] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18938] <... futex resumed>) = 0 [pid 18937] <... futex resumed>) = 0 ./strace-static-x86_64: Process 18942 attached [pid 18941] mkdir("./file0", 0777 [pid 18940] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18939] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18938] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18937] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18942] set_robust_list(0x7fe89d1609e0, 24 [pid 18941] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18940] <... futex resumed>) = 1 [pid 18939] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18935] <... futex resumed>) = 0 [pid 18942] <... set_robust_list resumed>) = 0 [pid 18941] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18940] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18939] <... futex resumed>) = 1 [pid 18935] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18933] <... futex resumed>) = 0 [pid 3612] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 18942] mkdir("./file0", 0777 [pid 18941] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18940] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18939] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18935] <... futex resumed>) = 0 [pid 18933] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18942] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18941] <... futex resumed>) = 1 [pid 18940] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18939] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18937] <... futex resumed>) = 0 [pid 18935] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18933] <... futex resumed>) = 0 [pid 3612] <... openat resumed>) = 3 [pid 18942] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18941] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18939] write(4, NULL, 126976 [pid 18937] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18933] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3612] ioctl(3, LOOP_CLR_FD [pid 18941] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18939] <... write resumed>) = -1 EFAULT (Bad address) [pid 18937] <... futex resumed>) = 0 [pid 3612] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18942] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18941] pipe2( [pid 18939] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18937] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3612] close(3 [pid 18942] <... futex resumed>) = 1 [pid 18941] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18939] <... futex resumed>) = 1 [pid 18938] <... futex resumed>) = 0 [pid 18933] <... futex resumed>) = 0 [pid 3612] <... close resumed>) = 0 [pid 18941] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18933] exit_group(0 [pid 3612] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18941] <... futex resumed>) = 1 [pid 18937] <... futex resumed>) = 0 [pid 18933] <... exit_group resumed>) = ? [pid 18941] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18937] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3612] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18943 [pid 18941] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18937] <... futex resumed>) = 0 [pid 18941] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18938] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18937] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 18943 attached [pid 18942] pipe2( [pid 18940] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18939] +++ exited with 0 +++ [pid 18938] <... futex resumed>) = 0 [pid 18933] +++ exited with 0 +++ [pid 18943] set_robust_list(0x55555697d6e0, 24 [pid 18942] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18940] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18938] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18943] <... set_robust_list resumed>) = 0 [pid 18942] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18940] <... futex resumed>) = 1 [pid 18938] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18935] <... futex resumed>) = 0 [pid 3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18933, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18943] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18942] <... futex resumed>) = 0 [pid 18940] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18938] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18935] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18943] <... prctl resumed>) = 0 [pid 18942] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18940] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18938] <... futex resumed>) = 0 [pid 18935] <... futex resumed>) = 0 [pid 18935] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18938] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3609] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 18940] write(4, NULL, 126976 [pid 18943] setpgid(0, 0 [pid 3609] <... openat resumed>) = 3 [pid 3609] ioctl(3, LOOP_CLR_FD [pid 18940] <... write resumed>) = -1 EFAULT (Bad address) [pid 3609] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3609] close(3) = 0 [pid 18940] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18940] <... futex resumed>) = 1 [pid 18935] <... futex resumed>) = 0 [pid 3609] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18944 [pid 18940] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18935] exit_group(0 [pid 18940] <... futex resumed>) = ? [pid 18935] <... exit_group resumed>) = ? [pid 18940] +++ exited with 0 +++ [pid 18935] +++ exited with 0 +++ [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18935, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3610] restart_syscall(<... resuming interrupted clone ...>) = 0 ./strace-static-x86_64: Process 18944 attached [pid 3610] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 18944] set_robust_list(0x55555697d6e0, 24 [pid 3610] <... openat resumed>) = 3 [pid 18944] <... set_robust_list resumed>) = 0 [pid 3610] ioctl(3, LOOP_CLR_FD [pid 18944] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3610] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18944] <... prctl resumed>) = 0 [pid 18943] <... setpgid resumed>) = 0 [pid 18941] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18942] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3610] close(3 [pid 18944] setpgid(0, 0 [pid 18943] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18942] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18941] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3610] <... close resumed>) = 0 [pid 18944] <... setpgid resumed>) = 0 [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18945 attached [pid 18944] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18943] <... openat resumed>) = 3 [pid 18942] <... futex resumed>) = 1 [pid 18941] <... futex resumed>) = 1 [pid 18938] <... futex resumed>) = 0 [pid 18937] <... futex resumed>) = 0 [pid 18944] <... openat resumed>) = 3 [pid 18943] write(3, "1000", 4 [pid 18937] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3610] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18945 [pid 18944] write(3, "1000", 4 [pid 18943] <... write resumed>) = 4 [pid 18942] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18941] write(4, NULL, 126976 [pid 18938] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18937] <... futex resumed>) = 0 [pid 18944] <... write resumed>) = 4 [pid 18943] close(3 [pid 18942] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18941] <... write resumed>) = -1 EFAULT (Bad address) [pid 18938] <... futex resumed>) = 0 [pid 18937] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18945] set_robust_list(0x55555697d6e0, 24 [pid 18944] close(3 [pid 18943] <... close resumed>) = 0 [pid 18942] write(4, NULL, 126976 [pid 18941] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18938] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18937] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18945] <... set_robust_list resumed>) = 0 [pid 18944] <... close resumed>) = 0 [pid 18943] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18942] <... write resumed>) = -1 EFAULT (Bad address) [pid 18941] <... futex resumed>) = 0 [pid 18937] exit_group(0 [pid 18944] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18943] <... futex resumed>) = 0 [pid 18942] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18937] <... exit_group resumed>) = ? [pid 18945] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18944] <... futex resumed>) = 0 [pid 18943] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18942] <... futex resumed>) = 1 [pid 18941] +++ exited with 0 +++ [pid 18938] <... futex resumed>) = 0 [pid 18945] <... prctl resumed>) = 0 [pid 18944] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18943] <... mmap resumed>) = 0x7fe89d140000 [pid 18942] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18938] exit_group(0 [pid 18937] +++ exited with 0 +++ [pid 18944] <... mmap resumed>) = 0x7fe89d140000 [pid 18943] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18942] <... futex resumed>) = ? [pid 18938] <... exit_group resumed>) = ? [pid 18945] setpgid(0, 0 [pid 18944] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18943] <... mprotect resumed>) = 0 [pid 18942] +++ exited with 0 +++ [pid 18938] +++ exited with 0 +++ [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18937, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 18944] <... mprotect resumed>) = 0 [pid 18943] 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] restart_syscall(<... resuming interrupted clone ...> [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18938, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18944] 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] <... restart_syscall resumed>) = 0 [pid 3611] restart_syscall(<... resuming interrupted clone ...> [pid 18945] <... setpgid resumed>) = 0 [pid 3611] <... restart_syscall resumed>) = 0 [pid 18945] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18944] <... clone resumed>, parent_tid=[18947], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18947 [pid 18943] <... clone resumed>, parent_tid=[18946], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18946 [pid 3613] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 18944] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3613] <... openat resumed>) = 3 [pid 3611] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 18944] <... futex resumed>) = 0 [pid 18943] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3613] ioctl(3, LOOP_CLR_FD [pid 18944] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18943] <... futex resumed>) = 0 [pid 3613] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3611] <... openat resumed>) = 3 [pid 18943] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 3613] close(3 [pid 3611] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 18947 attached ./strace-static-x86_64: Process 18946 attached [pid 3613] <... close resumed>) = 0 [pid 3611] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18947] set_robust_list(0x7fe89d1609e0, 24 [pid 18946] set_robust_list(0x7fe89d1609e0, 24 [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3611] close(3 [pid 18947] <... set_robust_list resumed>) = 0 [pid 18946] <... set_robust_list resumed>) = 0 [pid 3611] <... close resumed>) = 0 [pid 18947] mkdir("./file0", 0777 [pid 18946] mkdir("./file0", 0777 [pid 3613] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18948 [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18949 attached ./strace-static-x86_64: Process 18948 attached [pid 18947] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18946] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18945] <... openat resumed>) = 3 [pid 18949] set_robust_list(0x55555697d6e0, 24 [pid 18948] set_robust_list(0x55555697d6e0, 24 [pid 18945] write(3, "1000", 4 [pid 18949] <... set_robust_list resumed>) = 0 [pid 18948] <... set_robust_list resumed>) = 0 [pid 18947] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18946] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18945] <... write resumed>) = 4 [pid 3611] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18949 [pid 18949] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18948] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18945] close(3 [pid 18947] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18949] <... prctl resumed>) = 0 [pid 18948] <... prctl resumed>) = 0 [pid 18946] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18945] <... close resumed>) = 0 [pid 18944] <... futex resumed>) = 0 [pid 18947] <... futex resumed>) = 1 [pid 18949] setpgid(0, 0 [pid 18948] setpgid(0, 0 [pid 18947] pipe2( [pid 18946] <... futex resumed>) = 1 [pid 18945] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18944] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18943] <... futex resumed>) = 0 [pid 18949] <... setpgid resumed>) = 0 [pid 18948] <... setpgid resumed>) = 0 [pid 18947] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18946] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18945] <... futex resumed>) = 0 [pid 18944] <... futex resumed>) = 0 [pid 18943] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18949] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18948] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18947] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18946] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18945] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18944] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18943] <... futex resumed>) = 0 [pid 18949] <... openat resumed>) = 3 [pid 18948] <... openat resumed>) = 3 [pid 18947] <... futex resumed>) = 0 [pid 18946] pipe2( [pid 18945] <... mmap resumed>) = 0x7fe89d140000 [pid 18944] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18943] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18949] write(3, "1000", 4 [pid 18948] write(3, "1000", 4 [pid 18947] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18946] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18945] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18944] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18949] <... write resumed>) = 4 [pid 18948] <... write resumed>) = 4 [pid 18947] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18946] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18945] <... mprotect resumed>) = 0 [pid 18944] <... futex resumed>) = 0 [pid 18949] close(3 [pid 18948] close(3 [pid 18947] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18946] <... futex resumed>) = 1 [pid 18945] 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 18944] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18943] <... futex resumed>) = 0 [pid 18949] <... close resumed>) = 0 [pid 18948] <... close resumed>) = 0 [pid 18943] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18949] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18948] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18946] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18945] <... clone resumed>, parent_tid=[18950], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18950 [pid 18949] <... futex resumed>) = 0 [pid 18948] <... futex resumed>) = 0 [pid 18945] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18949] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18948] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18945] <... futex resumed>) = 0 [pid 18949] <... mmap resumed>) = 0x7fe89d140000 [pid 18948] <... mmap resumed>) = 0x7fe89d140000 [pid 18945] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18943] <... futex resumed>) = 0 [pid 18949] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18948] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18943] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18949] <... mprotect resumed>) = 0 [pid 18948] <... mprotect resumed>) = 0 [pid 18949] 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 18948] 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 18949] <... clone resumed>, parent_tid=[18951], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18951 [pid 18948] <... clone resumed>, parent_tid=[18952], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18952 [pid 18949] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18948] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18949] <... futex resumed>) = 0 [pid 18948] <... futex resumed>) = 0 [pid 18949] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18948] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000}./strace-static-x86_64: Process 18950 attached [pid 18950] set_robust_list(0x7fe89d1609e0, 24) = 0 [pid 18950] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 18950] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18950] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 18945] <... futex resumed>) = 0 ./strace-static-x86_64: Process 18952 attached [pid 18950] pipe2( [pid 18945] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18952] set_robust_list(0x7fe89d1609e0, 24 [pid 18950] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18945] <... futex resumed>) = 0 [pid 18952] <... set_robust_list resumed>) = 0 [pid 18950] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18945] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18952] mkdir("./file0", 0777 [pid 18950] <... futex resumed>) = 0 [pid 18945] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18952] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18950] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18945] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18952] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18950] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18945] <... futex resumed>) = 0 [pid 18952] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18950] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18945] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18952] <... futex resumed>) = 1 [pid 18948] <... futex resumed>) = 0 [pid 18952] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18948] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18952] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18948] <... futex resumed>) = 0 [pid 18952] pipe2( [pid 18948] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18952] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18952] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 18948] <... futex resumed>) = 0 [pid 18952] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18948] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18952] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18948] <... futex resumed>) = 0 [pid 18952] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18948] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 18951 attached [pid 18951] set_robust_list(0x7fe89d1609e0, 24) = 0 [pid 18951] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 18951] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18951] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18949] <... futex resumed>) = 0 [pid 18949] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 18949] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18951] <... futex resumed>) = 1 [pid 18951] pipe2([3, 4], 0) = 0 [pid 18951] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18946] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18946] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 18943] <... futex resumed>) = 0 [pid 18946] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18943] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18946] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18943] <... futex resumed>) = 0 [pid 18946] write(4, NULL, 126976 [pid 18943] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18946] <... write resumed>) = -1 EFAULT (Bad address) [pid 18946] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18947] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18946] <... futex resumed>) = 1 [pid 18943] <... futex resumed>) = 0 [pid 18947] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18946] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18943] exit_group(0 [pid 18947] <... futex resumed>) = 1 [pid 18946] <... futex resumed>) = ? [pid 18944] <... futex resumed>) = 0 [pid 18943] <... exit_group resumed>) = ? [pid 18947] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18946] +++ exited with 0 +++ [pid 18944] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18943] +++ exited with 0 +++ [pid 18947] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18944] <... futex resumed>) = 0 [pid 18947] write(4, NULL, 126976 [pid 18944] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3612] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18943, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18947] <... write resumed>) = -1 EFAULT (Bad address) [pid 3612] restart_syscall(<... resuming interrupted clone ...> [pid 18947] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3612] <... restart_syscall resumed>) = 0 [pid 18947] <... futex resumed>) = 1 [pid 18944] <... futex resumed>) = 0 [pid 18947] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18944] exit_group(0 [pid 18947] <... futex resumed>) = ? [pid 18944] <... exit_group resumed>) = ? [pid 18951] <... futex resumed>) = 1 [pid 18950] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18949] <... futex resumed>) = 0 [pid 3612] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 18952] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18950] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18949] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18947] +++ exited with 0 +++ [pid 18944] +++ exited with 0 +++ [pid 3612] <... openat resumed>) = 3 [pid 18952] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18951] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18950] <... futex resumed>) = 1 [pid 18949] <... futex resumed>) = 0 [pid 18945] <... futex resumed>) = 0 [pid 3612] ioctl(3, LOOP_CLR_FD [pid 3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18944, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18952] <... futex resumed>) = 1 [pid 18950] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18949] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18948] <... futex resumed>) = 0 [pid 18945] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3612] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3609] restart_syscall(<... resuming interrupted clone ...> [pid 18952] write(4, NULL, 126976 [pid 18950] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18948] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18945] <... futex resumed>) = 0 [pid 3612] close(3 [pid 3609] <... restart_syscall resumed>) = 0 [pid 18952] <... write resumed>) = -1 EFAULT (Bad address) [pid 18950] write(4, NULL, 126976 [pid 18948] <... futex resumed>) = 0 [pid 18945] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3612] <... close resumed>) = 0 [pid 18952] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18950] <... write resumed>) = -1 EFAULT (Bad address) [pid 18948] 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 [pid 18952] <... futex resumed>) = 0 [pid 18950] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18948] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3609] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 18952] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18950] <... futex resumed>) = 1 [pid 18948] exit_group(0 [pid 18945] <... futex resumed>) = 0 [pid 3612] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18953 [pid 3609] <... openat resumed>) = 3 ./strace-static-x86_64: Process 18953 attached [pid 18952] <... futex resumed>) = ? [pid 18950] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18948] <... exit_group resumed>) = ? [pid 18945] exit_group(0 [pid 3609] ioctl(3, LOOP_CLR_FD [pid 18953] set_robust_list(0x55555697d6e0, 24 [pid 18952] +++ exited with 0 +++ [pid 18950] <... futex resumed>) = ? [pid 18948] +++ exited with 0 +++ [pid 18945] <... exit_group resumed>) = ? [pid 3609] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18953] <... set_robust_list resumed>) = 0 [pid 18950] +++ exited with 0 +++ [pid 18945] +++ exited with 0 +++ [pid 3609] close(3 [pid 18953] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18948, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18945, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3613] restart_syscall(<... resuming interrupted clone ...> [pid 3609] <... close resumed>) = 0 [pid 3613] <... restart_syscall resumed>) = 0 [pid 3609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18953] <... prctl resumed>) = 0 [pid 18953] setpgid(0, 0) = 0 [pid 3609] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18954 [pid 18953] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3613] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 18953] <... openat resumed>) = 3 [pid 18951] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18953] write(3, "1000", 4 [pid 3613] <... openat resumed>) = 3 [pid 18951] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18953] <... write resumed>) = 4 [pid 3613] ioctl(3, LOOP_CLR_FD [pid 3610] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 18953] close(3 [pid 18951] <... futex resumed>) = 1 [pid 18949] <... futex resumed>) = 0 [pid 3613] <... ioctl resumed>) = -1 ENXIO (No such device or address) ./strace-static-x86_64: Process 18954 attached [pid 18953] <... close resumed>) = 0 [pid 18951] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18949] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3613] close(3 [pid 3610] <... openat resumed>) = 3 [pid 18954] set_robust_list(0x55555697d6e0, 24 [pid 18953] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18951] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18949] <... futex resumed>) = 0 [pid 3613] <... close resumed>) = 0 [pid 3610] ioctl(3, LOOP_CLR_FD [pid 18954] <... set_robust_list resumed>) = 0 [pid 18953] <... futex resumed>) = 0 [pid 18951] write(4, NULL, 126976 [pid 18949] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3610] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18954] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18953] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18951] <... write resumed>) = -1 EFAULT (Bad address) [pid 18953] <... mmap resumed>) = 0x7fe89d140000 [pid 18953] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 18953] 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 [pid 18954] <... prctl resumed>) = 0 [pid 18951] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3613] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18955 [pid 3610] <... close resumed>) = 0 [pid 18954] setpgid(0, 0 [pid 18953] <... clone resumed>, parent_tid=[18956], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18956 [pid 18951] <... futex resumed>) = 1 [pid 18949] <... futex resumed>) = 0 [pid 18954] <... setpgid resumed>) = 0 [pid 18953] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18951] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18949] exit_group(0 [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18955 attached [pid 18953] <... futex resumed>) = 0 [pid 18949] <... exit_group resumed>) = ? [pid 18955] set_robust_list(0x55555697d6e0, 24 [pid 18953] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18955] <... set_robust_list resumed>) = 0 [pid 18955] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 18955] setpgid(0, 0 [pid 18951] <... futex resumed>) = ? [pid 18955] <... setpgid resumed>) = 0 [pid 18954] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18955] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18951] +++ exited with 0 +++ [pid 18949] +++ exited with 0 +++ [pid 18955] <... openat resumed>) = 3 [pid 18954] <... openat resumed>) = 3 [pid 3610] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18957 [pid 18954] write(3, "1000", 4 [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18949, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18954] <... write resumed>) = 4 [pid 3611] restart_syscall(<... resuming interrupted clone ...> [pid 18954] close(3 [pid 3611] <... restart_syscall resumed>) = 0 [pid 18954] <... close resumed>) = 0 [pid 18954] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 18957 attached [pid 18955] write(3, "1000", 4 [pid 18954] <... futex resumed>) = 0 [pid 18957] set_robust_list(0x55555697d6e0, 24 [pid 18955] <... write resumed>) = 4 [pid 18954] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3611] openat(AT_FDCWD, "/dev/loop2", O_RDWR./strace-static-x86_64: Process 18956 attached [pid 18957] <... set_robust_list resumed>) = 0 [pid 18955] close(3 [pid 18954] <... mmap resumed>) = 0x7fe89d140000 [pid 3611] <... openat resumed>) = 3 [pid 18957] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18956] set_robust_list(0x7fe89d1609e0, 24 [pid 18955] <... close resumed>) = 0 [pid 18954] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 3611] ioctl(3, LOOP_CLR_FD [pid 18957] <... prctl resumed>) = 0 [pid 18956] <... set_robust_list resumed>) = 0 [pid 18955] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18954] <... mprotect resumed>) = 0 [pid 3611] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18957] setpgid(0, 0 [pid 18956] mkdir("./file0", 0777 [pid 18955] <... futex resumed>) = 0 [pid 18957] <... setpgid resumed>) = 0 [pid 18956] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18955] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18954] 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] close(3 [pid 18957] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18956] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18955] <... mmap resumed>) = 0x7fe89d140000 [pid 18957] <... openat resumed>) = 3 [pid 18956] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18955] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18954] <... clone resumed>, parent_tid=[18958], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18958 [pid 3611] <... close resumed>) = 0 ./strace-static-x86_64: Process 18958 attached [pid 18957] write(3, "1000", 4 [pid 18956] <... futex resumed>) = 1 [pid 18955] <... mprotect resumed>) = 0 [pid 18954] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18953] <... futex resumed>) = 0 [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18957] <... write resumed>) = 4 [pid 18955] 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 18953] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18957] close(3 [pid 18953] <... futex resumed>) = 0 [pid 18957] <... close resumed>) = 0 [pid 18955] <... clone resumed>, parent_tid=[18959], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18959 [pid 18953] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18957] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18955] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18957] <... futex resumed>) = 0 [pid 18956] pipe2( [pid 18955] <... futex resumed>) = 0 [pid 18954] <... futex resumed>) = 0 [pid 18958] set_robust_list(0x7fe89d1609e0, 24 [pid 18957] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18956] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18955] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18954] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000}./strace-static-x86_64: Process 18960 attached ./strace-static-x86_64: Process 18959 attached [pid 18958] <... set_robust_list resumed>) = 0 [pid 18957] <... mmap resumed>) = 0x7fe89d140000 [pid 18956] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18960 [pid 18960] set_robust_list(0x55555697d6e0, 24 [pid 18959] set_robust_list(0x7fe89d1609e0, 24 [pid 18958] mkdir("./file0", 0777 [pid 18957] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18956] <... futex resumed>) = 1 [pid 18953] <... futex resumed>) = 0 [pid 18960] <... set_robust_list resumed>) = 0 [pid 18959] <... set_robust_list resumed>) = 0 [pid 18958] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18957] <... mprotect resumed>) = 0 [pid 18956] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18953] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18960] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18959] mkdir("./file0", 0777 [pid 18958] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18957] 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 18956] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18953] <... futex resumed>) = 0 [pid 18960] <... prctl resumed>) = 0 [pid 18959] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18958] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18956] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18953] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 18961 attached [pid 18960] setpgid(0, 0 [pid 18959] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18958] <... futex resumed>) = 1 [pid 18957] <... clone resumed>, parent_tid=[18961], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18961 [pid 18954] <... futex resumed>) = 0 [pid 18961] set_robust_list(0x7fe89d1609e0, 24 [pid 18960] <... setpgid resumed>) = 0 [pid 18959] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18958] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18957] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18961] <... set_robust_list resumed>) = 0 [pid 18959] <... futex resumed>) = 1 [pid 18957] <... futex resumed>) = 0 [pid 18955] <... futex resumed>) = 0 [pid 18954] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18961] mkdir("./file0", 0777 [pid 18959] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18958] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18957] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18955] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18954] <... futex resumed>) = 0 [pid 18961] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18960] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18959] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18958] pipe2( [pid 18956] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18955] <... futex resumed>) = 0 [pid 18954] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18961] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18960] <... openat resumed>) = 3 [pid 18959] pipe2( [pid 18955] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18961] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18959] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18958] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18960] write(3, "1000", 4 [pid 18956] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18961] <... futex resumed>) = 1 [pid 18960] <... write resumed>) = 4 [pid 18959] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18958] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18957] <... futex resumed>) = 0 [pid 18961] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18960] close(3 [pid 18959] <... futex resumed>) = 1 [pid 18958] <... futex resumed>) = 1 [pid 18957] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18956] <... futex resumed>) = 1 [pid 18955] <... futex resumed>) = 0 [pid 18954] <... futex resumed>) = 0 [pid 18953] <... futex resumed>) = 0 [pid 18961] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18960] <... close resumed>) = 0 [pid 18959] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18958] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18957] <... futex resumed>) = 0 [pid 18956] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18955] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18954] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18953] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18961] pipe2( [pid 18960] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18959] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18958] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18957] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18956] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18955] <... futex resumed>) = 0 [pid 18954] <... futex resumed>) = 0 [pid 18953] <... futex resumed>) = 0 [pid 18961] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18960] <... futex resumed>) = 0 [pid 18959] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18958] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18956] write(4, NULL, 126976 [pid 18955] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18954] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18953] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18961] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18960] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18956] <... write resumed>) = -1 EFAULT (Bad address) [pid 18961] <... futex resumed>) = 1 [pid 18960] <... mmap resumed>) = 0x7fe89d140000 [pid 18957] <... futex resumed>) = 0 [pid 18956] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18961] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18960] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18957] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18956] <... futex resumed>) = 1 [pid 18953] <... futex resumed>) = 0 [pid 18961] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18960] <... mprotect resumed>) = 0 [pid 18957] <... futex resumed>) = 0 [pid 18956] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18953] exit_group(0 [pid 18961] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18960] 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 18957] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18956] <... futex resumed>) = ? [pid 18953] <... exit_group resumed>) = ? [pid 18959] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18956] +++ exited with 0 +++ [pid 18960] <... clone resumed>, parent_tid=[18962], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18962 [pid 18960] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18953] +++ exited with 0 +++ [pid 18959] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18960] <... futex resumed>) = 0 [pid 18959] <... futex resumed>) = 1 [pid 18955] <... futex resumed>) = 0 [pid 3612] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18953, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18960] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18955] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3612] restart_syscall(<... resuming interrupted clone ...> [pid 18955] <... futex resumed>) = 0 [pid 3612] <... restart_syscall resumed>) = 0 [pid 18955] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 18962 attached [pid 18962] set_robust_list(0x7fe89d1609e0, 24 [pid 3612] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 18962] <... set_robust_list resumed>) = 0 [pid 3612] <... openat resumed>) = 3 [pid 18962] mkdir("./file0", 0777 [pid 18959] write(4, NULL, 126976 [pid 3612] ioctl(3, LOOP_CLR_FD [pid 18962] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18959] <... write resumed>) = -1 EFAULT (Bad address) [pid 3612] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18962] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18959] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3612] close(3 [pid 18962] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3612] <... close resumed>) = 0 [pid 18962] <... futex resumed>) = 1 [pid 18961] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18960] <... futex resumed>) = 0 [pid 18959] <... futex resumed>) = 1 [pid 18958] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18955] <... futex resumed>) = 0 [pid 3612] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18962] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18961] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18960] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18959] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18958] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18955] exit_group(0 [pid 18962] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18961] <... futex resumed>) = 1 [pid 18960] <... futex resumed>) = 0 [pid 18959] <... futex resumed>) = ? [pid 18958] <... futex resumed>) = 1 [pid 18957] <... futex resumed>) = 0 [pid 18955] <... exit_group resumed>) = ? [pid 18954] <... futex resumed>) = 0 [pid 3612] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18963 ./strace-static-x86_64: Process 18963 attached [pid 18962] pipe2( [pid 18961] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18960] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18959] +++ exited with 0 +++ [pid 18958] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18957] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18954] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18962] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18961] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18958] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18957] <... futex resumed>) = 0 [pid 18955] +++ exited with 0 +++ [pid 18954] <... futex resumed>) = 0 [pid 18963] set_robust_list(0x55555697d6e0, 24 [pid 18962] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18961] write(4, NULL, 126976 [pid 18958] write(4, NULL, 126976 [pid 18957] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18954] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18955, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18963] <... set_robust_list resumed>) = 0 [pid 18962] <... futex resumed>) = 1 [pid 18961] <... write resumed>) = -1 EFAULT (Bad address) [pid 18960] <... futex resumed>) = 0 [pid 18958] <... write resumed>) = -1 EFAULT (Bad address) [pid 3613] restart_syscall(<... resuming interrupted clone ...> [pid 18963] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18962] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18961] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18960] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18958] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3613] <... restart_syscall resumed>) = 0 [pid 18963] <... prctl resumed>) = 0 [pid 18962] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18961] <... futex resumed>) = 1 [pid 18960] <... futex resumed>) = 0 [pid 18958] <... futex resumed>) = 1 [pid 18957] <... futex resumed>) = 0 [pid 18954] <... futex resumed>) = 0 [pid 18963] setpgid(0, 0 [pid 18962] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18961] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18960] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18958] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18957] exit_group(0 [pid 18954] exit_group(0 [pid 18963] <... setpgid resumed>) = 0 [pid 18961] <... futex resumed>) = ? [pid 18957] <... exit_group resumed>) = ? [pid 18963] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18961] +++ exited with 0 +++ [pid 18958] <... futex resumed>) = ? [pid 18957] +++ exited with 0 +++ [pid 18954] <... exit_group resumed>) = ? [pid 3613] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 18963] <... openat resumed>) = 3 [pid 18958] +++ exited with 0 +++ [pid 18954] +++ exited with 0 +++ [pid 3613] <... openat resumed>) = 3 [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18957, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3613] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18954, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3613] close(3 [pid 3609] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 3613] <... close resumed>) = 0 [pid 3609] <... openat resumed>) = 3 [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3609] ioctl(3, LOOP_CLR_FD [pid 3610] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 3609] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3613] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18964 [pid 3610] <... openat resumed>) = 3 [pid 3609] close(3 [pid 3610] ioctl(3, LOOP_CLR_FD [pid 3609] <... close resumed>) = 0 [pid 3610] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3610] close(3./strace-static-x86_64: Process 18964 attached ) = 0 [pid 3609] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18965 [pid 18964] set_robust_list(0x55555697d6e0, 24 [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18965 attached [pid 18964] <... set_robust_list resumed>) = 0 [pid 18963] write(3, "1000", 4 [pid 18962] <... mount resumed>) = -1 EFAULT (Bad address) ./strace-static-x86_64: Process 18966 attached [pid 18965] set_robust_list(0x55555697d6e0, 24 [pid 18964] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18963] <... write resumed>) = 4 [pid 18962] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3610] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18966 [pid 18966] set_robust_list(0x55555697d6e0, 24 [pid 18965] <... set_robust_list resumed>) = 0 [pid 18964] <... prctl resumed>) = 0 [pid 18963] close(3 [pid 18962] <... futex resumed>) = 1 [pid 18960] <... futex resumed>) = 0 [pid 18966] <... set_robust_list resumed>) = 0 [pid 18965] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18964] setpgid(0, 0 [pid 18963] <... close resumed>) = 0 [pid 18962] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18960] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18966] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18965] <... prctl resumed>) = 0 [pid 18964] <... setpgid resumed>) = 0 [pid 18963] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18962] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18960] <... futex resumed>) = 0 [pid 18966] <... prctl resumed>) = 0 [pid 18965] setpgid(0, 0 [pid 18964] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18963] <... futex resumed>) = 0 [pid 18962] write(4, NULL, 126976 [pid 18960] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18966] setpgid(0, 0 [pid 18965] <... setpgid resumed>) = 0 [pid 18963] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18962] <... write resumed>) = -1 EFAULT (Bad address) [pid 18964] <... openat resumed>) = 3 [pid 18966] <... setpgid resumed>) = 0 [pid 18965] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18964] write(3, "1000", 4 [pid 18963] <... mmap resumed>) = 0x7fe89d140000 [pid 18962] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18966] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18965] <... openat resumed>) = 3 [pid 18964] <... write resumed>) = 4 [pid 18963] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18962] <... futex resumed>) = 1 [pid 18960] <... futex resumed>) = 0 [pid 18966] <... openat resumed>) = 3 [pid 18965] write(3, "1000", 4 [pid 18964] close(3 [pid 18963] <... mprotect resumed>) = 0 [pid 18962] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18960] exit_group(0 [pid 18966] write(3, "1000", 4 [pid 18965] <... write resumed>) = 4 [pid 18964] <... close resumed>) = 0 [pid 18963] 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 18960] <... exit_group resumed>) = ? [pid 18962] <... futex resumed>) = ? [pid 18966] <... write resumed>) = 4 [pid 18965] close(3 [pid 18964] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18966] close(3 [pid 18965] <... close resumed>) = 0 [pid 18963] <... clone resumed>, parent_tid=[18967], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18967 [pid 18966] <... close resumed>) = 0 [pid 18965] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18963] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18966] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18965] <... futex resumed>) = 0 [pid 18963] <... futex resumed>) = 0 [pid 18966] <... futex resumed>) = 0 [pid 18965] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18963] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18962] +++ exited with 0 +++ [pid 18960] +++ exited with 0 +++ [pid 18966] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18965] <... mmap resumed>) = 0x7fe89d140000 [pid 18964] <... futex resumed>) = 0 [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18960, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18966] <... mmap resumed>) = 0x7fe89d140000 [pid 18965] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18964] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18966] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18965] <... mprotect resumed>) = 0 [pid 18964] <... mmap resumed>) = 0x7fe89d140000 [pid 18966] <... mprotect resumed>) = 0 [pid 18965] 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 18964] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18966] 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 18964] <... mprotect resumed>) = 0 [pid 18965] <... clone resumed>, parent_tid=[18968], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18968 [pid 18966] <... clone resumed>, parent_tid=[18969], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18969 [pid 18965] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18964] 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 18966] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18965] <... futex resumed>) = 0 [pid 18966] <... futex resumed>) = 0 [pid 18965] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18966] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18964] <... clone resumed>, parent_tid=[18970], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18970 [pid 18964] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3611] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 18964] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000}./strace-static-x86_64: Process 18969 attached [pid 3611] <... openat resumed>) = 3 [pid 3611] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 3611] close(3) = 0 [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18969] set_robust_list(0x7fe89d1609e0, 24) = 0 [pid 18969] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 18969] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3611] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18971 [pid 18969] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18966] <... futex resumed>) = 0 [pid 18966] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 18966] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18969] <... futex resumed>) = 1 [pid 18969] pipe2([3, 4], 0) = 0 ./strace-static-x86_64: Process 18971 attached [pid 18969] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 18970 attached [pid 18971] set_robust_list(0x55555697d6e0, 24 [pid 18969] <... futex resumed>) = 1 [pid 18966] <... futex resumed>) = 0 [pid 18971] <... set_robust_list resumed>) = 0 [pid 18970] set_robust_list(0x7fe89d1609e0, 24 [pid 18969] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18966] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 18968 attached ./strace-static-x86_64: Process 18967 attached [pid 18971] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18970] <... set_robust_list resumed>) = 0 [pid 18969] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18966] <... futex resumed>) = 0 [pid 18971] <... prctl resumed>) = 0 [pid 18970] mkdir("./file0", 0777 [pid 18969] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18968] set_robust_list(0x7fe89d1609e0, 24 [pid 18967] set_robust_list(0x7fe89d1609e0, 24 [pid 18966] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18970] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18970] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18970] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 18964] <... futex resumed>) = 0 [pid 18971] setpgid(0, 0 [pid 18970] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18968] <... set_robust_list resumed>) = 0 [pid 18967] <... set_robust_list resumed>) = 0 [pid 18964] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18971] <... setpgid resumed>) = 0 [pid 18970] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18964] <... futex resumed>) = 0 [pid 18970] pipe2( [pid 18964] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18970] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18970] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 18964] <... futex resumed>) = 0 [pid 18971] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18970] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18968] mkdir("./file0", 0777 [pid 18967] mkdir("./file0", 0777 [pid 18964] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18971] <... openat resumed>) = 3 [pid 18970] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18969] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18968] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18967] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18964] <... futex resumed>) = 0 [pid 18971] write(3, "1000", 4 [pid 18970] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18969] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18968] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18967] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18964] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18971] <... write resumed>) = 4 [pid 18969] <... futex resumed>) = 1 [pid 18968] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18967] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18966] <... futex resumed>) = 0 [pid 18971] close(3 [pid 18969] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18968] <... futex resumed>) = 1 [pid 18967] <... futex resumed>) = 1 [pid 18966] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18965] <... futex resumed>) = 0 [pid 18963] <... futex resumed>) = 0 [pid 18971] <... close resumed>) = 0 [pid 18969] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18968] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18967] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18966] <... futex resumed>) = 0 [pid 18965] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18963] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18971] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18969] write(4, NULL, 126976 [pid 18968] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18967] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18966] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18965] <... futex resumed>) = 0 [pid 18963] <... futex resumed>) = 0 [pid 18971] <... futex resumed>) = 0 [pid 18969] <... write resumed>) = -1 EFAULT (Bad address) [pid 18968] pipe2( [pid 18967] pipe2( [pid 18965] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18963] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18971] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18969] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18968] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18967] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18971] <... mmap resumed>) = 0x7fe89d140000 [pid 18969] <... futex resumed>) = 1 [pid 18968] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18967] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18966] <... futex resumed>) = 0 [pid 18971] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18969] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18968] <... futex resumed>) = 1 [pid 18967] <... futex resumed>) = 1 [pid 18966] exit_group(0 [pid 18965] <... futex resumed>) = 0 [pid 18963] <... futex resumed>) = 0 [pid 18971] <... mprotect resumed>) = 0 [pid 18969] <... futex resumed>) = ? [pid 18968] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18967] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18966] <... exit_group resumed>) = ? [pid 18965] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18963] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18971] 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 18969] +++ exited with 0 +++ [pid 18968] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18967] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18966] +++ exited with 0 +++ [pid 18965] <... futex resumed>) = 0 [pid 18963] <... futex resumed>) = 0 [pid 18968] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18967] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18965] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18963] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18971] <... clone resumed>, parent_tid=[18972], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18972 [pid 18971] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18966, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 18971] <... futex resumed>) = 0 [pid 3610] restart_syscall(<... resuming interrupted clone ...> [pid 18971] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 3610] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 18972 attached [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 [pid 18972] set_robust_list(0x7fe89d1609e0, 24 [pid 3610] <... close resumed>) = 0 [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18972] <... set_robust_list resumed>) = 0 [pid 18972] mkdir("./file0", 0777 [pid 3610] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18973 [pid 18972] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18972] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18972] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18971] <... futex resumed>) = 0 [pid 18971] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 18971] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18972] <... futex resumed>) = 1 [pid 18972] pipe2([3, 4], 0) = 0 [pid 18972] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 18971] <... futex resumed>) = 0 ./strace-static-x86_64: Process 18973 attached [pid 18972] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18971] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18973] set_robust_list(0x55555697d6e0, 24 [pid 18971] <... futex resumed>) = 0 [pid 18973] <... set_robust_list resumed>) = 0 [pid 18971] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18973] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18970] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18973] <... prctl resumed>) = 0 [pid 18973] setpgid(0, 0 [pid 18970] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18973] <... setpgid resumed>) = 0 [pid 18970] <... futex resumed>) = 1 [pid 18968] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18964] <... futex resumed>) = 0 [pid 18973] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18970] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18968] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18967] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18964] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18973] <... openat resumed>) = 3 [pid 18970] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18968] <... futex resumed>) = 1 [pid 18967] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18965] <... futex resumed>) = 0 [pid 18964] <... futex resumed>) = 0 [pid 18973] write(3, "1000", 4 [pid 18970] write(4, NULL, 126976 [pid 18968] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18967] <... futex resumed>) = 1 [pid 18965] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18964] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18963] <... futex resumed>) = 0 [pid 18973] <... write resumed>) = 4 [pid 18970] <... write resumed>) = -1 EFAULT (Bad address) [pid 18968] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18967] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18965] <... futex resumed>) = 0 [pid 18963] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18970] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18968] write(4, NULL, 126976 [pid 18967] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18965] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18973] close(3 [pid 18963] <... futex resumed>) = 0 [pid 18973] <... close resumed>) = 0 [pid 18970] <... futex resumed>) = 1 [pid 18968] <... write resumed>) = -1 EFAULT (Bad address) [pid 18967] write(4, NULL, 126976 [pid 18964] <... futex resumed>) = 0 [pid 18963] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18973] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18970] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18968] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18967] <... write resumed>) = -1 EFAULT (Bad address) [pid 18964] exit_group(0 [pid 18973] <... futex resumed>) = 0 [pid 18970] <... futex resumed>) = ? [pid 18968] <... futex resumed>) = 1 [pid 18967] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18965] <... futex resumed>) = 0 [pid 18964] <... exit_group resumed>) = ? [pid 18973] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18972] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18970] +++ exited with 0 +++ [pid 18968] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18967] <... futex resumed>) = 1 [pid 18965] exit_group(0 [pid 18963] <... futex resumed>) = 0 [pid 18973] <... mmap resumed>) = 0x7fe89d140000 [pid 18972] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18968] <... futex resumed>) = ? [pid 18967] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18965] <... exit_group resumed>) = ? [pid 18964] +++ exited with 0 +++ [pid 18963] exit_group(0 [pid 18973] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18972] <... futex resumed>) = 1 [pid 18971] <... futex resumed>) = 0 [pid 18968] +++ exited with 0 +++ [pid 18967] <... futex resumed>) = ? [pid 18965] +++ exited with 0 +++ [pid 18963] <... exit_group resumed>) = ? [pid 18973] <... mprotect resumed>) = 0 [pid 18972] write(4, NULL, 126976 [pid 18971] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18967] +++ exited with 0 +++ [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18964, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 18973] 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 18971] <... futex resumed>) = 0 [pid 18963] +++ exited with 0 +++ [pid 18972] <... write resumed>) = -1 EFAULT (Bad address) [pid 3613] restart_syscall(<... resuming interrupted clone ...> [pid 3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18965, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- ./strace-static-x86_64: Process 18974 attached [pid 18972] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18971] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3613] <... restart_syscall resumed>) = 0 [pid 3609] restart_syscall(<... resuming interrupted clone ...> [pid 18974] set_robust_list(0x7fe89d1609e0, 24 [pid 18973] <... clone resumed>, parent_tid=[18974], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18974 [pid 18972] <... futex resumed>) = 0 [pid 18971] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3612] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18963, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3609] <... restart_syscall resumed>) = 0 [pid 18974] <... set_robust_list resumed>) = 0 [pid 18973] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18972] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18971] exit_group(0 [pid 3612] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 18974] mkdir("./file0", 0777 [pid 18973] <... futex resumed>) = 0 [pid 18972] <... futex resumed>) = ? [pid 18971] <... exit_group resumed>) = ? [pid 3613] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 3612] <... openat resumed>) = 3 [pid 18973] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18972] +++ exited with 0 +++ [pid 3613] <... openat resumed>) = 3 [pid 3612] ioctl(3, LOOP_CLR_FD [pid 3609] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 18971] +++ exited with 0 +++ [pid 3613] ioctl(3, LOOP_CLR_FD [pid 3612] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3609] <... openat resumed>) = 3 [pid 18974] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3613] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3612] close(3 [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18971, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3609] ioctl(3, LOOP_CLR_FD [pid 3613] close(3 [pid 3612] <... close resumed>) = 0 [pid 3609] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18974] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3613] <... close resumed>) = 0 [pid 18974] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 18973] <... futex resumed>) = 0 [pid 18974] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18973] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18974] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18973] <... futex resumed>) = 0 [pid 18974] pipe2( [pid 18973] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18974] <... pipe2 resumed>[3, 4], 0) = 0 [pid 3612] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18974] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3609] close(3 [pid 18974] <... futex resumed>) = 1 [pid 18973] <... futex resumed>) = 0 [pid 18974] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18973] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18974] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18973] <... futex resumed>) = 0 [pid 3609] <... close resumed>) = 0 [pid 18974] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18973] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3612] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18975 [pid 3609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18976 attached ./strace-static-x86_64: Process 18975 attached [pid 3613] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18976 [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 18976] set_robust_list(0x55555697d6e0, 24 [pid 18975] set_robust_list(0x55555697d6e0, 24 [pid 3611] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18978 ./strace-static-x86_64: Process 18978 attached [pid 18978] set_robust_list(0x55555697d6e0, 24) = 0 [pid 18978] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18976] <... set_robust_list resumed>) = 0 [pid 18975] <... set_robust_list resumed>) = 0 [pid 18976] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18975] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3609] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18977 ./strace-static-x86_64: Process 18977 attached [pid 18978] <... prctl resumed>) = 0 [pid 18976] <... prctl resumed>) = 0 [pid 18975] <... prctl resumed>) = 0 [pid 18976] setpgid(0, 0 [pid 18975] setpgid(0, 0 [pid 18978] setpgid(0, 0 [pid 18976] <... setpgid resumed>) = 0 [pid 18975] <... setpgid resumed>) = 0 [pid 18976] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18975] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18976] <... openat resumed>) = 3 [pid 18975] <... openat resumed>) = 3 [pid 18976] write(3, "1000", 4 [pid 18975] write(3, "1000", 4 [pid 18974] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18976] <... write resumed>) = 4 [pid 18975] <... write resumed>) = 4 [pid 18974] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18976] close(3 [pid 18975] close(3 [pid 18974] <... futex resumed>) = 1 [pid 18973] <... futex resumed>) = 0 [pid 18976] <... close resumed>) = 0 [pid 18975] <... close resumed>) = 0 [pid 18974] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18973] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18976] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18975] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18974] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18973] <... futex resumed>) = 0 [pid 18976] <... futex resumed>) = 0 [pid 18975] <... futex resumed>) = 0 [pid 18974] write(4, NULL, 126976 [pid 18973] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18976] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18975] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18974] <... write resumed>) = -1 EFAULT (Bad address) [pid 18976] <... mmap resumed>) = 0x7fe89d140000 [pid 18975] <... mmap resumed>) = 0x7fe89d140000 [pid 18974] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18978] <... setpgid resumed>) = 0 [pid 18977] set_robust_list(0x55555697d6e0, 24 [pid 18976] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18975] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18974] <... futex resumed>) = 1 [pid 18973] <... futex resumed>) = 0 [pid 18976] <... mprotect resumed>) = 0 [pid 18975] <... mprotect resumed>) = 0 [pid 18974] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18973] exit_group(0 [pid 18978] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18977] <... set_robust_list resumed>) = 0 [pid 18976] 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 18975] 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 18973] <... exit_group resumed>) = ? [pid 18977] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18974] <... futex resumed>) = ? [pid 18976] <... clone resumed>, parent_tid=[18979], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18979 [pid 18975] <... clone resumed>, parent_tid=[18980], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18980 [pid 18976] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18975] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18976] <... futex resumed>) = 0 [pid 18975] <... futex resumed>) = 0 [pid 18976] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18975] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18974] +++ exited with 0 +++ [pid 18973] +++ exited with 0 +++ [pid 18977] <... prctl resumed>) = 0 [pid 18978] <... openat resumed>) = 3 [pid 18977] setpgid(0, 0 [pid 18978] write(3, "1000", 4 [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18973, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- ./strace-static-x86_64: Process 18979 attached [pid 18977] <... setpgid resumed>) = 0 [pid 3610] restart_syscall(<... resuming interrupted clone ...> [pid 18979] set_robust_list(0x7fe89d1609e0, 24 [pid 18978] <... write resumed>) = 4 [pid 3610] <... restart_syscall resumed>) = 0 [pid 18977] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18979] <... set_robust_list resumed>) = 0 [pid 18978] close(3 [pid 18979] mkdir("./file0", 0777 [pid 18978] <... close resumed>) = 0 [pid 18977] <... openat resumed>) = 3 [pid 18979] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18978] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18977] write(3, "1000", 4 [pid 3610] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 18979] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18978] <... futex resumed>) = 0 [pid 18977] <... write resumed>) = 4 [pid 3610] <... openat resumed>) = 3 ./strace-static-x86_64: Process 18980 attached [pid 18979] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18978] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18977] close(3 [pid 3610] ioctl(3, LOOP_CLR_FD [pid 18980] set_robust_list(0x7fe89d1609e0, 24 [pid 18979] <... futex resumed>) = 1 [pid 18978] <... mmap resumed>) = 0x7fe89d140000 [pid 18977] <... close resumed>) = 0 [pid 18976] <... futex resumed>) = 0 [pid 3610] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18980] <... set_robust_list resumed>) = 0 [pid 18979] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18978] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18977] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18976] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3610] close(3 [pid 18980] mkdir("./file0", 0777 [pid 18979] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18978] <... mprotect resumed>) = 0 [pid 18977] <... futex resumed>) = 0 [pid 18976] <... futex resumed>) = 0 [pid 3610] <... close resumed>) = 0 [pid 18980] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18979] pipe2( [pid 18976] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18978] 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 18977] 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 18980] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18979] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18977] <... mmap resumed>) = 0x7fe89d140000 ./strace-static-x86_64: Process 18981 attached [pid 18980] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18979] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18978] <... clone resumed>, parent_tid=[18981], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18981 [pid 18977] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 18982 attached [pid 18981] set_robust_list(0x7fe89d1609e0, 24 [pid 18980] <... futex resumed>) = 1 [pid 18979] <... futex resumed>) = 1 [pid 18978] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18977] <... mprotect resumed>) = 0 [pid 18976] <... futex resumed>) = 0 [pid 18975] <... futex resumed>) = 0 [pid 3610] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18982 [pid 18982] set_robust_list(0x55555697d6e0, 24 [pid 18981] <... set_robust_list resumed>) = 0 [pid 18980] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18979] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18978] <... futex resumed>) = 0 [pid 18977] 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 18976] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18975] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18982] <... set_robust_list resumed>) = 0 [pid 18981] mkdir("./file0", 0777 [pid 18980] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18979] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18978] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18976] <... futex resumed>) = 0 [pid 18975] <... futex resumed>) = 0 [pid 18982] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18981] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18980] pipe2( [pid 18979] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18977] <... clone resumed>, parent_tid=[18983], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18983 [pid 18976] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18975] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 18983 attached [pid 18982] <... prctl resumed>) = 0 [pid 18981] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18980] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18977] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18983] set_robust_list(0x7fe89d1609e0, 24 [pid 18977] <... futex resumed>) = 0 [pid 18983] <... set_robust_list resumed>) = 0 [pid 18981] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18980] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18977] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18983] mkdir("./file0", 0777 [pid 18981] <... futex resumed>) = 1 [pid 18980] <... futex resumed>) = 1 [pid 18978] <... futex resumed>) = 0 [pid 18975] <... futex resumed>) = 0 [pid 18983] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18982] setpgid(0, 0 [pid 18981] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18980] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18978] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18975] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18983] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18982] <... setpgid resumed>) = 0 [pid 18981] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18980] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18979] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18978] <... futex resumed>) = 0 [pid 18975] <... futex resumed>) = 0 [pid 18983] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18982] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18981] pipe2( [pid 18980] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18979] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18975] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18983] <... futex resumed>) = 1 [pid 18982] <... openat resumed>) = 3 [pid 18981] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18978] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18977] <... futex resumed>) = 0 [pid 18983] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18977] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18983] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18982] write(3, "1000", 4 [pid 18981] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18977] <... futex resumed>) = 0 [pid 18983] pipe2( [pid 18977] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18983] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18981] <... futex resumed>) = 1 [pid 18982] <... write resumed>) = 4 [pid 18978] <... futex resumed>) = 0 [pid 18983] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18982] close(3 [pid 18981] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18979] <... futex resumed>) = 1 [pid 18978] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18976] <... futex resumed>) = 0 [pid 18983] <... futex resumed>) = 1 [pid 18982] <... close resumed>) = 0 [pid 18981] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18979] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18978] <... futex resumed>) = 0 [pid 18977] <... futex resumed>) = 0 [pid 18976] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18983] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18982] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18981] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18979] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18978] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18977] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18976] <... futex resumed>) = 0 [pid 18983] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18982] <... futex resumed>) = 0 [pid 18980] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18977] <... futex resumed>) = 0 [pid 18983] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18979] write(4, NULL, 126976 [pid 18977] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18976] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18982] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe89d140000 [pid 18981] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18980] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18979] <... write resumed>) = -1 EFAULT (Bad address) [pid 18982] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18981] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18980] <... futex resumed>) = 1 [pid 18979] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18975] <... futex resumed>) = 0 [pid 18982] <... mprotect resumed>) = 0 [pid 18979] <... futex resumed>) = 1 [pid 18976] <... futex resumed>) = 0 [pid 18975] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18981] <... futex resumed>) = 1 [pid 18980] write(4, NULL, 126976 [pid 18978] <... futex resumed>) = 0 [pid 18982] 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 18981] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18980] <... write resumed>) = -1 EFAULT (Bad address) [pid 18979] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18978] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18976] exit_group(0 [pid 18975] <... futex resumed>) = 0 ./strace-static-x86_64: Process 18984 attached [pid 18983] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18981] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18980] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18979] <... futex resumed>) = ? [pid 18978] <... futex resumed>) = 0 [pid 18976] <... exit_group resumed>) = ? [pid 18975] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18984] set_robust_list(0x7fe89d1609e0, 24 [pid 18983] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18982] <... clone resumed>, parent_tid=[18984], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18984 [pid 18981] write(4, NULL, 126976 [pid 18980] <... futex resumed>) = 0 [pid 18979] +++ exited with 0 +++ [pid 18978] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18983] <... futex resumed>) = 1 [pid 18977] <... futex resumed>) = 0 [pid 18984] <... set_robust_list resumed>) = 0 [pid 18983] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18982] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18981] <... write resumed>) = -1 EFAULT (Bad address) [pid 18980] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18977] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18976] +++ exited with 0 +++ [pid 18975] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18984] mkdir("./file0", 0777 [pid 18983] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18982] <... futex resumed>) = 0 [pid 18981] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18977] <... futex resumed>) = 0 [pid 18975] exit_group(0 [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18976, si_uid=0, si_status=0, si_utime=2, si_stime=1} --- [pid 18984] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18983] write(4, NULL, 126976 [pid 18982] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18981] <... futex resumed>) = 1 [pid 18980] <... futex resumed>) = ? [pid 18978] <... futex resumed>) = 0 [pid 18977] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18975] <... exit_group resumed>) = ? [pid 3613] restart_syscall(<... resuming interrupted clone ...> [pid 18984] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18983] <... write resumed>) = -1 EFAULT (Bad address) [pid 18978] exit_group(0 [pid 3613] <... restart_syscall resumed>) = 0 [pid 18983] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18978] <... exit_group resumed>) = ? [pid 18983] <... futex resumed>) = 1 [pid 18977] <... futex resumed>) = 0 [pid 18983] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18980] +++ exited with 0 +++ [pid 18977] exit_group(0 [pid 18975] +++ exited with 0 +++ [pid 3613] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 18984] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18983] <... futex resumed>) = ? [pid 18977] <... exit_group resumed>) = ? [pid 3613] <... openat resumed>) = 3 [pid 3612] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18975, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18984] <... futex resumed>) = 1 [pid 18983] +++ exited with 0 +++ [pid 18982] <... futex resumed>) = 0 [pid 18981] +++ exited with 0 +++ [pid 18978] +++ exited with 0 +++ [pid 18977] +++ exited with 0 +++ [pid 3613] ioctl(3, LOOP_CLR_FD [pid 3612] restart_syscall(<... resuming interrupted clone ...> [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18978, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18984] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18982] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3613] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3612] <... restart_syscall resumed>) = 0 [pid 3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18977, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18984] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18982] <... futex resumed>) = 0 [pid 3613] close(3 [pid 18984] pipe2( [pid 18982] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3613] <... close resumed>) = 0 [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3612] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3611] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 18984] <... pipe2 resumed>[3, 4], 0) = 0 [pid 3612] <... openat resumed>) = 3 [pid 3611] <... openat resumed>) = 3 [pid 18984] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3613] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18985 [pid 3612] ioctl(3, LOOP_CLR_FD [pid 3611] ioctl(3, LOOP_CLR_FD [pid 18984] <... futex resumed>) = 1 [pid 18982] <... 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 18984] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18982] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3612] close(3 [pid 3611] close(3 [pid 18982] <... futex resumed>) = 0 [pid 3612] <... close resumed>) = 0 [pid 3611] <... close resumed>) = 0 [pid 18982] 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 [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3609] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 3612] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18986 [pid 3611] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18987 [pid 3609] <... openat resumed>) = 3 ./strace-static-x86_64: Process 18987 attached [pid 18987] set_robust_list(0x55555697d6e0, 24./strace-static-x86_64: Process 18986 attached [pid 18986] set_robust_list(0x55555697d6e0, 24 [pid 18987] <... set_robust_list resumed>) = 0 [pid 18987] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18986] <... set_robust_list resumed>) = 0 [pid 18987] <... prctl resumed>) = 0 [pid 18986] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3609] ioctl(3, LOOP_CLR_FD [pid 18987] setpgid(0, 0 [pid 18986] <... prctl resumed>) = 0 [pid 3609] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18987] <... setpgid resumed>) = 0 [pid 18986] setpgid(0, 0 [pid 3609] close(3./strace-static-x86_64: Process 18985 attached [pid 18987] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18986] <... setpgid resumed>) = 0 [pid 3609] <... close resumed>) = 0 [pid 18987] <... openat resumed>) = 3 [pid 18986] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18984] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18985] set_robust_list(0x55555697d6e0, 24 [pid 3609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18987] write(3, "1000", 4 [pid 18986] <... openat resumed>) = 3 [pid 18984] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18987] <... write resumed>) = 4 [pid 18986] write(3, "1000", 4 [pid 18985] <... set_robust_list resumed>) = 0 [pid 18984] <... futex resumed>) = 1 [pid 18982] <... futex resumed>) = 0 [pid 18987] close(3 [pid 18986] <... write resumed>) = 4 [pid 18985] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18984] write(4, NULL, 126976 [pid 18982] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3609] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18988 [pid 18987] <... close resumed>) = 0 [pid 18986] close(3 [pid 18985] <... prctl resumed>) = 0 [pid 18984] <... write resumed>) = -1 EFAULT (Bad address) [pid 18982] <... futex resumed>) = 0 ./strace-static-x86_64: Process 18988 attached [pid 18987] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18986] <... close resumed>) = 0 [pid 18985] setpgid(0, 0 [pid 18984] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18982] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18988] set_robust_list(0x55555697d6e0, 24 [pid 18987] <... futex resumed>) = 0 [pid 18986] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18985] <... setpgid resumed>) = 0 [pid 18984] <... futex resumed>) = 0 [pid 18982] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18988] <... set_robust_list resumed>) = 0 [pid 18987] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18986] <... futex resumed>) = 0 [pid 18985] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18984] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18982] exit_group(0 [pid 18988] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18987] <... mmap resumed>) = 0x7fe89d140000 [pid 18986] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18985] <... openat resumed>) = 3 [pid 18982] <... exit_group resumed>) = ? [pid 18988] <... prctl resumed>) = 0 [pid 18987] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18986] <... mmap resumed>) = 0x7fe89d140000 [pid 18985] write(3, "1000", 4 [pid 18984] <... futex resumed>) = ? [pid 18988] setpgid(0, 0 [pid 18987] <... mprotect resumed>) = 0 [pid 18986] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18985] <... write resumed>) = 4 [pid 18988] <... setpgid resumed>) = 0 [pid 18987] 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 18986] <... mprotect resumed>) = 0 [pid 18985] close(3 [pid 18984] +++ exited with 0 +++ [pid 18982] +++ exited with 0 +++ [pid 18988] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18986] 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 18987] <... clone resumed>, parent_tid=[18989], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18989 [pid 18987] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18986] <... clone resumed>, parent_tid=[18990], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18990 [pid 18987] <... futex resumed>) = 0 [pid 18986] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18985] <... close resumed>) = 0 [pid 18988] <... openat resumed>) = 3 [pid 18988] write(3, "1000", 4 [pid 18987] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18986] <... futex resumed>) = 0 [pid 18985] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18982, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18988] <... write resumed>) = 4 [pid 18986] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18985] <... futex resumed>) = 0 ./strace-static-x86_64: Process 18990 attached [pid 18990] set_robust_list(0x7fe89d1609e0, 24) = 0 [pid 18990] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 18990] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18985] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3610] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 18988] close(3 [pid 18990] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18985] <... mmap resumed>) = 0x7fe89d140000 [pid 18990] <... futex resumed>) = 1 [pid 18988] <... close resumed>) = 0 [pid 18986] <... futex resumed>) = 0 [pid 18985] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 3610] <... openat resumed>) = 3 ./strace-static-x86_64: Process 18989 attached [pid 18990] pipe2( [pid 18988] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18986] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18985] <... mprotect resumed>) = 0 [pid 3610] ioctl(3, LOOP_CLR_FD [pid 18990] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18989] set_robust_list(0x7fe89d1609e0, 24 [pid 18988] <... futex resumed>) = 0 [pid 18986] <... futex resumed>) = 0 [pid 18985] 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] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18990] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18989] <... set_robust_list resumed>) = 0 [pid 18988] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18986] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3610] close(3 [pid 18990] <... futex resumed>) = 0 [pid 18989] mkdir("./file0", 0777 [pid 18988] <... mmap resumed>) = 0x7fe89d140000 [pid 18986] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18985] <... clone resumed>, parent_tid=[18991], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18991 [pid 3610] <... close resumed>) = 0 [pid 18990] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18989] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18988] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18986] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18985] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18990] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18989] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18988] <... mprotect resumed>) = 0 [pid 18986] <... futex resumed>) = 0 [pid 18985] <... futex resumed>) = 0 [pid 18990] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18986] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18988] 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 18985] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000}./strace-static-x86_64: Process 18993 attached ./strace-static-x86_64: Process 18992 attached ./strace-static-x86_64: Process 18991 attached [pid 18989] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3610] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18992 [pid 18993] set_robust_list(0x7fe89d1609e0, 24) = 0 [pid 18993] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18991] set_robust_list(0x7fe89d1609e0, 24 [pid 18990] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18989] <... futex resumed>) = 1 [pid 18988] <... clone resumed>, parent_tid=[18993], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18993 [pid 18987] <... futex resumed>) = 0 [pid 18992] set_robust_list(0x55555697d6e0, 24 [pid 18991] <... set_robust_list resumed>) = 0 [pid 18990] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18989] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18988] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18987] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18993] <... futex resumed>) = 0 [pid 18992] <... set_robust_list resumed>) = 0 [pid 18991] mkdir("./file0", 0777 [pid 18990] <... futex resumed>) = 1 [pid 18989] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18988] <... futex resumed>) = 1 [pid 18987] <... futex resumed>) = 0 [pid 18986] <... futex resumed>) = 0 [pid 18993] mkdir("./file0", 0777 [pid 18992] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18991] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18990] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18989] pipe2( [pid 18988] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18987] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18986] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18993] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18992] <... prctl resumed>) = 0 [pid 18991] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18990] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18989] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18986] <... futex resumed>) = 0 [pid 18993] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18992] setpgid(0, 0 [pid 18991] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18990] write(4, NULL, 126976 [pid 18989] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18986] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18993] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18992] <... setpgid resumed>) = 0 [pid 18991] <... futex resumed>) = 1 [pid 18990] <... write resumed>) = -1 EFAULT (Bad address) [pid 18989] <... futex resumed>) = 1 [pid 18987] <... futex resumed>) = 0 [pid 18985] <... futex resumed>) = 0 [pid 18993] <... futex resumed>) = 1 [pid 18992] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18991] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18990] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18989] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18988] <... futex resumed>) = 0 [pid 18987] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18985] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18993] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18992] <... openat resumed>) = 3 [pid 18991] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18990] <... futex resumed>) = 1 [pid 18989] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18988] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18987] <... futex resumed>) = 0 [pid 18986] <... futex resumed>) = 0 [pid 18985] <... futex resumed>) = 0 [pid 18993] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18992] write(3, "1000", 4 [pid 18991] pipe2( [pid 18990] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18989] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18988] <... futex resumed>) = 0 [pid 18987] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18986] exit_group(0 [pid 18985] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18993] pipe2( [pid 18992] <... write resumed>) = 4 [pid 18991] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18990] <... futex resumed>) = ? [pid 18988] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18986] <... exit_group resumed>) = ? [pid 18993] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18992] close(3 [pid 18991] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18990] +++ exited with 0 +++ [pid 18986] +++ exited with 0 +++ [pid 18993] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18992] <... close resumed>) = 0 [pid 18991] <... futex resumed>) = 1 [pid 18985] <... futex resumed>) = 0 [pid 18993] <... futex resumed>) = 1 [pid 18992] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18991] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18988] <... futex resumed>) = 0 [pid 18985] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3612] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18986, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18993] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18992] <... futex resumed>) = 0 [pid 18991] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18988] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18985] <... futex resumed>) = 0 [pid 3612] restart_syscall(<... resuming interrupted clone ...> [pid 18993] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18988] <... futex resumed>) = 0 [pid 3612] <... restart_syscall resumed>) = 0 [pid 18993] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18988] 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) = -1 ENXIO (No such device or address) [pid 3612] close(3 [pid 18985] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3612] <... close resumed>) = 0 [pid 18992] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18991] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 3612] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18992] <... mmap resumed>) = 0x7fe89d140000 [pid 18989] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18992] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 3612] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18994 [pid 18992] <... mprotect resumed>) = 0 [pid 18989] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18992] 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 18989] <... futex resumed>) = 1 [pid 18987] <... futex resumed>) = 0 [pid 18987] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 18994 attached [pid 18989] write(4, NULL, 126976 [pid 18987] <... futex resumed>) = 0 ./strace-static-x86_64: Process 18995 attached [pid 18992] <... clone resumed>, parent_tid=[18995], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18995 [pid 18989] <... write resumed>) = -1 EFAULT (Bad address) [pid 18987] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18995] set_robust_list(0x7fe89d1609e0, 24 [pid 18992] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18989] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18987] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18995] <... set_robust_list resumed>) = 0 [pid 18993] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18992] <... futex resumed>) = 0 [pid 18989] <... futex resumed>) = 0 [pid 18987] exit_group(0 [pid 18995] mkdir("./file0", 0777 [pid 18993] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18992] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18991] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18987] <... exit_group resumed>) = ? [pid 18995] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18994] set_robust_list(0x55555697d6e0, 24 [pid 18993] <... futex resumed>) = 1 [pid 18991] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18989] +++ exited with 0 +++ [pid 18988] <... futex resumed>) = 0 [pid 18995] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18994] <... set_robust_list resumed>) = 0 [pid 18993] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18991] <... futex resumed>) = 1 [pid 18988] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18987] +++ exited with 0 +++ [pid 18985] <... futex resumed>) = 0 [pid 18995] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18993] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18991] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18988] <... futex resumed>) = 0 [pid 18985] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18987, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 18995] <... futex resumed>) = 1 [pid 18994] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18993] write(4, NULL, 126976 [pid 18992] <... futex resumed>) = 0 [pid 18991] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18988] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18985] <... futex resumed>) = 0 [pid 3611] restart_syscall(<... resuming interrupted clone ...> [pid 18995] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18994] <... prctl resumed>) = 0 [pid 18993] <... write resumed>) = -1 EFAULT (Bad address) [pid 18992] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18991] write(4, NULL, 126976 [pid 18985] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3611] <... restart_syscall resumed>) = 0 [pid 18995] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18992] <... futex resumed>) = 0 [pid 18995] pipe2( [pid 18992] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18994] setpgid(0, 0 [pid 18993] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18991] <... write resumed>) = -1 EFAULT (Bad address) [pid 18995] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18995] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18991] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18995] <... futex resumed>) = 1 [pid 18994] <... setpgid resumed>) = 0 [pid 18993] <... futex resumed>) = 1 [pid 18992] <... futex resumed>) = 0 [pid 18991] <... futex resumed>) = 1 [pid 18988] <... futex resumed>) = 0 [pid 18985] <... futex resumed>) = 0 [pid 18995] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18993] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18992] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18991] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18988] exit_group(0 [pid 18985] exit_group(0 [pid 3611] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 18995] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18994] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18993] <... futex resumed>) = ? [pid 18992] <... futex resumed>) = 0 [pid 18991] <... futex resumed>) = ? [pid 18988] <... exit_group resumed>) = ? [pid 18985] <... exit_group resumed>) = ? [pid 18995] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18993] +++ exited with 0 +++ [pid 18992] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18991] +++ exited with 0 +++ [pid 18988] +++ exited with 0 +++ [pid 18985] +++ exited with 0 +++ [pid 3611] <... openat resumed>) = 3 [pid 18994] <... openat resumed>) = 3 [pid 3611] ioctl(3, LOOP_CLR_FD [pid 18994] write(3, "1000", 4 [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18985, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3611] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18988, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 18994] <... write resumed>) = 4 [pid 3613] restart_syscall(<... resuming interrupted clone ...> [pid 3611] close(3 [pid 18994] close(3 [pid 3613] <... restart_syscall resumed>) = 0 [pid 3611] <... close resumed>) = 0 [pid 18994] <... close resumed>) = 0 [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18994] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3613] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 3611] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18996 [pid 18994] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3613] <... openat resumed>) = 3 [pid 3609] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 18994] <... mmap resumed>) = 0x7fe89d140000 [pid 3613] ioctl(3, LOOP_CLR_FD [pid 18994] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 3613] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 18994] <... mprotect resumed>) = 0 [pid 3613] close(3 [pid 18994] 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 resumed>) = 0 [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 18994] <... clone resumed>, parent_tid=[18997], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 18997 [pid 3609] <... openat resumed>) = 3 [pid 18994] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3613] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18998 [pid 3609] ioctl(3, LOOP_CLR_FD [pid 18994] <... futex resumed>) = 0 [pid 18994] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 3609] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3609] close(3) = 0 [pid 3609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 18997 attached [pid 18997] set_robust_list(0x7fe89d1609e0, 24) = 0 [pid 18995] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18997] mkdir("./file0", 0777 [pid 18995] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3609] <... clone resumed>, child_tidptr=0x55555697d6d0) = 18999 ./strace-static-x86_64: Process 18998 attached ./strace-static-x86_64: Process 18999 attached [pid 18997] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18995] <... futex resumed>) = 1 [pid 18992] <... futex resumed>) = 0 ./strace-static-x86_64: Process 18996 attached [pid 18999] set_robust_list(0x55555697d6e0, 24 [pid 18998] set_robust_list(0x55555697d6e0, 24 [pid 18997] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18995] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18992] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18999] <... set_robust_list resumed>) = 0 [pid 18998] <... set_robust_list resumed>) = 0 [pid 18997] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18996] set_robust_list(0x55555697d6e0, 24 [pid 18995] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18992] <... futex resumed>) = 0 [pid 18999] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18998] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18997] <... futex resumed>) = 1 [pid 18996] <... set_robust_list resumed>) = 0 [pid 18995] write(4, NULL, 126976 [pid 18994] <... futex resumed>) = 0 [pid 18992] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18999] <... prctl resumed>) = 0 [pid 18998] <... prctl resumed>) = 0 [pid 18997] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18996] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 18995] <... write resumed>) = -1 EFAULT (Bad address) [pid 18994] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18997] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18994] <... futex resumed>) = 0 [pid 18999] setpgid(0, 0 [pid 18998] setpgid(0, 0 [pid 18997] pipe2( [pid 18995] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18994] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18999] <... setpgid resumed>) = 0 [pid 18998] <... setpgid resumed>) = 0 [pid 18997] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18996] <... prctl resumed>) = 0 [pid 18995] <... futex resumed>) = 1 [pid 18992] <... futex resumed>) = 0 [pid 18999] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18998] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18997] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18996] setpgid(0, 0 [pid 18995] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18992] exit_group(0 [pid 18999] <... openat resumed>) = 3 [pid 18998] <... openat resumed>) = 3 [pid 18997] <... futex resumed>) = 1 [pid 18996] <... setpgid resumed>) = 0 [pid 18995] <... futex resumed>) = ? [pid 18994] <... futex resumed>) = 0 [pid 18992] <... exit_group resumed>) = ? [pid 18999] write(3, "1000", 4 [pid 18998] write(3, "1000", 4 [pid 18997] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18996] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 18995] +++ exited with 0 +++ [pid 18994] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18999] <... write resumed>) = 4 [pid 18998] <... write resumed>) = 4 [pid 18997] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18996] <... openat resumed>) = 3 [pid 18994] <... futex resumed>) = 0 [pid 18992] +++ exited with 0 +++ [pid 18999] close(3 [pid 18998] close(3 [pid 18997] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18996] write(3, "1000", 4 [pid 18994] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18999] <... close resumed>) = 0 [pid 18998] <... close resumed>) = 0 [pid 18997] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18996] <... write resumed>) = 4 [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18992, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 18999] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18998] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18997] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18996] close(3 [pid 3610] restart_syscall(<... resuming interrupted clone ...> [pid 18999] <... futex resumed>) = 0 [pid 18998] <... futex resumed>) = 0 [pid 18997] <... futex resumed>) = 1 [pid 18996] <... close resumed>) = 0 [pid 18994] <... futex resumed>) = 0 [pid 3610] <... restart_syscall resumed>) = 0 [pid 18999] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18998] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18997] write(4, NULL, 126976 [pid 18996] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18994] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18999] <... mmap resumed>) = 0x7fe89d140000 [pid 18998] <... mmap resumed>) = 0x7fe89d140000 [pid 18997] <... write resumed>) = -1 EFAULT (Bad address) [pid 18996] <... futex resumed>) = 0 [pid 18994] <... futex resumed>) = 0 [pid 18999] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18998] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18997] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18996] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 18994] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3610] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 18999] <... mprotect resumed>) = 0 [pid 18998] <... mprotect resumed>) = 0 [pid 18997] <... futex resumed>) = 0 [pid 18996] <... mmap resumed>) = 0x7fe89d140000 [pid 18994] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3610] <... openat resumed>) = 3 [pid 18999] 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 18998] 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 18997] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18996] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 18994] exit_group(0 [pid 3610] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 19000 attached [pid 18997] <... futex resumed>) = ? [pid 18996] <... mprotect resumed>) = 0 [pid 18994] <... exit_group resumed>) = ? [pid 3610] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 19000] set_robust_list(0x7fe89d1609e0, 24 [pid 18999] <... clone resumed>, parent_tid=[19000], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 19000 [pid 18998] <... clone resumed>, parent_tid=[19001], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 19001 [pid 18997] +++ exited with 0 +++ [pid 18996] 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 18994] +++ exited with 0 +++ [pid 3610] close(3./strace-static-x86_64: Process 19002 attached [pid 19000] <... set_robust_list resumed>) = 0 [pid 18999] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18998] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3612] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18994, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3610] <... close resumed>) = 0 [pid 19002] set_robust_list(0x7fe89d1609e0, 24 [pid 19000] mkdir("./file0", 0777 [pid 18999] <... futex resumed>) = 0 [pid 18998] <... futex resumed>) = 0 [pid 18996] <... clone resumed>, parent_tid=[19002], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 19002 [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19003 attached [pid 19002] <... set_robust_list resumed>) = 0 [pid 19000] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 18999] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18998] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 18996] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19003] set_robust_list(0x55555697d6e0, 24 [pid 19002] mkdir("./file0", 0777 [pid 19000] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 18996] <... futex resumed>) = 0 [pid 3610] <... clone resumed>, child_tidptr=0x55555697d6d0) = 19003 ./strace-static-x86_64: Process 19001 attached [pid 19003] <... set_robust_list resumed>) = 0 [pid 19002] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 19000] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18996] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 19003] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 19002] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 19001] set_robust_list(0x7fe89d1609e0, 24 [pid 19000] <... futex resumed>) = 1 [pid 18999] <... futex resumed>) = 0 [pid 3612] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 19003] <... prctl resumed>) = 0 [pid 19002] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19001] <... set_robust_list resumed>) = 0 [pid 19000] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18999] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3612] <... openat resumed>) = 3 [pid 19003] setpgid(0, 0 [pid 19002] <... futex resumed>) = 1 [pid 19001] mkdir("./file0", 0777 [pid 19000] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18999] <... futex resumed>) = 0 [pid 18996] <... futex resumed>) = 0 [pid 3612] ioctl(3, LOOP_CLR_FD [pid 19003] <... setpgid resumed>) = 0 [pid 19002] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19001] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 19000] pipe2( [pid 18999] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18996] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3612] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 19003] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 19002] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19001] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 19000] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18996] <... futex resumed>) = 0 [pid 3612] close(3 [pid 19003] <... openat resumed>) = 3 [pid 19002] pipe2( [pid 19001] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19000] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18996] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3612] <... close resumed>) = 0 [pid 19003] write(3, "1000", 4 [pid 19002] <... pipe2 resumed>[3, 4], 0) = 0 [pid 19001] <... futex resumed>) = 1 [pid 19000] <... futex resumed>) = 1 [pid 18999] <... futex resumed>) = 0 [pid 18998] <... futex resumed>) = 0 [pid 3612] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 19003] <... write resumed>) = 4 [pid 19002] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19001] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19000] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18999] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18998] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19003] close(3 [pid 19002] <... futex resumed>) = 1 [pid 19001] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19000] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 18999] <... futex resumed>) = 0 [pid 18998] <... futex resumed>) = 0 [pid 18996] <... futex resumed>) = 0 [pid 19003] <... close resumed>) = 0 [pid 19002] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19001] pipe2( [pid 19000] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18999] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18998] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18996] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3612] <... clone resumed>, child_tidptr=0x55555697d6d0) = 19004 [pid 19003] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19002] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19001] <... pipe2 resumed>[3, 4], 0) = 0 [pid 18996] <... futex resumed>) = 0 [pid 18996] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19002] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,"./strace-static-x86_64: Process 19004 attached [pid 19004] set_robust_list(0x55555697d6e0, 24) = 0 [pid 19004] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 19004] setpgid(0, 0) = 0 [pid 19004] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 19004] write(3, "1000", 4) = 4 [pid 19004] close(3) = 0 [pid 19004] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 19004] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe89d140000 [pid 19004] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 19004] 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=[19005], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 19005 [pid 19004] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19003] <... futex resumed>) = 0 [pid 19001] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19004] <... futex resumed>) = 0 [pid 19003] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 19001] <... futex resumed>) = 1 [pid 19000] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18998] <... futex resumed>) = 0 [pid 19004] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 19001] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 18998] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19003] <... mmap resumed>) = 0x7fe89d140000 [pid 19000] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18998] <... futex resumed>) = 0 [pid 19003] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 19000] <... futex resumed>) = 1 [pid 18999] <... futex resumed>) = 0 [pid 18998] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19003] <... mprotect resumed>) = 0 [pid 19002] <... mount resumed>) = -1 EFAULT (Bad address) [pid 19000] write(4, NULL, 126976 [pid 18999] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 19005 attached [pid 19003] 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 19000] <... write resumed>) = -1 EFAULT (Bad address) [pid 18999] <... futex resumed>) = 0 [pid 19005] set_robust_list(0x7fe89d1609e0, 24 [pid 19000] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18999] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19005] <... set_robust_list resumed>) = 0 [pid 19005] mkdir("./file0", 0777 [pid 19003] <... clone resumed>, parent_tid=[19006], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 19006 [pid 19000] <... futex resumed>) = 0 [pid 18999] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19005] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 19003] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19002] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19000] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18999] exit_group(0 [pid 19005] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 19003] <... futex resumed>) = 0 [pid 19002] <... futex resumed>) = 1 [pid 19000] <... futex resumed>) = ? [pid 18999] <... exit_group resumed>) = ? [pid 18996] <... futex resumed>) = 0 ./strace-static-x86_64: Process 19006 attached [pid 19005] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19003] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 19002] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18996] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19006] set_robust_list(0x7fe89d1609e0, 24 [pid 19005] <... futex resumed>) = 1 [pid 19004] <... futex resumed>) = 0 [pid 19002] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19000] +++ exited with 0 +++ [pid 18999] +++ exited with 0 +++ [pid 18996] <... futex resumed>) = 0 [pid 19006] <... set_robust_list resumed>) = 0 [pid 19005] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19004] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19002] write(4, NULL, 126976 [pid 19001] <... mount resumed>) = -1 EFAULT (Bad address) [pid 18996] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18999, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 19006] mkdir("./file0", 0777 [pid 19005] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19004] <... futex resumed>) = 0 [pid 19002] <... write resumed>) = -1 EFAULT (Bad address) [pid 19001] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19006] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 19005] pipe2( [pid 19004] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19002] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19001] <... futex resumed>) = 1 [pid 18998] <... futex resumed>) = 0 [pid 19006] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 19005] <... pipe2 resumed>[3, 4], 0) = 0 [pid 19002] <... futex resumed>) = 1 [pid 18998] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 18996] <... futex resumed>) = 0 [pid 19006] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19005] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19002] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18998] <... futex resumed>) = 0 [pid 18996] exit_group(0 [pid 19006] <... futex resumed>) = 1 [pid 19005] <... futex resumed>) = 1 [pid 19004] <... futex resumed>) = 0 [pid 19003] <... futex resumed>) = 0 [pid 19002] <... futex resumed>) = ? [pid 19001] write(4, NULL, 126976 [pid 18998] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 18996] <... exit_group resumed>) = ? [pid 19006] pipe2( [pid 19005] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19004] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19003] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19002] +++ exited with 0 +++ [pid 19001] <... write resumed>) = -1 EFAULT (Bad address) [pid 19006] <... pipe2 resumed>[3, 4], 0) = 0 [pid 19005] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19004] <... futex resumed>) = 0 [pid 19003] <... futex resumed>) = 0 [pid 19001] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 18996] +++ exited with 0 +++ [pid 3609] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 19006] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19005] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 19004] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19003] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19001] <... futex resumed>) = 1 [pid 18998] <... futex resumed>) = 0 [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18996, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3609] <... openat resumed>) = 3 [pid 19006] <... futex resumed>) = 0 [pid 19003] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19001] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 18998] exit_group(0 [pid 3609] ioctl(3, LOOP_CLR_FD [pid 19001] <... futex resumed>) = ? [pid 18998] <... exit_group resumed>) = ? [pid 19001] +++ exited with 0 +++ [pid 18998] +++ exited with 0 +++ [pid 19006] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 19003] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18998, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 19005] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3609] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 19003] <... futex resumed>) = 0 [pid 3609] close(3 [pid 19005] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19003] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19005] <... futex resumed>) = 1 [pid 19004] <... futex resumed>) = 0 [pid 3613] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 3609] <... close resumed>) = 0 [pid 19005] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19004] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3613] <... openat resumed>) = 3 [pid 3611] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 3609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 19005] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19004] <... futex resumed>) = 0 [pid 3613] ioctl(3, LOOP_CLR_FD [pid 19005] write(4, NULL, 126976 [pid 3611] <... openat resumed>) = 3 [pid 19005] <... write resumed>) = -1 EFAULT (Bad address) [pid 19005] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19004] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3611] ioctl(3, LOOP_CLR_FD [pid 19005] <... futex resumed>) = 0 [pid 19004] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3613] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3611] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 19006] <... mount resumed>) = -1 EFAULT (Bad address) [pid 19005] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19004] exit_group(0 [pid 3613] close(3 [pid 3611] close(3 [pid 3609] <... clone resumed>, child_tidptr=0x55555697d6d0) = 19007 [pid 19006] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19005] <... futex resumed>) = ? [pid 19004] <... exit_group resumed>) = ? [pid 3613] <... close resumed>) = 0 [pid 3611] <... close resumed>) = 0 [pid 19005] +++ exited with 0 +++ ./strace-static-x86_64: Process 19007 attached [pid 19004] +++ exited with 0 +++ [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3612] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19004, 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 19007] set_robust_list(0x55555697d6e0, 24 [pid 19003] <... futex resumed>) = 0 [pid 3612] restart_syscall(<... resuming interrupted clone ...> [pid 19007] <... set_robust_list resumed>) = 0 [pid 3612] <... restart_syscall resumed>) = 0 [pid 19007] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 19006] <... futex resumed>) = 1 [pid 19003] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3613] <... clone resumed>, child_tidptr=0x55555697d6d0) = 19008 [pid 19007] <... prctl resumed>) = 0 [pid 19006] write(4, NULL, 126976 [pid 19003] <... futex resumed>) = 0 [pid 3611] <... clone resumed>, child_tidptr=0x55555697d6d0) = 19009 [pid 19007] setpgid(0, 0 [pid 19006] <... write resumed>) = -1 EFAULT (Bad address) [pid 19003] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3612] openat(AT_FDCWD, "/dev/loop3", O_RDWR./strace-static-x86_64: Process 19009 attached ./strace-static-x86_64: Process 19008 attached [pid 19007] <... setpgid resumed>) = 0 [pid 19006] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19003] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3612] <... openat resumed>) = 3 [pid 19009] set_robust_list(0x55555697d6e0, 24 [pid 19007] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 19006] <... futex resumed>) = 0 [pid 19003] exit_group(0 [pid 3612] ioctl(3, LOOP_CLR_FD [pid 19009] <... set_robust_list resumed>) = 0 [pid 19008] set_robust_list(0x55555697d6e0, 24 [pid 19007] <... openat resumed>) = 3 [pid 19003] <... exit_group resumed>) = ? [pid 3612] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 19009] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 19007] write(3, "1000", 4 [pid 19006] +++ exited with 0 +++ [pid 3612] close(3 [pid 19009] <... prctl resumed>) = 0 [pid 19007] <... write resumed>) = 4 [pid 3612] <... close resumed>) = 0 [pid 19009] setpgid(0, 0 [pid 19008] <... set_robust_list resumed>) = 0 [pid 19007] close(3 [pid 19003] +++ exited with 0 +++ [pid 3612] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 19009] <... setpgid resumed>) = 0 [pid 19008] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 19007] <... close resumed>) = 0 [pid 19009] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 19008] <... prctl resumed>) = 0 [pid 19007] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3612] <... clone resumed>, child_tidptr=0x55555697d6d0) = 19010 [pid 19009] <... openat resumed>) = 3 [pid 19008] setpgid(0, 0 [pid 19007] <... futex resumed>) = 0 [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19003, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- ./strace-static-x86_64: Process 19010 attached [pid 19009] write(3, "1000", 4 [pid 19008] <... setpgid resumed>) = 0 [pid 19007] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3610] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 19009] <... write resumed>) = 4 [pid 19008] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 19007] <... mmap resumed>) = 0x7fe89d140000 [pid 19010] set_robust_list(0x55555697d6e0, 24 [pid 19009] close(3 [pid 19008] <... openat resumed>) = 3 [pid 19007] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 3610] <... openat resumed>) = 3 [pid 19010] <... set_robust_list resumed>) = 0 [pid 19009] <... close resumed>) = 0 [pid 19008] write(3, "1000", 4 [pid 19007] <... mprotect resumed>) = 0 [pid 3610] ioctl(3, LOOP_CLR_FD [pid 19010] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 19009] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19008] <... write resumed>) = 4 [pid 19007] 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] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 19010] <... prctl resumed>) = 0 [pid 19009] <... futex resumed>) = 0 [pid 19008] close(3 [pid 19010] setpgid(0, 0 [pid 19009] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 19008] <... close resumed>) = 0 [pid 19007] <... clone resumed>, parent_tid=[19011], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 19011 [pid 3610] close(3 [pid 19010] <... setpgid resumed>) = 0 [pid 19009] <... mmap resumed>) = 0x7fe89d140000 [pid 19007] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19009] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 19007] <... futex resumed>) = 0 [pid 19009] <... mprotect resumed>) = 0 [pid 19007] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 19009] 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=[19012], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 19012 [pid 19009] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 19008] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3610] <... close resumed>) = 0 [pid 19009] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 19008] <... futex resumed>) = 0 [pid 19010] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 19008] 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 19008] <... mmap resumed>) = 0x7fe89d140000 ./strace-static-x86_64: Process 19012 attached [pid 19012] set_robust_list(0x7fe89d1609e0, 24 [pid 19008] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 3610] <... clone resumed>, child_tidptr=0x55555697d6d0) = 19013 [pid 19010] <... openat resumed>) = 3 [pid 19008] <... mprotect resumed>) = 0 [pid 19010] write(3, "1000", 4 [pid 19008] 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 19010] <... write resumed>) = 4 [pid 19010] close(3 [pid 19008] <... clone resumed>, parent_tid=[19014], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 19014 [pid 19012] <... set_robust_list resumed>) = 0 [pid 19010] <... close resumed>) = 0 [pid 19008] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 19014 attached ./strace-static-x86_64: Process 19013 attached ./strace-static-x86_64: Process 19011 attached [pid 19012] mkdir("./file0", 0777 [pid 19010] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19008] <... futex resumed>) = 0 [pid 19014] set_robust_list(0x7fe89d1609e0, 24 [pid 19013] set_robust_list(0x55555697d6e0, 24 [pid 19011] set_robust_list(0x7fe89d1609e0, 24 [pid 19010] <... futex resumed>) = 0 [pid 19008] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 19014] <... set_robust_list resumed>) = 0 [pid 19013] <... set_robust_list resumed>) = 0 [pid 19011] <... set_robust_list resumed>) = 0 [pid 19010] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 19014] mkdir("./file0", 0777 [pid 19013] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 19011] mkdir("./file0", 0777 [pid 19010] <... mmap resumed>) = 0x7fe89d140000 [pid 19014] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 19013] <... prctl resumed>) = 0 [pid 19011] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 19010] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 19014] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 19013] setpgid(0, 0 [pid 19012] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 19011] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 19010] <... mprotect resumed>) = 0 [pid 19014] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19013] <... setpgid resumed>) = 0 [pid 19012] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 19011] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19010] 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 19015 attached [pid 19014] <... futex resumed>) = 1 [pid 19013] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 19012] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19011] <... futex resumed>) = 1 [pid 19008] <... futex resumed>) = 0 [pid 19007] <... futex resumed>) = 0 [pid 19015] set_robust_list(0x7fe89d1609e0, 24 [pid 19014] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19013] <... openat resumed>) = 3 [pid 19012] <... futex resumed>) = 1 [pid 19011] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19010] <... clone resumed>, parent_tid=[19015], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 19015 [pid 19009] <... futex resumed>) = 0 [pid 19008] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19007] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19015] <... set_robust_list resumed>) = 0 [pid 19014] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19013] write(3, "1000", 4 [pid 19012] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19011] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19010] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19009] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19008] <... futex resumed>) = 0 [pid 19007] <... futex resumed>) = 0 [pid 19014] pipe2( [pid 19013] <... write resumed>) = 4 [pid 19012] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19011] pipe2( [pid 19010] <... futex resumed>) = 0 [pid 19009] <... futex resumed>) = 0 [pid 19008] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19007] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19014] <... pipe2 resumed>[3, 4], 0) = 0 [pid 19013] close(3 [pid 19012] pipe2( [pid 19011] <... pipe2 resumed>[3, 4], 0) = 0 [pid 19010] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 19009] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19015] mkdir("./file0", 0777 [pid 19014] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19013] <... close resumed>) = 0 [pid 19012] <... pipe2 resumed>[3, 4], 0) = 0 [pid 19011] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19015] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 19014] <... futex resumed>) = 1 [pid 19013] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19012] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19011] <... futex resumed>) = 1 [pid 19008] <... futex resumed>) = 0 [pid 19007] <... futex resumed>) = 0 [pid 19015] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 19014] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19013] <... futex resumed>) = 0 [pid 19012] <... futex resumed>) = 1 [pid 19011] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19009] <... futex resumed>) = 0 [pid 19008] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19007] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19015] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19014] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19013] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 19012] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19011] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19009] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19008] <... futex resumed>) = 0 [pid 19007] <... futex resumed>) = 0 [pid 19015] <... futex resumed>) = 1 [pid 19014] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 19013] <... mmap resumed>) = 0x7fe89d140000 [pid 19012] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19011] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 19010] <... futex resumed>) = 0 [pid 19009] <... futex resumed>) = 0 [pid 19008] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19007] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19015] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19013] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 19012] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 19010] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19009] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19013] <... mprotect resumed>) = 0 [pid 19010] <... futex resumed>) = 0 [pid 19015] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19013] 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 19010] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19015] pipe2([3, 4], 0) = 0 [pid 19013] <... clone resumed>, parent_tid=[19016], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 19016 [pid 19015] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19013] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19015] <... futex resumed>) = 1 [pid 19013] <... futex resumed>) = 0 [pid 19010] <... futex resumed>) = 0 ./strace-static-x86_64: Process 19016 attached [pid 19015] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19013] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 19014] <... mount resumed>) = -1 EFAULT (Bad address) [pid 19010] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19016] set_robust_list(0x7fe89d1609e0, 24 [pid 19015] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19010] <... futex resumed>) = 0 [pid 19016] <... set_robust_list resumed>) = 0 [pid 19015] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 19010] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19016] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 19016] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 19016] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 19013] <... futex resumed>) = 0 [pid 19011] <... mount resumed>) = -1 EFAULT (Bad address) [pid 19016] pipe2( [pid 19013] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19016] <... pipe2 resumed>[3, 4], 0) = 0 [pid 19013] <... futex resumed>) = 0 [pid 19011] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19016] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19014] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19013] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19012] <... mount resumed>) = -1 EFAULT (Bad address) [pid 19011] <... futex resumed>) = 1 [pid 19007] <... futex resumed>) = 0 [pid 19016] <... futex resumed>) = 0 [pid 19014] <... futex resumed>) = 1 [pid 19013] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19012] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19011] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19008] <... futex resumed>) = 0 [pid 19007] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19016] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19014] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19013] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19012] <... futex resumed>) = 1 [pid 19011] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19009] <... futex resumed>) = 0 [pid 19008] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19007] <... futex resumed>) = 0 [pid 19016] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19014] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19013] <... futex resumed>) = 0 [pid 19012] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19011] write(4, NULL, 126976 [pid 19009] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19008] <... futex resumed>) = 0 [pid 19007] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19016] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 19014] write(4, NULL, 126976 [pid 19013] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19012] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19011] <... write resumed>) = -1 EFAULT (Bad address) [pid 19009] <... futex resumed>) = 0 [pid 19008] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19015] <... mount resumed>) = -1 EFAULT (Bad address) [pid 19014] <... write resumed>) = -1 EFAULT (Bad address) [pid 19012] write(4, NULL, 126976 [pid 19011] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19009] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19015] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19014] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19012] <... write resumed>) = -1 EFAULT (Bad address) [pid 19011] <... futex resumed>) = 1 [pid 19007] <... futex resumed>) = 0 [pid 19015] <... futex resumed>) = 1 [pid 19014] <... futex resumed>) = 1 [pid 19011] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19010] <... futex resumed>) = 0 [pid 19008] <... futex resumed>) = 0 [pid 19007] exit_group(0 [pid 19015] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19014] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19011] <... futex resumed>) = ? [pid 19010] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19008] exit_group(0 [pid 19007] <... exit_group resumed>) = ? [pid 19015] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19014] <... futex resumed>) = ? [pid 19012] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19011] +++ exited with 0 +++ [pid 19010] <... futex resumed>) = 0 [pid 19008] <... exit_group resumed>) = ? [pid 19007] +++ exited with 0 +++ [pid 19016] <... mount resumed>) = -1 EFAULT (Bad address) [pid 19015] write(4, NULL, 126976 [pid 19014] +++ exited with 0 +++ [pid 19012] <... futex resumed>) = 1 [pid 19010] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19009] <... futex resumed>) = 0 [pid 19008] +++ exited with 0 +++ [pid 3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19007, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 19016] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19015] <... write resumed>) = -1 EFAULT (Bad address) [pid 19012] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19009] exit_group(0 [pid 19016] <... futex resumed>) = 1 [pid 19015] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19013] <... futex resumed>) = 0 [pid 19012] <... futex resumed>) = ? [pid 19009] <... exit_group resumed>) = ? [pid 3609] restart_syscall(<... resuming interrupted clone ...> [pid 19015] <... futex resumed>) = 1 [pid 19013] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19012] +++ exited with 0 +++ [pid 19010] <... futex resumed>) = 0 [pid 19015] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19010] exit_group(0 [pid 19015] <... futex resumed>) = ? [pid 19010] <... exit_group resumed>) = ? [pid 19016] write(4, NULL, 126976 [pid 19015] +++ exited with 0 +++ [pid 19013] <... futex resumed>) = 0 [pid 19010] +++ exited with 0 +++ [pid 19009] +++ exited with 0 +++ [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19008, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3609] <... restart_syscall resumed>) = 0 [pid 19016] <... write resumed>) = -1 EFAULT (Bad address) [pid 19013] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3613] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 3612] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19010, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19009, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 19016] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19013] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3613] <... openat resumed>) = 3 [pid 3612] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 19013] exit_group(0 [pid 19016] <... futex resumed>) = ? [pid 3613] ioctl(3, LOOP_CLR_FD [pid 3612] <... openat resumed>) = 3 [pid 3609] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 19013] <... exit_group resumed>) = ? [pid 3613] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3612] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 3609] <... openat resumed>) = 3 [pid 3613] close(3 [pid 3612] close(3 [pid 3609] ioctl(3, LOOP_CLR_FD [pid 3613] <... close resumed>) = 0 [pid 3612] <... close resumed>) = 0 [pid 3612] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555697d6d0) = 19017 ./strace-static-x86_64: Process 19017 attached [pid 19017] set_robust_list(0x55555697d6e0, 24) = 0 [pid 19017] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 19017] setpgid(0, 0) = 0 [pid 19017] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 19017] write(3, "1000", 4) = 4 [pid 19017] close(3) = 0 [pid 19017] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 19017] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe89d140000 [pid 19017] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 19017] 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=[19018], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 19018 ./strace-static-x86_64: Process 19018 attached [pid 19016] +++ exited with 0 +++ [pid 19013] +++ 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) ./strace-static-x86_64: Process 19019 attached [pid 19018] set_robust_list(0x7fe89d1609e0, 24 [pid 19017] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3609] close(3 [pid 19018] <... set_robust_list resumed>) = 0 [pid 19017] <... futex resumed>) = 0 [pid 3613] <... clone resumed>, child_tidptr=0x55555697d6d0) = 19019 [pid 3611] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19013, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3609] <... close resumed>) = 0 [pid 19018] mkdir("./file0", 0777 [pid 19017] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 3611] <... openat resumed>) = 3 [pid 3610] restart_syscall(<... resuming interrupted clone ...> [pid 3609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 19018] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3611] ioctl(3, LOOP_CLR_FD [pid 3610] <... restart_syscall resumed>) = 0 [pid 19018] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3611] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 19018] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] close(3 [pid 3609] <... clone resumed>, child_tidptr=0x55555697d6d0) = 19020 [pid 19018] <... futex resumed>) = 1 [pid 19017] <... futex resumed>) = 0 [pid 3611] <... close resumed>) = 0 [pid 3610] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 19018] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19017] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3610] <... openat resumed>) = 3 [pid 19018] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19017] <... futex resumed>) = 0 [pid 3610] ioctl(3, LOOP_CLR_FD [pid 19018] pipe2( [pid 19017] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3611] <... clone resumed>, child_tidptr=0x55555697d6d0) = 19021 [pid 3610] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 19018] <... pipe2 resumed>[3, 4], 0) = 0 [pid 3610] close(3 [pid 19018] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3610] <... close resumed>) = 0 [pid 19019] set_robust_list(0x55555697d6e0, 24 [pid 19018] <... futex resumed>) = 1 [pid 19017] <... futex resumed>) = 0 [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19020 attached [pid 19019] <... set_robust_list resumed>) = 0 [pid 19018] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19017] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19018] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19017] <... futex resumed>) = 0 [pid 3610] <... clone resumed>, child_tidptr=0x55555697d6d0) = 19022 [pid 19018] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 19017] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 19022 attached [pid 19020] set_robust_list(0x55555697d6e0, 24 [pid 19019] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 19020] <... set_robust_list resumed>) = 0 [pid 19019] <... prctl resumed>) = 0 ./strace-static-x86_64: Process 19021 attached [pid 19019] setpgid(0, 0 [pid 19020] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 19019] <... setpgid resumed>) = 0 [pid 19021] set_robust_list(0x55555697d6e0, 24 [pid 19019] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 19020] <... prctl resumed>) = 0 [pid 19022] set_robust_list(0x55555697d6e0, 24 [pid 19021] <... set_robust_list resumed>) = 0 [pid 19021] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 19020] setpgid(0, 0 [pid 19021] <... prctl resumed>) = 0 [pid 19021] setpgid(0, 0 [pid 19020] <... setpgid resumed>) = 0 [pid 19019] <... openat resumed>) = 3 [pid 19022] <... set_robust_list resumed>) = 0 [pid 19021] <... setpgid resumed>) = 0 [pid 19020] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 19019] write(3, "1000", 4 [pid 19022] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 19021] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 19020] <... openat resumed>) = 3 [pid 19019] <... write resumed>) = 4 [pid 19018] <... mount resumed>) = -1 EFAULT (Bad address) [pid 19022] <... prctl resumed>) = 0 [pid 19021] <... openat resumed>) = 3 [pid 19020] write(3, "1000", 4 [pid 19019] close(3 [pid 19018] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19022] setpgid(0, 0 [pid 19021] write(3, "1000", 4 [pid 19020] <... write resumed>) = 4 [pid 19019] <... close resumed>) = 0 [pid 19018] <... futex resumed>) = 1 [pid 19017] <... futex resumed>) = 0 [pid 19022] <... setpgid resumed>) = 0 [pid 19021] <... write resumed>) = 4 [pid 19020] close(3 [pid 19019] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19018] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19017] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19022] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 19021] close(3 [pid 19020] <... close resumed>) = 0 [pid 19019] <... futex resumed>) = 0 [pid 19018] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19017] <... futex resumed>) = 0 [pid 19022] <... openat resumed>) = 3 [pid 19021] <... close resumed>) = 0 [pid 19020] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19019] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 19018] write(4, NULL, 126976 [pid 19017] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19022] write(3, "1000", 4 [pid 19021] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19020] <... futex resumed>) = 0 [pid 19019] <... mmap resumed>) = 0x7fe89d140000 [pid 19018] <... write resumed>) = -1 EFAULT (Bad address) [pid 19022] <... write resumed>) = 4 [pid 19021] <... futex resumed>) = 0 [pid 19020] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 19019] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 19018] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19022] close(3 [pid 19021] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 19020] <... mmap resumed>) = 0x7fe89d140000 [pid 19019] <... mprotect resumed>) = 0 [pid 19018] <... futex resumed>) = 1 [pid 19017] <... futex resumed>) = 0 [pid 19022] <... close resumed>) = 0 [pid 19021] <... mmap resumed>) = 0x7fe89d140000 [pid 19020] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 19019] 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 19018] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19017] exit_group(0 [pid 19022] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19021] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 19020] <... mprotect resumed>) = 0 [pid 19018] <... futex resumed>) = ? [pid 19017] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 19023 attached [pid 19022] <... futex resumed>) = 0 [pid 19021] <... mprotect resumed>) = 0 [pid 19020] 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 19019] <... clone resumed>, parent_tid=[19023], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 19023 [pid 19018] +++ exited with 0 +++ [pid 19017] +++ exited with 0 +++ [pid 19022] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 19021] 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 19019] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3612] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19017, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- ./strace-static-x86_64: Process 19025 attached ./strace-static-x86_64: Process 19024 attached [pid 19022] <... mmap resumed>) = 0x7fe89d140000 [pid 19020] <... clone resumed>, parent_tid=[19024], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 19024 [pid 19021] <... clone resumed>, parent_tid=[19025], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 19025 [pid 19021] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 19021] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 19019] <... futex resumed>) = 0 [pid 19022] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 19024] set_robust_list(0x7fe89d1609e0, 24 [pid 19020] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19019] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 19022] <... mprotect resumed>) = 0 [pid 19023] set_robust_list(0x7fe89d1609e0, 24 [pid 19020] <... futex resumed>) = 0 [pid 19023] <... set_robust_list resumed>) = 0 [pid 19022] 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 19020] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 3612] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 19024] <... set_robust_list resumed>) = 0 [pid 19023] mkdir("./file0", 0777 [pid 3612] <... openat resumed>) = 3 [pid 19023] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 19022] <... clone resumed>, parent_tid=[19026], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 19026 [pid 3612] ioctl(3, LOOP_CLR_FD [pid 19024] mkdir("./file0", 0777 [pid 19023] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 19025] set_robust_list(0x7fe89d1609e0, 24 [pid 19022] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3612] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 19024] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 19023] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19022] <... futex resumed>) = 0 [pid 3612] close(3./strace-static-x86_64: Process 19026 attached [pid 19025] <... set_robust_list resumed>) = 0 [pid 19024] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 19023] <... futex resumed>) = 1 [pid 19022] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 19019] <... futex resumed>) = 0 [pid 3612] <... close resumed>) = 0 [pid 19026] set_robust_list(0x7fe89d1609e0, 24 [pid 19025] mkdir("./file0", 0777 [pid 19024] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19023] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19019] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3612] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19027 attached [pid 19026] <... set_robust_list resumed>) = 0 [pid 19025] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 19024] <... futex resumed>) = 1 [pid 19023] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19020] <... futex resumed>) = 0 [pid 19019] <... futex resumed>) = 0 [pid 19027] set_robust_list(0x55555697d6e0, 24 [pid 19026] mkdir("./file0", 0777 [pid 19025] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 19024] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19023] pipe2( [pid 19020] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19019] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3612] <... clone resumed>, child_tidptr=0x55555697d6d0) = 19027 [pid 19027] <... set_robust_list resumed>) = 0 [pid 19026] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 19025] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19024] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19023] <... pipe2 resumed>[3, 4], 0) = 0 [pid 19020] <... futex resumed>) = 0 [pid 19027] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 19026] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 19025] <... futex resumed>) = 1 [pid 19024] pipe2( [pid 19023] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19021] <... futex resumed>) = 0 [pid 19020] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19027] <... prctl resumed>) = 0 [pid 19026] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19025] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19024] <... pipe2 resumed>[3, 4], 0) = 0 [pid 19023] <... futex resumed>) = 1 [pid 19021] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19019] <... futex resumed>) = 0 [pid 19027] setpgid(0, 0 [pid 19026] <... futex resumed>) = 1 [pid 19025] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19024] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19023] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19022] <... futex resumed>) = 0 [pid 19021] <... futex resumed>) = 0 [pid 19019] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19027] <... setpgid resumed>) = 0 [pid 19026] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19025] pipe2( [pid 19024] <... futex resumed>) = 1 [pid 19023] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19022] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19021] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19020] <... futex resumed>) = 0 [pid 19019] <... futex resumed>) = 0 [pid 19027] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 19026] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19025] <... pipe2 resumed>[3, 4], 0) = 0 [pid 19024] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19023] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 19022] <... futex resumed>) = 0 [pid 19020] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19019] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19027] <... openat resumed>) = 3 [pid 19026] pipe2( [pid 19025] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19024] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19022] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19020] <... futex resumed>) = 0 [pid 19027] write(3, "1000", 4 [pid 19026] <... pipe2 resumed>[3, 4], 0) = 0 [pid 19025] <... futex resumed>) = 1 [pid 19024] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 19020] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19027] <... write resumed>) = 4 [pid 19026] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19025] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19021] <... futex resumed>) = 0 [pid 19027] close(3 [pid 19026] <... futex resumed>) = 1 [pid 19022] <... futex resumed>) = 0 [pid 19021] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19025] <... futex resumed>) = 0 [pid 19026] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19021] <... futex resumed>) = 1 [pid 19022] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19027] <... close resumed>) = 0 [pid 19026] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19025] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 19022] <... futex resumed>) = 0 [pid 19021] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19027] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19026] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 19024] <... mount resumed>) = -1 EFAULT (Bad address) [pid 19022] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19027] <... futex resumed>) = 0 [pid 19024] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19027] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 19024] <... futex resumed>) = 1 [pid 19020] <... futex resumed>) = 0 [pid 19027] <... mmap resumed>) = 0x7fe89d140000 [pid 19024] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19020] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19027] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 19024] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19020] <... futex resumed>) = 0 [pid 19027] <... mprotect resumed>) = 0 [pid 19024] write(4, NULL, 126976 [pid 19020] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19027] 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 19024] <... write resumed>) = -1 EFAULT (Bad address) [pid 19024] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19027] <... clone resumed>, parent_tid=[19028], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 19028 [pid 19024] <... futex resumed>) = 1 [pid 19020] <... futex resumed>) = 0 [pid 19023] <... mount resumed>) = -1 EFAULT (Bad address) [pid 19027] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19024] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19020] exit_group(0 [pid 19027] <... futex resumed>) = 0 [pid 19024] <... futex resumed>) = ? [pid 19023] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19020] <... exit_group resumed>) = ? [pid 19027] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 19026] <... mount resumed>) = -1 EFAULT (Bad address) [pid 19024] +++ exited with 0 +++ [pid 19023] <... futex resumed>) = 1 [pid 19020] +++ exited with 0 +++ [pid 19019] <... futex resumed>) = 0 [pid 19019] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19020, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 19019] <... futex resumed>) = 0 [pid 3609] restart_syscall(<... resuming interrupted clone ...> [pid 19019] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3609] <... restart_syscall resumed>) = 0 [pid 3609] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 3609] ioctl(3, LOOP_CLR_FD [pid 19023] write(4, NULL, 126976 [pid 3609] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 19023] <... write resumed>) = -1 EFAULT (Bad address) [pid 3609] close(3 [pid 19023] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3609] <... close resumed>) = 0 [pid 19019] <... futex resumed>) = 0 [pid 19023] <... futex resumed>) = 1 [pid 3609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 19023] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19019] exit_group(0./strace-static-x86_64: Process 19028 attached ) = ? [pid 19023] <... futex resumed>) = ? [pid 3609] <... clone resumed>, child_tidptr=0x55555697d6d0) = 19029 [pid 19028] set_robust_list(0x7fe89d1609e0, 24) = 0 [pid 19028] mkdir("./file0", 0777 [pid 19026] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19023] +++ exited with 0 +++ [pid 19019] +++ exited with 0 +++ [pid 19028] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 19026] <... futex resumed>) = 1 [pid 19022] <... futex resumed>) = 0 [pid 19028] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 19026] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19022] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19028] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19025] <... mount resumed>) = -1 EFAULT (Bad address) [pid 19022] <... futex resumed>) = 0 [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19019, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 19026] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ./strace-static-x86_64: Process 19029 attached [pid 19028] <... futex resumed>) = 1 [pid 19027] <... futex resumed>) = 0 [pid 19026] write(4, NULL, 126976 [pid 19025] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19022] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3613] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 19029] set_robust_list(0x55555697d6e0, 24 [pid 19028] pipe2( [pid 19027] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19026] <... write resumed>) = -1 EFAULT (Bad address) [pid 19025] <... futex resumed>) = 1 [pid 19021] <... futex resumed>) = 0 [pid 3613] <... openat resumed>) = 3 [pid 19029] <... set_robust_list resumed>) = 0 [pid 19028] <... pipe2 resumed>[3, 4], 0) = 0 [pid 19027] <... futex resumed>) = 0 [pid 19026] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19025] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19021] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3613] ioctl(3, LOOP_CLR_FD [pid 19029] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 19028] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19027] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19026] <... futex resumed>) = 1 [pid 19025] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19022] <... futex resumed>) = 0 [pid 19021] <... futex resumed>) = 0 [pid 3613] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 19029] <... prctl resumed>) = 0 [pid 19028] <... futex resumed>) = 0 [pid 19027] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19026] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19025] write(4, NULL, 126976 [pid 19022] exit_group(0 [pid 19021] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3613] close(3 [pid 19029] setpgid(0, 0 [pid 19028] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19027] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19026] <... futex resumed>) = ? [pid 19025] <... write resumed>) = -1 EFAULT (Bad address) [pid 19022] <... exit_group resumed>) = ? [pid 19029] <... setpgid resumed>) = 0 [pid 19028] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19027] <... futex resumed>) = 0 [pid 3613] <... close resumed>) = 0 [pid 19028] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 19027] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 19029] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 19026] +++ exited with 0 +++ [pid 19025] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19022] +++ exited with 0 +++ ./strace-static-x86_64: Process 19030 attached [pid 19025] <... futex resumed>) = 1 [pid 19021] <... futex resumed>) = 0 [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19022, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 19029] <... openat resumed>) = 3 [pid 19021] exit_group(0 [pid 19025] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19029] write(3, "1000", 4 [pid 19021] <... exit_group resumed>) = ? [pid 19025] <... futex resumed>) = ? [pid 3613] <... clone resumed>, child_tidptr=0x55555697d6d0) = 19030 [pid 19029] <... write resumed>) = 4 [pid 19030] set_robust_list(0x55555697d6e0, 24 [pid 19029] close(3 [pid 19025] +++ exited with 0 +++ [pid 19021] +++ exited with 0 +++ [pid 19030] <... set_robust_list resumed>) = 0 [pid 19029] <... close resumed>) = 0 [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19021, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3610] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 19030] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 19029] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3610] <... openat resumed>) = 3 [pid 19030] <... prctl resumed>) = 0 [pid 19029] <... futex resumed>) = 0 [pid 3610] ioctl(3, LOOP_CLR_FD [pid 19030] setpgid(0, 0 [pid 19029] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3611] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 3610] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 19029] <... mmap resumed>) = 0x7fe89d140000 [pid 3611] <... openat resumed>) = 3 [pid 19030] <... setpgid resumed>) = 0 [pid 19029] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 3610] close(3 [pid 3611] ioctl(3, LOOP_CLR_FD [pid 19030] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 19029] <... mprotect resumed>) = 0 [pid 19028] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3611] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3610] <... close resumed>) = 0 [pid 19030] <... openat resumed>) = 3 [pid 19029] 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 19028] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19030] write(3, "1000", 4 [pid 19028] <... futex resumed>) = 1 [pid 19027] <... futex resumed>) = 0 [pid 3611] close(3 [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 19030] <... write resumed>) = 4 [pid 19029] <... clone resumed>, parent_tid=[19031], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 19031 [pid 19028] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19027] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] <... close resumed>) = 0 [pid 19030] close(3 [pid 19029] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19028] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19027] <... futex resumed>) = 0 [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 19030] <... close resumed>) = 0 [pid 19029] <... futex resumed>) = 0 [pid 19028] write(4, NULL, 126976 [pid 19027] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19030] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19029] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 19028] <... write resumed>) = -1 EFAULT (Bad address) [pid 3610] <... clone resumed>, child_tidptr=0x55555697d6d0) = 19032 ./strace-static-x86_64: Process 19032 attached [pid 19030] <... futex resumed>) = 0 [pid 19028] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] <... clone resumed>, child_tidptr=0x55555697d6d0) = 19033 [pid 19032] set_robust_list(0x55555697d6e0, 24 [pid 19030] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 19028] <... futex resumed>) = 1 [pid 19027] <... futex resumed>) = 0 ./strace-static-x86_64: Process 19033 attached [pid 19032] <... set_robust_list resumed>) = 0 [pid 19030] <... mmap resumed>) = 0x7fe89d140000 [pid 19028] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19027] exit_group(0./strace-static-x86_64: Process 19031 attached [pid 19032] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 19030] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 19028] <... futex resumed>) = ? [pid 19027] <... exit_group resumed>) = ? [pid 19033] set_robust_list(0x55555697d6e0, 24 [pid 19032] <... prctl resumed>) = 0 [pid 19031] set_robust_list(0x7fe89d1609e0, 24 [pid 19030] <... mprotect resumed>) = 0 [pid 19028] +++ exited with 0 +++ [pid 19033] <... set_robust_list resumed>) = 0 [pid 19032] setpgid(0, 0 [pid 19030] 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 19027] +++ exited with 0 +++ [pid 19032] <... setpgid resumed>) = 0 [pid 19032] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 19030] <... clone resumed>, parent_tid=[19034], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 19034 [pid 19033] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 19032] <... openat resumed>) = 3 [pid 19030] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3612] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19027, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- ./strace-static-x86_64: Process 19034 attached [pid 19033] <... prctl resumed>) = 0 [pid 19032] write(3, "1000", 4 [pid 19031] <... set_robust_list resumed>) = 0 [pid 19030] <... futex resumed>) = 0 [pid 19033] setpgid(0, 0 [pid 19032] <... write resumed>) = 4 [pid 19030] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 3612] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 19033] <... setpgid resumed>) = 0 [pid 19032] close(3 [pid 19031] mkdir("./file0", 0777 [pid 19032] <... close resumed>) = 0 [pid 3612] <... openat resumed>) = 3 [pid 19033] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 19032] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3612] ioctl(3, LOOP_CLR_FD [pid 19032] <... futex resumed>) = 0 [pid 19031] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3612] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 19032] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3612] close(3 [pid 19033] <... openat resumed>) = 3 [pid 19032] <... mmap resumed>) = 0x7fe89d140000 [pid 19031] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 19034] set_robust_list(0x7fe89d1609e0, 24 [pid 3612] <... close resumed>) = 0 [pid 19033] write(3, "1000", 4 [pid 19032] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 3612] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 19034] <... set_robust_list resumed>) = 0 [pid 19032] <... mprotect resumed>) = 0 [pid 19031] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19034] mkdir("./file0", 0777 [pid 19032] 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 19034] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 19033] <... write resumed>) = 4 [pid 19031] <... futex resumed>) = 1 [pid 19029] <... futex resumed>) = 0 [pid 19034] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 19032] <... clone resumed>, parent_tid=[19036], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 19036 [pid 19033] close(3 [pid 19029] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19031] pipe2( [pid 3612] <... clone resumed>, child_tidptr=0x55555697d6d0) = 19035 [pid 19034] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19033] <... close resumed>) = 0 [pid 19032] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19029] <... futex resumed>) = 0 [pid 19034] <... futex resumed>) = 1 [pid 19033] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19032] <... futex resumed>) = 0 [pid 19031] <... pipe2 resumed>[3, 4], 0) = 0 [pid 19030] <... futex resumed>) = 0 [pid 19029] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 19035 attached [pid 19034] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19033] <... futex resumed>) = 0 [pid 19032] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 19031] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19030] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19029] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ./strace-static-x86_64: Process 19036 attached [pid 19035] set_robust_list(0x55555697d6e0, 24 [pid 19034] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19033] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 19031] <... futex resumed>) = 0 [pid 19030] <... futex resumed>) = 0 [pid 19029] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19035] <... set_robust_list resumed>) = 0 [pid 19034] pipe2( [pid 19030] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19029] <... futex resumed>) = 0 [pid 19033] <... mmap resumed>) = 0x7fe89d140000 [pid 19036] set_robust_list(0x7fe89d1609e0, 24 [pid 19035] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 19034] <... pipe2 resumed>[3, 4], 0) = 0 [pid 19031] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 19029] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19033] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 19036] <... set_robust_list resumed>) = 0 [pid 19035] <... prctl resumed>) = 0 [pid 19034] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19035] setpgid(0, 0 [pid 19034] <... futex resumed>) = 1 [pid 19030] <... futex resumed>) = 0 [pid 19035] <... setpgid resumed>) = 0 [pid 19034] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19033] <... mprotect resumed>) = 0 [pid 19030] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19035] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 19034] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19030] <... futex resumed>) = 0 [pid 19035] <... openat resumed>) = 3 [pid 19034] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 19033] 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 19030] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19035] write(3, "1000", 4) = 4 [pid 19035] close(3) = 0 [pid 19035] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 19035] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe89d140000 [pid 19033] <... clone resumed>, parent_tid=[19037], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 19037 [pid 19035] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 19035] 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 19033] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19035] <... clone resumed>, parent_tid=[19038], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 19038 ./strace-static-x86_64: Process 19037 attached [pid 19035] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19037] set_robust_list(0x7fe89d1609e0, 24 [pid 19035] <... futex resumed>) = 0 [pid 19037] <... set_robust_list resumed>) = 0 [pid 19035] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 19037] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 19033] <... futex resumed>) = 0 [pid 19033] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 19037] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 19037] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 19033] <... futex resumed>) = 0 [pid 19037] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19033] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19037] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19036] mkdir("./file0", 0777 [pid 19034] <... mount resumed>) = -1 EFAULT (Bad address) [pid 19033] <... futex resumed>) = 0 [pid 19037] pipe2( [pid 19034] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19033] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 19038 attached [pid 19037] <... pipe2 resumed>[3, 4], 0) = 0 [pid 19034] <... futex resumed>) = 1 [pid 19030] <... futex resumed>) = 0 [pid 19038] set_robust_list(0x7fe89d1609e0, 24 [pid 19037] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19034] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19030] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19038] <... set_robust_list resumed>) = 0 [pid 19037] <... futex resumed>) = 1 [pid 19036] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 19034] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19033] <... futex resumed>) = 0 [pid 19030] <... futex resumed>) = 0 [pid 19038] mkdir("./file0", 0777 [pid 19037] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19034] write(4, NULL, 126976 [pid 19033] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19030] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19036] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 19038] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 19037] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19034] <... write resumed>) = -1 EFAULT (Bad address) [pid 19033] <... futex resumed>) = 0 [pid 19036] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19038] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 19037] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 19034] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19038] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19034] <... futex resumed>) = 1 [pid 19030] <... futex resumed>) = 0 [pid 19038] <... futex resumed>) = 1 [pid 19035] <... futex resumed>) = 0 [pid 19034] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19030] exit_group(0 [pid 19038] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19035] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19034] <... futex resumed>) = ? [pid 19030] <... exit_group resumed>) = ? [pid 19038] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19035] <... futex resumed>) = 0 [pid 19034] +++ exited with 0 +++ [pid 19030] +++ exited with 0 +++ [pid 19038] pipe2( [pid 19035] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19030, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 19033] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19036] <... futex resumed>) = 1 [pid 19032] <... futex resumed>) = 0 [pid 19038] <... pipe2 resumed>[3, 4], 0) = 0 [pid 19036] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19032] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19038] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19032] <... futex resumed>) = 0 [pid 19038] <... futex resumed>) = 1 [pid 19036] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19035] <... futex resumed>) = 0 [pid 19032] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19038] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19036] pipe2( [pid 19035] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3613] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 19038] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19036] <... pipe2 resumed>[3, 4], 0) = 0 [pid 19031] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3613] <... openat resumed>) = 3 [pid 19038] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 19036] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19035] <... futex resumed>) = 0 [pid 3613] ioctl(3, LOOP_CLR_FD [pid 19036] <... futex resumed>) = 1 [pid 19035] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19032] <... futex resumed>) = 0 [pid 19031] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3613] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 19036] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19032] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19031] <... futex resumed>) = 1 [pid 19029] <... futex resumed>) = 0 [pid 3613] close(3 [pid 19037] <... mount resumed>) = -1 EFAULT (Bad address) [pid 19036] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19032] <... futex resumed>) = 0 [pid 19031] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19029] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3613] <... close resumed>) = 0 [pid 19037] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19036] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 19032] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19031] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19029] <... futex resumed>) = 0 [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 19038] <... mount resumed>) = -1 EFAULT (Bad address) [pid 19037] <... futex resumed>) = 1 [pid 19033] <... futex resumed>) = 0 [pid 19029] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19038] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19037] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19033] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19038] <... futex resumed>) = 1 [pid 19037] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19035] <... futex resumed>) = 0 [pid 19033] <... futex resumed>) = 0 [pid 19038] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19037] write(4, NULL, 126976 [pid 19035] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19033] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19031] write(4, NULL, 126976 [pid 3613] <... clone resumed>, child_tidptr=0x55555697d6d0) = 19039 [pid 19038] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19037] <... write resumed>) = -1 EFAULT (Bad address) [pid 19035] <... futex resumed>) = 0 [pid 19031] <... write resumed>) = -1 EFAULT (Bad address) [pid 19038] write(4, NULL, 126976 [pid 19037] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19035] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19038] <... write resumed>) = -1 EFAULT (Bad address) [pid 19037] <... futex resumed>) = 1 [pid 19033] <... futex resumed>) = 0 [pid 19031] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19038] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19037] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19033] exit_group(0 [pid 19038] <... futex resumed>) = 1 [pid 19037] <... futex resumed>) = ? [pid 19035] <... futex resumed>) = 0 [pid 19033] <... exit_group resumed>) = ? [pid 19038] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19037] +++ exited with 0 +++ [pid 19035] exit_group(0 [pid 19033] +++ exited with 0 +++ [pid 19031] <... futex resumed>) = 1 [pid 19029] <... futex resumed>) = 0 [pid 19038] <... futex resumed>) = ? [pid 19035] <... exit_group resumed>) = ? [pid 19031] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19029] exit_group(0 [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19033, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 19038] +++ exited with 0 +++ [pid 19035] +++ exited with 0 +++ [pid 19031] <... futex resumed>) = ? [pid 19029] <... exit_group resumed>) = ? [pid 19031] +++ exited with 0 +++ ./strace-static-x86_64: Process 19039 attached [pid 19039] set_robust_list(0x55555697d6e0, 24) = 0 [pid 19029] +++ exited with 0 +++ [pid 3612] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19035, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3612] restart_syscall(<... resuming interrupted clone ...> [pid 3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19029, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3612] <... restart_syscall resumed>) = 0 [pid 19039] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3609] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 3612] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 19039] setpgid(0, 0 [pid 3609] <... openat resumed>) = 3 [pid 3612] <... openat resumed>) = 3 [pid 19039] <... setpgid resumed>) = 0 [pid 3612] ioctl(3, LOOP_CLR_FD [pid 3609] ioctl(3, LOOP_CLR_FD [pid 3612] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3611] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 3609] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3612] close(3 [pid 3611] <... openat resumed>) = 3 [pid 3612] <... close resumed>) = 0 [pid 3609] close(3 [pid 3612] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3611] ioctl(3, LOOP_CLR_FD [pid 3609] <... close resumed>) = 0 [pid 3611] <... 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] <... clone resumed>, child_tidptr=0x55555697d6d0) = 19040 [pid 3611] close(3 [pid 19039] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3611] <... close resumed>) = 0 [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3609] <... clone resumed>, child_tidptr=0x55555697d6d0) = 19041 [pid 3611] <... clone resumed>, child_tidptr=0x55555697d6d0) = 19042 [pid 19039] <... openat resumed>) = 3 [pid 19039] write(3, "1000", 4) = 4 [pid 19039] close(3) = 0 [pid 19039] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 19039] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe89d140000 ./strace-static-x86_64: Process 19041 attached [pid 19039] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 19042 attached ./strace-static-x86_64: Process 19040 attached [pid 19041] set_robust_list(0x55555697d6e0, 24 [pid 19039] <... mprotect resumed>) = 0 [pid 19036] <... mount resumed>) = -1 EFAULT (Bad address) [pid 19042] set_robust_list(0x55555697d6e0, 24 [pid 19041] <... set_robust_list resumed>) = 0 [pid 19040] set_robust_list(0x55555697d6e0, 24 [pid 19039] 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 19036] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19042] <... set_robust_list resumed>) = 0 [pid 19041] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 19040] <... set_robust_list resumed>) = 0 [pid 19036] <... futex resumed>) = 1 [pid 19032] <... futex resumed>) = 0 [pid 19042] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 19041] <... prctl resumed>) = 0 [pid 19040] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 19039] <... clone resumed>, parent_tid=[19043], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 19043 [pid 19036] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19032] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 19043 attached [pid 19042] <... prctl resumed>) = 0 [pid 19041] setpgid(0, 0 [pid 19040] <... prctl resumed>) = 0 [pid 19039] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19036] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19032] <... futex resumed>) = 0 [pid 19043] set_robust_list(0x7fe89d1609e0, 24 [pid 19042] setpgid(0, 0 [pid 19041] <... setpgid resumed>) = 0 [pid 19040] setpgid(0, 0 [pid 19039] <... futex resumed>) = 0 [pid 19036] write(4, NULL, 126976 [pid 19032] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19043] <... set_robust_list resumed>) = 0 [pid 19042] <... setpgid resumed>) = 0 [pid 19041] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 19040] <... setpgid resumed>) = 0 [pid 19039] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 19036] <... write resumed>) = -1 EFAULT (Bad address) [pid 19043] mkdir("./file0", 0777 [pid 19042] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 19041] <... openat resumed>) = 3 [pid 19040] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 19036] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19043] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 19042] <... openat resumed>) = 3 [pid 19041] write(3, "1000", 4 [pid 19040] <... openat resumed>) = 3 [pid 19036] <... futex resumed>) = 1 [pid 19032] <... futex resumed>) = 0 [pid 19043] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 19042] write(3, "1000", 4 [pid 19041] <... write resumed>) = 4 [pid 19040] write(3, "1000", 4 [pid 19036] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19032] exit_group(0 [pid 19043] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19042] <... write resumed>) = 4 [pid 19041] close(3 [pid 19040] <... write resumed>) = 4 [pid 19036] <... futex resumed>) = ? [pid 19032] <... exit_group resumed>) = ? [pid 19043] <... futex resumed>) = 1 [pid 19042] close(3 [pid 19041] <... close resumed>) = 0 [pid 19040] close(3 [pid 19039] <... futex resumed>) = 0 [pid 19036] +++ exited with 0 +++ [pid 19043] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19042] <... close resumed>) = 0 [pid 19041] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19040] <... close resumed>) = 0 [pid 19039] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19032] +++ exited with 0 +++ [pid 19043] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19042] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19041] <... futex resumed>) = 0 [pid 19040] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19039] <... futex resumed>) = 0 [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19032, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 19043] pipe2( [pid 19042] <... futex resumed>) = 0 [pid 19041] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 19040] <... futex resumed>) = 0 [pid 19039] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19043] <... pipe2 resumed>[3, 4], 0) = 0 [pid 19042] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 19041] <... mmap resumed>) = 0x7fe89d140000 [pid 19040] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 19043] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19042] <... mmap resumed>) = 0x7fe89d140000 [pid 19041] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 19040] <... mmap resumed>) = 0x7fe89d140000 [pid 19043] <... futex resumed>) = 1 [pid 19042] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 19041] <... mprotect resumed>) = 0 [pid 19040] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 19039] <... futex resumed>) = 0 [pid 19043] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19042] <... mprotect resumed>) = 0 [pid 19041] 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 19040] <... mprotect resumed>) = 0 [pid 19039] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19043] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19042] 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 19040] 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 19039] <... futex resumed>) = 0 [pid 19043] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 19041] <... clone resumed>, parent_tid=[19044], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 19044 [pid 19039] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 19045 attached ./strace-static-x86_64: Process 19044 attached [pid 19042] <... clone resumed>, parent_tid=[19045], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 19045 [pid 19041] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3610] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 19045] set_robust_list(0x7fe89d1609e0, 24 [pid 19044] set_robust_list(0x7fe89d1609e0, 24 [pid 19042] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19040] <... clone resumed>, parent_tid=[19046], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 19046 [pid 3610] <... openat resumed>) = 3 [pid 19045] <... set_robust_list resumed>) = 0 [pid 19044] <... set_robust_list resumed>) = 0 [pid 19042] <... futex resumed>) = 0 [pid 19041] <... futex resumed>) = 0 [pid 19040] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3610] ioctl(3, LOOP_CLR_FD [pid 19045] mkdir("./file0", 0777 [pid 19044] mkdir("./file0", 0777 [pid 19042] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 19041] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 19040] <... futex resumed>) = 0 [pid 3610] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 19045] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 19044] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 19040] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 3610] close(3 [pid 19045] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 19044] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3610] <... close resumed>) = 0 [pid 19045] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19044] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 19045] <... futex resumed>) = 1 [pid 19044] <... futex resumed>) = 1 [pid 19042] <... futex resumed>) = 0 [pid 19041] <... futex resumed>) = 0 [pid 19045] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19044] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19042] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19041] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3610] <... clone resumed>, child_tidptr=0x55555697d6d0) = 19047 ./strace-static-x86_64: Process 19046 attached ./strace-static-x86_64: Process 19047 attached [pid 19045] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19044] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19043] <... mount resumed>) = -1 EFAULT (Bad address) [pid 19042] <... futex resumed>) = 0 [pid 19041] <... futex resumed>) = 0 [pid 19047] set_robust_list(0x55555697d6e0, 24 [pid 19046] set_robust_list(0x7fe89d1609e0, 24 [pid 19045] pipe2( [pid 19044] pipe2( [pid 19043] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19042] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19041] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19047] <... set_robust_list resumed>) = 0 [pid 19046] <... set_robust_list resumed>) = 0 [pid 19045] <... pipe2 resumed>[3, 4], 0) = 0 [pid 19044] <... pipe2 resumed>[3, 4], 0) = 0 [pid 19043] <... futex resumed>) = 1 [pid 19039] <... futex resumed>) = 0 [pid 19047] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 19046] mkdir("./file0", 0777 [pid 19045] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19044] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19043] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19039] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19047] <... prctl resumed>) = 0 [pid 19046] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 19045] <... futex resumed>) = 1 [pid 19044] <... futex resumed>) = 1 [pid 19043] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19042] <... futex resumed>) = 0 [pid 19041] <... futex resumed>) = 0 [pid 19039] <... futex resumed>) = 0 [pid 19047] setpgid(0, 0 [pid 19046] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 19045] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19044] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19043] write(4, NULL, 126976 [pid 19042] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19041] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19039] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19047] <... setpgid resumed>) = 0 [pid 19046] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19045] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19044] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19043] <... write resumed>) = -1 EFAULT (Bad address) [pid 19042] <... futex resumed>) = 0 [pid 19041] <... futex resumed>) = 0 [pid 19047] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 19046] <... futex resumed>) = 1 [pid 19045] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 19044] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 19043] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19042] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19041] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19040] <... futex resumed>) = 0 [pid 19047] <... openat resumed>) = 3 [pid 19046] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19043] <... futex resumed>) = 1 [pid 19039] <... futex resumed>) = 0 [pid 19047] write(3, "1000", 4 [pid 19043] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19040] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19039] exit_group(0 [pid 19047] <... write resumed>) = 4 [pid 19046] <... futex resumed>) = 0 [pid 19043] <... futex resumed>) = ? [pid 19040] <... futex resumed>) = 1 [pid 19039] <... exit_group resumed>) = ? [pid 19047] close(3 [pid 19046] pipe2( [pid 19043] +++ exited with 0 +++ [pid 19040] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19039] +++ exited with 0 +++ [pid 19047] <... close resumed>) = 0 [pid 19046] <... pipe2 resumed>[3, 4], 0) = 0 [pid 19047] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19046] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19039, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 19045] <... mount resumed>) = -1 EFAULT (Bad address) [pid 19047] <... futex resumed>) = 0 [pid 19046] <... futex resumed>) = 1 [pid 19045] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19044] <... mount resumed>) = -1 EFAULT (Bad address) [pid 19040] <... futex resumed>) = 0 [pid 3613] restart_syscall(<... resuming interrupted clone ...> [pid 19047] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 19046] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19045] <... futex resumed>) = 1 [pid 19044] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19042] <... futex resumed>) = 0 [pid 19040] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3613] <... restart_syscall resumed>) = 0 [pid 19047] <... mmap resumed>) = 0x7fe89d140000 [pid 19046] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19045] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19044] <... futex resumed>) = 1 [pid 19042] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19041] <... futex resumed>) = 0 [pid 19040] <... futex resumed>) = 0 [pid 19047] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 19046] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 19045] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19044] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19042] <... futex resumed>) = 0 [pid 19041] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19040] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19047] <... mprotect resumed>) = 0 [pid 19045] write(4, NULL, 126976 [pid 19044] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19042] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19041] <... futex resumed>) = 0 [pid 3613] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 19045] <... write resumed>) = -1 EFAULT (Bad address) [pid 19044] write(4, NULL, 126976 [pid 19041] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3613] <... openat resumed>) = 3 [pid 19047] 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 19045] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19044] <... write resumed>) = -1 EFAULT (Bad address) [pid 3613] ioctl(3, LOOP_CLR_FD [pid 19045] <... futex resumed>) = 1 [pid 19044] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19042] <... futex resumed>) = 0 [pid 3613] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 19045] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19044] <... futex resumed>) = 1 [pid 19042] exit_group(0 [pid 19041] <... futex resumed>) = 0 [pid 3613] close(3 [pid 19047] <... clone resumed>, parent_tid=[19048], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 19048 [pid 19045] <... futex resumed>) = ? [pid 19044] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19042] <... exit_group resumed>) = ? [pid 19041] exit_group(0 [pid 3613] <... close resumed>) = 0 [pid 19047] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19045] +++ exited with 0 +++ [pid 19044] <... futex resumed>) = ? [pid 19042] +++ exited with 0 +++ [pid 19041] <... exit_group resumed>) = ? [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 19047] <... futex resumed>) = 0 [pid 19044] +++ exited with 0 +++ [pid 19041] +++ exited with 0 +++ [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19042, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 19047] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 3613] <... clone resumed>, child_tidptr=0x55555697d6d0) = 19049 [pid 3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19041, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3609] restart_syscall(<... resuming interrupted clone ...> [pid 3611] openat(AT_FDCWD, "/dev/loop2", O_RDWR./strace-static-x86_64: Process 19048 attached ) = 3 [pid 3609] <... restart_syscall resumed>) = 0 [pid 19048] set_robust_list(0x7fe89d1609e0, 24 [pid 3611] ioctl(3, LOOP_CLR_FD [pid 19048] <... set_robust_list resumed>) = 0 [pid 3611] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 19048] mkdir("./file0", 0777 [pid 3611] close(3 [pid 19048] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3611] <... close resumed>) = 0 [pid 19048] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19049 attached [pid 19048] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3609] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 19049] set_robust_list(0x55555697d6e0, 24 [pid 19048] <... futex resumed>) = 1 [pid 19047] <... futex resumed>) = 0 [pid 3611] <... clone resumed>, child_tidptr=0x55555697d6d0) = 19050 [pid 19049] <... set_robust_list resumed>) = 0 [pid 19048] pipe2( [pid 19047] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3609] <... openat resumed>) = 3 [pid 19049] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 19048] <... pipe2 resumed>[3, 4], 0) = 0 [pid 19047] <... futex resumed>) = 0 [pid 3609] ioctl(3, LOOP_CLR_FD [pid 19049] <... prctl resumed>) = 0 [pid 19048] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19047] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3609] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 19049] setpgid(0, 0 [pid 19048] <... futex resumed>) = 0 [pid 19047] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3609] close(3 [pid 19049] <... setpgid resumed>) = 0 [pid 19048] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19047] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 19050 attached [pid 19049] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 19048] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19047] <... futex resumed>) = 0 [pid 19046] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3609] <... close resumed>) = 0 [pid 19050] set_robust_list(0x55555697d6e0, 24 [pid 19049] <... openat resumed>) = 3 [pid 19048] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 19047] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19046] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 19050] <... set_robust_list resumed>) = 0 [pid 19049] write(3, "1000", 4 [pid 19046] <... futex resumed>) = 1 [pid 19040] <... futex resumed>) = 0 [pid 19050] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 19049] <... write resumed>) = 4 [pid 19050] <... prctl resumed>) = 0 [pid 19049] close(3 [pid 19050] setpgid(0, 0 [pid 19049] <... close resumed>) = 0 [pid 19046] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19040] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19050] <... setpgid resumed>) = 0 [pid 19049] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19050] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 19049] <... futex resumed>) = 0 [pid 19046] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19040] <... futex resumed>) = 0 [pid 3609] <... clone resumed>, child_tidptr=0x55555697d6d0) = 19051 ./strace-static-x86_64: Process 19051 attached [pid 19050] <... openat resumed>) = 3 [pid 19049] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 19048] <... mount resumed>) = -1 EFAULT (Bad address) [pid 19046] write(4, NULL, 126976 [pid 19040] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19050] write(3, "1000", 4 [pid 19049] <... mmap resumed>) = 0x7fe89d140000 [pid 19048] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19046] <... write resumed>) = -1 EFAULT (Bad address) [pid 19050] <... write resumed>) = 4 [pid 19049] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 19048] <... futex resumed>) = 1 [pid 19047] <... futex resumed>) = 0 [pid 19046] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19050] close(3 [pid 19049] <... mprotect resumed>) = 0 [pid 19048] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19047] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19046] <... futex resumed>) = 1 [pid 19040] <... futex resumed>) = 0 [pid 19050] <... close resumed>) = 0 [pid 19049] 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 19048] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19047] <... futex resumed>) = 0 [pid 19046] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19040] exit_group(0 [pid 19050] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19048] write(4, NULL, 126976 [pid 19047] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19046] <... futex resumed>) = ? [pid 19040] <... exit_group resumed>) = ? [pid 19050] <... futex resumed>) = 0 [pid 19049] <... clone resumed>, parent_tid=[19052], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 19052 [pid 19048] <... write resumed>) = -1 EFAULT (Bad address) [pid 19046] +++ exited with 0 +++ [pid 19050] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 19049] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19048] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19050] <... mmap resumed>) = 0x7fe89d140000 [pid 19049] <... futex resumed>) = 0 [pid 19048] <... futex resumed>) = 1 [pid 19047] <... futex resumed>) = 0 [pid 19050] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 19049] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 19048] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19047] exit_group(0 [pid 19040] +++ exited with 0 +++ [pid 19050] <... mprotect resumed>) = 0 [pid 19048] <... futex resumed>) = ? [pid 19047] <... exit_group resumed>) = ? [pid 19050] 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 19048] +++ exited with 0 +++ [pid 19047] +++ exited with 0 +++ [pid 3612] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19040, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19047, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 19050] <... clone resumed>, parent_tid=[19053], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 19053 [pid 3612] openat(AT_FDCWD, "/dev/loop3", O_RDWR./strace-static-x86_64: Process 19052 attached [pid 19050] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19052] set_robust_list(0x7fe89d1609e0, 24 [pid 19050] <... futex resumed>) = 0 [pid 3612] <... openat resumed>) = 3 [pid 19052] <... set_robust_list resumed>) = 0 [pid 19051] set_robust_list(0x55555697d6e0, 24 [pid 19050] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 3612] ioctl(3, LOOP_CLR_FD [pid 19052] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 19051] <... set_robust_list resumed>) = 0 [pid 3612] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 19052] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3612] close(3./strace-static-x86_64: Process 19053 attached [pid 19052] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3612] <... close resumed>) = 0 [pid 19053] set_robust_list(0x7fe89d1609e0, 24 [pid 19052] <... futex resumed>) = 1 [pid 19051] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 19049] <... futex resumed>) = 0 [pid 3612] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3610] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 19053] <... set_robust_list resumed>) = 0 [pid 19052] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19051] <... prctl resumed>) = 0 [pid 19049] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19053] mkdir("./file0", 0777 [pid 19052] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19049] <... futex resumed>) = 0 [pid 19053] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 19052] pipe2( [pid 19051] setpgid(0, 0 [pid 19049] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3610] <... openat resumed>) = 3 [pid 19053] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 19052] <... pipe2 resumed>[3, 4], 0) = 0 [pid 19051] <... setpgid resumed>) = 0 [pid 3612] <... clone resumed>, child_tidptr=0x55555697d6d0) = 19054 [pid 3610] ioctl(3, LOOP_CLR_FD [pid 19053] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19052] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3610] <... ioctl resumed>) = -1 ENXIO (No such device or address) ./strace-static-x86_64: Process 19054 attached [pid 19053] <... futex resumed>) = 1 [pid 19052] <... futex resumed>) = 1 [pid 19051] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 19050] <... futex resumed>) = 0 [pid 19049] <... futex resumed>) = 0 [pid 3610] close(3 [pid 19054] set_robust_list(0x55555697d6e0, 24 [pid 19053] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19052] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19050] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19049] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3610] <... close resumed>) = 0 [pid 19054] <... set_robust_list resumed>) = 0 [pid 19053] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19052] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19051] <... openat resumed>) = 3 [pid 19050] <... futex resumed>) = 0 [pid 19049] <... futex resumed>) = 0 [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 19054] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 19053] pipe2( [pid 19052] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 19051] write(3, "1000", 4 [pid 19050] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19049] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19054] <... prctl resumed>) = 0 [pid 19053] <... pipe2 resumed>[3, 4], 0) = 0 [pid 19054] setpgid(0, 0 [pid 19053] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3610] <... clone resumed>, child_tidptr=0x55555697d6d0) = 19055 [pid 19054] <... setpgid resumed>) = 0 [pid 19053] <... futex resumed>) = 1 [pid 19050] <... futex resumed>) = 0 [pid 19054] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 19053] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19050] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19054] <... openat resumed>) = 3 [pid 19053] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19051] <... write resumed>) = 4 [pid 19050] <... futex resumed>) = 0 ./strace-static-x86_64: Process 19055 attached [pid 19054] write(3, "1000", 4 [pid 19053] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 19051] close(3 [pid 19050] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19055] set_robust_list(0x55555697d6e0, 24 [pid 19054] <... write resumed>) = 4 [pid 19051] <... close resumed>) = 0 [pid 19055] <... set_robust_list resumed>) = 0 [pid 19054] close(3 [pid 19051] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19055] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 19054] <... close resumed>) = 0 [pid 19051] <... futex resumed>) = 0 [pid 19055] <... prctl resumed>) = 0 [pid 19054] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19055] setpgid(0, 0 [pid 19054] <... futex resumed>) = 0 [pid 19051] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 19055] <... setpgid resumed>) = 0 [pid 19054] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 19052] <... mount resumed>) = -1 EFAULT (Bad address) [pid 19051] <... mmap resumed>) = 0x7fe89d140000 [pid 19055] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 19054] <... mmap resumed>) = 0x7fe89d140000 [pid 19052] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19051] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 19055] <... openat resumed>) = 3 [pid 19054] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 19052] <... futex resumed>) = 1 [pid 19051] <... mprotect resumed>) = 0 [pid 19049] <... futex resumed>) = 0 [pid 19055] write(3, "1000", 4 [pid 19054] <... mprotect resumed>) = 0 [pid 19052] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19049] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19051] 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 19055] <... write resumed>) = 4 [pid 19054] 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 19052] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19049] <... futex resumed>) = 0 [pid 19055] close(3 [pid 19052] write(4, NULL, 126976 [pid 19049] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19055] <... close resumed>) = 0 [pid 19054] <... clone resumed>, parent_tid=[19057], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 19057 [pid 19053] <... mount resumed>) = -1 EFAULT (Bad address) [pid 19052] <... write resumed>) = -1 EFAULT (Bad address) [pid 19051] <... clone resumed>, parent_tid=[19056], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 19056 [pid 19055] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19054] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19053] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19052] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19051] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19055] <... futex resumed>) = 0 [pid 19054] <... futex resumed>) = 0 [pid 19053] <... futex resumed>) = 1 [pid 19052] <... futex resumed>) = 1 [pid 19051] <... futex resumed>) = 0 [pid 19050] <... futex resumed>) = 0 [pid 19049] <... futex resumed>) = 0 ./strace-static-x86_64: Process 19056 attached [pid 19055] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 19054] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 19053] write(4, NULL, 126976 [pid 19052] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19051] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 19050] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19049] exit_group(0 [pid 19056] set_robust_list(0x7fe89d1609e0, 24 [pid 19055] <... mmap resumed>) = 0x7fe89d140000 [pid 19053] <... write resumed>) = -1 EFAULT (Bad address) [pid 19052] <... futex resumed>) = ? [pid 19050] <... futex resumed>) = 0 [pid 19049] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 19057 attached [pid 19056] <... set_robust_list resumed>) = 0 [pid 19055] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 19053] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19052] +++ exited with 0 +++ [pid 19050] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19049] +++ exited with 0 +++ [pid 19057] set_robust_list(0x7fe89d1609e0, 24 [pid 19056] mkdir("./file0", 0777 [pid 19055] <... mprotect resumed>) = 0 [pid 19053] <... futex resumed>) = 0 [pid 19050] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19049, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 19057] <... set_robust_list resumed>) = 0 [pid 19056] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 19055] 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 19053] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19050] exit_group(0 [pid 19056] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 19053] <... futex resumed>) = ? [pid 19050] <... exit_group resumed>) = ? [pid 19057] mkdir("./file0", 0777 [pid 19056] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19055] <... clone resumed>, parent_tid=[19058], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 19058 [pid 19053] +++ exited with 0 +++ [pid 19050] +++ exited with 0 +++ [pid 19057] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 19056] <... futex resumed>) = 1 [pid 19055] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19051] <... futex resumed>) = 0 [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19050, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 19057] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 19056] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19055] <... futex resumed>) = 0 [pid 19051] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19057] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19056] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19055] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 19051] <... futex resumed>) = 0 [pid 3613] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 19057] <... futex resumed>) = 1 [pid 19056] pipe2( [pid 19054] <... futex resumed>) = 0 [pid 19051] futex(0x7fe89d2384cc, 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 19057] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19056] <... pipe2 resumed>[3, 4], 0) = 0 [pid 19054] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3613] ioctl(3, LOOP_CLR_FD [pid 3611] <... openat resumed>) = 3 ./strace-static-x86_64: Process 19058 attached [pid 19057] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19056] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19054] <... futex resumed>) = 0 [pid 3613] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3611] ioctl(3, LOOP_CLR_FD [pid 19058] set_robust_list(0x7fe89d1609e0, 24 [pid 19057] pipe2( [pid 19056] <... futex resumed>) = 1 [pid 19054] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19051] <... futex resumed>) = 0 [pid 3613] close(3 [pid 3611] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 19058] <... set_robust_list resumed>) = 0 [pid 19057] <... pipe2 resumed>[3, 4], 0) = 0 [pid 19056] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19051] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3613] <... close resumed>) = 0 [pid 3611] close(3 [pid 19058] mkdir("./file0", 0777 [pid 19056] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3611] <... close resumed>) = 0 [pid 19058] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 19056] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 19058] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 19057] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19051] <... futex resumed>) = 0 [pid 3613] <... clone resumed>, child_tidptr=0x55555697d6d0) = 19059 [pid 19058] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19057] <... futex resumed>) = 1 [pid 19054] <... futex resumed>) = 0 [pid 19051] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3611] <... clone resumed>, child_tidptr=0x55555697d6d0) = 19060 ./strace-static-x86_64: Process 19059 attached [pid 19058] <... futex resumed>) = 1 [pid 19057] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19055] <... futex resumed>) = 0 [pid 19054] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19058] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19057] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19055] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19054] <... futex resumed>) = 0 [pid 19058] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19057] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 19056] <... mount resumed>) = -1 EFAULT (Bad address) [pid 19055] <... futex resumed>) = 0 [pid 19054] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19058] pipe2( [pid 19056] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19055] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19058] <... pipe2 resumed>[3, 4], 0) = 0 [pid 19056] <... futex resumed>) = 1 [pid 19058] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19056] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19051] <... futex resumed>) = 0 [pid 19059] set_robust_list(0x55555697d6e0, 24 [pid 19058] <... futex resumed>) = 1 [pid 19055] <... futex resumed>) = 0 [pid 19051] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19059] <... set_robust_list resumed>) = 0 [pid 19058] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19056] <... futex resumed>) = 0 [pid 19055] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19051] <... futex resumed>) = 1 [pid 19059] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 19058] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19056] write(4, NULL, 126976 [pid 19055] <... futex resumed>) = 0 [pid 19051] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19059] <... prctl resumed>) = 0 [pid 19058] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 19056] <... write resumed>) = -1 EFAULT (Bad address) [pid 19055] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19059] setpgid(0, 0) = 0 [pid 19056] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19059] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 19056] <... futex resumed>) = 1 [pid 19051] <... futex resumed>) = 0 [pid 19059] write(3, "1000", 4 [pid 19056] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19059] <... write resumed>) = 4 [pid 19051] exit_group(0 [pid 19059] close(3 [pid 19056] <... futex resumed>) = ? [pid 19051] <... exit_group resumed>) = ? [pid 19059] <... close resumed>) = 0 [pid 19059] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19056] +++ exited with 0 +++ [pid 19059] <... futex resumed>) = 0 [pid 19059] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe89d140000 [pid 19059] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 19059] 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 19051] +++ exited with 0 +++ [pid 3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19051, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 19059] <... clone resumed>, parent_tid=[19061], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 19061 [pid 19059] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 19059] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000}./strace-static-x86_64: Process 19061 attached [pid 3609] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 3609] ioctl(3, LOOP_CLR_FD [pid 19061] set_robust_list(0x7fe89d1609e0, 24 [pid 3609] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3609] close(3 [pid 19061] <... set_robust_list resumed>) = 0 [pid 3609] <... close resumed>) = 0 ./strace-static-x86_64: Process 19060 attached [pid 19061] mkdir("./file0", 0777 [pid 19060] set_robust_list(0x55555697d6e0, 24 [pid 19057] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 19057] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19060] <... set_robust_list resumed>) = 0 [pid 19057] <... futex resumed>) = 1 [pid 19054] <... futex resumed>) = 0 [pid 3609] <... clone resumed>, child_tidptr=0x55555697d6d0) = 19062 [pid 19061] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 19060] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 19057] write(4, NULL, 126976 [pid 19054] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19061] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 19060] <... prctl resumed>) = 0 [pid 19057] <... write resumed>) = -1 EFAULT (Bad address) [pid 19054] <... futex resumed>) = 0 [pid 19061] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19060] setpgid(0, 0 [pid 19058] <... mount resumed>) = -1 EFAULT (Bad address) [pid 19057] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19054] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19061] <... futex resumed>) = 1 [pid 19060] <... setpgid resumed>) = 0 [pid 19059] <... futex resumed>) = 0 [pid 19058] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19057] <... futex resumed>) = 0 [pid 19054] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ./strace-static-x86_64: Process 19062 attached [pid 19061] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19060] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 19059] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19058] <... futex resumed>) = 1 [pid 19057] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19055] <... futex resumed>) = 0 [pid 19054] exit_group(0 [pid 19062] set_robust_list(0x55555697d6e0, 24 [pid 19061] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19060] <... openat resumed>) = 3 [pid 19059] <... futex resumed>) = 0 [pid 19058] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19057] <... futex resumed>) = ? [pid 19055] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19054] <... exit_group resumed>) = ? [pid 19062] <... set_robust_list resumed>) = 0 [pid 19061] pipe2( [pid 19060] write(3, "1000", 4 [pid 19059] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19058] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19057] +++ exited with 0 +++ [pid 19061] <... pipe2 resumed>[3, 4], 0) = 0 [pid 19060] <... write resumed>) = 4 [pid 19055] <... futex resumed>) = 0 [pid 19062] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 19061] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19060] close(3 [pid 19058] write(4, NULL, 126976 [pid 19055] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19054] +++ exited with 0 +++ [pid 19062] <... prctl resumed>) = 0 [pid 19061] <... futex resumed>) = 1 [pid 19060] <... close resumed>) = 0 [pid 19059] <... futex resumed>) = 0 [pid 19058] <... write resumed>) = -1 EFAULT (Bad address) [pid 19062] setpgid(0, 0 [pid 19061] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19060] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19059] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19058] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3612] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19054, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 19062] <... setpgid resumed>) = 0 [pid 19061] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19060] <... futex resumed>) = 0 [pid 19059] <... futex resumed>) = 0 [pid 19058] <... futex resumed>) = 1 [pid 19055] <... futex resumed>) = 0 [pid 3612] restart_syscall(<... resuming interrupted clone ...> [pid 19062] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 19061] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 19060] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 19059] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19058] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19055] exit_group(0 [pid 3612] <... restart_syscall resumed>) = 0 [pid 19062] <... openat resumed>) = 3 [pid 19060] <... mmap resumed>) = 0x7fe89d140000 [pid 19058] <... futex resumed>) = ? [pid 19055] <... exit_group resumed>) = ? [pid 19062] write(3, "1000", 4 [pid 19060] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 19058] +++ exited with 0 +++ [pid 19055] +++ exited with 0 +++ [pid 19062] <... write resumed>) = 4 [pid 19061] <... mount resumed>) = -1 EFAULT (Bad address) [pid 19060] <... mprotect resumed>) = 0 [pid 3612] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19055, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 19062] close(3 [pid 19061] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19060] 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 19062] <... close resumed>) = 0 [pid 19061] <... futex resumed>) = 1 [pid 19059] <... futex resumed>) = 0 [pid 3612] ioctl(3, LOOP_CLR_FD [pid 3610] restart_syscall(<... resuming interrupted clone ...> [pid 19062] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19061] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19060] <... clone resumed>, parent_tid=[19063], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 19063 [pid 19059] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3612] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3610] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 19063 attached [pid 19062] <... futex resumed>) = 0 [pid 19061] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19060] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19059] <... futex resumed>) = 0 [pid 3612] close(3 [pid 19063] set_robust_list(0x7fe89d1609e0, 24 [pid 19062] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 19061] write(4, NULL, 126976 [pid 19060] <... futex resumed>) = 0 [pid 19059] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3612] <... close resumed>) = 0 [pid 19063] <... set_robust_list resumed>) = 0 [pid 19062] <... mmap resumed>) = 0x7fe89d140000 [pid 19061] <... write resumed>) = -1 EFAULT (Bad address) [pid 19060] 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 19063] mkdir("./file0", 0777 [pid 19062] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 19061] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19063] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 19062] <... mprotect resumed>) = 0 [pid 19063] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 19062] 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 19061] <... futex resumed>) = 1 [pid 19059] <... futex resumed>) = 0 [pid 3610] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 19063] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19061] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19059] exit_group(0 [pid 3612] <... clone resumed>, child_tidptr=0x55555697d6d0) = 19064 [pid 19063] <... futex resumed>) = 1 [pid 19062] <... clone resumed>, parent_tid=[19065], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 19065 [pid 19061] <... futex resumed>) = ? [pid 19060] <... futex resumed>) = 0 [pid 19059] <... exit_group resumed>) = ? [pid 3610] <... openat resumed>) = 3 [pid 19063] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19062] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19061] +++ exited with 0 +++ [pid 19060] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 19064 attached [pid 19063] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19062] <... futex resumed>) = 0 [pid 19064] set_robust_list(0x55555697d6e0, 24 [pid 19063] pipe2( [pid 19062] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 19059] +++ exited with 0 +++ ./strace-static-x86_64: Process 19065 attached [pid 19064] <... set_robust_list resumed>) = 0 [pid 19063] <... pipe2 resumed>[3, 4], 0) = 0 [pid 19060] <... futex resumed>) = 0 [pid 3610] ioctl(3, LOOP_CLR_FD [pid 19064] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 19063] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19060] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19059, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3610] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 19064] <... prctl resumed>) = 0 [pid 19063] <... futex resumed>) = 0 [pid 19060] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3613] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 3610] close(3 [pid 19065] set_robust_list(0x7fe89d1609e0, 24 [pid 19064] setpgid(0, 0 [pid 19063] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19060] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3613] <... openat resumed>) = 3 [pid 3610] <... close resumed>) = 0 [pid 19065] <... set_robust_list resumed>) = 0 [pid 19064] <... setpgid resumed>) = 0 [pid 19063] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19060] <... futex resumed>) = 0 [pid 3613] ioctl(3, LOOP_CLR_FD [pid 19065] mkdir("./file0", 0777 [pid 19064] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 19063] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 19060] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3613] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 19065] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 19064] <... openat resumed>) = 3 [pid 3613] close(3 [pid 19064] write(3, "1000", 4 [pid 3613] <... close resumed>) = 0 [pid 19065] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 19064] <... write resumed>) = 4 [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19067 attached ./strace-static-x86_64: Process 19066 attached [pid 19065] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19064] close(3 [pid 3610] <... clone resumed>, child_tidptr=0x55555697d6d0) = 19066 [pid 19064] <... close resumed>) = 0 [pid 3613] <... clone resumed>, child_tidptr=0x55555697d6d0) = 19067 [pid 19064] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 19065] <... futex resumed>) = 1 [pid 19064] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 19063] <... mount resumed>) = -1 EFAULT (Bad address) [pid 19062] <... futex resumed>) = 0 [pid 19065] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19064] <... mmap resumed>) = 0x7fe89d140000 [pid 19063] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19062] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19066] set_robust_list(0x55555697d6e0, 24 [pid 19065] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19064] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 19063] <... futex resumed>) = 1 [pid 19062] <... futex resumed>) = 0 [pid 19060] <... futex resumed>) = 0 [pid 19066] <... set_robust_list resumed>) = 0 [pid 19065] pipe2( [pid 19064] <... mprotect resumed>) = 0 [pid 19063] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19062] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19060] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19066] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 19065] <... pipe2 resumed>[3, 4], 0) = 0 [pid 19064] 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 19063] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19060] <... futex resumed>) = 0 [pid 19067] set_robust_list(0x55555697d6e0, 24 [pid 19066] <... prctl resumed>) = 0 [pid 19065] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19063] write(4, NULL, 126976 [pid 19060] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19067] <... set_robust_list resumed>) = 0 [pid 19066] setpgid(0, 0 [pid 19065] <... futex resumed>) = 1 [pid 19063] <... write resumed>) = -1 EFAULT (Bad address) [pid 19062] <... futex resumed>) = 0 [pid 19067] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 19066] <... setpgid resumed>) = 0 [pid 19065] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19064] <... clone resumed>, parent_tid=[19068], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 19068 [pid 19063] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19062] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 19068 attached [pid 19067] <... prctl resumed>) = 0 [pid 19066] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 19065] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19064] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19063] <... futex resumed>) = 1 [pid 19062] <... futex resumed>) = 0 [pid 19060] <... futex resumed>) = 0 [pid 19068] set_robust_list(0x7fe89d1609e0, 24 [pid 19066] <... openat resumed>) = 3 [pid 19064] <... futex resumed>) = 0 [pid 19062] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19065] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 19068] <... set_robust_list resumed>) = 0 [pid 19067] setpgid(0, 0 [pid 19066] write(3, "1000", 4 [pid 19064] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 19063] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19060] exit_group(0 [pid 19068] mkdir("./file0", 0777 [pid 19063] <... futex resumed>) = ? [pid 19060] <... exit_group resumed>) = ? [pid 19068] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 19068] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 19068] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 19064] <... futex resumed>) = 0 [pid 19068] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19064] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19068] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19064] <... futex resumed>) = 0 [pid 19068] pipe2( [pid 19064] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19068] <... pipe2 resumed>[3, 4], 0) = 0 [pid 19063] +++ exited with 0 +++ [pid 19066] <... write resumed>) = 4 [pid 19060] +++ exited with 0 +++ [pid 19068] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19066] close(3 [pid 19067] <... setpgid resumed>) = 0 [pid 19066] <... close resumed>) = 0 [pid 19068] <... futex resumed>) = 1 [pid 19067] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 19066] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19064] <... futex resumed>) = 0 [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19060, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 19067] <... openat resumed>) = 3 [pid 19066] <... futex resumed>) = 0 [pid 19067] write(3, "1000", 4 [pid 19066] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 19064] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 19068] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 19067] <... write resumed>) = 4 [pid 19066] <... mmap resumed>) = 0x7fe89d140000 [pid 19064] <... futex resumed>) = 0 [pid 3611] <... openat resumed>) = 3 [pid 19067] close(3 [pid 19066] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 19064] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3611] ioctl(3, LOOP_CLR_FD [pid 19067] <... close resumed>) = 0 [pid 19066] <... mprotect resumed>) = 0 [pid 3611] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 19065] <... mount resumed>) = -1 EFAULT (Bad address) [pid 19068] <... mount resumed>) = -1 EFAULT (Bad address) [pid 19067] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19066] 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 19065] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] close(3 [pid 19068] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19067] <... futex resumed>) = 0 [pid 19065] <... futex resumed>) = 1 [pid 19062] <... futex resumed>) = 0 [pid 3611] <... close resumed>) = 0 [pid 19068] <... futex resumed>) = 1 [pid 19067] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 19066] <... clone resumed>, parent_tid=[19069], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 19069 [pid 19065] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19064] <... futex resumed>) = 0 [pid 19062] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19069 attached ./strace-static-x86_64: Process 19070 attached [pid 19068] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19067] <... mmap resumed>) = 0x7fe89d140000 [pid 19066] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19065] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19064] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19062] <... futex resumed>) = 0 [pid 19070] set_robust_list(0x55555697d6e0, 24 [pid 19069] set_robust_list(0x7fe89d1609e0, 24 [pid 19068] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19067] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 19066] <... futex resumed>) = 0 [pid 19065] write(4, NULL, 126976 [pid 19064] <... futex resumed>) = 0 [pid 19062] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3611] <... clone resumed>, child_tidptr=0x55555697d6d0) = 19070 [pid 19070] <... set_robust_list resumed>) = 0 [pid 19068] write(4, NULL, 126976 [pid 19067] <... mprotect resumed>) = 0 [pid 19066] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 19065] <... write resumed>) = -1 EFAULT (Bad address) [pid 19069] <... set_robust_list resumed>) = 0 [pid 19064] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19070] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 19069] mkdir("./file0", 0777 [pid 19068] <... write resumed>) = -1 EFAULT (Bad address) [pid 19067] 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 19065] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 19071 attached [pid 19070] <... prctl resumed>) = 0 [pid 19069] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 19068] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19065] <... futex resumed>) = 1 [pid 19062] <... futex resumed>) = 0 [pid 19070] setpgid(0, 0 [pid 19069] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 19068] <... futex resumed>) = 1 [pid 19067] <... clone resumed>, parent_tid=[19071], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 19071 [pid 19065] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19064] <... futex resumed>) = 0 [pid 19062] exit_group(0 [pid 19070] <... setpgid resumed>) = 0 [pid 19069] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19068] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19067] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19065] <... futex resumed>) = ? [pid 19064] exit_group(0 [pid 19062] <... exit_group resumed>) = ? [pid 19071] set_robust_list(0x7fe89d1609e0, 24 [pid 19070] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 19069] <... futex resumed>) = 1 [pid 19068] <... futex resumed>) = ? [pid 19067] <... futex resumed>) = 0 [pid 19066] <... futex resumed>) = 0 [pid 19065] +++ exited with 0 +++ [pid 19064] <... exit_group resumed>) = ? [pid 19071] <... set_robust_list resumed>) = 0 [pid 19070] <... openat resumed>) = 3 [pid 19069] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19068] +++ exited with 0 +++ [pid 19067] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 19066] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19062] +++ exited with 0 +++ [pid 19071] mkdir("./file0", 0777 [pid 19070] write(3, "1000", 4 [pid 19069] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19066] <... futex resumed>) = 0 [pid 19064] +++ exited with 0 +++ [pid 3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19062, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 19071] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 19070] <... write resumed>) = 4 [pid 19069] pipe2( [pid 19066] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19071] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 19070] close(3 [pid 19069] <... pipe2 resumed>[3, 4], 0) = 0 [pid 3612] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19064, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 19071] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19070] <... close resumed>) = 0 [pid 19069] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3612] restart_syscall(<... resuming interrupted clone ...> [pid 19071] <... futex resumed>) = 1 [pid 19070] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19069] <... futex resumed>) = 1 [pid 19067] <... futex resumed>) = 0 [pid 19066] <... futex resumed>) = 0 [pid 3612] <... restart_syscall resumed>) = 0 [pid 19071] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19070] <... futex resumed>) = 0 [pid 19069] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19067] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19066] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19071] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19070] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 19069] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19067] <... futex resumed>) = 0 [pid 19066] <... futex resumed>) = 0 [pid 19071] pipe2( [pid 19070] <... mmap resumed>) = 0x7fe89d140000 [pid 19069] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 19067] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19066] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3612] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3609] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 19071] <... pipe2 resumed>[3, 4], 0) = 0 [pid 19070] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 3612] <... openat resumed>) = 3 [pid 19071] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19070] <... mprotect resumed>) = 0 [pid 3612] ioctl(3, LOOP_CLR_FD [pid 3609] <... openat resumed>) = 3 [pid 19071] <... futex resumed>) = 1 [pid 19070] 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 19067] <... futex resumed>) = 0 [pid 3612] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3609] ioctl(3, LOOP_CLR_FD [pid 19071] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19067] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3612] close(3 [pid 3609] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 19071] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19070] <... clone resumed>, parent_tid=[19072], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 19072 [pid 19067] <... futex resumed>) = 0 [pid 3612] <... close resumed>) = 0 [pid 3609] close(3./strace-static-x86_64: Process 19072 attached [pid 19071] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 19070] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19067] 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 [pid 3609] <... close resumed>) = 0 [pid 19069] <... mount resumed>) = -1 EFAULT (Bad address) [pid 19072] set_robust_list(0x7fe89d1609e0, 24 [pid 19070] <... futex resumed>) = 0 [pid 19069] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 19072] <... set_robust_list resumed>) = 0 [pid 19070] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 19069] <... futex resumed>) = 1 [pid 19066] <... futex resumed>) = 0 [pid 3612] <... clone resumed>, child_tidptr=0x55555697d6d0) = 19073 [pid 19072] mkdir("./file0", 0777 [pid 19069] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19066] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3609] <... clone resumed>, child_tidptr=0x55555697d6d0) = 19074 [pid 19072] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 19069] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19066] <... futex resumed>) = 0 [pid 19072] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 19069] write(4, NULL, 126976 [pid 19066] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19072] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19069] <... write resumed>) = -1 EFAULT (Bad address) [pid 19072] <... futex resumed>) = 1 [pid 19070] <... futex resumed>) = 0 [pid 19069] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19072] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19070] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19069] <... futex resumed>) = 1 [pid 19066] <... futex resumed>) = 0 [pid 19072] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19070] <... futex resumed>) = 0 [pid 19069] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19066] exit_group(0 [pid 19072] pipe2( [pid 19070] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19069] <... futex resumed>) = ? [pid 19066] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 19074 attached ./strace-static-x86_64: Process 19073 attached [pid 19072] <... pipe2 resumed>[3, 4], 0) = 0 [pid 19071] <... mount resumed>) = -1 EFAULT (Bad address) [pid 19069] +++ exited with 0 +++ [pid 19066] +++ exited with 0 +++ [pid 19074] set_robust_list(0x55555697d6e0, 24 [pid 19073] set_robust_list(0x55555697d6e0, 24 [pid 19072] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19071] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19074] <... set_robust_list resumed>) = 0 [pid 19072] <... futex resumed>) = 1 [pid 19070] <... futex resumed>) = 0 [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19066, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 19072] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19070] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3610] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 19072] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19070] <... futex resumed>) = 0 [pid 3610] <... openat resumed>) = 3 [pid 19072] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 19070] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3610] ioctl(3, LOOP_CLR_FD [pid 19074] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 19073] <... set_robust_list resumed>) = 0 [pid 19071] <... futex resumed>) = 1 [pid 19067] <... futex resumed>) = 0 [pid 3610] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 19074] <... prctl resumed>) = 0 [pid 19073] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 19071] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19067] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19074] setpgid(0, 0 [pid 19073] <... prctl resumed>) = 0 [pid 19071] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19067] <... futex resumed>) = 0 [pid 3610] close(3 [pid 19074] <... setpgid resumed>) = 0 [pid 19073] setpgid(0, 0 [pid 19072] <... mount resumed>) = -1 EFAULT (Bad address) [pid 19071] write(4, NULL, 126976 [pid 19067] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3610] <... close resumed>) = 0 [pid 19074] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 19073] <... setpgid resumed>) = 0 [pid 19072] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19071] <... write resumed>) = -1 EFAULT (Bad address) [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 19074] <... openat resumed>) = 3 [pid 19073] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 19071] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 19075 attached [pid 19074] write(3, "1000", 4 [pid 19072] <... futex resumed>) = 1 [pid 19070] <... futex resumed>) = 0 [pid 3610] <... clone resumed>, child_tidptr=0x55555697d6d0) = 19075 [pid 19075] set_robust_list(0x55555697d6e0, 24 [pid 19074] <... write resumed>) = 4 [pid 19073] <... openat resumed>) = 3 [pid 19072] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19071] <... futex resumed>) = 1 [pid 19070] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19067] <... futex resumed>) = 0 [pid 19075] <... set_robust_list resumed>) = 0 [pid 19074] close(3 [pid 19073] write(3, "1000", 4 [pid 19072] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19071] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19070] <... futex resumed>) = 0 [pid 19067] exit_group(0 [pid 19074] <... close resumed>) = 0 [pid 19073] <... write resumed>) = 4 [pid 19072] write(4, NULL, 126976 [pid 19071] <... futex resumed>) = ? [pid 19070] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19067] <... exit_group resumed>) = ? [pid 19075] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 19074] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19073] close(3 [pid 19072] <... write resumed>) = -1 EFAULT (Bad address) [pid 19071] +++ exited with 0 +++ [pid 19075] <... prctl resumed>) = 0 [pid 19074] <... futex resumed>) = 0 [pid 19073] <... close resumed>) = 0 [pid 19072] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19067] +++ exited with 0 +++ [pid 19075] setpgid(0, 0 [pid 19074] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 19073] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19072] <... futex resumed>) = 1 [pid 19070] <... futex resumed>) = 0 [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19067, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 19075] <... setpgid resumed>) = 0 [pid 19074] <... mmap resumed>) = 0x7fe89d140000 [pid 19073] <... futex resumed>) = 0 [pid 19072] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19070] exit_group(0 [pid 19075] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 19074] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 19073] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 19072] <... futex resumed>) = ? [pid 19070] <... exit_group resumed>) = ? [pid 19074] <... mprotect resumed>) = 0 [pid 19073] <... mmap resumed>) = 0x7fe89d140000 [pid 19072] +++ exited with 0 +++ [pid 3613] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 19074] 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 19073] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 3613] <... openat resumed>) = 3 [pid 19073] <... mprotect resumed>) = 0 [pid 19070] +++ exited with 0 +++ [pid 3613] ioctl(3, LOOP_CLR_FD [pid 19075] <... openat resumed>) = 3 [pid 19075] write(3, "1000", 4 [pid 19074] <... clone resumed>, parent_tid=[19076], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 19076 [pid 19073] 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 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19070, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 19075] <... write resumed>) = 4 [pid 19074] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3613] close(3./strace-static-x86_64: Process 19077 attached ./strace-static-x86_64: Process 19076 attached [pid 19075] close(3 [pid 19074] <... futex resumed>) = 0 [pid 19073] <... clone resumed>, parent_tid=[19077], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 19077 [pid 3613] <... close resumed>) = 0 [pid 19077] set_robust_list(0x7fe89d1609e0, 24 [pid 19076] set_robust_list(0x7fe89d1609e0, 24 [pid 19075] <... close resumed>) = 0 [pid 19074] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 19073] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 19077] <... set_robust_list resumed>) = 0 [pid 19076] <... set_robust_list resumed>) = 0 [pid 19075] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19073] <... futex resumed>) = 0 [pid 19077] mkdir("./file0", 0777 [pid 19076] mkdir("./file0", 0777 [pid 19075] <... futex resumed>) = 0 [pid 19073] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 3611] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 19077] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 19076] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 19075] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 19077] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 19076] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 19075] <... mmap resumed>) = 0x7fe89d140000 [pid 19077] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19076] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19075] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 19077] <... futex resumed>) = 0 [pid 19076] <... futex resumed>) = 1 [pid 19075] <... mprotect resumed>) = 0 [pid 19074] <... futex resumed>) = 0 [pid 19073] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3613] <... clone resumed>, child_tidptr=0x55555697d6d0) = 19078 [pid 3611] <... openat resumed>) = 3 ./strace-static-x86_64: Process 19078 attached [pid 19077] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19076] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19075] 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 19074] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19073] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] ioctl(3, LOOP_CLR_FD [pid 19078] set_robust_list(0x55555697d6e0, 24 [pid 19077] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19076] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19074] <... futex resumed>) = 0 [pid 19073] <... futex resumed>) = 0 [pid 3611] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 19078] <... set_robust_list resumed>) = 0 [pid 19077] pipe2( [pid 19076] pipe2( [pid 19075] <... clone resumed>, parent_tid=[19079], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 19079 [pid 19074] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19073] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3611] close(3 [pid 19078] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 19077] <... pipe2 resumed>[3, 4], 0) = 0 [pid 19076] <... pipe2 resumed>[3, 4], 0) = 0 [pid 19075] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] <... close resumed>) = 0 [pid 19078] <... prctl resumed>) = 0 [pid 19077] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19076] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19075] <... futex resumed>) = 0 [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19079 attached [pid 19078] setpgid(0, 0 [pid 19077] <... futex resumed>) = 1 [pid 19076] <... futex resumed>) = 1 [pid 19075] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 19074] <... futex resumed>) = 0 [pid 19073] <... futex resumed>) = 0 ./strace-static-x86_64: Process 19080 attached [pid 19078] <... setpgid resumed>) = 0 [pid 19077] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19076] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19074] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19073] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] <... clone resumed>, child_tidptr=0x55555697d6d0) = 19080 [pid 19079] set_robust_list(0x7fe89d1609e0, 24 [pid 19078] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 19077] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19076] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19074] <... futex resumed>) = 0 [pid 19073] <... futex resumed>) = 0 [pid 19080] set_robust_list(0x55555697d6e0, 24 [pid 19079] <... set_robust_list resumed>) = 0 [pid 19078] <... openat resumed>) = 3 [pid 19077] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 19076] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 19074] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19073] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19080] <... set_robust_list resumed>) = 0 [pid 19078] write(3, "1000", 4 [pid 19080] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 19078] <... write resumed>) = 4 [pid 19080] <... prctl resumed>) = 0 [pid 19078] close(3 [pid 19080] setpgid(0, 0 [pid 19078] <... close resumed>) = 0 [pid 19080] <... setpgid resumed>) = 0 [pid 19078] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19079] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 19078] <... futex resumed>) = 0 [pid 19080] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 19079] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 19078] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 19080] <... openat resumed>) = 3 [pid 19078] <... mmap resumed>) = 0x7fe89d140000 [pid 19080] write(3, "1000", 4 [pid 19078] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 19080] <... write resumed>) = 4 [pid 19078] <... mprotect resumed>) = 0 [pid 19080] close(3 [pid 19078] 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 19079] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19080] <... close resumed>) = 0 [pid 19080] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19078] <... clone resumed>, parent_tid=[19081], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 19081 [pid 19077] <... mount resumed>) = -1 EFAULT (Bad address) [pid 19080] <... futex resumed>) = 0 [pid 19078] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19080] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 19078] <... futex resumed>) = 0 [pid 19080] <... mmap resumed>) = 0x7fe89d140000 [pid 19078] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 19075] <... futex resumed>) = 0 [pid 19079] <... futex resumed>) = 1 [pid 19080] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 19077] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19076] <... mount resumed>) = -1 EFAULT (Bad address) [pid 19075] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19079] pipe2( [pid 19080] <... mprotect resumed>) = 0 [pid 19075] <... futex resumed>) = 0 [pid 19080] 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 19079] <... pipe2 resumed>[3, 4], 0) = 0 [pid 19077] <... futex resumed>) = 1 [pid 19076] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19075] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19073] <... futex resumed>) = 0 [pid 19079] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19077] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19076] <... futex resumed>) = 1 [pid 19075] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19074] <... futex resumed>) = 0 [pid 19073] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 19081 attached [pid 19080] <... clone resumed>, parent_tid=[19082], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 19082 [pid 19079] <... futex resumed>) = 0 [pid 19077] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19076] write(4, NULL, 126976 [pid 19075] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19074] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19073] <... futex resumed>) = 0 [pid 19081] set_robust_list(0x7fe89d1609e0, 24 [pid 19080] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19079] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 19077] write(4, NULL, 126976 [pid 19076] <... write resumed>) = -1 EFAULT (Bad address) [pid 19075] <... futex resumed>) = 0 [pid 19074] <... futex resumed>) = 0 [pid 19073] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19081] <... set_robust_list resumed>) = 0 [pid 19080] <... futex resumed>) = 0 [pid 19075] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19074] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19081] mkdir("./file0", 0777 [pid 19080] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 19077] <... write resumed>) = -1 EFAULT (Bad address) [pid 19076] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19074] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19081] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 19074] exit_group(0 [pid 19076] <... futex resumed>) = 230 [pid 19077] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19081] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 19074] <... exit_group resumed>) = ? [pid 19076] +++ exited with 0 +++ [pid 19081] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19077] <... futex resumed>) = 1 [pid 19073] <... futex resumed>) = 0 [pid 19081] <... futex resumed>) = 1 [pid 19078] <... futex resumed>) = 0 [pid 19081] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19078] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19081] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19078] <... futex resumed>) = 0 [pid 19081] pipe2( [pid 19078] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19074] +++ exited with 0 +++ [pid 19073] exit_group(0 [pid 19081] <... pipe2 resumed>[3, 4], 0) = 0 [pid 19073] <... exit_group resumed>) = ? [pid 19081] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19077] +++ exited with 0 +++ [pid 19081] <... futex resumed>) = 1 [pid 19078] <... futex resumed>) = 0 [pid 19081] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19078] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19081] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19078] <... futex resumed>) = 0 [pid 19081] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 19078] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19073] +++ exited with 0 +++ [pid 3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19074, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3612] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19073, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3609] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 3612] restart_syscall(<... resuming interrupted clone ...> [pid 3609] <... openat resumed>) = 3 [pid 3612] <... restart_syscall resumed>) = 0 [pid 3609] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 19082 attached ) = -1 ENXIO (No such device or address) [pid 3609] close(3 [pid 3612] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3609] <... close resumed>) = 0 [pid 3612] <... openat resumed>) = 3 [pid 3609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3612] ioctl(3, LOOP_CLR_FD [pid 19082] set_robust_list(0x7fe89d1609e0, 24) = 0 [pid 19082] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 19082] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3612] <... ioctl resumed>) = -1 ENXIO (No such device or address) ./strace-static-x86_64: Process 19083 attached [pid 19082] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19079] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3612] close(3 [pid 3609] <... clone resumed>, child_tidptr=0x55555697d6d0) = 19083 [pid 19083] set_robust_list(0x55555697d6e0, 24 [pid 19079] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3612] <... close resumed>) = 0 [pid 19083] <... set_robust_list resumed>) = 0 [pid 19082] <... futex resumed>) = 1 [pid 19081] <... mount resumed>) = -1 EFAULT (Bad address) [pid 19080] <... futex resumed>) = 0 [pid 19079] <... futex resumed>) = 1 [pid 19075] <... futex resumed>) = 0 [pid 3612] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 19083] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 19082] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19080] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19079] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19075] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19082] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19080] <... futex resumed>) = 0 [pid 19082] pipe2( [pid 19080] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19082] <... pipe2 resumed>[3, 4], 0) = 0 [pid 19081] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19079] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19075] <... futex resumed>) = 0 [pid 3612] <... clone resumed>, child_tidptr=0x55555697d6d0) = 19084 [pid 19082] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19079] write(4, NULL, 126976 [pid 19075] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19081] <... futex resumed>) = 1 [pid 19078] <... futex resumed>) = 0 [pid 19082] <... futex resumed>) = 1 [pid 19081] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19080] <... futex resumed>) = 0 [pid 19079] <... write resumed>) = -1 EFAULT (Bad address) [pid 19078] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 19084 attached [pid 19082] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19081] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19080] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19079] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19078] <... futex resumed>) = 0 [pid 19084] set_robust_list(0x55555697d6e0, 24 [pid 19083] <... prctl resumed>) = 0 [pid 19082] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19081] write(4, NULL, 126976 [pid 19080] <... futex resumed>) = 0 [pid 19079] <... futex resumed>) = 1 [pid 19078] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19075] <... futex resumed>) = 0 [pid 19084] <... set_robust_list resumed>) = 0 [pid 19083] setpgid(0, 0 [pid 19082] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 19081] <... write resumed>) = -1 EFAULT (Bad address) [pid 19080] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19079] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19075] exit_group(0 [pid 19084] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 19083] <... setpgid resumed>) = 0 [pid 19081] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19079] <... futex resumed>) = ? [pid 19075] <... exit_group resumed>) = ? [pid 19083] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 19081] <... futex resumed>) = 1 [pid 19079] +++ exited with 0 +++ [pid 19078] <... futex resumed>) = 0 [pid 19075] +++ exited with 0 +++ [pid 19083] <... openat resumed>) = 3 [pid 19081] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19075, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 19083] write(3, "1000", 4) = 4 [pid 19078] exit_group(0 [pid 19083] close(3 [pid 19081] <... futex resumed>) = ? [pid 19078] <... exit_group resumed>) = ? [pid 3610] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 19083] <... close resumed>) = 0 [pid 19081] +++ exited with 0 +++ [pid 3610] <... openat resumed>) = 3 [pid 19083] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3610] ioctl(3, LOOP_CLR_FD [pid 19083] <... futex resumed>) = 0 [pid 3610] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 19083] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 19078] +++ exited with 0 +++ [pid 3610] close(3 [pid 19083] <... mmap resumed>) = 0x7fe89d140000 [pid 3610] <... close resumed>) = 0 [pid 19083] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19078, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 19084] <... prctl resumed>) = 0 [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 19083] <... mprotect resumed>) = 0 [pid 3613] restart_syscall(<... resuming interrupted clone ...> [pid 19083] 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) = 19085 [pid 19083] <... clone resumed>, parent_tid=[19086], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 19086 [pid 19083] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 19083] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 3613] <... restart_syscall resumed>) = 0 [pid 3613] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 ./strace-static-x86_64: Process 19086 attached [pid 3613] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 3613] close(3) = 0 [pid 19086] set_robust_list(0x7fe89d1609e0, 24 [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 19086] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 19085 attached [pid 19086] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 19085] set_robust_list(0x55555697d6e0, 24 [pid 19086] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 19085] <... set_robust_list resumed>) = 0 [pid 3613] <... clone resumed>, child_tidptr=0x55555697d6d0) = 19087 [pid 19086] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19085] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 19084] setpgid(0, 0 [pid 19086] <... futex resumed>) = 1 [pid 19085] <... prctl resumed>) = 0 [pid 19084] <... setpgid resumed>) = 0 [pid 19083] <... futex resumed>) = 0 ./strace-static-x86_64: Process 19087 attached [pid 19086] pipe2( [pid 19085] setpgid(0, 0 [pid 19083] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19084] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 19087] set_robust_list(0x55555697d6e0, 24 [pid 19086] <... pipe2 resumed>[3, 4], 0) = 0 [pid 19085] <... setpgid resumed>) = 0 [pid 19083] <... futex resumed>) = 0 [pid 19082] <... mount resumed>) = -1 EFAULT (Bad address) [pid 19087] <... set_robust_list resumed>) = 0 [pid 19086] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19085] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 19083] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19087] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 19086] <... futex resumed>) = 0 [pid 19085] <... openat resumed>) = 3 [pid 19084] <... openat resumed>) = 3 [pid 19083] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19082] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19087] <... prctl resumed>) = 0 [pid 19086] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19085] write(3, "1000", 4 [pid 19084] write(3, "1000", 4 [pid 19083] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19082] <... futex resumed>) = 1 [pid 19080] <... futex resumed>) = 0 [pid 19087] setpgid(0, 0 [pid 19086] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19085] <... write resumed>) = 4 [pid 19084] <... write resumed>) = 4 [pid 19083] <... futex resumed>) = 0 [pid 19082] write(4, NULL, 126976 [pid 19080] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19087] <... setpgid resumed>) = 0 [pid 19086] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 19085] close(3 [pid 19084] close(3 [pid 19083] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19082] <... write resumed>) = -1 EFAULT (Bad address) [pid 19080] <... futex resumed>) = 0 [pid 19087] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 19085] <... close resumed>) = 0 [pid 19084] <... close resumed>) = 0 [pid 19087] <... openat resumed>) = 3 [pid 19085] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19082] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19080] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19084] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19087] write(3, "1000", 4 [pid 19085] <... futex resumed>) = 0 [pid 19084] <... futex resumed>) = 0 [pid 19082] <... futex resumed>) = 0 [pid 19080] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19087] <... write resumed>) = 4 [pid 19085] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 19084] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 19082] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19080] exit_group(0 [pid 19087] close(3 [pid 19085] <... mmap resumed>) = 0x7fe89d140000 [pid 19084] <... mmap resumed>) = 0x7fe89d140000 [pid 19082] <... futex resumed>) = ? [pid 19080] <... exit_group resumed>) = ? [pid 19087] <... close resumed>) = 0 [pid 19086] <... mount resumed>) = -1 EFAULT (Bad address) [pid 19085] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 19084] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 19082] +++ exited with 0 +++ [pid 19080] +++ exited with 0 +++ [pid 19087] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19086] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19085] <... mprotect resumed>) = 0 [pid 19084] <... mprotect resumed>) = 0 [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19080, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 19087] <... futex resumed>) = 0 [pid 19086] <... futex resumed>) = 1 [pid 19085] 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 19084] 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 19083] <... futex resumed>) = 0 ./strace-static-x86_64: Process 19088 attached [pid 19087] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 19086] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19083] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19088] set_robust_list(0x7fe89d1609e0, 24 [pid 19084] <... clone resumed>, parent_tid=[19088], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 19088 [pid 3611] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 19087] <... mmap resumed>) = 0x7fe89d140000 [pid 19086] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19085] <... clone resumed>, parent_tid=[19089], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 19089 [pid 19084] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19083] <... futex resumed>) = 0 [pid 3611] <... openat resumed>) = 3 [pid 19087] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 19086] write(4, NULL, 126976 [pid 19084] <... futex resumed>) = 0 [pid 3611] ioctl(3, LOOP_CLR_FD [pid 19084] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 3611] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3611] close(3) = 0 [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19089 attached ./strace-static-x86_64: Process 19090 attached [pid 19088] <... set_robust_list resumed>) = 0 [pid 19087] <... mprotect resumed>) = 0 [pid 19086] <... write resumed>) = -1 EFAULT (Bad address) [pid 19085] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19083] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3611] <... clone resumed>, child_tidptr=0x55555697d6d0) = 19090 [pid 19089] set_robust_list(0x7fe89d1609e0, 24 [pid 19088] mkdir("./file0", 0777 [pid 19089] <... set_robust_list resumed>) = 0 [pid 19087] 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 19086] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19085] <... futex resumed>) = 0 [pid 19083] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19089] mkdir("./file0", 0777 [pid 19088] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 19089] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 19089] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 19089] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 19089] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19090] set_robust_list(0x55555697d6e0, 24) = 0 [pid 19085] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 19086] <... futex resumed>) = 0 [pid 19090] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 19088] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 19086] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19085] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19083] exit_group(0 [pid 19090] <... prctl resumed>) = 0 [pid 19088] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19087] <... clone resumed>, parent_tid=[19091], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 19091 [pid 19086] <... futex resumed>) = ? [pid 19085] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19083] <... exit_group resumed>) = ? [pid 19090] setpgid(0, 0 [pid 19088] <... futex resumed>) = 1 [pid 19087] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19086] +++ exited with 0 +++ [pid 19084] <... futex resumed>) = 0 [pid 19090] <... setpgid resumed>) = 0 [pid 19084] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19090] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 19084] <... futex resumed>) = 0 [pid 19090] <... openat resumed>) = 3 [pid 19089] <... futex resumed>) = 0 [pid 19088] pipe2( [pid 19087] <... futex resumed>) = 0 [pid 19085] <... futex resumed>) = 1 [pid 19084] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19083] +++ exited with 0 +++ ./strace-static-x86_64: Process 19091 attached [pid 19090] write(3, "1000", 4 [pid 19089] pipe2( [pid 19090] <... write resumed>) = 4 [pid 19089] <... pipe2 resumed>[3, 4], 0) = 0 [pid 19090] close(3 [pid 19089] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19088] <... pipe2 resumed>[3, 4], 0) = 0 [pid 19087] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 19085] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19090] <... close resumed>) = 0 [pid 19089] <... futex resumed>) = 0 [pid 19088] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19085] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19083, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 19090] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19089] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19088] <... futex resumed>) = 1 [pid 19085] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19084] <... futex resumed>) = 0 [pid 3609] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 19090] <... futex resumed>) = 0 [pid 19089] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19088] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19085] <... futex resumed>) = 0 [pid 19084] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19090] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 19089] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 19088] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19085] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19084] <... futex resumed>) = 0 [pid 3609] <... openat resumed>) = 3 [pid 19091] set_robust_list(0x7fe89d1609e0, 24 [pid 19090] <... mmap resumed>) = 0x7fe89d140000 [pid 19088] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 19084] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3609] ioctl(3, LOOP_CLR_FD [pid 19091] <... set_robust_list resumed>) = 0 [pid 19090] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 3609] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 19091] mkdir("./file0", 0777 [pid 19090] <... mprotect resumed>) = 0 [pid 3609] close(3 [pid 19091] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 19090] 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 19091] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 19091] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19090] <... clone resumed>, parent_tid=[19092], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 19092 [pid 19091] <... futex resumed>) = 1 [pid 19090] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19087] <... futex resumed>) = 0 [pid 3609] <... clone resumed>, child_tidptr=0x55555697d6d0) = 19093 [pid 19091] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19087] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19091] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19087] <... futex resumed>) = 0 ./strace-static-x86_64: Process 19092 attached [pid 19091] pipe2( [pid 19087] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19090] <... futex resumed>) = 0 [pid 19092] set_robust_list(0x7fe89d1609e0, 24 [pid 19091] <... pipe2 resumed>[3, 4], 0) = 0 [pid 19090] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 19092] <... set_robust_list resumed>) = 0 [pid 19091] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19092] mkdir("./file0", 0777 [pid 19091] <... futex resumed>) = 1 [pid 19087] <... futex resumed>) = 0 [pid 19092] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 19091] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19087] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19088] <... mount resumed>) = -1 EFAULT (Bad address) [pid 19092] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 19091] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19087] <... futex resumed>) = 0 [pid 19092] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19091] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 19089] <... mount resumed>) = -1 EFAULT (Bad address) [pid 19088] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19087] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 19093 attached [pid 19092] <... futex resumed>) = 1 [pid 19091] <... mount resumed>) = -1 EFAULT (Bad address) [pid 19090] <... futex resumed>) = 0 [pid 19089] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19088] <... futex resumed>) = 1 [pid 19084] <... futex resumed>) = 0 [pid 19093] set_robust_list(0x55555697d6e0, 24 [pid 19092] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19091] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19090] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19089] <... futex resumed>) = 1 [pid 19088] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19085] <... futex resumed>) = 0 [pid 19084] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19093] <... set_robust_list resumed>) = 0 [pid 19092] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19091] <... futex resumed>) = 1 [pid 19090] <... futex resumed>) = 0 [pid 19089] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19088] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19087] <... futex resumed>) = 0 [pid 19085] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19084] <... futex resumed>) = 0 [pid 19093] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 19092] pipe2( [pid 19091] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19090] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19089] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19088] write(4, NULL, 126976 [pid 19087] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19085] <... futex resumed>) = 0 [pid 19084] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19093] <... prctl resumed>) = 0 [pid 19092] <... pipe2 resumed>[3, 4], 0) = 0 [pid 19091] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19089] write(4, NULL, 126976 [pid 19088] <... write resumed>) = -1 EFAULT (Bad address) [pid 19087] <... futex resumed>) = 0 [pid 19085] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19093] setpgid(0, 0 [pid 19092] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19091] write(4, NULL, 126976 [pid 19089] <... write resumed>) = -1 EFAULT (Bad address) [pid 19088] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19087] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19093] <... setpgid resumed>) = 0 [pid 19092] <... futex resumed>) = 1 [pid 19091] <... write resumed>) = -1 EFAULT (Bad address) [pid 19090] <... futex resumed>) = 0 [pid 19089] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19088] <... futex resumed>) = 1 [pid 19084] <... futex resumed>) = 0 [pid 19093] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 19092] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19091] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19090] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19089] <... futex resumed>) = 1 [pid 19088] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19085] <... futex resumed>) = 0 [pid 19084] exit_group(0 [pid 19093] <... openat resumed>) = 3 [pid 19092] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19091] <... futex resumed>) = 1 [pid 19090] <... futex resumed>) = 0 [pid 19089] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19088] <... futex resumed>) = ? [pid 19087] <... futex resumed>) = 0 [pid 19085] exit_group(0 [pid 19084] <... exit_group resumed>) = ? [pid 19093] write(3, "1000", 4 [pid 19092] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 19091] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19090] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19089] <... futex resumed>) = ? [pid 19088] +++ exited with 0 +++ [pid 19087] exit_group(0 [pid 19085] <... exit_group resumed>) = ? [pid 19084] +++ exited with 0 +++ [pid 19093] <... write resumed>) = 4 [pid 19093] close(3) = 0 [pid 19093] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 19089] +++ exited with 0 +++ [pid 19085] +++ exited with 0 +++ [pid 19087] <... exit_group resumed>) = ? [pid 3612] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19084, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 19091] <... futex resumed>) = ? [pid 19093] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe89d140000 [pid 19091] +++ exited with 0 +++ [pid 19093] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 19087] +++ exited with 0 +++ [pid 19093] 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 19094 attached [pid 19092] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19087, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3612] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19085, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 19094] set_robust_list(0x7fe89d1609e0, 24 [pid 19093] <... clone resumed>, parent_tid=[19094], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 19094 [pid 19092] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3613] restart_syscall(<... resuming interrupted clone ...> [pid 3612] <... openat resumed>) = 3 [pid 19094] <... set_robust_list resumed>) = 0 [pid 19093] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19092] <... futex resumed>) = 1 [pid 19090] <... futex resumed>) = 0 [pid 3613] <... restart_syscall resumed>) = 0 [pid 3612] ioctl(3, LOOP_CLR_FD [pid 19094] mkdir("./file0", 0777 [pid 19093] <... futex resumed>) = 0 [pid 19092] write(4, NULL, 126976 [pid 19090] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3612] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3610] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 19094] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 19093] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 19092] <... write resumed>) = -1 EFAULT (Bad address) [pid 19090] <... futex resumed>) = 0 [pid 3612] close(3 [pid 19094] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 19092] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19090] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3613] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 3612] <... close resumed>) = 0 [pid 3610] <... openat resumed>) = 3 [pid 19094] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19092] <... futex resumed>) = 0 [pid 19090] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3613] <... openat resumed>) = 3 [pid 3612] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3610] ioctl(3, LOOP_CLR_FD [pid 19094] <... futex resumed>) = 1 [pid 19093] <... futex resumed>) = 0 [pid 19092] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19090] exit_group(0 [pid 3613] ioctl(3, LOOP_CLR_FD [pid 19094] pipe2( [pid 19093] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19092] <... futex resumed>) = ? [pid 19090] <... exit_group resumed>) = ? [pid 3613] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3610] <... ioctl resumed>) = -1 ENXIO (No such device or address) ./strace-static-x86_64: Process 19095 attached [pid 19093] <... futex resumed>) = 0 [pid 19092] +++ exited with 0 +++ [pid 3613] close(3 [pid 19095] set_robust_list(0x55555697d6e0, 24 [pid 19094] <... pipe2 resumed>[3, 4], 0) = 0 [pid 19093] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19090] +++ exited with 0 +++ [pid 3613] <... close resumed>) = 0 [pid 3612] <... clone resumed>, child_tidptr=0x55555697d6d0) = 19095 [pid 3610] close(3 [pid 19095] <... set_robust_list resumed>) = 0 [pid 19094] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19093] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3610] <... close resumed>) = 0 [pid 19095] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 19094] <... futex resumed>) = 0 [pid 19093] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 19095] <... prctl resumed>) = 0 [pid 19094] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 19093] <... futex resumed>) = 0 [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19096 attached [pid 19095] setpgid(0, 0 [pid 19093] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19090, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3610] <... clone resumed>, child_tidptr=0x55555697d6d0) = 19096 [pid 19096] set_robust_list(0x55555697d6e0, 24 [pid 19095] <... setpgid resumed>) = 0 [pid 3613] <... clone resumed>, child_tidptr=0x55555697d6d0) = 19097 [pid 19096] <... set_robust_list resumed>) = 0 [pid 19095] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 19096] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3611] openat(AT_FDCWD, "/dev/loop2", O_RDWR./strace-static-x86_64: Process 19097 attached [pid 19096] <... prctl resumed>) = 0 [pid 19095] <... openat resumed>) = 3 [pid 19094] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3611] <... openat resumed>) = 3 [pid 19097] set_robust_list(0x55555697d6e0, 24 [pid 19096] setpgid(0, 0 [pid 19095] write(3, "1000", 4 [pid 19094] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] ioctl(3, LOOP_CLR_FD [pid 19097] <... set_robust_list resumed>) = 0 [pid 19096] <... setpgid resumed>) = 0 [pid 19095] <... write resumed>) = 4 [pid 19094] <... futex resumed>) = 1 [pid 19093] <... futex resumed>) = 0 [pid 3611] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 19097] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 19096] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 19095] close(3 [pid 19094] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19093] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] close(3 [pid 19097] <... prctl resumed>) = 0 [pid 19096] <... openat resumed>) = 3 [pid 19095] <... close resumed>) = 0 [pid 19094] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19093] <... futex resumed>) = 0 [pid 3611] <... close resumed>) = 0 [pid 19097] setpgid(0, 0 [pid 19096] write(3, "1000", 4 [pid 19095] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19094] write(4, NULL, 126976 [pid 19093] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 19097] <... setpgid resumed>) = 0 [pid 19096] <... write resumed>) = 4 [pid 19095] <... futex resumed>) = 0 [pid 19094] <... write resumed>) = -1 EFAULT (Bad address) [pid 19097] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 19095] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 19094] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19096] close(3./strace-static-x86_64: Process 19098 attached [pid 19097] <... openat resumed>) = 3 [pid 19096] <... close resumed>) = 0 [pid 19095] <... mmap resumed>) = 0x7fe89d140000 [pid 19094] <... futex resumed>) = 1 [pid 19093] <... futex resumed>) = 0 [pid 3611] <... clone resumed>, child_tidptr=0x55555697d6d0) = 19098 [pid 19097] write(3, "1000", 4 [pid 19096] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19095] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 19094] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19093] exit_group(0 [pid 19097] <... write resumed>) = 4 [pid 19096] <... futex resumed>) = 0 [pid 19095] <... mprotect resumed>) = 0 [pid 19094] <... futex resumed>) = ? [pid 19093] <... exit_group resumed>) = ? [pid 19098] set_robust_list(0x55555697d6e0, 24 [pid 19097] close(3 [pid 19096] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 19095] 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 19094] +++ exited with 0 +++ [pid 19098] <... set_robust_list resumed>) = 0 [pid 19097] <... close resumed>) = 0 [pid 19096] <... mmap resumed>) = 0x7fe89d140000 [pid 19093] +++ exited with 0 +++ [pid 19097] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19096] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 19095] <... clone resumed>, parent_tid=[19099], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 19099 [pid 19098] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 19097] <... futex resumed>) = 0 [pid 19096] <... mprotect resumed>) = 0 [pid 19095] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19093, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- ./strace-static-x86_64: Process 19099 attached [pid 19098] <... prctl resumed>) = 0 [pid 19097] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 19096] 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 19095] <... futex resumed>) = 0 [pid 3609] restart_syscall(<... resuming interrupted clone ...> [pid 19097] <... mmap resumed>) = 0x7fe89d140000 [pid 19095] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 3609] <... restart_syscall resumed>) = 0 [pid 19098] setpgid(0, 0 [pid 19097] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 19096] <... clone resumed>, parent_tid=[19100], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 19100 [pid 19099] set_robust_list(0x7fe89d1609e0, 24 [pid 19098] <... setpgid resumed>) = 0 [pid 19097] <... mprotect resumed>) = 0 [pid 19096] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19098] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 19097] 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 19096] <... futex resumed>) = 0 [pid 3609] openat(AT_FDCWD, "/dev/loop0", O_RDWR./strace-static-x86_64: Process 19100 attached [pid 19098] <... openat resumed>) = 3 [pid 19096] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 3609] <... openat resumed>) = 3 [pid 19100] set_robust_list(0x7fe89d1609e0, 24 [pid 19099] <... set_robust_list resumed>) = 0 [pid 19098] write(3, "1000", 4 [pid 19097] <... clone resumed>, parent_tid=[19101], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 19101 [pid 3609] ioctl(3, LOOP_CLR_FD [pid 19100] <... set_robust_list resumed>) = 0 [pid 19099] mkdir("./file0", 0777 [pid 19098] <... write resumed>) = 4 [pid 19097] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3609] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 19100] mkdir("./file0", 0777 [pid 19099] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 19098] close(3 [pid 19097] <... futex resumed>) = 0 [pid 3609] close(3 [pid 19100] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 19099] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 19098] <... close resumed>) = 0 [pid 19097] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 3609] <... close resumed>) = 0 ./strace-static-x86_64: Process 19101 attached [pid 19100] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 19101] set_robust_list(0x7fe89d1609e0, 24 [pid 19100] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19101] <... set_robust_list resumed>) = 0 [pid 19100] <... futex resumed>) = 1 [pid 19096] <... futex resumed>) = 0 [pid 3609] <... clone resumed>, child_tidptr=0x55555697d6d0) = 19102 [pid 19101] mkdir("./file0", 0777 [pid 19100] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19098] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19096] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19101] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 19100] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19098] <... futex resumed>) = 0 [pid 19096] <... futex resumed>) = 0 [pid 19101] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 19100] pipe2( [pid 19098] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 19096] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19101] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19100] <... pipe2 resumed>[3, 4], 0) = 0 [pid 19098] <... mmap resumed>) = 0x7fe89d140000 [pid 19101] <... futex resumed>) = 1 [pid 19100] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19099] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19098] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 19097] <... futex resumed>) = 0 [pid 19101] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19100] <... futex resumed>) = 1 [pid 19099] <... futex resumed>) = 1 [pid 19098] <... mprotect resumed>) = 0 [pid 19097] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19096] <... futex resumed>) = 0 [pid 19095] <... futex resumed>) = 0 [pid 19101] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19100] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19099] pipe2( [pid 19098] 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 19097] <... futex resumed>) = 0 [pid 19096] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19095] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19101] pipe2( [pid 19100] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19097] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19096] <... futex resumed>) = 0 [pid 19095] <... futex resumed>) = 0 [pid 19101] <... pipe2 resumed>[3, 4], 0) = 0 [pid 19100] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 19099] <... pipe2 resumed>[3, 4], 0) = 0 [pid 19098] <... clone resumed>, parent_tid=[19103], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 19103 [pid 19096] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19095] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19101] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 19103 attached ) = 1 [pid 19098] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19097] <... futex resumed>) = 0 [pid 19103] set_robust_list(0x7fe89d1609e0, 24 [pid 19101] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19099] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19098] <... futex resumed>) = 0 [pid 19097] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19103] <... set_robust_list resumed>) = 0 [pid 19101] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19099] <... futex resumed>) = 1 [pid 19098] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 19097] <... futex resumed>) = 0 [pid 19095] <... futex resumed>) = 0 [pid 19103] mkdir("./file0", 0777 [pid 19101] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 19099] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19097] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19095] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19103] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 19100] <... mount resumed>) = -1 EFAULT (Bad address) [pid 19099] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19095] <... futex resumed>) = 0 [pid 19103] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 19100] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19099] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 19095] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 19102 attached [pid 19103] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19100] <... futex resumed>) = 1 [pid 19096] <... futex resumed>) = 0 [pid 19103] <... futex resumed>) = 1 [pid 19100] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19098] <... futex resumed>) = 0 [pid 19103] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19098] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19096] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19103] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19100] <... futex resumed>) = 0 [pid 19098] <... futex resumed>) = 0 [pid 19096] <... futex resumed>) = 1 [pid 19103] pipe2( [pid 19100] write(4, NULL, 126976 [pid 19098] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19096] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19103] <... pipe2 resumed>[3, 4], 0) = 0 [pid 19100] <... write resumed>) = -1 EFAULT (Bad address) [pid 19103] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19100] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19103] <... futex resumed>) = 1 [pid 19100] <... futex resumed>) = 1 [pid 19098] <... futex resumed>) = 0 [pid 19096] <... futex resumed>) = 0 [pid 19103] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19100] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19098] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19103] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19098] <... futex resumed>) = 0 [pid 19096] exit_group(0 [pid 19103] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 19100] <... futex resumed>) = ? [pid 19098] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19096] <... exit_group resumed>) = ? [pid 19102] set_robust_list(0x55555697d6e0, 24 [pid 19100] +++ exited with 0 +++ [pid 19102] <... set_robust_list resumed>) = 0 [pid 19096] +++ exited with 0 +++ [pid 19102] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19096, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 19102] <... prctl resumed>) = 0 [pid 19101] <... mount resumed>) = -1 EFAULT (Bad address) [pid 19099] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3610] restart_syscall(<... resuming interrupted clone ...> [pid 19102] setpgid(0, 0 [pid 19101] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19099] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19102] <... setpgid resumed>) = 0 [pid 19101] <... futex resumed>) = 1 [pid 19099] <... futex resumed>) = 1 [pid 19097] <... futex resumed>) = 0 [pid 19095] <... futex resumed>) = 0 [pid 3610] <... restart_syscall resumed>) = 0 [pid 19102] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 19101] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19099] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19097] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19095] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19102] <... openat resumed>) = 3 [pid 19101] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19099] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19097] <... futex resumed>) = 0 [pid 19095] <... futex resumed>) = 0 [pid 19102] write(3, "1000", 4 [pid 19101] write(4, NULL, 126976 [pid 19099] write(4, NULL, 126976 [pid 19097] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19095] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19102] <... write resumed>) = 4 [pid 19101] <... write resumed>) = -1 EFAULT (Bad address) [pid 19099] <... write resumed>) = -1 EFAULT (Bad address) [pid 3610] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 19102] close(3 [pid 19101] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19099] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19102] <... close resumed>) = 0 [pid 19099] <... futex resumed>) = 1 [pid 3610] <... openat resumed>) = 3 [pid 19101] <... futex resumed>) = 1 [pid 19102] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19101] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19099] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19097] <... futex resumed>) = 0 [pid 19095] <... futex resumed>) = 0 [pid 3610] ioctl(3, LOOP_CLR_FD [pid 19102] <... futex resumed>) = 0 [pid 19102] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe89d140000 [pid 19102] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 19103] <... mount resumed>) = -1 EFAULT (Bad address) [pid 19102] <... mprotect resumed>) = 0 [pid 19095] exit_group(0 [pid 19097] exit_group(0 [pid 19103] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19102] 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 19099] <... futex resumed>) = ? [pid 19097] <... exit_group resumed>) = ? [pid 19101] <... futex resumed>) = ? [pid 19095] <... exit_group resumed>) = ? [pid 3610] <... ioctl resumed>) = -1 ENXIO (No such device or address) ./strace-static-x86_64: Process 19104 attached [pid 19103] <... futex resumed>) = 1 [pid 19099] +++ exited with 0 +++ [pid 19098] <... futex resumed>) = 0 [pid 19104] set_robust_list(0x7fe89d1609e0, 24 [pid 19102] <... clone resumed>, parent_tid=[19104], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 19104 [pid 19098] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19104] <... set_robust_list resumed>) = 0 [pid 19102] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19098] <... futex resumed>) = 0 [pid 19104] mkdir("./file0", 0777 [pid 19102] <... futex resumed>) = 0 [pid 19101] +++ exited with 0 +++ [pid 19098] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19097] +++ exited with 0 +++ [pid 19104] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 19102] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 19095] +++ exited with 0 +++ [pid 19103] write(4, NULL, 126976 [pid 3610] close(3 [pid 19104] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 19103] <... write resumed>) = -1 EFAULT (Bad address) [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19097, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3612] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19095, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3610] <... close resumed>) = 0 [pid 19104] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19103] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3613] restart_syscall(<... resuming interrupted clone ...> [pid 3612] restart_syscall(<... resuming interrupted clone ...> [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 19104] <... futex resumed>) = 1 [pid 19103] <... futex resumed>) = 1 [pid 19102] <... futex resumed>) = 0 [pid 19098] <... futex resumed>) = 0 [pid 3613] <... restart_syscall resumed>) = 0 [pid 3612] <... restart_syscall resumed>) = 0 [pid 19104] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19102] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19104] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19103] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19102] <... futex resumed>) = 0 [pid 19098] exit_group(0 [pid 19104] pipe2( [pid 19103] <... futex resumed>) = ? [pid 19102] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19098] <... exit_group resumed>) = ? [pid 3613] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 3612] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3610] <... clone resumed>, child_tidptr=0x55555697d6d0) = 19105 ./strace-static-x86_64: Process 19105 attached [pid 19104] <... pipe2 resumed>[3, 4], 0) = 0 [pid 19103] +++ exited with 0 +++ [pid 3613] <... openat resumed>) = 3 [pid 3612] <... openat resumed>) = 3 [pid 19104] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3613] ioctl(3, LOOP_CLR_FD [pid 3612] ioctl(3, LOOP_CLR_FD [pid 19104] <... futex resumed>) = 1 [pid 19102] <... futex resumed>) = 0 [pid 19098] +++ exited with 0 +++ [pid 3613] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3612] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 19104] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19102] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3613] close(3 [pid 3612] close(3 [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19098, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 19105] set_robust_list(0x55555697d6e0, 24 [pid 19104] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19102] <... futex resumed>) = 0 [pid 3613] <... close resumed>) = 0 [pid 19105] <... set_robust_list resumed>) = 0 [pid 19105] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 19105] setpgid(0, 0) = 0 [pid 19105] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 19105] write(3, "1000", 4) = 4 [pid 19105] close(3) = 0 [pid 19104] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 19102] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3612] <... close resumed>) = 0 [pid 19105] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 19105] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3612] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 19105] <... mmap resumed>) = 0x7fe89d140000 [pid 19105] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3613] <... clone resumed>, child_tidptr=0x55555697d6d0) = 19106 [pid 19105] 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] <... clone resumed>, child_tidptr=0x55555697d6d0) = 19107 [pid 3611] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 19105] <... clone resumed>, parent_tid=[19108], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 19108 ./strace-static-x86_64: Process 19106 attached [pid 19105] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] <... openat resumed>) = 3 [pid 19105] <... futex resumed>) = 0 [pid 19106] set_robust_list(0x55555697d6e0, 24 [pid 19105] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 19106] <... set_robust_list resumed>) = 0 [pid 19106] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 19106] setpgid(0, 0) = 0 [pid 19106] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 19106] write(3, "1000", 4) = 4 [pid 19106] close(3) = 0 [pid 19106] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 19106] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe89d140000 ./strace-static-x86_64: Process 19107 attached ./strace-static-x86_64: Process 19108 attached [pid 19106] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 3611] ioctl(3, LOOP_CLR_FD [pid 19106] <... mprotect resumed>) = 0 [pid 19104] <... mount resumed>) = -1 EFAULT (Bad address) [pid 19106] 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=[19109], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 19109 [pid 19106] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 19106] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000}./strace-static-x86_64: Process 19109 attached [pid 19109] set_robust_list(0x7fe89d1609e0, 24 [pid 19104] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 19108] set_robust_list(0x7fe89d1609e0, 24 [pid 19107] set_robust_list(0x55555697d6e0, 24 [pid 19104] <... futex resumed>) = 1 [pid 19102] <... futex resumed>) = 0 [pid 3611] close(3 [pid 19102] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] <... close resumed>) = 0 [pid 19108] <... set_robust_list resumed>) = 0 [pid 19107] <... set_robust_list resumed>) = 0 [pid 19104] write(4, NULL, 126976 [pid 19102] <... futex resumed>) = 0 [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 19108] mkdir("./file0", 0777 [pid 19104] <... write resumed>) = -1 EFAULT (Bad address) [pid 19102] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19109] <... set_robust_list resumed>) = 0 [pid 19107] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 19104] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19108] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 19107] <... prctl resumed>) = 0 [pid 19104] <... futex resumed>) = 1 [pid 19108] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 19102] <... futex resumed>) = 0 [pid 3611] <... clone resumed>, child_tidptr=0x55555697d6d0) = 19110 [pid 19109] mkdir("./file0", 0777 [pid 19107] setpgid(0, 0 [pid 19104] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19102] exit_group(0 [pid 19109] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 19108] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19107] <... setpgid resumed>) = 0 [pid 19102] <... exit_group resumed>) = ? [pid 19104] <... futex resumed>) = ? ./strace-static-x86_64: Process 19110 attached [pid 19109] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 19108] <... futex resumed>) = 1 [pid 19107] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 19105] <... futex resumed>) = 0 [pid 19109] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19105] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19109] <... futex resumed>) = 1 [pid 19106] <... futex resumed>) = 0 [pid 19105] <... futex resumed>) = 0 [pid 19104] +++ exited with 0 +++ [pid 19108] pipe2( [pid 19102] +++ exited with 0 +++ [pid 19110] set_robust_list(0x55555697d6e0, 24 [pid 19109] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19108] <... pipe2 resumed>[3, 4], 0) = 0 [pid 19107] <... openat resumed>) = 3 [pid 19106] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19105] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19102, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 19110] <... set_robust_list resumed>) = 0 [pid 19109] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19108] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19107] write(3, "1000", 4 [pid 19106] <... futex resumed>) = 0 [pid 19105] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3609] restart_syscall(<... resuming interrupted clone ...> [pid 19110] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 19109] pipe2( [pid 19108] <... futex resumed>) = 0 [pid 19107] <... write resumed>) = 4 [pid 19106] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19105] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3609] <... restart_syscall resumed>) = 0 [pid 19110] <... prctl resumed>) = 0 [pid 19109] <... pipe2 resumed>[3, 4], 0) = 0 [pid 19108] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 19107] close(3 [pid 19105] <... futex resumed>) = 0 [pid 19110] setpgid(0, 0 [pid 19109] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19107] <... close resumed>) = 0 [pid 19105] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19110] <... setpgid resumed>) = 0 [pid 19109] <... futex resumed>) = 1 [pid 19106] <... futex resumed>) = 0 [pid 3609] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 19110] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 19109] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19107] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19106] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3609] <... openat resumed>) = 3 [pid 19110] <... openat resumed>) = 3 [pid 19109] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19107] <... futex resumed>) = 0 [pid 19106] <... futex resumed>) = 0 [pid 3609] ioctl(3, LOOP_CLR_FD [pid 19110] write(3, "1000", 4 [pid 19109] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 19107] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 19106] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3609] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 19110] <... write resumed>) = 4 [pid 19107] <... mmap resumed>) = 0x7fe89d140000 [pid 3609] close(3 [pid 19110] close(3 [pid 19109] <... mount resumed>) = -1 EFAULT (Bad address) [pid 19107] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 3609] <... close resumed>) = 0 [pid 19110] <... close resumed>) = 0 [pid 19109] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 19110] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19109] <... futex resumed>) = 1 [pid 19106] <... futex resumed>) = 0 [pid 19110] <... futex resumed>) = 0 [pid 19109] write(4, NULL, 126976 [pid 19106] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3609] <... clone resumed>, child_tidptr=0x55555697d6d0) = 19111 [pid 19110] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 19109] <... write resumed>) = -1 EFAULT (Bad address) [pid 19106] <... futex resumed>) = 0 [pid 19110] <... mmap resumed>) = 0x7fe89d140000 [pid 19109] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19106] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19110] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 19109] <... futex resumed>) = 0 [pid 19106] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19110] <... mprotect resumed>) = 0 [pid 19109] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19106] exit_group(0 [pid 19110] 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 19109] <... futex resumed>) = ? [pid 19106] <... exit_group resumed>) = ? [pid 19109] +++ exited with 0 +++ [pid 19106] +++ exited with 0 +++ [pid 19110] <... clone resumed>, parent_tid=[19112], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 19112 [pid 19110] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 19110] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000}./strace-static-x86_64: Process 19111 attached [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19106, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 19107] <... mprotect resumed>) = 0 [pid 19107] 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=[19113], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 19113 [pid 19111] set_robust_list(0x55555697d6e0, 24 [pid 19107] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19111] <... set_robust_list resumed>) = 0 [pid 19107] <... futex resumed>) = 0 [pid 19107] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 19111] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 19111] setpgid(0, 0 [pid 3613] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 19111] <... setpgid resumed>) = 0 [pid 3613] <... openat resumed>) = 3 [pid 19111] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3613] ioctl(3, LOOP_CLR_FD [pid 19111] <... openat resumed>) = 3 [pid 3613] <... ioctl resumed>) = -1 ENXIO (No such device or address) ./strace-static-x86_64: Process 19113 attached [pid 19111] write(3, "1000", 4 [pid 3613] close(3 [pid 19113] set_robust_list(0x7fe89d1609e0, 24 [pid 19111] <... write resumed>) = 4 [pid 3613] <... close resumed>) = 0 [pid 19113] <... set_robust_list resumed>) = 0 [pid 19111] close(3 [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 19113] mkdir("./file0", 0777 [pid 19111] <... close resumed>) = 0 [pid 19113] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 19111] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19113] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 19111] <... futex resumed>) = 0 [pid 3613] <... clone resumed>, child_tidptr=0x55555697d6d0) = 19114 [pid 19113] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19111] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 19113] <... futex resumed>) = 1 [pid 19111] <... mmap resumed>) = 0x7fe89d140000 [pid 19107] <... futex resumed>) = 0 [pid 19113] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19111] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 19107] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 19114 attached [pid 19113] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19111] <... mprotect resumed>) = 0 [pid 19107] <... futex resumed>) = 0 [pid 19114] set_robust_list(0x55555697d6e0, 24 [pid 19113] pipe2( [pid 19111] 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 19107] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19114] <... set_robust_list resumed>) = 0 [pid 19113] <... pipe2 resumed>[3, 4], 0) = 0 [pid 19108] <... mount resumed>) = -1 EFAULT (Bad address) ./strace-static-x86_64: Process 19112 attached [pid 19114] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 19113] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19111] <... clone resumed>, parent_tid=[19115], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 19115 [pid 19108] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19114] <... prctl resumed>) = 0 [pid 19113] <... futex resumed>) = 1 [pid 19112] set_robust_list(0x7fe89d1609e0, 24 [pid 19111] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19108] <... futex resumed>) = 1 [pid 19107] <... futex resumed>) = 0 [pid 19105] <... futex resumed>) = 0 [pid 19114] setpgid(0, 0 [pid 19113] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19112] <... set_robust_list resumed>) = 0 [pid 19111] <... futex resumed>) = 0 [pid 19108] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19107] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19105] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19114] <... setpgid resumed>) = 0 [pid 19113] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19112] mkdir("./file0", 0777 [pid 19111] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 19108] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19107] <... futex resumed>) = 0 [pid 19105] <... futex resumed>) = 0 [pid 19114] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 19113] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 19112] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 19108] write(4, NULL, 126976 [pid 19107] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19105] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 19115 attached [pid 19114] <... openat resumed>) = 3 [pid 19113] <... mount resumed>) = -1 EFAULT (Bad address) [pid 19112] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 19108] <... write resumed>) = -1 EFAULT (Bad address) [pid 19115] set_robust_list(0x7fe89d1609e0, 24 [pid 19114] write(3, "1000", 4 [pid 19113] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19115] <... set_robust_list resumed>) = 0 [pid 19114] <... write resumed>) = 4 [pid 19113] <... futex resumed>) = 1 [pid 19112] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19108] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19115] mkdir("./file0", 0777 [pid 19114] close(3 [pid 19113] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19112] <... futex resumed>) = 1 [pid 19110] <... futex resumed>) = 0 [pid 19108] <... futex resumed>) = 1 [pid 19107] <... futex resumed>) = 0 [pid 19105] <... futex resumed>) = 0 [pid 19115] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 19114] <... close resumed>) = 0 [pid 19112] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19110] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19108] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19107] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19105] exit_group(0 [pid 19115] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 19114] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19113] <... futex resumed>) = 0 [pid 19112] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19110] <... futex resumed>) = 0 [pid 19108] <... futex resumed>) = ? [pid 19107] <... futex resumed>) = 1 [pid 19105] <... exit_group resumed>) = ? [pid 19115] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19114] <... futex resumed>) = 0 [pid 19113] write(4, NULL, 126976 [pid 19112] pipe2( [pid 19110] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19108] +++ exited with 0 +++ [pid 19115] <... futex resumed>) = 1 [pid 19114] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 19113] <... write resumed>) = -1 EFAULT (Bad address) [pid 19111] <... futex resumed>) = 0 [pid 19115] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19114] <... mmap resumed>) = 0x7fe89d140000 [pid 19113] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19111] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19105] +++ exited with 0 +++ [pid 19107] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19115] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19114] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 19113] <... futex resumed>) = 0 [pid 19112] <... pipe2 resumed>[3, 4], 0) = 0 [pid 19111] <... futex resumed>) = 0 [pid 19107] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19105, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 19115] pipe2( [pid 19114] <... mprotect resumed>) = 0 [pid 19113] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19112] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19111] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19107] exit_group(0 [pid 3610] restart_syscall(<... resuming interrupted clone ...> [pid 19115] <... pipe2 resumed>[3, 4], 0) = 0 [pid 19114] 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 19113] <... futex resumed>) = ? [pid 19112] <... futex resumed>) = 1 [pid 19110] <... futex resumed>) = 0 [pid 19107] <... exit_group resumed>) = ? [pid 3610] <... restart_syscall resumed>) = 0 [pid 19115] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19113] +++ exited with 0 +++ [pid 19112] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19110] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19115] <... futex resumed>) = 1 [pid 19114] <... clone resumed>, parent_tid=[19116], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 19116 [pid 19111] <... futex resumed>) = 0 [pid 19115] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19114] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19111] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19107] +++ exited with 0 +++ [pid 19112] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19110] <... futex resumed>) = 0 [pid 3610] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 19115] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19114] <... futex resumed>) = 0 [pid 19112] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 19111] <... futex resumed>) = 0 [pid 19110] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3612] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19107, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3610] <... openat resumed>) = 3 [pid 19115] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 19114] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 19111] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3610] ioctl(3, LOOP_CLR_FD [pid 3612] restart_syscall(<... resuming interrupted clone ...> [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./strace-static-x86_64: Process 19116 attached , child_tidptr=0x55555697d6d0) = 19117 [pid 19116] set_robust_list(0x7fe89d1609e0, 24) = 0 [pid 19116] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 19116] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 19116] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 19114] <... futex resumed>) = 0 [pid 19116] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19114] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19116] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19114] <... futex resumed>) = 0 [pid 3612] <... restart_syscall resumed>) = 0 [pid 19116] pipe2( [pid 19114] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19116] <... pipe2 resumed>[3, 4], 0) = 0 [pid 19116] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3612] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 19116] <... futex resumed>) = 1 [pid 19114] <... futex resumed>) = 0 [pid 19116] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19114] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3612] <... openat resumed>) = 3 ./strace-static-x86_64: Process 19117 attached [pid 19116] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19114] <... futex resumed>) = 0 [pid 19112] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3612] ioctl(3, LOOP_CLR_FD [pid 19116] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 19114] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19112] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3612] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 19117] set_robust_list(0x55555697d6e0, 24 [pid 19115] <... mount resumed>) = -1 EFAULT (Bad address) [pid 19115] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 19111] <... futex resumed>) = 0 [pid 19115] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19111] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19115] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19111] <... futex resumed>) = 0 [pid 19115] write(4, NULL, 126976 [pid 19111] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19115] <... write resumed>) = -1 EFAULT (Bad address) [pid 19115] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 19111] <... futex resumed>) = 0 [pid 19115] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19111] exit_group(0 [pid 19115] <... futex resumed>) = ? [pid 19111] <... exit_group resumed>) = ? [pid 19115] +++ exited with 0 +++ [pid 19111] +++ exited with 0 +++ [pid 3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19111, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3609] restart_syscall(<... resuming interrupted clone ...> [pid 19117] <... set_robust_list resumed>) = 0 [pid 19112] <... futex resumed>) = 1 [pid 19110] <... futex resumed>) = 0 [pid 3612] close(3 [pid 3609] <... restart_syscall resumed>) = 0 [pid 19117] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 19112] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19110] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3612] <... close resumed>) = 0 [pid 19117] <... prctl resumed>) = 0 [pid 19112] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19110] <... futex resumed>) = 0 [pid 3612] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 19117] setpgid(0, 0 [pid 19116] <... mount resumed>) = -1 EFAULT (Bad address) [pid 19112] write(4, NULL, 126976 [pid 19110] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19117] <... setpgid resumed>) = 0 [pid 19112] <... write resumed>) = -1 EFAULT (Bad address) [pid 3612] <... clone resumed>, child_tidptr=0x55555697d6d0) = 19118 [pid 3609] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 19117] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 19112] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19117] <... openat resumed>) = 3 [pid 19116] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19112] <... futex resumed>) = 1 [pid 19110] <... futex resumed>) = 0 [pid 3609] <... openat resumed>) = 3 [pid 19117] write(3, "1000", 4 [pid 19116] <... futex resumed>) = 1 [pid 19114] <... futex resumed>) = 0 [pid 19112] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19110] exit_group(0 [pid 3609] ioctl(3, LOOP_CLR_FD [pid 19117] <... write resumed>) = 4 [pid 19116] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19114] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19112] <... futex resumed>) = ? [pid 19110] <... exit_group resumed>) = ? [pid 3609] <... ioctl resumed>) = -1 ENXIO (No such device or address) ./strace-static-x86_64: Process 19118 attached [pid 19117] close(3 [pid 19116] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19114] <... futex resumed>) = 0 [pid 19112] +++ exited with 0 +++ [pid 3609] close(3 [pid 19118] set_robust_list(0x55555697d6e0, 24 [pid 19117] <... close resumed>) = 0 [pid 19116] write(4, NULL, 126976 [pid 19114] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19110] +++ exited with 0 +++ [pid 3609] <... close resumed>) = 0 [pid 19118] <... set_robust_list resumed>) = 0 [pid 19117] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19116] <... write resumed>) = -1 EFAULT (Bad address) [pid 3609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 19117] <... futex resumed>) = 0 [pid 19116] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19110, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 19117] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3611] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 19117] <... mmap resumed>) = 0x7fe89d140000 [pid 19116] <... futex resumed>) = 1 [pid 19114] <... futex resumed>) = 0 [pid 3611] <... openat resumed>) = 3 [pid 19118] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 19117] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 19116] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19114] exit_group(0 [pid 3611] ioctl(3, LOOP_CLR_FD [pid 19118] <... prctl resumed>) = 0 [pid 19117] <... mprotect resumed>) = 0 [pid 19116] <... futex resumed>) = ? [pid 19114] <... exit_group resumed>) = ? [pid 3611] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3609] <... clone resumed>, child_tidptr=0x55555697d6d0) = 19119 [pid 19117] 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 19116] +++ exited with 0 +++ [pid 3611] close(3) = 0 ./strace-static-x86_64: Process 19119 attached [pid 19117] <... clone resumed>, parent_tid=[19120], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 19120 [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 19119] set_robust_list(0x55555697d6e0, 24 [pid 19118] setpgid(0, 0 [pid 19117] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19114] +++ exited with 0 +++ [pid 19119] <... set_robust_list resumed>) = 0 [pid 19117] <... futex resumed>) = 0 [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19114, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 19118] <... setpgid resumed>) = 0 [pid 3611] <... clone resumed>, child_tidptr=0x55555697d6d0) = 19121 [pid 19119] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 19117] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 19119] <... prctl resumed>) = 0 [pid 19118] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 19119] setpgid(0, 0 [pid 3613] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 19119] <... setpgid resumed>) = 0 [pid 19118] <... openat resumed>) = 3 [pid 3613] <... openat resumed>) = 3 [pid 19119] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 19118] write(3, "1000", 4 [pid 3613] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 19120 attached [pid 19119] <... openat resumed>) = 3 [pid 19118] <... write resumed>) = 4 [pid 3613] <... ioctl resumed>) = -1 ENXIO (No such device or address) ./strace-static-x86_64: Process 19121 attached [pid 19120] set_robust_list(0x7fe89d1609e0, 24 [pid 19119] write(3, "1000", 4 [pid 19118] close(3 [pid 3613] close(3 [pid 19121] set_robust_list(0x55555697d6e0, 24 [pid 19120] <... set_robust_list resumed>) = 0 [pid 19119] <... write resumed>) = 4 [pid 19118] <... close resumed>) = 0 [pid 3613] <... close resumed>) = 0 [pid 19121] <... set_robust_list resumed>) = 0 [pid 19120] mkdir("./file0", 0777 [pid 19119] close(3 [pid 19118] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 19121] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 19120] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 19119] <... close resumed>) = 0 [pid 19118] <... futex resumed>) = 0 [pid 19121] <... prctl resumed>) = 0 [pid 19120] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 19119] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19118] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3613] <... clone resumed>, child_tidptr=0x55555697d6d0) = 19122 [pid 19121] setpgid(0, 0 [pid 19120] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19119] <... futex resumed>) = 0 [pid 19121] <... setpgid resumed>) = 0 [pid 19120] <... futex resumed>) = 1 [pid 19119] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 19117] <... futex resumed>) = 0 [pid 19121] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 19120] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19119] <... mmap resumed>) = 0x7fe89d140000 [pid 19118] <... mmap resumed>) = 0x7fe89d140000 [pid 19117] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19121] <... openat resumed>) = 3 [pid 19120] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19119] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 19118] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 19117] <... futex resumed>) = 0 [pid 19121] write(3, "1000", 4 [pid 19120] pipe2( [pid 19119] <... mprotect resumed>) = 0 [pid 19118] <... mprotect resumed>) = 0 [pid 19117] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 19122 attached [pid 19121] <... write resumed>) = 4 [pid 19120] <... pipe2 resumed>[3, 4], 0) = 0 [pid 19119] 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 19118] 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 19121] close(3 [pid 19120] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19122] set_robust_list(0x55555697d6e0, 24 [pid 19121] <... close resumed>) = 0 [pid 19120] <... futex resumed>) = 1 [pid 19119] <... clone resumed>, parent_tid=[19123], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 19123 [pid 19118] <... clone resumed>, parent_tid=[19124], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 19124 [pid 19117] <... futex resumed>) = 0 ./strace-static-x86_64: Process 19124 attached ./strace-static-x86_64: Process 19123 attached [pid 19122] <... set_robust_list resumed>) = 0 [pid 19121] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19120] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19119] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19118] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19117] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19124] set_robust_list(0x7fe89d1609e0, 24 [pid 19123] set_robust_list(0x7fe89d1609e0, 24 [pid 19122] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 19121] <... futex resumed>) = 0 [pid 19120] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19119] <... futex resumed>) = 0 [pid 19118] <... futex resumed>) = 0 [pid 19117] <... futex resumed>) = 0 [pid 19124] <... set_robust_list resumed>) = 0 [pid 19123] <... set_robust_list resumed>) = 0 [pid 19122] <... prctl resumed>) = 0 [pid 19121] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 19120] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 19119] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 19118] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 19117] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19124] mkdir("./file0", 0777 [pid 19123] mkdir("./file0", 0777 [pid 19122] setpgid(0, 0 [pid 19121] <... mmap resumed>) = 0x7fe89d140000 [pid 19124] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 19123] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 19122] <... setpgid resumed>) = 0 [pid 19121] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 19124] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 19123] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 19122] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 19121] <... mprotect resumed>) = 0 [pid 19124] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19123] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19122] <... openat resumed>) = 3 [pid 19121] 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 19124] <... futex resumed>) = 1 [pid 19123] <... futex resumed>) = 1 [pid 19122] write(3, "1000", 4 [pid 19119] <... futex resumed>) = 0 [pid 19118] <... futex resumed>) = 0 ./strace-static-x86_64: Process 19125 attached [pid 19124] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19123] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19122] <... write resumed>) = 4 [pid 19121] <... clone resumed>, parent_tid=[19125], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 19125 [pid 19120] <... mount resumed>) = -1 EFAULT (Bad address) [pid 19119] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19118] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19125] set_robust_list(0x7fe89d1609e0, 24 [pid 19124] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19123] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19122] close(3 [pid 19121] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19120] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19119] <... futex resumed>) = 0 [pid 19118] <... futex resumed>) = 0 [pid 19125] <... set_robust_list resumed>) = 0 [pid 19124] pipe2( [pid 19123] pipe2( [pid 19122] <... close resumed>) = 0 [pid 19121] <... futex resumed>) = 0 [pid 19120] <... futex resumed>) = 1 [pid 19119] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19118] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19117] <... futex resumed>) = 0 [pid 19125] mkdir("./file0", 0777 [pid 19124] <... pipe2 resumed>[3, 4], 0) = 0 [pid 19123] <... pipe2 resumed>[3, 4], 0) = 0 [pid 19122] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19121] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 19120] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19117] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19125] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 19124] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19123] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19122] <... futex resumed>) = 0 [pid 19120] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19117] <... futex resumed>) = 0 [pid 19125] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 19124] <... futex resumed>) = 1 [pid 19123] <... futex resumed>) = 1 [pid 19122] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 19120] write(4, NULL, 126976 [pid 19119] <... futex resumed>) = 0 [pid 19118] <... futex resumed>) = 0 [pid 19117] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19125] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19124] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19123] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19122] <... mmap resumed>) = 0x7fe89d140000 [pid 19120] <... write resumed>) = -1 EFAULT (Bad address) [pid 19119] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19118] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19125] <... futex resumed>) = 1 [pid 19124] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19123] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19122] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 19121] <... futex resumed>) = 0 [pid 19120] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19119] <... futex resumed>) = 0 [pid 19118] <... futex resumed>) = 0 [pid 19125] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19124] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 19123] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 19122] <... mprotect resumed>) = 0 [pid 19121] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19120] <... futex resumed>) = 1 [pid 19119] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19118] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19117] <... futex resumed>) = 0 [pid 19125] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19122] 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 19121] <... futex resumed>) = 0 [pid 19120] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19117] exit_group(0 [pid 19125] pipe2( [pid 19121] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19120] <... futex resumed>) = ? [pid 19117] <... exit_group resumed>) = ? [pid 19125] <... pipe2 resumed>[3, 4], 0) = 0 [pid 19120] +++ exited with 0 +++ [pid 19117] +++ exited with 0 +++ [pid 19125] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19122] <... clone resumed>, parent_tid=[19126], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 19126 [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19117, si_uid=0, si_status=0, si_utime=2, si_stime=1} --- [pid 19125] <... futex resumed>) = 1 [pid 19122] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19121] <... futex resumed>) = 0 [pid 19121] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 19125] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 19122] <... futex resumed>) = 0 [pid 19121] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3610] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 19126 attached [pid 19126] set_robust_list(0x7fe89d1609e0, 24 [pid 3610] <... restart_syscall resumed>) = 0 [pid 19126] <... set_robust_list resumed>) = 0 [pid 19126] mkdir("./file0", 0777 [pid 19122] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 19126] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 19126] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 19126] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19122] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19122] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19126] <... futex resumed>) = 0 [pid 3610] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 19126] pipe2( [pid 19122] <... futex resumed>) = 0 [pid 19126] <... pipe2 resumed>[3, 4], 0) = 0 [pid 19122] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3610] <... openat resumed>) = 3 [pid 19126] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 19126] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19122] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3610] ioctl(3, LOOP_CLR_FD [pid 19124] <... mount resumed>) = -1 EFAULT (Bad address) [pid 19122] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3610] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 19124] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19122] <... futex resumed>) = 1 [pid 3610] close(3 [pid 19124] <... futex resumed>) = 1 [pid 19122] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19118] <... futex resumed>) = 0 [pid 3610] <... close resumed>) = 0 [pid 19124] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19118] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 19124] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19118] <... futex resumed>) = 0 [pid 19124] write(4, NULL, 126976 [pid 19118] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3610] <... clone resumed>, child_tidptr=0x55555697d6d0) = 19127 [pid 19124] <... write resumed>) = -1 EFAULT (Bad address) [pid 19124] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 19118] <... futex resumed>) = 0 [pid 19124] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19118] exit_group(0 [pid 19124] <... futex resumed>) = ? [pid 19118] <... exit_group resumed>) = ? [pid 19126] <... futex resumed>) = 0 [pid 19124] +++ exited with 0 +++ [pid 19118] +++ exited with 0 +++ [pid 19126] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 3612] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19118, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3612] openat(AT_FDCWD, "/dev/loop3", O_RDWR./strace-static-x86_64: Process 19127 attached ) = 3 [pid 19127] set_robust_list(0x55555697d6e0, 24 [pid 3612] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 3612] close(3 [pid 19127] <... set_robust_list resumed>) = 0 [pid 3612] <... close resumed>) = 0 [pid 19127] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3612] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 19127] <... prctl resumed>) = 0 [pid 19127] setpgid(0, 0) = 0 [pid 19127] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3612] <... clone resumed>, child_tidptr=0x55555697d6d0) = 19128 [pid 19127] <... openat resumed>) = 3 [pid 19127] write(3, "1000", 4) = 4 [pid 19127] close(3) = 0 [pid 19127] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 19127] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 19128 attached ) = 0x7fe89d140000 [pid 19128] set_robust_list(0x55555697d6e0, 24 [pid 19127] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 19119] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 19128] <... set_robust_list resumed>) = 0 [pid 19127] <... mprotect resumed>) = 0 [pid 19119] futex(0x7fe89d2384dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19125] <... mount resumed>) = -1 EFAULT (Bad address) [pid 19123] <... mount resumed>) = -1 EFAULT (Bad address) [pid 19119] <... futex resumed>) = 0 [pid 19125] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19119] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 19125] <... futex resumed>) = 1 [pid 19123] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19121] <... futex resumed>) = 0 [pid 19119] <... mmap resumed>) = 0x7fe89d11f000 [pid 19128] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 19127] 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 19125] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19123] <... futex resumed>) = 0 [pid 19121] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19119] mprotect(0x7fe89d120000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 19129 attached [pid 19128] <... prctl resumed>) = 0 [pid 19125] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19123] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19121] <... futex resumed>) = 0 [pid 19119] <... mprotect resumed>) = 0 [pid 19129] set_robust_list(0x7fe89d1609e0, 24 [pid 19128] setpgid(0, 0 [pid 19127] <... clone resumed>, parent_tid=[19129], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 19129 [pid 19125] write(4, NULL, 126976 [pid 19121] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19119] 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 19130 attached [pid 19128] <... setpgid resumed>) = 0 [pid 19127] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19126] <... mount resumed>) = -1 EFAULT (Bad address) [pid 19125] <... write resumed>) = -1 EFAULT (Bad address) [pid 19129] <... set_robust_list resumed>) = 0 [pid 19128] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 19127] <... futex resumed>) = 0 [pid 19126] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19125] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19119] <... clone resumed>, parent_tid=[19130], tls=0x7fe89d13f700, child_tidptr=0x7fe89d13f9d0) = 19130 [pid 19130] set_robust_list(0x7fe89d13f9e0, 24 [pid 19129] mkdir("./file0", 0777 [pid 19128] <... openat resumed>) = 3 [pid 19127] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 19126] <... futex resumed>) = 1 [pid 19125] <... futex resumed>) = 1 [pid 19122] <... futex resumed>) = 0 [pid 19121] <... futex resumed>) = 0 [pid 19119] futex(0x7fe89d2384d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19129] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 19128] write(3, "1000", 4 [pid 19126] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19125] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19122] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19121] exit_group(0 [pid 19119] <... futex resumed>) = 0 [pid 19129] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 19128] <... write resumed>) = 4 [pid 19126] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19125] <... futex resumed>) = ? [pid 19122] <... futex resumed>) = 0 [pid 19121] <... exit_group resumed>) = ? [pid 19119] futex(0x7fe89d2384dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19129] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19128] close(3 [pid 19126] write(4, NULL, 126976 [pid 19125] +++ exited with 0 +++ [pid 19122] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19128] <... close resumed>) = 0 [pid 19126] <... write resumed>) = -1 EFAULT (Bad address) [pid 19128] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19126] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19121] +++ exited with 0 +++ [pid 19129] <... futex resumed>) = 1 [pid 19128] <... futex resumed>) = 0 [pid 19127] <... futex resumed>) = 0 [pid 19126] <... futex resumed>) = 1 [pid 19122] <... futex resumed>) = 0 [pid 19130] <... set_robust_list resumed>) = 0 [pid 19129] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19128] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 19127] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19126] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19122] exit_group(0 [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19121, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 19130] write(4, NULL, 126976 [pid 19129] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19128] <... mmap resumed>) = 0x7fe89d140000 [pid 19127] <... futex resumed>) = 0 [pid 19126] <... futex resumed>) = ? [pid 19122] <... exit_group resumed>) = ? [pid 3611] restart_syscall(<... resuming interrupted clone ...> [pid 19130] <... write resumed>) = -1 EFAULT (Bad address) [pid 19129] pipe2( [pid 19128] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 19127] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19126] +++ exited with 0 +++ [pid 19122] +++ exited with 0 +++ [pid 3611] <... restart_syscall resumed>) = 0 [pid 19130] futex(0x7fe89d2384dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19129] <... pipe2 resumed>[3, 4], 0) = 0 [pid 19128] <... mprotect resumed>) = 0 [pid 19130] <... futex resumed>) = 1 [pid 19129] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19128] 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 19119] <... futex resumed>) = 0 [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19122, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 19131 attached [pid 19130] futex(0x7fe89d2384d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19129] <... futex resumed>) = 1 [pid 19127] <... futex resumed>) = 0 [pid 19119] exit_group(0 [pid 19131] set_robust_list(0x7fe89d1609e0, 24 [pid 19130] <... futex resumed>) = ? [pid 19129] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19128] <... clone resumed>, parent_tid=[19131], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 19131 [pid 19127] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19123] <... futex resumed>) = ? [pid 19119] <... exit_group resumed>) = ? [pid 3613] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 3611] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 19130] +++ exited with 0 +++ [pid 19129] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19128] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19127] <... futex resumed>) = 0 [pid 19123] +++ exited with 0 +++ [pid 19128] <... futex resumed>) = 0 [pid 19127] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19128] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 19119] +++ exited with 0 +++ [pid 3613] <... openat resumed>) = 3 [pid 3611] <... openat resumed>) = 3 [pid 19129] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 3613] ioctl(3, LOOP_CLR_FD [pid 3611] ioctl(3, LOOP_CLR_FD [pid 3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19119, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3609] restart_syscall(<... resuming interrupted clone ...> [pid 19131] <... set_robust_list resumed>) = 0 [pid 19131] mkdir("./file0", 0777 [pid 3611] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3609] <... restart_syscall resumed>) = 0 [pid 19131] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 19131] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3613] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3611] close(3 [pid 19131] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3609] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 19131] <... futex resumed>) = 1 [pid 19128] <... futex resumed>) = 0 [pid 3609] <... openat resumed>) = 3 [pid 19131] pipe2( [pid 19128] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3613] close(3 [pid 3611] <... close resumed>) = 0 [pid 3609] ioctl(3, LOOP_CLR_FD [pid 19131] <... pipe2 resumed>[3, 4], 0) = 0 [pid 19128] <... futex resumed>) = 0 [pid 3609] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 19131] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19128] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3609] close(3 [pid 19131] <... futex resumed>) = 0 [pid 19128] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3609] <... close resumed>) = 0 [pid 19131] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 19128] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 19128] <... futex resumed>) = 0 [pid 3613] <... close resumed>) = 0 [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 19128] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3609] <... clone resumed>, child_tidptr=0x55555697d6d0) = 19132 [pid 3611] <... clone resumed>, child_tidptr=0x55555697d6d0) = 19133 [pid 3613] <... clone resumed>, child_tidptr=0x55555697d6d0) = 19134 ./strace-static-x86_64: Process 19133 attached [pid 19133] set_robust_list(0x55555697d6e0, 24) = 0 ./strace-static-x86_64: Process 19134 attached ./strace-static-x86_64: Process 19132 attached [pid 19134] set_robust_list(0x55555697d6e0, 24 [pid 19133] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 19134] <... set_robust_list resumed>) = 0 [pid 19133] <... prctl resumed>) = 0 [pid 19132] set_robust_list(0x55555697d6e0, 24 [pid 19133] setpgid(0, 0 [pid 19132] <... set_robust_list resumed>) = 0 [pid 19134] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 19133] <... setpgid resumed>) = 0 [pid 19132] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 19134] <... prctl resumed>) = 0 [pid 19132] <... prctl resumed>) = 0 [pid 19134] setpgid(0, 0 [pid 19133] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 19132] setpgid(0, 0 [pid 19134] <... setpgid resumed>) = 0 [pid 19133] <... openat resumed>) = 3 [pid 19132] <... setpgid resumed>) = 0 [pid 19133] write(3, "1000", 4) = 4 [pid 19133] close(3) = 0 [pid 19133] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 19133] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 19134] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 19133] <... mmap resumed>) = 0x7fe89d140000 [pid 19133] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 19132] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 19134] <... openat resumed>) = 3 [pid 19133] <... mprotect resumed>) = 0 [pid 19134] write(3, "1000", 4 [pid 19133] 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 19132] <... openat resumed>) = 3 [pid 19134] <... write resumed>) = 4 [pid 19132] write(3, "1000", 4 [pid 19134] close(3 [pid 19133] <... clone resumed>, parent_tid=[19135], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 19135 [pid 19132] <... write resumed>) = 4 ./strace-static-x86_64: Process 19135 attached [pid 19134] <... close resumed>) = 0 [pid 19133] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19132] close(3 [pid 19134] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19133] <... futex resumed>) = 0 [pid 19132] <... close resumed>) = 0 [pid 19134] <... futex resumed>) = 0 [pid 19133] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 19132] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19134] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 19132] <... futex resumed>) = 0 [pid 19134] <... mmap resumed>) = 0x7fe89d140000 [pid 19134] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 19132] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 19134] <... mprotect resumed>) = 0 [pid 19132] <... mmap resumed>) = 0x7fe89d140000 [pid 19132] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 19134] 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 19132] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 19136 attached [pid 19135] set_robust_list(0x7fe89d1609e0, 24 [pid 19134] <... clone resumed>, parent_tid=[19136], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 19136 [pid 19132] 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 19135] <... set_robust_list resumed>) = 0 [pid 19134] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19136] set_robust_list(0x7fe89d1609e0, 24 [pid 19135] mkdir("./file0", 0777 [pid 19134] <... futex resumed>) = 0 [pid 19132] <... clone resumed>, parent_tid=[19137], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 19137 [pid 19127] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 19135] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 19134] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 19132] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19127] futex(0x7fe89d2384dc, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 19137 attached [pid 19136] <... set_robust_list resumed>) = 0 [pid 19135] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 19132] <... futex resumed>) = 0 [pid 19127] <... futex resumed>) = 0 [pid 19137] set_robust_list(0x7fe89d1609e0, 24 [pid 19136] mkdir("./file0", 0777 [pid 19135] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19132] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 19127] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 19137] <... set_robust_list resumed>) = 0 [pid 19136] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 19135] <... futex resumed>) = 1 [pid 19133] <... futex resumed>) = 0 [pid 19136] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 19135] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19131] <... mount resumed>) = -1 EFAULT (Bad address) [pid 19127] <... mmap resumed>) = 0x7fe89d11f000 [pid 19137] mkdir("./file0", 0777 [pid 19136] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19135] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19133] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19131] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19129] <... mount resumed>) = -1 EFAULT (Bad address) [pid 19127] mprotect(0x7fe89d120000, 131072, PROT_READ|PROT_WRITE [pid 19137] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 19133] <... futex resumed>) = 0 [pid 19131] <... futex resumed>) = 1 [pid 19129] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19128] <... futex resumed>) = 0 [pid 19127] <... mprotect resumed>) = 0 [pid 19137] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 19133] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19131] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19129] <... futex resumed>) = 0 [pid 19128] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19127] 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 19137] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19135] pipe2( [pid 19131] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19129] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19128] <... futex resumed>) = 0 [pid 19137] <... futex resumed>) = 1 [pid 19135] <... pipe2 resumed>[3, 4], 0) = 0 [pid 19132] <... futex resumed>) = 0 [pid 19131] write(4, NULL, 126976 [pid 19128] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19127] <... clone resumed>, parent_tid=[19138], tls=0x7fe89d13f700, child_tidptr=0x7fe89d13f9d0) = 19138 [pid 19137] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19135] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19132] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19131] <... write resumed>) = -1 EFAULT (Bad address) [pid 19127] futex(0x7fe89d2384d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19134] <... futex resumed>) = 0 [pid 19136] <... futex resumed>) = 1 [pid 19137] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19135] <... futex resumed>) = 1 [pid 19134] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19133] <... futex resumed>) = 0 [pid 19132] <... futex resumed>) = 0 [pid 19131] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19127] <... futex resumed>) = 0 [pid 19137] pipe2( [pid 19136] pipe2( [pid 19135] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19134] <... futex resumed>) = 0 [pid 19133] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19132] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19131] <... futex resumed>) = 1 [pid 19128] <... futex resumed>) = 0 [pid 19127] futex(0x7fe89d2384dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19137] <... pipe2 resumed>[3, 4], 0) = 0 [pid 19136] <... pipe2 resumed>[3, 4], 0) = 0 [pid 19135] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19134] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19133] <... futex resumed>) = 0 [pid 19131] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19128] exit_group(0 [pid 19137] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19136] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19135] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 19133] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19131] <... futex resumed>) = ? [pid 19128] <... exit_group resumed>) = ? [pid 19137] <... futex resumed>) = 1 [pid 19134] <... futex resumed>) = 0 [pid 19132] <... futex resumed>) = 0 [pid 19136] <... futex resumed>) = 1 [pid 19131] +++ exited with 0 +++ [pid 19128] +++ exited with 0 +++ [pid 19137] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19136] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 19134] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19132] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3612] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19128, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 19137] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19134] <... futex resumed>) = 0 [pid 19132] <... futex resumed>) = 0 [pid 19137] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 19134] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19132] 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./strace-static-x86_64: Process 19138 attached ) = -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 [pid 19138] set_robust_list(0x7fe89d13f9e0, 24) = 0 [pid 19138] write(4, NULL, 126976 [pid 3612] <... clone resumed>, child_tidptr=0x55555697d6d0) = 19139 [pid 19138] <... write resumed>) = -1 EFAULT (Bad address) [pid 19138] futex(0x7fe89d2384dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19127] <... futex resumed>) = 0 [pid 19127] exit_group(0 [pid 19129] <... futex resumed>) = ? [pid 19127] <... exit_group resumed>) = ? [pid 19129] +++ exited with 0 +++ [pid 19138] <... futex resumed>) = ? ./strace-static-x86_64: Process 19139 attached [pid 19135] <... mount resumed>) = -1 EFAULT (Bad address) [pid 19139] set_robust_list(0x55555697d6e0, 24 [pid 19137] <... mount resumed>) = -1 EFAULT (Bad address) [pid 19135] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19139] <... set_robust_list resumed>) = 0 [pid 19137] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19135] <... futex resumed>) = 1 [pid 19139] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 19137] <... futex resumed>) = 1 [pid 19135] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19133] <... futex resumed>) = 0 [pid 19132] <... futex resumed>) = 0 [pid 19139] <... prctl resumed>) = 0 [pid 19137] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19133] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19132] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19139] setpgid(0, 0 [pid 19137] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19135] <... futex resumed>) = 0 [pid 19133] <... futex resumed>) = 1 [pid 19132] <... futex resumed>) = 0 [pid 19139] <... setpgid resumed>) = 0 [pid 19137] write(4, NULL, 126976 [pid 19135] write(4, NULL, 126976 [pid 19139] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 19135] <... write resumed>) = -1 EFAULT (Bad address) [pid 19139] <... openat resumed>) = 3 [pid 19135] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19139] write(3, "1000", 4 [pid 19135] <... futex resumed>) = 0 [pid 19139] <... write resumed>) = 4 [pid 19137] <... write resumed>) = -1 EFAULT (Bad address) [pid 19135] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19133] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19132] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19139] close(3 [pid 19137] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19133] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19132] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19139] <... close resumed>) = 0 [pid 19137] <... futex resumed>) = 0 [pid 19133] exit_group(0 [pid 19132] exit_group(0 [pid 19139] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19138] +++ exited with 0 +++ [pid 19136] <... mount resumed>) = -1 EFAULT (Bad address) [pid 19135] <... futex resumed>) = ? [pid 19133] <... exit_group resumed>) = ? [pid 19132] <... exit_group resumed>) = ? [pid 19127] +++ exited with 0 +++ [pid 19139] <... futex resumed>) = 0 [pid 19137] +++ exited with 0 +++ [pid 19135] +++ exited with 0 +++ [pid 19139] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe89d140000 [pid 19133] +++ exited with 0 +++ [pid 19139] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19133, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 19139] <... mprotect resumed>) = 0 [pid 19132] +++ exited with 0 +++ [pid 19139] 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 19136] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19127, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- ./strace-static-x86_64: Process 19140 attached [pid 19136] <... futex resumed>) = 1 [pid 19134] <... futex resumed>) = 0 [pid 3611] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 3610] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19132, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 19140] set_robust_list(0x7fe89d1609e0, 24 [pid 19139] <... clone resumed>, parent_tid=[19140], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 19140 [pid 19136] write(4, NULL, 126976 [pid 19134] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] <... openat resumed>) = 3 [pid 3610] <... openat resumed>) = 3 [pid 19139] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19136] <... write resumed>) = -1 EFAULT (Bad address) [pid 19134] <... futex resumed>) = 0 [pid 3611] ioctl(3, LOOP_CLR_FD [pid 3610] ioctl(3, LOOP_CLR_FD [pid 3609] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 19139] <... futex resumed>) = 0 [pid 19136] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19134] 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] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 19139] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 19136] <... futex resumed>) = 0 [pid 19134] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3611] close(3 [pid 3610] close(3 [pid 3609] <... openat resumed>) = 3 [pid 19136] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19134] exit_group(0 [pid 3611] <... close resumed>) = 0 [pid 19136] <... futex resumed>) = ? [pid 19134] <... exit_group resumed>) = ? [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3610] <... close resumed>) = 0 [pid 3609] ioctl(3, LOOP_CLR_FD [pid 19140] <... set_robust_list resumed>) = 0 [pid 19136] +++ exited with 0 +++ [pid 19134] +++ exited with 0 +++ [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 19141 attached [pid 19140] mkdir("./file0", 0777 [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19134, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 19141] set_robust_list(0x55555697d6e0, 24 [pid 3611] <... clone resumed>, child_tidptr=0x55555697d6d0) = 19141 [pid 19141] <... set_robust_list resumed>) = 0 [pid 19140] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3609] close(3 [pid 19141] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 19140] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3613] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 3610] <... clone resumed>, child_tidptr=0x55555697d6d0) = 19142 [pid 19141] <... prctl resumed>) = 0 [pid 3613] <... openat resumed>) = 3 [pid 3609] <... close resumed>) = 0 [pid 19141] setpgid(0, 0 [pid 3613] ioctl(3, LOOP_CLR_FD [pid 19141] <... setpgid resumed>) = 0 [pid 3613] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 19141] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3613] close(3 [pid 19141] <... openat resumed>) = 3 [pid 3613] <... close resumed>) = 0 [pid 19141] write(3, "1000", 4 [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19142 attached [pid 19141] <... write resumed>) = 4 [pid 19142] set_robust_list(0x55555697d6e0, 24 [pid 19141] close(3 [pid 3613] <... clone resumed>, child_tidptr=0x55555697d6d0) = 19143 [pid 19142] <... set_robust_list resumed>) = 0 [pid 19141] <... close resumed>) = 0 [pid 19142] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 19141] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19142] <... prctl resumed>) = 0 [pid 19141] <... futex resumed>) = 0 [pid 19142] setpgid(0, 0 [pid 19141] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 19142] <... setpgid resumed>) = 0 [pid 19141] <... mmap resumed>) = 0x7fe89d140000 [pid 19142] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 19141] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 19142] <... openat resumed>) = 3 [pid 19141] <... mprotect resumed>) = 0 [pid 19142] write(3, "1000", 4 [pid 19141] 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 19142] <... write resumed>) = 4 [pid 19140] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 19142] close(3 [pid 19141] <... clone resumed>, parent_tid=[19144], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 19144 [pid 19139] <... futex resumed>) = 0 [pid 19142] <... close resumed>) = 0 [pid 19141] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19139] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19142] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19141] <... futex resumed>) = 0 [pid 19140] <... futex resumed>) = 1 [pid 19139] <... futex resumed>) = 0 [pid 19142] <... futex resumed>) = 0 [pid 19141] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 19139] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3609] <... clone resumed>, child_tidptr=0x55555697d6d0) = 19145 [pid 19142] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 19140] pipe2( [pid 19142] <... mmap resumed>) = 0x7fe89d140000 [pid 19142] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 19140] <... pipe2 resumed>[3, 4], 0) = 0 [pid 19142] <... mprotect resumed>) = 0 [pid 19140] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 19145 attached ./strace-static-x86_64: Process 19144 attached ./strace-static-x86_64: Process 19143 attached [pid 19142] 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 19140] <... futex resumed>) = 1 [pid 19139] <... futex resumed>) = 0 [pid 19144] set_robust_list(0x7fe89d1609e0, 24 [pid 19140] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19139] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19145] set_robust_list(0x55555697d6e0, 24 [pid 19144] <... set_robust_list resumed>) = 0 [pid 19143] set_robust_list(0x55555697d6e0, 24 [pid 19142] <... clone resumed>, parent_tid=[19146], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 19146 [pid 19140] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19139] <... futex resumed>) = 0 [pid 19144] mkdir("./file0", 0777 [pid 19142] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19139] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19144] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 19142] <... futex resumed>) = 0 [pid 19144] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 19142] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 19144] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 19141] <... futex resumed>) = 0 [pid 19144] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19141] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19144] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19141] <... futex resumed>) = 0 ./strace-static-x86_64: Process 19146 attached [pid 19144] pipe2( [pid 19141] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19146] set_robust_list(0x7fe89d1609e0, 24 [pid 19144] <... pipe2 resumed>[3, 4], 0) = 0 [pid 19140] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 19146] <... set_robust_list resumed>) = 0 [pid 19144] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19146] mkdir("./file0", 0777 [pid 19144] <... futex resumed>) = 1 [pid 19141] <... futex resumed>) = 0 [pid 19146] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 19144] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19141] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19146] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 19144] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19141] <... futex resumed>) = 0 [pid 19146] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19144] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 19141] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19146] <... futex resumed>) = 1 [pid 19145] <... set_robust_list resumed>) = 0 [pid 19143] <... set_robust_list resumed>) = 0 [pid 19142] <... futex resumed>) = 0 [pid 19146] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19142] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19145] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 19146] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19143] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 19142] <... futex resumed>) = 0 [pid 19145] <... prctl resumed>) = 0 [pid 19146] pipe2( [pid 19145] setpgid(0, 0 [pid 19143] <... prctl resumed>) = 0 [pid 19142] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19146] <... pipe2 resumed>[3, 4], 0) = 0 [pid 19145] <... setpgid resumed>) = 0 [pid 19146] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19143] setpgid(0, 0 [pid 19145] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 19144] <... mount resumed>) = -1 EFAULT (Bad address) [pid 19146] <... futex resumed>) = 1 [pid 19144] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19142] <... futex resumed>) = 0 [pid 19146] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19144] <... futex resumed>) = 1 [pid 19142] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19141] <... futex resumed>) = 0 [pid 19146] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19144] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19143] <... setpgid resumed>) = 0 [pid 19142] <... futex resumed>) = 0 [pid 19141] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19146] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 19145] <... openat resumed>) = 3 [pid 19144] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19142] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19141] <... futex resumed>) = 0 [pid 19144] write(4, NULL, 126976 [pid 19143] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 19141] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19140] <... mount resumed>) = -1 EFAULT (Bad address) [pid 19144] <... write resumed>) = -1 EFAULT (Bad address) [pid 19144] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 19141] <... futex resumed>) = 0 [pid 19145] write(3, "1000", 4 [pid 19144] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19141] exit_group(0 [pid 19144] <... futex resumed>) = ? [pid 19141] <... exit_group resumed>) = ? [pid 19143] <... openat resumed>) = 3 [pid 19145] <... write resumed>) = 4 [pid 19144] +++ exited with 0 +++ [pid 19141] +++ exited with 0 +++ [pid 19140] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19141, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 19146] <... mount resumed>) = -1 EFAULT (Bad address) [pid 19145] close(3 [pid 19143] write(3, "1000", 4 [pid 19140] <... futex resumed>) = 1 [pid 19139] <... futex resumed>) = 0 [pid 19146] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19145] <... close resumed>) = 0 [pid 19143] <... write resumed>) = 4 [pid 19140] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19139] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19146] <... futex resumed>) = 1 [pid 19142] <... futex resumed>) = 0 [pid 19139] <... futex resumed>) = 0 [pid 3611] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 19146] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19145] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19143] close(3 [pid 19142] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19140] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19139] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3611] <... openat resumed>) = 3 [pid 19146] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19145] <... futex resumed>) = 0 [pid 19143] <... close resumed>) = 0 [pid 19142] <... futex resumed>) = 0 [pid 19140] write(4, NULL, 126976 [pid 3611] ioctl(3, LOOP_CLR_FD [pid 19146] write(4, NULL, 126976 [pid 19145] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 19143] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19142] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19140] <... write resumed>) = -1 EFAULT (Bad address) [pid 3611] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 19146] <... write resumed>) = -1 EFAULT (Bad address) [pid 19145] <... mmap resumed>) = 0x7fe89d140000 [pid 19143] <... futex resumed>) = 0 [pid 19140] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] close(3 [pid 19146] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19145] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 19143] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 19140] <... futex resumed>) = 1 [pid 19139] <... futex resumed>) = 0 [pid 3611] <... close resumed>) = 0 [pid 19146] <... futex resumed>) = 1 [pid 19145] <... mprotect resumed>) = 0 [pid 19143] <... mmap resumed>) = 0x7fe89d140000 [pid 19142] <... futex resumed>) = 0 [pid 19140] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19139] exit_group(0 [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 19146] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19145] 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 19143] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 19142] exit_group(0 [pid 19140] <... futex resumed>) = ? [pid 19139] <... exit_group resumed>) = ? [pid 19146] <... futex resumed>) = ? [pid 19143] <... mprotect resumed>) = 0 [pid 19142] <... exit_group resumed>) = ? [pid 19140] +++ exited with 0 +++ [pid 19145] <... clone resumed>, parent_tid=[19147], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 19147 [pid 19143] 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 19146] +++ exited with 0 +++ [pid 19145] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19139] +++ exited with 0 +++ [pid 19145] <... futex resumed>) = 0 [pid 19143] <... clone resumed>, parent_tid=[19149], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 19149 [pid 19145] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 19143] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19142] +++ exited with 0 +++ [pid 3612] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19139, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3611] <... clone resumed>, child_tidptr=0x55555697d6d0) = 19148 [pid 19143] <... futex resumed>) = 0 [pid 3612] restart_syscall(<... resuming interrupted clone ...> [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19142, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 19143] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 3612] <... restart_syscall resumed>) = 0 [pid 3610] restart_syscall(<... resuming interrupted clone ...>) = 0 ./strace-static-x86_64: Process 19149 attached ./strace-static-x86_64: Process 19148 attached ./strace-static-x86_64: Process 19147 attached [pid 19149] set_robust_list(0x7fe89d1609e0, 24 [pid 19148] set_robust_list(0x55555697d6e0, 24 [pid 19147] set_robust_list(0x7fe89d1609e0, 24 [pid 3612] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 19149] <... set_robust_list resumed>) = 0 [pid 19148] <... set_robust_list resumed>) = 0 [pid 19147] <... set_robust_list resumed>) = 0 [pid 19148] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3612] <... openat resumed>) = 3 [pid 3610] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 3612] ioctl(3, LOOP_CLR_FD [pid 19148] <... prctl resumed>) = 0 [pid 19147] mkdir("./file0", 0777 [pid 3610] <... openat resumed>) = 3 [pid 19149] mkdir("./file0", 0777 [pid 19148] setpgid(0, 0 [pid 3612] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3610] ioctl(3, LOOP_CLR_FD [pid 19148] <... setpgid resumed>) = 0 [pid 19147] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3612] close(3 [pid 3610] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3612] <... close resumed>) = 0 [pid 19148] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3610] close(3 [pid 19149] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 19147] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3612] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3610] <... close resumed>) = 0 [pid 19149] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 19148] <... openat resumed>) = 3 [pid 19147] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 19150 attached [pid 19148] write(3, "1000", 4 [pid 19147] <... futex resumed>) = 1 [pid 19145] <... futex resumed>) = 0 [pid 19149] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 19148] <... write resumed>) = 4 [pid 19147] pipe2( [pid 19145] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3612] <... clone resumed>, child_tidptr=0x55555697d6d0) = 19150 [pid 19150] set_robust_list(0x55555697d6e0, 24 [pid 19149] <... futex resumed>) = 1 [pid 19148] close(3 [pid 19147] <... pipe2 resumed>[3, 4], 0) = 0 [pid 19145] <... futex resumed>) = 0 [pid 19143] <... futex resumed>) = 0 ./strace-static-x86_64: Process 19151 attached [pid 19150] <... set_robust_list resumed>) = 0 [pid 19149] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19148] <... close resumed>) = 0 [pid 19147] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19145] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19143] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3610] <... clone resumed>, child_tidptr=0x55555697d6d0) = 19151 [pid 19151] set_robust_list(0x55555697d6e0, 24 [pid 19150] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 19149] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19148] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19147] <... futex resumed>) = 0 [pid 19145] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19143] <... futex resumed>) = 0 [pid 19150] <... prctl resumed>) = 0 [pid 19149] pipe2( [pid 19148] <... futex resumed>) = 0 [pid 19147] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19145] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19143] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19151] <... set_robust_list resumed>) = 0 [pid 19150] setpgid(0, 0 [pid 19149] <... pipe2 resumed>[3, 4], 0) = 0 [pid 19148] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 19147] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19145] <... futex resumed>) = 0 [pid 19151] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 19150] <... setpgid resumed>) = 0 [pid 19149] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19148] <... mmap resumed>) = 0x7fe89d140000 [pid 19147] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 19145] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19151] <... prctl resumed>) = 0 [pid 19150] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 19149] <... futex resumed>) = 1 [pid 19148] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 19143] <... futex resumed>) = 0 [pid 19150] <... openat resumed>) = 3 [pid 19143] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19150] write(3, "1000", 4 [pid 19143] <... futex resumed>) = 0 [pid 19150] <... write resumed>) = 4 [pid 19148] <... mprotect resumed>) = 0 [pid 19143] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19150] close(3 [pid 19149] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 19148] 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 19150] <... close resumed>) = 0 [pid 19150] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 19150] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 19148] <... clone resumed>, parent_tid=[19152], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 19152 [pid 19150] <... mmap resumed>) = 0x7fe89d140000 [pid 19150] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 19148] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19150] 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 19148] <... futex resumed>) = 0 ./strace-static-x86_64: Process 19152 attached [pid 19150] <... clone resumed>, parent_tid=[19153], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 19153 [pid 19152] set_robust_list(0x7fe89d1609e0, 24 [pid 19150] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19152] <... set_robust_list resumed>) = 0 [pid 19150] <... futex resumed>) = 0 [pid 19152] mkdir("./file0", 0777 [pid 19150] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 19152] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 19152] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 19152] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19148] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 19152] <... futex resumed>) = 0 [pid 19148] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ./strace-static-x86_64: Process 19153 attached [pid 19152] pipe2( [pid 19148] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19153] set_robust_list(0x7fe89d1609e0, 24 [pid 19152] <... pipe2 resumed>[3, 4], 0) = 0 [pid 19148] <... futex resumed>) = 0 [pid 19153] <... set_robust_list resumed>) = 0 [pid 19152] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19148] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19153] mkdir("./file0", 0777 [pid 19152] <... futex resumed>) = 0 [pid 19148] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19153] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 19152] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19153] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 19153] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19148] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19153] <... futex resumed>) = 1 [pid 19150] <... futex resumed>) = 0 [pid 19153] pipe2( [pid 19150] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19153] <... pipe2 resumed>[3, 4], 0) = 0 [pid 19150] <... futex resumed>) = 0 [pid 19153] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19152] <... futex resumed>) = 0 [pid 19150] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19148] <... futex resumed>) = 1 [pid 19153] <... futex resumed>) = 0 [pid 19152] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 19150] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19148] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19153] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19150] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19153] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19150] <... futex resumed>) = 0 [pid 19153] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 19150] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19151] setpgid(0, 0) = 0 [pid 19152] <... mount resumed>) = -1 EFAULT (Bad address) [pid 19149] <... mount resumed>) = -1 EFAULT (Bad address) [pid 19147] <... mount resumed>) = -1 EFAULT (Bad address) [pid 19152] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19151] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 19149] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19147] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19152] <... futex resumed>) = 1 [pid 19151] <... openat resumed>) = 3 [pid 19149] <... futex resumed>) = 1 [pid 19148] <... futex resumed>) = 0 [pid 19147] <... futex resumed>) = 1 [pid 19145] <... futex resumed>) = 0 [pid 19143] <... futex resumed>) = 0 [pid 19152] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19151] write(3, "1000", 4 [pid 19149] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19148] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19147] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19145] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19143] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19152] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19151] <... write resumed>) = 4 [pid 19149] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19148] <... futex resumed>) = 0 [pid 19147] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19145] <... futex resumed>) = 0 [pid 19143] <... futex resumed>) = 0 [pid 19153] <... mount resumed>) = -1 EFAULT (Bad address) [pid 19152] write(4, NULL, 126976 [pid 19151] close(3 [pid 19149] write(4, NULL, 126976 [pid 19148] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19147] write(4, NULL, 126976 [pid 19145] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19143] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19153] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19152] <... write resumed>) = -1 EFAULT (Bad address) [pid 19151] <... close resumed>) = 0 [pid 19149] <... write resumed>) = -1 EFAULT (Bad address) [pid 19147] <... write resumed>) = -1 EFAULT (Bad address) [pid 19153] <... futex resumed>) = 1 [pid 19152] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19151] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19150] <... futex resumed>) = 0 [pid 19149] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19147] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19153] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19152] <... futex resumed>) = 1 [pid 19151] <... futex resumed>) = 0 [pid 19150] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19149] <... futex resumed>) = 1 [pid 19148] <... futex resumed>) = 0 [pid 19147] <... futex resumed>) = 1 [pid 19145] <... futex resumed>) = 0 [pid 19143] <... futex resumed>) = 0 [pid 19153] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19152] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19151] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 19150] <... futex resumed>) = 0 [pid 19149] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19148] exit_group(0 [pid 19147] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19145] exit_group(0 [pid 19143] exit_group(0 [pid 19153] write(4, NULL, 126976 [pid 19152] <... futex resumed>) = ? [pid 19151] <... mmap resumed>) = 0x7fe89d140000 [pid 19150] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19149] <... futex resumed>) = ? [pid 19148] <... exit_group resumed>) = ? [pid 19147] <... futex resumed>) = ? [pid 19145] <... exit_group resumed>) = ? [pid 19143] <... exit_group resumed>) = ? [pid 19153] <... write resumed>) = -1 EFAULT (Bad address) [pid 19152] +++ exited with 0 +++ [pid 19151] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 19149] +++ exited with 0 +++ [pid 19147] +++ exited with 0 +++ [pid 19153] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19151] <... mprotect resumed>) = 0 [pid 19148] +++ exited with 0 +++ [pid 19153] <... futex resumed>) = 1 [pid 19151] 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 19145] +++ exited with 0 +++ [pid 19153] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19151] <... clone resumed>, parent_tid=[19154], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 19154 ./strace-static-x86_64: Process 19154 attached [pid 19151] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19150] <... futex resumed>) = 0 [pid 19143] +++ exited with 0 +++ [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19148, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19145, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 19154] set_robust_list(0x7fe89d1609e0, 24 [pid 19151] <... futex resumed>) = 0 [pid 19150] exit_group(0 [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19143, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 19154] <... set_robust_list resumed>) = 0 [pid 19153] <... futex resumed>) = ? [pid 19151] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 19150] <... exit_group resumed>) = ? [pid 3613] restart_syscall(<... resuming interrupted clone ...> [pid 19154] mkdir("./file0", 0777 [pid 19153] +++ exited with 0 +++ [pid 3613] <... restart_syscall resumed>) = 0 [pid 3613] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 19154] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 19150] +++ exited with 0 +++ [pid 3613] <... openat resumed>) = 3 [pid 3611] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 19154] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3613] ioctl(3, LOOP_CLR_FD [pid 19154] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3613] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3612] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19150, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3611] <... openat resumed>) = 3 [pid 3609] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 19154] <... futex resumed>) = 1 [pid 19151] <... futex resumed>) = 0 [pid 3613] close(3 [pid 3612] restart_syscall(<... resuming interrupted clone ...> [pid 3611] ioctl(3, LOOP_CLR_FD [pid 19154] pipe2( [pid 19151] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3613] <... close resumed>) = 0 [pid 3612] <... restart_syscall resumed>) = 0 [pid 3611] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3609] <... openat resumed>) = 3 [pid 19154] <... pipe2 resumed>[3, 4], 0) = 0 [pid 19151] <... futex resumed>) = 0 [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3611] close(3 [pid 3609] ioctl(3, LOOP_CLR_FD [pid 19154] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19151] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3611] <... close resumed>) = 0 [pid 3609] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 19154] <... futex resumed>) = 0 [pid 19151] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3612] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3609] close(3 [pid 19154] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19151] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3613] <... clone resumed>, child_tidptr=0x55555697d6d0) = 19155 [pid 3612] <... openat resumed>) = 3 [pid 3609] <... close resumed>) = 0 [pid 19154] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19151] <... futex resumed>) = 0 [pid 3612] ioctl(3, LOOP_CLR_FD [pid 3611] <... clone resumed>, child_tidptr=0x55555697d6d0) = 19156 [pid 3609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 19154] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 19151] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3612] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3612] close(3 [pid 3609] <... clone resumed>, child_tidptr=0x55555697d6d0) = 19157 [pid 3612] <... close resumed>) = 0 [pid 3612] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19155 attached , child_tidptr=0x55555697d6d0) = 19158 [pid 19155] set_robust_list(0x55555697d6e0, 24) = 0 [pid 19155] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 19155] setpgid(0, 0./strace-static-x86_64: Process 19157 attached ./strace-static-x86_64: Process 19156 attached ) = 0 [pid 19157] set_robust_list(0x55555697d6e0, 24 [pid 19156] set_robust_list(0x55555697d6e0, 24 [pid 19155] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 ./strace-static-x86_64: Process 19158 attached [pid 19157] <... set_robust_list resumed>) = 0 [pid 19156] <... set_robust_list resumed>) = 0 [pid 19155] write(3, "1000", 4 [pid 19158] set_robust_list(0x55555697d6e0, 24 [pid 19156] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 19155] <... write resumed>) = 4 [pid 19158] <... set_robust_list resumed>) = 0 [pid 19157] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 19156] <... prctl resumed>) = 0 [pid 19155] close(3 [pid 19158] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 19157] <... prctl resumed>) = 0 [pid 19156] setpgid(0, 0 [pid 19155] <... close resumed>) = 0 [pid 19158] <... prctl resumed>) = 0 [pid 19155] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19158] setpgid(0, 0 [pid 19155] <... futex resumed>) = 0 [pid 19158] <... setpgid resumed>) = 0 [pid 19157] setpgid(0, 0 [pid 19156] <... setpgid resumed>) = 0 [pid 19155] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 19158] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 19157] <... setpgid resumed>) = 0 [pid 19156] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 19155] <... mmap resumed>) = 0x7fe89d140000 [pid 19158] <... openat resumed>) = 3 [pid 19157] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 19155] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 19158] write(3, "1000", 4 [pid 19157] <... openat resumed>) = 3 [pid 19156] <... openat resumed>) = 3 [pid 19155] <... mprotect resumed>) = 0 [pid 19154] <... mount resumed>) = -1 EFAULT (Bad address) [pid 19158] <... write resumed>) = 4 [pid 19157] write(3, "1000", 4 [pid 19156] write(3, "1000", 4 [pid 19155] 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 19154] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19158] close(3 [pid 19157] <... write resumed>) = 4 [pid 19156] <... write resumed>) = 4 [pid 19154] <... futex resumed>) = 1 [pid 19151] <... futex resumed>) = 0 [pid 19158] <... close resumed>) = 0 [pid 19157] close(3 [pid 19156] close(3 [pid 19155] <... clone resumed>, parent_tid=[19159], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 19159 [pid 19154] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19151] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19158] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19157] <... close resumed>) = 0 [pid 19156] <... close resumed>) = 0 [pid 19155] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19154] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19151] <... futex resumed>) = 0 [pid 19158] <... futex resumed>) = 0 [pid 19157] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19156] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19155] <... futex resumed>) = 0 [pid 19154] write(4, NULL, 126976 [pid 19151] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19158] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 19157] <... futex resumed>) = 0 [pid 19156] <... futex resumed>) = 0 [pid 19155] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 19154] <... write resumed>) = -1 EFAULT (Bad address) [pid 19158] <... mmap resumed>) = 0x7fe89d140000 [pid 19157] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 19156] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 19154] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19158] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 19157] <... mmap resumed>) = 0x7fe89d140000 [pid 19156] <... mmap resumed>) = 0x7fe89d140000 [pid 19154] <... futex resumed>) = 1 [pid 19151] <... futex resumed>) = 0 [pid 19158] <... mprotect resumed>) = 0 [pid 19157] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 19156] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 19154] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19151] exit_group(0 [pid 19158] 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 19157] <... mprotect resumed>) = 0 [pid 19156] <... mprotect resumed>) = 0 [pid 19154] <... futex resumed>) = ? [pid 19151] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 19160 attached ./strace-static-x86_64: Process 19159 attached [pid 19157] 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 19156] 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 19154] +++ exited with 0 +++ [pid 19160] set_robust_list(0x7fe89d1609e0, 24 [pid 19159] set_robust_list(0x7fe89d1609e0, 24 [pid 19158] <... clone resumed>, parent_tid=[19160], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 19160 [pid 19151] +++ exited with 0 +++ ./strace-static-x86_64: Process 19162 attached ./strace-static-x86_64: Process 19161 attached [pid 19160] <... set_robust_list resumed>) = 0 [pid 19159] <... set_robust_list resumed>) = 0 [pid 19158] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19157] <... clone resumed>, parent_tid=[19161], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 19161 [pid 19159] mkdir("./file0", 0777 [pid 19158] <... futex resumed>) = 0 [pid 19157] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19156] <... clone resumed>, parent_tid=[19162], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 19162 [pid 19160] mkdir("./file0", 0777 [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19151, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 19162] set_robust_list(0x7fe89d1609e0, 24 [pid 19161] set_robust_list(0x7fe89d1609e0, 24 [pid 19160] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 19159] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 19158] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 19157] <... futex resumed>) = 0 [pid 19156] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3610] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 19161] <... set_robust_list resumed>) = 0 [pid 19162] <... set_robust_list resumed>) = 0 [pid 19160] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 19159] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 19157] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 19156] <... futex resumed>) = 0 [pid 3610] <... openat resumed>) = 3 [pid 19161] mkdir("./file0", 0777 [pid 19160] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19159] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19156] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 3610] ioctl(3, LOOP_CLR_FD [pid 19162] mkdir("./file0", 0777 [pid 19161] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 19160] <... futex resumed>) = 1 [pid 19159] <... futex resumed>) = 1 [pid 19158] <... futex resumed>) = 0 [pid 19155] <... futex resumed>) = 0 [pid 3610] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 19161] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 19160] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19159] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19158] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19155] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3610] close(3 [pid 19162] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 19161] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19160] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19159] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19158] <... futex resumed>) = 0 [pid 19155] <... futex resumed>) = 0 [pid 3610] <... close resumed>) = 0 [pid 19162] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 19161] <... futex resumed>) = 1 [pid 19160] pipe2( [pid 19159] pipe2( [pid 19158] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19157] <... futex resumed>) = 0 [pid 19155] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19163 attached [pid 19162] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19161] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19160] <... pipe2 resumed>[3, 4], 0) = 0 [pid 19159] <... pipe2 resumed>[3, 4], 0) = 0 [pid 19157] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19162] <... futex resumed>) = 1 [pid 19161] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19160] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19159] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19157] <... futex resumed>) = 0 [pid 19156] <... futex resumed>) = 0 [pid 19163] set_robust_list(0x55555697d6e0, 24 [pid 3610] <... clone resumed>, child_tidptr=0x55555697d6d0) = 19163 [pid 19162] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19163] <... set_robust_list resumed>) = 0 [pid 19161] pipe2( [pid 19160] <... futex resumed>) = 1 [pid 19159] <... futex resumed>) = 1 [pid 19158] <... futex resumed>) = 0 [pid 19157] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19156] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19155] <... futex resumed>) = 0 [pid 19162] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19161] <... pipe2 resumed>[3, 4], 0) = 0 [pid 19160] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19159] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19158] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19156] <... futex resumed>) = 0 [pid 19155] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19163] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 19162] pipe2( [pid 19161] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19160] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19159] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19158] <... futex resumed>) = 0 [pid 19156] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19155] <... futex resumed>) = 0 [pid 19163] <... prctl resumed>) = 0 [pid 19162] <... pipe2 resumed>[3, 4], 0) = 0 [pid 19161] <... futex resumed>) = 1 [pid 19160] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 19159] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 19158] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19157] <... futex resumed>) = 0 [pid 19155] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19163] setpgid(0, 0 [pid 19162] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19161] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19157] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19162] <... futex resumed>) = 1 [pid 19161] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19157] <... futex resumed>) = 0 [pid 19156] <... futex resumed>) = 0 [pid 19163] <... setpgid resumed>) = 0 [pid 19162] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19161] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 19160] <... mount resumed>) = -1 EFAULT (Bad address) [pid 19157] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19156] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19160] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 19158] <... futex resumed>) = 0 [pid 19160] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19158] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19160] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19158] <... futex resumed>) = 0 [pid 19160] write(4, NULL, 126976 [pid 19158] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19160] <... write resumed>) = -1 EFAULT (Bad address) [pid 19160] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19162] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19160] <... futex resumed>) = 1 [pid 19158] <... futex resumed>) = 0 [pid 19156] <... futex resumed>) = 0 [pid 19163] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 19162] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 19160] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19158] exit_group(0 [pid 19156] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19160] <... futex resumed>) = ? [pid 19158] <... exit_group resumed>) = ? [pid 19160] +++ exited with 0 +++ [pid 19159] <... mount resumed>) = -1 EFAULT (Bad address) [pid 19158] +++ exited with 0 +++ [pid 19159] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3612] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19158, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 19159] <... futex resumed>) = 1 [pid 19155] <... futex resumed>) = 0 [pid 3612] restart_syscall(<... resuming interrupted clone ...> [pid 19163] <... openat resumed>) = 3 [pid 19159] write(4, NULL, 126976 [pid 19155] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3612] <... restart_syscall resumed>) = 0 [pid 19163] write(3, "1000", 4 [pid 19161] <... mount resumed>) = -1 EFAULT (Bad address) [pid 19159] <... write resumed>) = -1 EFAULT (Bad address) [pid 19155] <... futex resumed>) = 0 [pid 19163] <... write resumed>) = 4 [pid 19162] <... mount resumed>) = -1 EFAULT (Bad address) [pid 19161] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19159] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19155] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19163] close(3 [pid 19162] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19161] <... futex resumed>) = 1 [pid 19159] <... futex resumed>) = 0 [pid 19157] <... futex resumed>) = 0 [pid 19155] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3612] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 19163] <... close resumed>) = 0 [pid 19162] <... futex resumed>) = 1 [pid 19161] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19159] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19157] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19156] <... futex resumed>) = 0 [pid 19155] exit_group(0 [pid 3612] <... openat resumed>) = 3 [pid 19163] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19162] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19161] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19159] <... futex resumed>) = ? [pid 19157] <... futex resumed>) = 0 [pid 19156] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19155] <... exit_group resumed>) = ? [pid 3612] ioctl(3, LOOP_CLR_FD [pid 19163] <... futex resumed>) = 0 [pid 19162] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19161] write(4, NULL, 126976 [pid 19159] +++ exited with 0 +++ [pid 19157] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19156] <... futex resumed>) = 0 [pid 3612] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 19161] <... write resumed>) = -1 EFAULT (Bad address) [pid 3612] close(3 [pid 19163] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 19162] write(4, NULL, 126976 [pid 19161] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19156] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19155] +++ exited with 0 +++ [pid 3612] <... close resumed>) = 0 [pid 19163] <... mmap resumed>) = 0x7fe89d140000 [pid 19162] <... write resumed>) = -1 EFAULT (Bad address) [pid 19161] <... futex resumed>) = 1 [pid 19157] <... futex resumed>) = 0 [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19155, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3612] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 19163] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 19162] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19161] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19157] exit_group(0 [pid 3613] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 19164 attached [pid 19163] <... mprotect resumed>) = 0 [pid 19162] <... futex resumed>) = 1 [pid 19161] <... futex resumed>) = ? [pid 19157] <... exit_group resumed>) = ? [pid 19156] <... futex resumed>) = 0 [pid 3613] <... restart_syscall resumed>) = 0 [pid 19164] set_robust_list(0x55555697d6e0, 24 [pid 19163] 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 19162] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19161] +++ exited with 0 +++ [pid 19156] exit_group(0./strace-static-x86_64: Process 19165 attached [pid 19164] <... set_robust_list resumed>) = 0 [pid 19162] <... futex resumed>) = ? [pid 19157] +++ exited with 0 +++ [pid 19156] <... exit_group resumed>) = ? [pid 3612] <... clone resumed>, child_tidptr=0x55555697d6d0) = 19164 [pid 19165] set_robust_list(0x7fe89d1609e0, 24 [pid 19164] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 19163] <... clone resumed>, parent_tid=[19165], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 19165 [pid 19162] +++ exited with 0 +++ [pid 19156] +++ exited with 0 +++ [pid 19165] <... set_robust_list resumed>) = 0 [pid 19164] <... prctl resumed>) = 0 [pid 19163] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3613] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19157, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 19164] setpgid(0, 0 [pid 19163] <... futex resumed>) = 0 [pid 19163] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 3613] <... openat resumed>) = 3 [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19156, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 19164] <... setpgid resumed>) = 0 [pid 3613] ioctl(3, LOOP_CLR_FD [pid 3611] restart_syscall(<... resuming interrupted clone ...> [pid 3609] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 19165] mkdir("./file0", 0777 [pid 19164] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3611] <... restart_syscall resumed>) = 0 [pid 3609] <... openat resumed>) = 3 [pid 3613] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3609] ioctl(3, LOOP_CLR_FD [pid 19164] <... openat resumed>) = 3 [pid 3609] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3613] close(3 [pid 3611] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 19165] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 19164] write(3, "1000", 4 [pid 3613] <... close resumed>) = 0 [pid 3611] <... openat resumed>) = 3 [pid 3609] close(3 [pid 19165] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 19164] <... write resumed>) = 4 [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3611] ioctl(3, LOOP_CLR_FD [pid 3609] <... close resumed>) = 0 [pid 19165] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19164] close(3 [pid 3611] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 19165] <... futex resumed>) = 1 [pid 19164] <... close resumed>) = 0 [pid 19163] <... futex resumed>) = 0 [pid 3613] <... clone resumed>, child_tidptr=0x55555697d6d0) = 19166 [pid 3611] close(3 [pid 19165] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19164] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19163] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] <... close resumed>) = 0 [pid 3609] <... clone resumed>, child_tidptr=0x55555697d6d0) = 19167 [pid 19165] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19164] <... futex resumed>) = 0 [pid 19163] <... futex resumed>) = 0 [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 19165] pipe2( [pid 19164] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 19163] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19165] <... pipe2 resumed>[3, 4], 0) = 0 [pid 19164] <... mmap resumed>) = 0x7fe89d140000 [pid 3611] <... clone resumed>, child_tidptr=0x55555697d6d0) = 19168 [pid 19165] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19164] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 19165] <... futex resumed>) = 1 [pid 19164] <... mprotect resumed>) = 0 [pid 19163] <... futex resumed>) = 0 [pid 19165] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19164] 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 19163] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19165] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19163] <... futex resumed>) = 0 ./strace-static-x86_64: Process 19167 attached [pid 19165] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 19164] <... clone resumed>, parent_tid=[19169], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 19169 [pid 19163] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 19168 attached ./strace-static-x86_64: Process 19166 attached [pid 19167] set_robust_list(0x55555697d6e0, 24 [pid 19164] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19167] <... set_robust_list resumed>) = 0 [pid 19164] <... futex resumed>) = 0 [pid 19168] set_robust_list(0x55555697d6e0, 24 [pid 19167] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 19166] set_robust_list(0x55555697d6e0, 24 [pid 19165] <... mount resumed>) = -1 EFAULT (Bad address) [pid 19164] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000}./strace-static-x86_64: Process 19169 attached [pid 19168] <... set_robust_list resumed>) = 0 [pid 19167] <... prctl resumed>) = 0 [pid 19166] <... set_robust_list resumed>) = 0 [pid 19165] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19169] set_robust_list(0x7fe89d1609e0, 24 [pid 19168] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 19167] setpgid(0, 0 [pid 19166] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 19165] <... futex resumed>) = 1 [pid 19163] <... futex resumed>) = 0 [pid 19169] <... set_robust_list resumed>) = 0 [pid 19168] <... prctl resumed>) = 0 [pid 19167] <... setpgid resumed>) = 0 [pid 19166] <... prctl resumed>) = 0 [pid 19165] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19163] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19169] mkdir("./file0", 0777 [pid 19168] setpgid(0, 0 [pid 19167] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 19166] setpgid(0, 0 [pid 19165] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19163] <... futex resumed>) = 0 [pid 19169] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 19168] <... setpgid resumed>) = 0 [pid 19167] <... openat resumed>) = 3 [pid 19166] <... setpgid resumed>) = 0 [pid 19165] write(4, NULL, 126976 [pid 19163] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19169] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 19168] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 19167] write(3, "1000", 4 [pid 19166] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 19165] <... write resumed>) = -1 EFAULT (Bad address) [pid 19169] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19168] <... openat resumed>) = 3 [pid 19167] <... write resumed>) = 4 [pid 19165] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19166] <... openat resumed>) = 3 [pid 19169] <... futex resumed>) = 1 [pid 19168] write(3, "1000", 4 [pid 19167] close(3 [pid 19166] write(3, "1000", 4 [pid 19165] <... futex resumed>) = 1 [pid 19164] <... futex resumed>) = 0 [pid 19163] <... futex resumed>) = 0 [pid 19169] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19168] <... write resumed>) = 4 [pid 19167] <... close resumed>) = 0 [pid 19166] <... write resumed>) = 4 [pid 19165] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19164] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19163] exit_group(0 [pid 19169] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19168] close(3 [pid 19167] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19166] close(3 [pid 19165] <... futex resumed>) = ? [pid 19164] <... futex resumed>) = 0 [pid 19163] <... exit_group resumed>) = ? [pid 19169] pipe2( [pid 19168] <... close resumed>) = 0 [pid 19167] <... futex resumed>) = 0 [pid 19166] <... close resumed>) = 0 [pid 19165] +++ exited with 0 +++ [pid 19164] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19169] <... pipe2 resumed>[3, 4], 0) = 0 [pid 19167] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 19169] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19168] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19167] <... mmap resumed>) = 0x7fe89d140000 [pid 19166] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19163] +++ exited with 0 +++ [pid 19169] <... futex resumed>) = 1 [pid 19168] <... futex resumed>) = 0 [pid 19167] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 19166] <... futex resumed>) = 0 [pid 19164] <... futex resumed>) = 0 [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19163, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 19169] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19168] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 19167] <... mprotect resumed>) = 0 [pid 19166] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 19164] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3610] restart_syscall(<... resuming interrupted clone ...> [pid 19169] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19168] <... mmap resumed>) = 0x7fe89d140000 [pid 19167] 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 19166] <... mmap resumed>) = 0x7fe89d140000 [pid 19164] <... futex resumed>) = 0 [pid 3610] <... restart_syscall resumed>) = 0 [pid 19169] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 19168] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 19166] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 19164] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 19170 attached [pid 19168] <... mprotect resumed>) = 0 [pid 19167] <... clone resumed>, parent_tid=[19170], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 19170 [pid 19166] <... mprotect resumed>) = 0 [pid 19170] set_robust_list(0x7fe89d1609e0, 24 [pid 19169] <... mount resumed>) = -1 EFAULT (Bad address) [pid 19168] 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 19167] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19166] 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] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 19169] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19167] <... futex resumed>) = 0 [pid 3610] <... openat resumed>) = 3 [pid 19170] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 19172 attached ./strace-static-x86_64: Process 19171 attached [pid 19169] <... futex resumed>) = 1 [pid 19168] <... clone resumed>, parent_tid=[19171], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 19171 [pid 19167] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 19166] <... clone resumed>, parent_tid=[19172], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 19172 [pid 19164] <... futex resumed>) = 0 [pid 3610] ioctl(3, LOOP_CLR_FD [pid 19172] set_robust_list(0x7fe89d1609e0, 24 [pid 19171] set_robust_list(0x7fe89d1609e0, 24 [pid 19170] mkdir("./file0", 0777 [pid 19169] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19168] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19164] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19166] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3610] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 19170] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 19169] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19168] <... futex resumed>) = 0 [pid 19166] <... futex resumed>) = 0 [pid 19164] <... futex resumed>) = 0 [pid 19172] <... set_robust_list resumed>) = 0 [pid 19171] <... set_robust_list resumed>) = 0 [pid 3610] close(3 [pid 19170] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 19169] write(4, NULL, 126976 [pid 19168] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 19166] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 19164] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19172] mkdir("./file0", 0777 [pid 3610] <... close resumed>) = 0 [pid 19172] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 19171] mkdir("./file0", 0777 [pid 19170] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19169] <... write resumed>) = -1 EFAULT (Bad address) [pid 19172] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 19171] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 19170] <... futex resumed>) = 1 [pid 19169] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19167] <... futex resumed>) = 0 [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 19172] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19171] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 19170] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19169] <... futex resumed>) = 1 [pid 19167] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19164] <... futex resumed>) = 0 [pid 19172] <... futex resumed>) = 1 [pid 19171] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19170] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19166] <... futex resumed>) = 0 [pid 19172] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19171] <... futex resumed>) = 1 [pid 19170] pipe2( [pid 19169] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19168] <... futex resumed>) = 0 [pid 19167] <... futex resumed>) = 0 [pid 19166] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19164] exit_group(0 [pid 3610] <... clone resumed>, child_tidptr=0x55555697d6d0) = 19173 [pid 19172] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19171] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19170] <... pipe2 resumed>[3, 4], 0) = 0 [pid 19169] <... futex resumed>) = ? [pid 19168] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19167] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19166] <... futex resumed>) = 0 [pid 19164] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 19173 attached [pid 19172] pipe2( [pid 19171] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19170] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19169] +++ exited with 0 +++ [pid 19168] <... futex resumed>) = 0 [pid 19167] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19166] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19172] <... pipe2 resumed>[3, 4], 0) = 0 [pid 19171] pipe2( [pid 19170] <... futex resumed>) = 0 [pid 19168] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19172] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19171] <... pipe2 resumed>[3, 4], 0) = 0 [pid 19170] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19167] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19164] +++ exited with 0 +++ [pid 19173] set_robust_list(0x55555697d6e0, 24 [pid 19172] <... futex resumed>) = 1 [pid 19171] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19170] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19167] <... futex resumed>) = 0 [pid 19166] <... futex resumed>) = 0 [pid 3612] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19164, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 19173] <... set_robust_list resumed>) = 0 [pid 19172] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19171] <... futex resumed>) = 1 [pid 19170] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 19168] <... futex resumed>) = 0 [pid 19167] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19166] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19173] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 19172] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19171] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19173] <... prctl resumed>) = 0 [pid 19168] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19166] <... futex resumed>) = 0 [pid 19173] setpgid(0, 0 [pid 19172] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 19171] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19168] <... futex resumed>) = 0 [pid 19166] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3612] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 19173] <... setpgid resumed>) = 0 [pid 19173] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 19171] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 19168] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3612] <... openat resumed>) = 3 [pid 19173] write(3, "1000", 4 [pid 3612] ioctl(3, LOOP_CLR_FD [pid 19173] <... write resumed>) = 4 [pid 19173] close(3 [pid 3612] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 19173] <... close resumed>) = 0 [pid 3612] close(3 [pid 19173] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3612] <... close resumed>) = 0 [pid 19173] <... futex resumed>) = 0 [pid 19173] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe89d140000 [pid 3612] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 19173] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 19173] 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] <... clone resumed>, child_tidptr=0x55555697d6d0) = 19174 [pid 19173] <... clone resumed>, parent_tid=[19175], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 19175 [pid 19173] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 19173] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000}./strace-static-x86_64: Process 19175 attached [pid 19175] set_robust_list(0x7fe89d1609e0, 24) = 0 [pid 19175] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 19175] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 19175] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 19173] <... futex resumed>) = 0 [pid 19175] pipe2( [pid 19173] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19175] <... pipe2 resumed>[3, 4], 0) = 0 [pid 19173] <... futex resumed>) = 0 [pid 19175] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19173] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19175] <... futex resumed>) = 0 [pid 19173] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19175] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19173] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19172] <... mount resumed>) = -1 EFAULT (Bad address) [pid 19175] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19173] <... futex resumed>) = 0 [pid 19175] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 19173] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19172] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19171] <... mount resumed>) = -1 EFAULT (Bad address) [pid 19170] <... mount resumed>) = -1 EFAULT (Bad address) ./strace-static-x86_64: Process 19174 attached [pid 19172] <... futex resumed>) = 1 [pid 19171] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19170] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19166] <... futex resumed>) = 0 [pid 19174] set_robust_list(0x55555697d6e0, 24 [pid 19172] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19171] <... futex resumed>) = 1 [pid 19170] <... futex resumed>) = 1 [pid 19168] <... futex resumed>) = 0 [pid 19167] <... futex resumed>) = 0 [pid 19166] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19174] <... set_robust_list resumed>) = 0 [pid 19172] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19171] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19170] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19168] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19167] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19166] <... futex resumed>) = 0 [pid 19174] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 19172] write(4, NULL, 126976 [pid 19171] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19170] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19168] <... futex resumed>) = 0 [pid 19167] <... futex resumed>) = 0 [pid 19166] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19174] <... prctl resumed>) = 0 [pid 19172] <... write resumed>) = -1 EFAULT (Bad address) [pid 19171] write(4, NULL, 126976 [pid 19170] write(4, NULL, 126976 [pid 19168] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19167] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19174] setpgid(0, 0 [pid 19172] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19171] <... write resumed>) = -1 EFAULT (Bad address) [pid 19170] <... write resumed>) = -1 EFAULT (Bad address) [pid 19174] <... setpgid resumed>) = 0 [pid 19172] <... futex resumed>) = 1 [pid 19171] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19170] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19166] <... futex resumed>) = 0 [pid 19174] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 19172] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19171] <... futex resumed>) = 1 [pid 19170] <... futex resumed>) = 1 [pid 19168] <... futex resumed>) = 0 [pid 19167] <... futex resumed>) = 0 [pid 19166] exit_group(0 [pid 19174] <... openat resumed>) = 3 [pid 19172] <... futex resumed>) = ? [pid 19171] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19170] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19168] exit_group(0 [pid 19167] exit_group(0 [pid 19166] <... exit_group resumed>) = ? [pid 19174] write(3, "1000", 4 [pid 19172] +++ exited with 0 +++ [pid 19171] <... futex resumed>) = ? [pid 19170] <... futex resumed>) = ? [pid 19168] <... exit_group resumed>) = ? [pid 19167] <... exit_group resumed>) = ? [pid 19166] +++ exited with 0 +++ [pid 19174] <... write resumed>) = 4 [pid 19171] +++ exited with 0 +++ [pid 19170] +++ exited with 0 +++ [pid 19168] +++ exited with 0 +++ [pid 19174] close(3) = 0 [pid 19174] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 19174] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe89d140000 [pid 19174] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 19167] +++ exited with 0 +++ [pid 19174] <... mprotect resumed>) = 0 [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19166, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19168, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19167, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 19174] 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=[19176], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 19176 [pid 19174] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3611] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 19174] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000}./strace-static-x86_64: Process 19176 attached [pid 3611] <... openat resumed>) = 3 [pid 3611] ioctl(3, LOOP_CLR_FD [pid 3609] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 19176] set_robust_list(0x7fe89d1609e0, 24 [pid 3611] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3609] <... openat resumed>) = 3 [pid 3611] close(3 [pid 3609] ioctl(3, LOOP_CLR_FD [pid 3613] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 3611] <... close resumed>) = 0 [pid 3609] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3613] <... openat resumed>) = 3 [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3613] ioctl(3, LOOP_CLR_FD [pid 3609] close(3 [pid 19176] <... set_robust_list resumed>) = 0 [pid 19175] <... mount resumed>) = -1 EFAULT (Bad address) [pid 19176] mkdir("./file0", 0777 [pid 3613] <... ioctl resumed>) = -1 ENXIO (No such device or address) ./strace-static-x86_64: Process 19177 attached [pid 19176] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 19175] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3613] close(3 [pid 3611] <... clone resumed>, child_tidptr=0x55555697d6d0) = 19177 [pid 3609] <... close resumed>) = 0 [pid 3613] <... close resumed>) = 0 [pid 3609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 19177] set_robust_list(0x55555697d6e0, 24 [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 19177] <... set_robust_list resumed>) = 0 [pid 3609] <... clone resumed>, child_tidptr=0x55555697d6d0) = 19178 [pid 19177] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 19176] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 19175] <... futex resumed>) = 1 [pid 19173] <... futex resumed>) = 0 [pid 3613] <... clone resumed>, child_tidptr=0x55555697d6d0) = 19179 [pid 19177] <... prctl resumed>) = 0 [pid 19176] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19175] write(4, NULL, 126976 [pid 19173] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 19178 attached [pid 19177] setpgid(0, 0 [pid 19176] <... futex resumed>) = 1 [pid 19175] <... write resumed>) = -1 EFAULT (Bad address) [pid 19174] <... futex resumed>) = 0 [pid 19173] <... futex resumed>) = 0 [pid 19177] <... setpgid resumed>) = 0 [pid 19173] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 19179 attached [pid 19177] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 19179] set_robust_list(0x55555697d6e0, 24 [pid 19177] <... openat resumed>) = 3 [pid 19176] pipe2( [pid 19175] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19174] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19179] <... set_robust_list resumed>) = 0 [pid 19177] write(3, "1000", 4 [pid 19176] <... pipe2 resumed>[3, 4], 0) = 0 [pid 19178] set_robust_list(0x55555697d6e0, 24 [pid 19175] <... futex resumed>) = 1 [pid 19174] <... futex resumed>) = 0 [pid 19173] <... futex resumed>) = 0 [pid 19179] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 19178] <... set_robust_list resumed>) = 0 [pid 19177] <... write resumed>) = 4 [pid 19176] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19175] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19174] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19173] exit_group(0 [pid 19179] <... prctl resumed>) = 0 [pid 19178] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 19177] close(3 [pid 19176] <... futex resumed>) = 0 [pid 19175] <... futex resumed>) = ? [pid 19174] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19173] <... exit_group resumed>) = ? [pid 19179] setpgid(0, 0 [pid 19178] <... prctl resumed>) = 0 [pid 19177] <... close resumed>) = 0 [pid 19176] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19175] +++ exited with 0 +++ [pid 19174] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19179] <... setpgid resumed>) = 0 [pid 19178] setpgid(0, 0 [pid 19177] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19176] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19174] <... futex resumed>) = 0 [pid 19173] +++ exited with 0 +++ [pid 19179] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 19178] <... setpgid resumed>) = 0 [pid 19177] <... futex resumed>) = 0 [pid 19176] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 19174] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19173, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 19179] <... openat resumed>) = 3 [pid 19178] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 19177] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3610] restart_syscall(<... resuming interrupted clone ...> [pid 19179] write(3, "1000", 4 [pid 19178] <... openat resumed>) = 3 [pid 19177] <... mmap resumed>) = 0x7fe89d140000 [pid 3610] <... restart_syscall resumed>) = 0 [pid 19179] <... write resumed>) = 4 [pid 19178] write(3, "1000", 4 [pid 19177] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 19179] close(3 [pid 19178] <... write resumed>) = 4 [pid 19177] <... mprotect resumed>) = 0 [pid 19179] <... close resumed>) = 0 [pid 19178] close(3 [pid 19177] 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] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 19179] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19178] <... close resumed>) = 0 [pid 3610] <... openat resumed>) = 3 [pid 19179] <... futex resumed>) = 0 [pid 19178] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19177] <... clone resumed>, parent_tid=[19180], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 19180 [pid 3610] ioctl(3, LOOP_CLR_FD [pid 19179] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 19178] <... futex resumed>) = 0 [pid 19177] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19176] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3610] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 19179] <... mmap resumed>) = 0x7fe89d140000 [pid 19178] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 19177] <... futex resumed>) = 0 [pid 19176] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3610] close(3./strace-static-x86_64: Process 19180 attached [pid 19179] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 19178] <... mmap resumed>) = 0x7fe89d140000 [pid 19177] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 19176] <... futex resumed>) = 1 [pid 19174] <... futex resumed>) = 0 [pid 3610] <... close resumed>) = 0 [pid 19179] <... mprotect resumed>) = 0 [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 19179] 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) = 19181 [pid 19179] <... clone resumed>, parent_tid=[19182], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 19182 [pid 19179] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19178] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 19174] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19180] set_robust_list(0x7fe89d1609e0, 24 [pid 19176] write(4, NULL, 126976 [pid 19180] <... set_robust_list resumed>) = 0 [pid 19179] <... futex resumed>) = 0 [pid 19178] <... mprotect resumed>) = 0 [pid 19176] <... write resumed>) = -1 EFAULT (Bad address) [pid 19174] <... futex resumed>) = 0 ./strace-static-x86_64: Process 19182 attached ./strace-static-x86_64: Process 19181 attached [pid 19180] mkdir("./file0", 0777 [pid 19179] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 19178] 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 19176] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19174] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19182] set_robust_list(0x7fe89d1609e0, 24 [pid 19181] set_robust_list(0x55555697d6e0, 24 [pid 19180] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 19176] <... futex resumed>) = 0 [pid 19174] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19182] <... set_robust_list resumed>) = 0 [pid 19181] <... set_robust_list resumed>) = 0 [pid 19180] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 19178] <... clone resumed>, parent_tid=[19183], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 19183 [pid 19176] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19174] exit_group(0./strace-static-x86_64: Process 19183 attached [pid 19182] mkdir("./file0", 0777 [pid 19181] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 19180] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19178] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19176] <... futex resumed>) = ? [pid 19174] <... exit_group resumed>) = ? [pid 19183] set_robust_list(0x7fe89d1609e0, 24 [pid 19182] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 19181] <... prctl resumed>) = 0 [pid 19180] <... futex resumed>) = 1 [pid 19178] <... futex resumed>) = 0 [pid 19177] <... futex resumed>) = 0 [pid 19176] +++ exited with 0 +++ [pid 19183] <... set_robust_list resumed>) = 0 [pid 19182] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 19181] setpgid(0, 0 [pid 19180] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19178] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 19177] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19174] +++ exited with 0 +++ [pid 19183] mkdir("./file0", 0777 [pid 19182] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19181] <... setpgid resumed>) = 0 [pid 19180] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19177] <... futex resumed>) = 0 [pid 3612] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19174, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 19183] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 19182] <... futex resumed>) = 1 [pid 19181] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 19180] pipe2( [pid 19179] <... futex resumed>) = 0 [pid 19177] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19182] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19180] <... pipe2 resumed>[3, 4], 0) = 0 [pid 19179] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19183] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 19182] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19181] <... openat resumed>) = 3 [pid 19180] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19179] <... futex resumed>) = 0 [pid 3612] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 19183] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19182] pipe2( [pid 19181] write(3, "1000", 4 [pid 19180] <... futex resumed>) = 1 [pid 19179] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19177] <... futex resumed>) = 0 [pid 3612] <... openat resumed>) = 3 [pid 19183] <... futex resumed>) = 1 [pid 19182] <... pipe2 resumed>[3, 4], 0) = 0 [pid 19181] <... write resumed>) = 4 [pid 19180] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19178] <... futex resumed>) = 0 [pid 19177] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3612] ioctl(3, LOOP_CLR_FD [pid 19183] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19182] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19181] close(3 [pid 19180] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19178] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19177] <... futex resumed>) = 0 [pid 3612] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 19183] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19182] <... futex resumed>) = 1 [pid 19181] <... close resumed>) = 0 [pid 19180] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 19179] <... futex resumed>) = 0 [pid 19178] <... futex resumed>) = 0 [pid 19177] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3612] close(3 [pid 19183] pipe2( [pid 19182] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19181] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19179] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19178] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3612] <... close resumed>) = 0 [pid 19182] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19179] <... futex resumed>) = 0 [pid 19182] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 19179] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19181] <... futex resumed>) = 0 [pid 3612] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 19183] <... pipe2 resumed>[3, 4], 0) = 0 [pid 19182] <... mount resumed>) = -1 EFAULT (Bad address) [pid 19181] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 19182] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 19179] <... futex resumed>) = 0 [pid 19182] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19179] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19183] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19182] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19181] <... mmap resumed>) = 0x7fe89d140000 [pid 19179] <... futex resumed>) = 0 [pid 3612] <... clone resumed>, child_tidptr=0x55555697d6d0) = 19184 [pid 19183] <... futex resumed>) = 1 [pid 19182] write(4, NULL, 126976 [pid 19181] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 19179] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19178] <... futex resumed>) = 0 ./strace-static-x86_64: Process 19184 attached [pid 19183] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19182] <... write resumed>) = -1 EFAULT (Bad address) [pid 19181] <... mprotect resumed>) = 0 [pid 19180] <... mount resumed>) = -1 EFAULT (Bad address) [pid 19178] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19184] set_robust_list(0x55555697d6e0, 24 [pid 19183] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19182] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19181] 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 19180] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19178] <... futex resumed>) = 0 ./strace-static-x86_64: Process 19185 attached [pid 19184] <... set_robust_list resumed>) = 0 [pid 19183] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 19182] <... futex resumed>) = 1 [pid 19180] <... futex resumed>) = 1 [pid 19179] <... futex resumed>) = 0 [pid 19178] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19177] <... futex resumed>) = 0 [pid 19185] set_robust_list(0x7fe89d1609e0, 24 [pid 19184] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 19182] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19181] <... clone resumed>, parent_tid=[19185], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 19185 [pid 19180] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19179] exit_group(0 [pid 19177] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19185] <... set_robust_list resumed>) = 0 [pid 19184] <... prctl resumed>) = 0 [pid 19182] <... futex resumed>) = ? [pid 19181] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19180] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19179] <... exit_group resumed>) = ? [pid 19177] <... futex resumed>) = 0 [pid 19185] mkdir("./file0", 0777 [pid 19184] setpgid(0, 0 [pid 19182] +++ exited with 0 +++ [pid 19181] <... futex resumed>) = 0 [pid 19180] write(4, NULL, 126976 [pid 19185] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 19184] <... setpgid resumed>) = 0 [pid 19181] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 19180] <... write resumed>) = -1 EFAULT (Bad address) [pid 19185] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 19184] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 19180] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19179] +++ exited with 0 +++ [pid 19177] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19185] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19184] <... openat resumed>) = 3 [pid 19180] <... futex resumed>) = 0 [pid 19177] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19185] <... futex resumed>) = 1 [pid 19184] write(3, "1000", 4 [pid 19181] <... futex resumed>) = 0 [pid 19180] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19177] exit_group(0 [pid 19185] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19184] <... write resumed>) = 4 [pid 19181] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19180] <... futex resumed>) = ? [pid 19177] <... exit_group resumed>) = ? [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19179, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 19185] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19184] close(3 [pid 19181] <... futex resumed>) = 0 [pid 19180] +++ exited with 0 +++ [pid 3613] restart_syscall(<... resuming interrupted clone ...> [pid 19185] pipe2( [pid 19184] <... close resumed>) = 0 [pid 19181] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19185] <... pipe2 resumed>[3, 4], 0) = 0 [pid 19184] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19185] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19184] <... futex resumed>) = 0 [pid 19185] <... futex resumed>) = 1 [pid 19184] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 19181] <... futex resumed>) = 0 [pid 19177] +++ exited with 0 +++ [pid 3613] <... restart_syscall resumed>) = 0 [pid 19185] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19184] <... mmap resumed>) = 0x7fe89d140000 [pid 19183] <... mount resumed>) = -1 EFAULT (Bad address) [pid 19181] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19177, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 19185] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19184] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 19183] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19181] <... futex resumed>) = 0 [pid 19185] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 19184] <... mprotect resumed>) = 0 [pid 19183] <... futex resumed>) = 1 [pid 19181] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19178] <... futex resumed>) = 0 [pid 3613] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 19184] 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 19183] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19178] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3613] <... openat resumed>) = 3 [pid 19183] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19178] <... futex resumed>) = 0 [pid 3613] ioctl(3, LOOP_CLR_FD [pid 19183] write(4, NULL, 126976 [pid 3613] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 19183] <... write resumed>) = -1 EFAULT (Bad address) [pid 3613] close(3 [pid 3611] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 19184] <... clone resumed>, parent_tid=[19186], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 19186 [pid 19183] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19178] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3613] <... close resumed>) = 0 [pid 3611] <... openat resumed>) = 3 [pid 19184] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19183] <... futex resumed>) = 0 [pid 19178] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3611] ioctl(3, LOOP_CLR_FD [pid 19184] <... futex resumed>) = 0 [pid 19183] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19178] exit_group(0 [pid 3611] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 19184] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 19183] <... futex resumed>) = ? [pid 19178] <... exit_group resumed>) = ? [pid 3613] <... clone resumed>, child_tidptr=0x55555697d6d0) = 19187 [pid 3611] close(3 [pid 19183] +++ exited with 0 +++ [pid 3611] <... close resumed>) = 0 [pid 19178] +++ exited with 0 +++ [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19187 attached , child_tidptr=0x55555697d6d0) = 19188 [pid 3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19178, si_uid=0, si_status=0, si_utime=1, si_stime=1} --- [pid 19187] set_robust_list(0x55555697d6e0, 24 [pid 3609] restart_syscall(<... resuming interrupted clone ...> [pid 19187] <... set_robust_list resumed>) = 0 [pid 3609] <... restart_syscall resumed>) = 0 [pid 19187] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 19185] <... mount resumed>) = -1 EFAULT (Bad address) [pid 19187] setpgid(0, 0 [pid 19185] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3609] openat(AT_FDCWD, "/dev/loop0", O_RDWR./strace-static-x86_64: Process 19188 attached [pid 19187] <... setpgid resumed>) = 0 [pid 19185] <... futex resumed>) = 1 [pid 19181] <... futex resumed>) = 0 [pid 3609] <... openat resumed>) = 3 ./strace-static-x86_64: Process 19186 attached [pid 19188] set_robust_list(0x55555697d6e0, 24 [pid 19187] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 19185] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19181] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3609] ioctl(3, LOOP_CLR_FD [pid 19188] <... set_robust_list resumed>) = 0 [pid 19187] <... openat resumed>) = 3 [pid 3609] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 19188] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 19187] write(3, "1000", 4 [pid 3609] close(3 [pid 19188] <... prctl resumed>) = 0 [pid 19187] <... write resumed>) = 4 [pid 3609] <... close resumed>) = 0 [pid 19188] setpgid(0, 0 [pid 19187] close(3 [pid 3609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 19188] <... setpgid resumed>) = 0 [pid 19187] <... close resumed>) = 0 [pid 19186] set_robust_list(0x7fe89d1609e0, 24 [pid 19185] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19181] <... futex resumed>) = 0 [pid 19188] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 19187] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19186] <... set_robust_list resumed>) = 0 [pid 19185] write(4, NULL, 126976 [pid 19181] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3609] <... clone resumed>, child_tidptr=0x55555697d6d0) = 19189 ./strace-static-x86_64: Process 19189 attached [pid 19188] <... openat resumed>) = 3 [pid 19187] <... futex resumed>) = 0 [pid 19186] mkdir("./file0", 0777 [pid 19185] <... write resumed>) = -1 EFAULT (Bad address) [pid 19189] set_robust_list(0x55555697d6e0, 24 [pid 19188] write(3, "1000", 4 [pid 19187] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 19186] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 19185] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19189] <... set_robust_list resumed>) = 0 [pid 19188] <... write resumed>) = 4 [pid 19187] <... mmap resumed>) = 0x7fe89d140000 [pid 19186] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 19185] <... futex resumed>) = 1 [pid 19181] <... futex resumed>) = 0 [pid 19189] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 19188] close(3 [pid 19187] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 19186] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19185] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19181] exit_group(0 [pid 19189] <... prctl resumed>) = 0 [pid 19188] <... close resumed>) = 0 [pid 19187] <... mprotect resumed>) = 0 [pid 19188] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19187] 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 19188] <... futex resumed>) = 0 [pid 19188] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 19187] <... clone resumed>, parent_tid=[19190], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 19190 [pid 19189] setpgid(0, 0 [pid 19188] <... mmap resumed>) = 0x7fe89d140000 [pid 19187] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19186] <... futex resumed>) = 1 [pid 19185] <... futex resumed>) = ? [pid 19184] <... futex resumed>) = 0 [pid 19181] <... exit_group resumed>) = ? [pid 19189] <... setpgid resumed>) = 0 [pid 19188] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 19187] <... futex resumed>) = 0 [pid 19186] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19185] +++ exited with 0 +++ [pid 19184] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 19190 attached [pid 19189] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 19188] <... mprotect resumed>) = 0 [pid 19187] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 19186] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19184] <... futex resumed>) = 0 [pid 19181] +++ exited with 0 +++ [pid 19190] set_robust_list(0x7fe89d1609e0, 24 [pid 19189] <... openat resumed>) = 3 [pid 19188] 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 19186] pipe2( [pid 19184] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19181, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 19190] <... set_robust_list resumed>) = 0 [pid 19189] write(3, "1000", 4 [pid 19186] <... pipe2 resumed>[3, 4], 0) = 0 [pid 3610] restart_syscall(<... resuming interrupted clone ...> [pid 19189] <... write resumed>) = 4 [pid 19188] <... clone resumed>, parent_tid=[19191], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 19191 [pid 19186] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3610] <... restart_syscall resumed>) = 0 [pid 19190] mkdir("./file0", 0777 [pid 19189] close(3 [pid 19188] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19186] <... futex resumed>) = 1 [pid 19184] <... futex resumed>) = 0 [pid 19190] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 19189] <... close resumed>) = 0 [pid 19188] <... futex resumed>) = 0 [pid 19186] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19184] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19190] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 19189] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19188] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 19186] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19184] <... futex resumed>) = 0 [pid 19190] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19189] <... futex resumed>) = 0 [pid 19186] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 19184] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3610] openat(AT_FDCWD, "/dev/loop1", O_RDWR./strace-static-x86_64: Process 19191 attached [pid 19190] <... futex resumed>) = 1 [pid 19189] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 19187] <... futex resumed>) = 0 [pid 3610] <... openat resumed>) = 3 [pid 19190] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19189] <... mmap resumed>) = 0x7fe89d140000 [pid 19187] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3610] ioctl(3, LOOP_CLR_FD [pid 19190] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19189] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 19187] <... futex resumed>) = 0 [pid 3610] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 19190] pipe2( [pid 19187] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3610] close(3 [pid 19190] <... pipe2 resumed>[3, 4], 0) = 0 [pid 19189] <... mprotect resumed>) = 0 [pid 3610] <... close resumed>) = 0 [pid 19190] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19189] 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 [pid 19190] <... futex resumed>) = 1 [pid 19187] <... futex resumed>) = 0 [pid 19190] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19187] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3610] <... clone resumed>, child_tidptr=0x55555697d6d0) = 19192 [pid 19190] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19187] <... futex resumed>) = 0 [pid 19190] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 19187] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 19193 attached [pid 19191] set_robust_list(0x7fe89d1609e0, 24 [pid 19189] <... clone resumed>, parent_tid=[19193], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 19193 ./strace-static-x86_64: Process 19192 attached [pid 19193] set_robust_list(0x7fe89d1609e0, 24 [pid 19191] <... set_robust_list resumed>) = 0 [pid 19189] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19186] <... mount resumed>) = -1 EFAULT (Bad address) [pid 19193] <... set_robust_list resumed>) = 0 [pid 19192] set_robust_list(0x55555697d6e0, 24 [pid 19191] mkdir("./file0", 0777 [pid 19189] <... futex resumed>) = 0 [pid 19186] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19193] mkdir("./file0", 0777 [pid 19192] <... set_robust_list resumed>) = 0 [pid 19191] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 19189] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 19186] <... futex resumed>) = 1 [pid 19184] <... futex resumed>) = 0 [pid 19193] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 19192] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 19191] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 19186] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19184] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19193] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 19192] <... prctl resumed>) = 0 [pid 19191] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19186] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19184] <... futex resumed>) = 0 [pid 19193] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19192] setpgid(0, 0 [pid 19191] <... futex resumed>) = 1 [pid 19188] <... futex resumed>) = 0 [pid 19186] write(4, NULL, 126976 [pid 19184] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19193] <... futex resumed>) = 1 [pid 19192] <... setpgid resumed>) = 0 [pid 19191] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19190] <... mount resumed>) = -1 EFAULT (Bad address) [pid 19189] <... futex resumed>) = 0 [pid 19188] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19186] <... write resumed>) = -1 EFAULT (Bad address) [pid 19193] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19192] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 19191] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19190] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19189] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19188] <... futex resumed>) = 0 [pid 19186] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19193] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19192] <... openat resumed>) = 3 [pid 19191] pipe2( [pid 19190] <... futex resumed>) = 1 [pid 19189] <... futex resumed>) = 0 [pid 19188] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19187] <... futex resumed>) = 0 [pid 19186] <... futex resumed>) = 1 [pid 19184] <... futex resumed>) = 0 [pid 19193] pipe2( [pid 19192] write(3, "1000", 4 [pid 19191] <... pipe2 resumed>[3, 4], 0) = 0 [pid 19190] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19189] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19187] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19186] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19184] exit_group(0 [pid 19193] <... pipe2 resumed>[3, 4], 0) = 0 [pid 19192] <... write resumed>) = 4 [pid 19191] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19190] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19187] <... futex resumed>) = 0 [pid 19186] <... futex resumed>) = ? [pid 19184] <... exit_group resumed>) = ? [pid 19193] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19192] close(3 [pid 19191] <... futex resumed>) = 1 [pid 19190] write(4, NULL, 126976 [pid 19188] <... futex resumed>) = 0 [pid 19187] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19186] +++ exited with 0 +++ [pid 19193] <... futex resumed>) = 1 [pid 19192] <... close resumed>) = 0 [pid 19191] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19190] <... write resumed>) = -1 EFAULT (Bad address) [pid 19189] <... futex resumed>) = 0 [pid 19188] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19184] +++ exited with 0 +++ [pid 19193] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19192] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19191] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19190] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19189] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19188] <... futex resumed>) = 0 [pid 3612] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19184, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 19193] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19192] <... futex resumed>) = 0 [pid 19191] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 19190] <... futex resumed>) = 1 [pid 19189] <... futex resumed>) = 0 [pid 19188] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19187] <... futex resumed>) = 0 [pid 19193] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 19192] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 19190] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19189] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19187] exit_group(0 [pid 19192] <... mmap resumed>) = 0x7fe89d140000 [pid 19190] <... futex resumed>) = ? [pid 19187] <... exit_group resumed>) = ? [pid 19192] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 19190] +++ exited with 0 +++ [pid 19187] +++ exited with 0 +++ [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19187, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3613] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 19192] <... mprotect resumed>) = 0 [pid 3612] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 19192] 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 3612] <... openat resumed>) = 3 [pid 19192] <... clone resumed>, parent_tid=[19194], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 19194 [pid 3613] <... openat resumed>) = 3 [pid 3612] ioctl(3, LOOP_CLR_FD [pid 19192] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3613] ioctl(3, LOOP_CLR_FD [pid 3612] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3613] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 19192] <... futex resumed>) = 0 [pid 3613] close(3 [pid 3612] close(3 [pid 19192] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 3613] <... close resumed>) = 0 [pid 3612] <... close resumed>) = 0 [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./strace-static-x86_64: Process 19194 attached [pid 3613] <... clone resumed>, child_tidptr=0x55555697d6d0) = 19195 [pid 19194] set_robust_list(0x7fe89d1609e0, 24) = 0 [pid 19194] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 19194] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3612] <... clone resumed>, child_tidptr=0x55555697d6d0) = 19196 [pid 19194] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 19192] <... futex resumed>) = 0 [pid 19194] pipe2( [pid 19192] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19194] <... pipe2 resumed>[3, 4], 0) = 0 [pid 19192] <... futex resumed>) = 0 [pid 19191] <... mount resumed>) = -1 EFAULT (Bad address) ./strace-static-x86_64: Process 19196 attached [pid 19194] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19192] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19196] set_robust_list(0x55555697d6e0, 24 [pid 19194] <... futex resumed>) = 0 [pid 19193] <... mount resumed>) = -1 EFAULT (Bad address) [pid 19192] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19191] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 19195 attached [pid 19196] <... set_robust_list resumed>) = 0 [pid 19194] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19193] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19192] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19191] <... futex resumed>) = 1 [pid 19188] <... futex resumed>) = 0 [pid 19196] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 19195] set_robust_list(0x55555697d6e0, 24 [pid 19194] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19193] <... futex resumed>) = 1 [pid 19192] <... futex resumed>) = 0 [pid 19191] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19189] <... futex resumed>) = 0 [pid 19188] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19196] <... prctl resumed>) = 0 [pid 19195] <... set_robust_list resumed>) = 0 [pid 19194] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 19193] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19192] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19191] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19189] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19188] <... futex resumed>) = 0 [pid 19196] setpgid(0, 0 [pid 19195] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 19193] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19191] write(4, NULL, 126976 [pid 19189] <... futex resumed>) = 0 [pid 19188] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19196] <... setpgid resumed>) = 0 [pid 19195] <... prctl resumed>) = 0 [pid 19193] write(4, NULL, 126976 [pid 19191] <... write resumed>) = -1 EFAULT (Bad address) [pid 19189] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19196] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 19195] setpgid(0, 0 [pid 19193] <... write resumed>) = -1 EFAULT (Bad address) [pid 19191] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19196] <... openat resumed>) = 3 [pid 19195] <... setpgid resumed>) = 0 [pid 19193] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19191] <... futex resumed>) = 1 [pid 19188] <... futex resumed>) = 0 [pid 19196] write(3, "1000", 4 [pid 19195] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 19193] <... futex resumed>) = 1 [pid 19191] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19189] <... futex resumed>) = 0 [pid 19188] exit_group(0 [pid 19196] <... write resumed>) = 4 [pid 19195] <... openat resumed>) = 3 [pid 19194] <... mount resumed>) = -1 EFAULT (Bad address) [pid 19193] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19189] exit_group(0 [pid 19188] <... exit_group resumed>) = ? [pid 19191] <... futex resumed>) = ? [pid 19196] close(3 [pid 19195] write(3, "1000", 4 [pid 19194] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19193] <... futex resumed>) = ? [pid 19189] <... exit_group resumed>) = ? [pid 19196] <... close resumed>) = 0 [pid 19195] <... write resumed>) = 4 [pid 19194] <... futex resumed>) = 1 [pid 19193] +++ exited with 0 +++ [pid 19192] <... futex resumed>) = 0 [pid 19191] +++ exited with 0 +++ [pid 19188] +++ exited with 0 +++ [pid 19195] close(3 [pid 19192] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19189] +++ exited with 0 +++ [pid 19196] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19195] <... close resumed>) = 0 [pid 19192] <... futex resumed>) = 0 [pid 19194] write(4, NULL, 126976 [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19188, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 19196] <... futex resumed>) = 0 [pid 19195] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19194] <... write resumed>) = -1 EFAULT (Bad address) [pid 19192] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3611] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19189, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 19196] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 19195] <... futex resumed>) = 0 [pid 19194] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19192] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19195] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3611] <... openat resumed>) = 3 [pid 3609] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 19196] <... mmap resumed>) = 0x7fe89d140000 [pid 19195] <... mmap resumed>) = 0x7fe89d140000 [pid 19192] exit_group(0 [pid 3611] ioctl(3, LOOP_CLR_FD [pid 19196] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 19195] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 19194] <... futex resumed>) = ? [pid 19192] <... exit_group resumed>) = ? [pid 3611] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3609] <... openat resumed>) = 3 [pid 19196] <... mprotect resumed>) = 0 [pid 19195] <... mprotect resumed>) = 0 [pid 19195] 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] close(3 [pid 3609] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 19197 attached [pid 19196] 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 3611] <... close resumed>) = 0 [pid 19195] <... clone resumed>, parent_tid=[19197], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 19197 [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3609] close(3 [pid 19195] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19197] set_robust_list(0x7fe89d1609e0, 24) = 0 [pid 19197] mkdir("./file0", 0777 [pid 3609] <... close resumed>) = 0 [pid 19195] <... futex resumed>) = 0 [pid 3609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 19196] <... clone resumed>, parent_tid=[19198], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 19198 [pid 19195] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 3611] <... clone resumed>, child_tidptr=0x55555697d6d0) = 19199 [pid 19197] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 19197] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 19196] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3609] <... clone resumed>, child_tidptr=0x55555697d6d0) = 19200 [pid 19197] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 19197] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 19200 attached [pid 19195] <... futex resumed>) = 0 [pid 19195] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 19195] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19197] <... futex resumed>) = 0 [pid 19197] pipe2( [pid 19200] set_robust_list(0x55555697d6e0, 24 [pid 19197] <... pipe2 resumed>[3, 4], 0) = 0 [pid 19200] <... set_robust_list resumed>) = 0 [pid 19197] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19196] <... futex resumed>) = 0 ./strace-static-x86_64: Process 19198 attached [pid 19200] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 19197] <... futex resumed>) = 1 [pid 19196] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 19195] <... futex resumed>) = 0 [pid 19200] <... prctl resumed>) = 0 [pid 19198] set_robust_list(0x7fe89d1609e0, 24 [pid 19197] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19195] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19200] setpgid(0, 0 [pid 19198] <... set_robust_list resumed>) = 0 [pid 19197] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19195] <... futex resumed>) = 0 [pid 19200] <... setpgid resumed>) = 0 [pid 19198] mkdir("./file0", 0777 [pid 19197] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 19195] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19200] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 19198] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 19194] +++ exited with 0 +++ [pid 19192] +++ exited with 0 +++ ./strace-static-x86_64: Process 19199 attached [pid 19200] <... openat resumed>) = 3 [pid 19198] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19192, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 19200] write(3, "1000", 4 [pid 19199] set_robust_list(0x55555697d6e0, 24 [pid 19198] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19200] <... write resumed>) = 4 [pid 19198] <... futex resumed>) = 1 [pid 19196] <... futex resumed>) = 0 [pid 19200] close(3 [pid 19199] <... set_robust_list resumed>) = 0 [pid 19198] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19196] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19200] <... close resumed>) = 0 [pid 19198] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19196] <... futex resumed>) = 0 [pid 19200] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19199] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 19198] pipe2( [pid 19196] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19200] <... futex resumed>) = 0 [pid 19199] <... prctl resumed>) = 0 [pid 19198] <... pipe2 resumed>[3, 4], 0) = 0 [pid 3610] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 19200] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 19199] setpgid(0, 0 [pid 19198] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19200] <... mmap resumed>) = 0x7fe89d140000 [pid 19199] <... setpgid resumed>) = 0 [pid 19198] <... futex resumed>) = 1 [pid 19196] <... futex resumed>) = 0 [pid 3610] <... openat resumed>) = 3 [pid 19200] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 19199] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 19198] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19196] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19200] <... mprotect resumed>) = 0 [pid 19198] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19196] <... futex resumed>) = 0 [pid 3610] ioctl(3, LOOP_CLR_FD [pid 19200] 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 19199] <... openat resumed>) = 3 [pid 19198] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 19196] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3610] <... ioctl resumed>) = -1 ENXIO (No such device or address) ./strace-static-x86_64: Process 19201 attached [pid 19199] write(3, "1000", 4 [pid 3610] close(3 [pid 19201] set_robust_list(0x7fe89d1609e0, 24 [pid 19200] <... clone resumed>, parent_tid=[19201], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 19201 [pid 19199] <... write resumed>) = 4 [pid 3610] <... close resumed>) = 0 [pid 19200] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19199] close(3 [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 19201] <... set_robust_list resumed>) = 0 [pid 19200] <... futex resumed>) = 0 [pid 19199] <... close resumed>) = 0 ./strace-static-x86_64: Process 19202 attached [pid 19200] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 19199] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19202] set_robust_list(0x55555697d6e0, 24 [pid 19201] mkdir("./file0", 0777 [pid 19199] <... futex resumed>) = 0 [pid 3610] <... clone resumed>, child_tidptr=0x55555697d6d0) = 19202 [pid 19202] <... set_robust_list resumed>) = 0 [pid 19199] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 19202] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 19201] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 19199] <... mmap resumed>) = 0x7fe89d140000 [pid 19202] <... prctl resumed>) = 0 [pid 19201] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 19199] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 19202] setpgid(0, 0 [pid 19199] <... mprotect resumed>) = 0 [pid 19202] <... setpgid resumed>) = 0 [pid 19199] 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 19202] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 19199] <... clone resumed>, parent_tid=[19203], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 19203 ./strace-static-x86_64: Process 19203 attached [pid 19202] write(3, "1000", 4 [pid 19201] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19199] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19197] <... mount resumed>) = -1 EFAULT (Bad address) [pid 19203] set_robust_list(0x7fe89d1609e0, 24 [pid 19202] <... write resumed>) = 4 [pid 19201] <... futex resumed>) = 1 [pid 19200] <... futex resumed>) = 0 [pid 19199] <... futex resumed>) = 0 [pid 19197] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19203] <... set_robust_list resumed>) = 0 [pid 19202] close(3 [pid 19201] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19200] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19199] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 19198] <... mount resumed>) = -1 EFAULT (Bad address) [pid 19197] <... futex resumed>) = 1 [pid 19195] <... futex resumed>) = 0 [pid 19203] mkdir("./file0", 0777 [pid 19202] <... close resumed>) = 0 [pid 19201] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19200] <... futex resumed>) = 0 [pid 19198] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19197] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19195] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19203] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 19202] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19201] pipe2( [pid 19200] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19198] <... futex resumed>) = 1 [pid 19197] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19196] <... futex resumed>) = 0 [pid 19195] <... futex resumed>) = 0 [pid 19203] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 19202] <... futex resumed>) = 0 [pid 19201] <... pipe2 resumed>[3, 4], 0) = 0 [pid 19198] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19197] write(4, NULL, 126976 [pid 19196] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19195] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19203] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19202] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 19201] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19198] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19197] <... write resumed>) = -1 EFAULT (Bad address) [pid 19196] <... futex resumed>) = 0 [pid 19203] <... futex resumed>) = 1 [pid 19202] <... mmap resumed>) = 0x7fe89d140000 [pid 19201] <... futex resumed>) = 1 [pid 19200] <... futex resumed>) = 0 [pid 19199] <... futex resumed>) = 0 [pid 19198] write(4, NULL, 126976 [pid 19197] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19196] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19203] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19202] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 19201] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19200] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19199] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19198] <... write resumed>) = -1 EFAULT (Bad address) [pid 19197] <... futex resumed>) = 1 [pid 19195] <... futex resumed>) = 0 [pid 19203] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19202] <... mprotect resumed>) = 0 [pid 19201] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19200] <... futex resumed>) = 0 [pid 19199] <... futex resumed>) = 0 [pid 19198] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19197] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19195] exit_group(0 [pid 19203] pipe2( [pid 19202] 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 19201] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 19200] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19199] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19198] <... futex resumed>) = 1 [pid 19197] <... futex resumed>) = ? [pid 19196] <... futex resumed>) = 0 [pid 19195] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 19204 attached [pid 19203] <... pipe2 resumed>[3, 4], 0) = 0 [pid 19198] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19197] +++ exited with 0 +++ [pid 19196] exit_group(0 [pid 19202] <... clone resumed>, parent_tid=[19204], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 19204 [pid 19198] <... futex resumed>) = ? [pid 19196] <... exit_group resumed>) = ? [pid 19203] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19202] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19198] +++ exited with 0 +++ [pid 19196] +++ exited with 0 +++ [pid 19195] +++ exited with 0 +++ [pid 19202] <... futex resumed>) = 0 [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19195, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 19203] <... futex resumed>) = 1 [pid 19202] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 19199] <... futex resumed>) = 0 [pid 19203] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19199] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3613] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 19203] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19199] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3613] <... openat resumed>) = 3 [pid 3612] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19196, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 19204] set_robust_list(0x7fe89d1609e0, 24 [pid 3613] ioctl(3, LOOP_CLR_FD [pid 19204] <... set_robust_list resumed>) = 0 [pid 19203] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 3613] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3612] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 19204] mkdir("./file0", 0777 [pid 3613] close(3 [pid 19204] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3613] <... close resumed>) = 0 [pid 19204] --- 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 [pid 19204] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 19202] <... futex resumed>) = 0 [pid 3613] <... clone resumed>, child_tidptr=0x55555697d6d0) = 19205 [pid 19204] pipe2( [pid 19202] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19204] <... pipe2 resumed>[3, 4], 0) = 0 [pid 19202] <... futex resumed>) = 0 [pid 19204] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19202] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19204] <... futex resumed>) = 0 [pid 19202] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19204] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 19202] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 19202] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3612] <... openat resumed>) = 3 ./strace-static-x86_64: Process 19205 attached [pid 19205] set_robust_list(0x55555697d6e0, 24 [pid 3612] ioctl(3, LOOP_CLR_FD [pid 19205] <... set_robust_list resumed>) = 0 [pid 3612] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3612] close(3) = 0 [pid 19205] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3612] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 19205] <... prctl resumed>) = 0 [pid 19205] setpgid(0, 0) = 0 [pid 19205] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3612] <... clone resumed>, child_tidptr=0x55555697d6d0) = 19206 [pid 19205] <... openat resumed>) = 3 [pid 19205] write(3, "1000", 4) = 4 [pid 19205] close(3) = 0 [pid 19205] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 19205] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe89d140000 [pid 19205] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 19206 attached ) = 0 [pid 19205] 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=[19207], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 19207 [pid 19205] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 19205] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000}./strace-static-x86_64: Process 19207 attached [pid 19207] set_robust_list(0x7fe89d1609e0, 24 [pid 19206] set_robust_list(0x55555697d6e0, 24 [pid 19207] <... set_robust_list resumed>) = 0 [pid 19207] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 19207] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 19207] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19205] <... futex resumed>) = 0 [pid 19205] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 19205] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19201] <... mount resumed>) = -1 EFAULT (Bad address) [pid 19201] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19204] <... mount resumed>) = -1 EFAULT (Bad address) [pid 19201] <... futex resumed>) = 1 [pid 19200] <... futex resumed>) = 0 [pid 19207] <... futex resumed>) = 1 [pid 19206] <... set_robust_list resumed>) = 0 [pid 19204] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19200] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19207] pipe2( [pid 19206] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 19204] <... futex resumed>) = 1 [pid 19202] <... futex resumed>) = 0 [pid 19200] <... futex resumed>) = 0 [pid 19207] <... pipe2 resumed>[3, 4], 0) = 0 [pid 19206] <... prctl resumed>) = 0 [pid 19204] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19202] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19200] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19207] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19206] setpgid(0, 0 [pid 19204] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19202] <... futex resumed>) = 0 [pid 19207] <... futex resumed>) = 1 [pid 19206] <... setpgid resumed>) = 0 [pid 19205] <... futex resumed>) = 0 [pid 19204] write(4, NULL, 126976 [pid 19202] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19207] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 19206] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 19205] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19204] <... write resumed>) = -1 EFAULT (Bad address) [pid 19201] write(4, NULL, 126976 [pid 19206] <... openat resumed>) = 3 [pid 19205] <... futex resumed>) = 0 [pid 19204] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19206] write(3, "1000", 4 [pid 19205] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19204] <... futex resumed>) = 1 [pid 19202] <... futex resumed>) = 0 [pid 19201] <... write resumed>) = -1 EFAULT (Bad address) [pid 19206] <... write resumed>) = 4 [pid 19204] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19203] <... mount resumed>) = -1 EFAULT (Bad address) [pid 19202] exit_group(0 [pid 19201] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19206] close(3 [pid 19204] <... futex resumed>) = ? [pid 19203] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19202] <... exit_group resumed>) = ? [pid 19201] <... futex resumed>) = 1 [pid 19200] <... futex resumed>) = 0 [pid 19206] <... close resumed>) = 0 [pid 19204] +++ exited with 0 +++ [pid 19203] <... futex resumed>) = 1 [pid 19202] +++ exited with 0 +++ [pid 19201] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19200] exit_group(0 [pid 19199] <... futex resumed>) = 0 [pid 19206] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19203] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19201] <... futex resumed>) = ? [pid 19200] <... exit_group resumed>) = ? [pid 19199] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19202, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 19206] <... futex resumed>) = 0 [pid 19203] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19201] +++ exited with 0 +++ [pid 19200] +++ exited with 0 +++ [pid 19199] <... futex resumed>) = 0 [pid 3610] restart_syscall(<... resuming interrupted clone ...> [pid 19206] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 19203] write(4, NULL, 126976 [pid 19199] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3610] <... restart_syscall resumed>) = 0 [pid 3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19200, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 19206] <... mmap resumed>) = 0x7fe89d140000 [pid 19203] <... write resumed>) = -1 EFAULT (Bad address) [pid 3609] restart_syscall(<... resuming interrupted clone ...> [pid 19206] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 19203] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3609] <... restart_syscall resumed>) = 0 [pid 19206] 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 19203] <... futex resumed>) = 1 [pid 19199] <... futex resumed>) = 0 [pid 3610] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 19206] <... clone resumed>, parent_tid=[19208], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 19208 [pid 19203] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19199] exit_group(0 [pid 19206] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3610] <... openat resumed>) = 3 [pid 19206] <... futex resumed>) = 0 [pid 19206] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000}./strace-static-x86_64: Process 19208 attached [pid 19208] set_robust_list(0x7fe89d1609e0, 24) = 0 [pid 19199] <... exit_group resumed>) = ? [pid 19203] <... futex resumed>) = ? [pid 19208] mkdir("./file0", 0777 [pid 19203] +++ exited with 0 +++ [pid 19199] +++ exited with 0 +++ [pid 3610] ioctl(3, LOOP_CLR_FD [pid 3609] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19199, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3610] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3609] <... openat resumed>) = 3 [pid 3611] restart_syscall(<... resuming interrupted clone ...> [pid 3610] close(3 [pid 3609] ioctl(3, LOOP_CLR_FD [pid 19208] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3611] <... restart_syscall resumed>) = 0 [pid 3610] <... close resumed>) = 0 [pid 19208] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [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 19208] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 19206] <... futex resumed>) = 0 [pid 19208] pipe2( [pid 19206] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 3609] close(3 [pid 19208] <... pipe2 resumed>[3, 4], 0) = 0 [pid 19206] <... futex resumed>) = 0 [pid 3611] <... openat resumed>) = 3 [pid 3610] <... clone resumed>, child_tidptr=0x55555697d6d0) = 19209 [pid 3609] <... close resumed>) = 0 [pid 19208] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19207] <... mount resumed>) = -1 EFAULT (Bad address) [pid 19206] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3611] ioctl(3, LOOP_CLR_FD [pid 3609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 19208] <... futex resumed>) = 0 [pid 19207] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19206] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3611] <... ioctl resumed>) = -1 ENXIO (No such device or address) ./strace-static-x86_64: Process 19209 attached [pid 19208] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19207] <... futex resumed>) = 1 [pid 19206] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19205] <... futex resumed>) = 0 [pid 3611] close(3 [pid 19209] set_robust_list(0x55555697d6e0, 24 [pid 19208] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19207] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19206] <... futex resumed>) = 0 [pid 19205] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] <... close resumed>) = 0 [pid 3609] <... clone resumed>, child_tidptr=0x55555697d6d0) = 19210 ./strace-static-x86_64: Process 19210 attached [pid 19209] <... set_robust_list resumed>) = 0 [pid 19208] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 19207] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19206] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19205] <... futex resumed>) = 0 [pid 3611] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 19209] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 19207] write(4, NULL, 126976 [pid 19205] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19210] set_robust_list(0x55555697d6e0, 24 [pid 19209] <... prctl resumed>) = 0 [pid 19208] <... mount resumed>) = -1 EFAULT (Bad address) [pid 19207] <... write resumed>) = -1 EFAULT (Bad address) [pid 19210] <... set_robust_list resumed>) = 0 [pid 19209] setpgid(0, 0 [pid 19208] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19207] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3611] <... clone resumed>, child_tidptr=0x55555697d6d0) = 19211 [pid 19210] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 19209] <... setpgid resumed>) = 0 [pid 19208] <... futex resumed>) = 1 [pid 19207] <... futex resumed>) = 1 [pid 19206] <... futex resumed>) = 0 [pid 19205] <... futex resumed>) = 0 ./strace-static-x86_64: Process 19211 attached [pid 19210] <... prctl resumed>) = 0 [pid 19209] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 19208] write(4, NULL, 126976 [pid 19207] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19206] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19205] exit_group(0 [pid 19211] set_robust_list(0x55555697d6e0, 24 [pid 19210] setpgid(0, 0 [pid 19209] <... openat resumed>) = 3 [pid 19208] <... write resumed>) = -1 EFAULT (Bad address) [pid 19207] <... futex resumed>) = ? [pid 19206] <... futex resumed>) = 0 [pid 19205] <... exit_group resumed>) = ? [pid 19211] <... set_robust_list resumed>) = 0 [pid 19210] <... setpgid resumed>) = 0 [pid 19209] write(3, "1000", 4 [pid 19208] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19207] +++ exited with 0 +++ [pid 19206] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19205] +++ exited with 0 +++ [pid 19211] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 19210] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 19209] <... write resumed>) = 4 [pid 19208] <... futex resumed>) = 0 [pid 19206] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19205, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 19211] <... prctl resumed>) = 0 [pid 19210] <... openat resumed>) = 3 [pid 19209] close(3 [pid 19208] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19206] exit_group(0 [pid 19211] setpgid(0, 0 [pid 19210] write(3, "1000", 4 [pid 19209] <... close resumed>) = 0 [pid 19208] <... futex resumed>) = ? [pid 19206] <... exit_group resumed>) = ? [pid 19211] <... setpgid resumed>) = 0 [pid 19210] <... write resumed>) = 4 [pid 19209] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19208] +++ exited with 0 +++ [pid 19206] +++ exited with 0 +++ [pid 19210] close(3 [pid 19209] <... futex resumed>) = 0 [pid 3612] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19206, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 19211] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 19210] <... close resumed>) = 0 [pid 19209] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3612] restart_syscall(<... resuming interrupted clone ...> [pid 19210] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19209] <... mmap resumed>) = 0x7fe89d140000 [pid 3613] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 3612] <... restart_syscall resumed>) = 0 [pid 19211] <... openat resumed>) = 3 [pid 19210] <... futex resumed>) = 0 [pid 19209] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 3613] <... openat resumed>) = 3 [pid 19211] write(3, "1000", 4 [pid 19210] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 19209] <... mprotect resumed>) = 0 [pid 3613] ioctl(3, LOOP_CLR_FD [pid 19211] <... write resumed>) = 4 [pid 19210] <... mmap resumed>) = 0x7fe89d140000 [pid 19209] 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) ./strace-static-x86_64: Process 19212 attached [pid 19211] close(3 [pid 19210] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 3613] close(3 [pid 3612] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 19211] <... close resumed>) = 0 [pid 19210] <... mprotect resumed>) = 0 [pid 19209] <... clone resumed>, parent_tid=[19212], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 19212 [pid 3613] <... close resumed>) = 0 [pid 19209] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 19209] <... futex resumed>) = 0 [pid 19209] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 3613] <... clone resumed>, child_tidptr=0x55555697d6d0) = 19213 ./strace-static-x86_64: Process 19213 attached [pid 19213] set_robust_list(0x55555697d6e0, 24) = 0 [pid 19213] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 19213] setpgid(0, 0) = 0 [pid 19213] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 19213] write(3, "1000", 4) = 4 [pid 19213] close(3) = 0 [pid 19213] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 19213] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 19212] set_robust_list(0x7fe89d1609e0, 24 [pid 19211] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19210] 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 ./strace-static-x86_64: Process 19214 attached [pid 19213] <... mmap resumed>) = 0x7fe89d140000 [pid 19212] <... set_robust_list resumed>) = 0 [pid 19211] <... futex resumed>) = 0 [pid 3612] ioctl(3, LOOP_CLR_FD [pid 19213] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 19212] mkdir("./file0", 0777 [pid 19211] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 19210] <... clone resumed>, parent_tid=[19214], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 19214 [pid 19214] set_robust_list(0x7fe89d1609e0, 24 [pid 3612] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 19213] <... mprotect resumed>) = 0 [pid 19212] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 19210] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3612] close(3 [pid 19214] <... set_robust_list resumed>) = 0 [pid 19213] 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 19212] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 19211] <... mmap resumed>) = 0x7fe89d140000 [pid 19210] <... futex resumed>) = 0 [pid 3612] <... close resumed>) = 0 [pid 19212] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19211] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 19210] 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 19215 attached ./strace-static-x86_64: Process 19216 attached [pid 19214] mkdir("./file0", 0777 [pid 19213] <... clone resumed>, parent_tid=[19215], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 19215 [pid 19212] <... futex resumed>) = 1 [pid 19211] <... mprotect resumed>) = 0 [pid 19209] <... futex resumed>) = 0 [pid 19216] set_robust_list(0x55555697d6e0, 24 [pid 19215] set_robust_list(0x7fe89d1609e0, 24 [pid 19213] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19212] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3612] <... clone resumed>, child_tidptr=0x55555697d6d0) = 19216 [pid 19213] <... futex resumed>) = 0 [pid 19213] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 19211] 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 19214] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 19209] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19216] <... set_robust_list resumed>) = 0 [pid 19215] <... set_robust_list resumed>) = 0 [pid 19214] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 19212] <... futex resumed>) = 0 [pid 19209] <... futex resumed>) = 1 [pid 19212] pipe2( [pid 19211] <... clone resumed>, parent_tid=[19217], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 19217 [pid 19209] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19214] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19212] <... pipe2 resumed>[3, 4], 0) = 0 [pid 19211] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19212] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19211] <... futex resumed>) = 0 [pid 19214] <... futex resumed>) = 1 [pid 19212] <... futex resumed>) = 1 [pid 19210] <... futex resumed>) = 0 [pid 19211] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 19209] <... futex resumed>) = 0 [pid 19214] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19212] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19210] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19209] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19214] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19212] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19210] <... futex resumed>) = 0 [pid 19209] <... futex resumed>) = 0 [pid 19212] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 19214] pipe2( [pid 19210] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19209] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 19217 attached [pid 19216] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 19215] mkdir("./file0", 0777 [pid 19214] <... pipe2 resumed>[3, 4], 0) = 0 [pid 19217] set_robust_list(0x7fe89d1609e0, 24 [pid 19216] <... prctl resumed>) = 0 [pid 19215] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 19214] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19217] <... set_robust_list resumed>) = 0 [pid 19216] setpgid(0, 0 [pid 19215] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 19214] <... futex resumed>) = 1 [pid 19210] <... futex resumed>) = 0 [pid 19217] mkdir("./file0", 0777 [pid 19216] <... setpgid resumed>) = 0 [pid 19215] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19214] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19210] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19217] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 19216] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 19215] <... futex resumed>) = 1 [pid 19214] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19213] <... futex resumed>) = 0 [pid 19210] <... futex resumed>) = 0 [pid 19217] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 19216] <... openat resumed>) = 3 [pid 19215] pipe2( [pid 19214] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 19213] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19212] <... mount resumed>) = -1 EFAULT (Bad address) [pid 19210] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19217] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19213] <... futex resumed>) = 0 [pid 19212] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19217] <... futex resumed>) = 1 [pid 19216] write(3, "1000", 4 [pid 19215] <... pipe2 resumed>[3, 4], 0) = 0 [pid 19214] <... mount resumed>) = -1 EFAULT (Bad address) [pid 19213] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19211] <... futex resumed>) = 0 [pid 19217] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19216] <... write resumed>) = 4 [pid 19215] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19214] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19213] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19212] <... futex resumed>) = 1 [pid 19211] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19209] <... futex resumed>) = 0 [pid 19217] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19216] close(3 [pid 19215] <... futex resumed>) = 0 [pid 19214] <... futex resumed>) = 1 [pid 19213] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19212] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19211] <... futex resumed>) = 0 [pid 19210] <... futex resumed>) = 0 [pid 19209] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19217] pipe2( [pid 19216] <... close resumed>) = 0 [pid 19215] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 19214] write(4, NULL, 126976 [pid 19213] <... futex resumed>) = 0 [pid 19212] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19211] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19210] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19209] <... futex resumed>) = 0 [pid 19217] <... pipe2 resumed>[3, 4], 0) = 0 [pid 19216] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19213] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19210] <... futex resumed>) = 0 [pid 19209] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19217] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19216] <... futex resumed>) = 0 [pid 19210] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19217] <... futex resumed>) = 1 [pid 19216] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 19211] <... futex resumed>) = 0 [pid 19217] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19216] <... mmap resumed>) = 0x7fe89d140000 [pid 19211] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19217] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19211] <... futex resumed>) = 0 [pid 19216] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 19212] write(4, NULL, 126976 [pid 19211] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19217] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 19216] <... mprotect resumed>) = 0 [pid 19212] <... write resumed>) = -1 EFAULT (Bad address) [pid 19214] <... write resumed>) = -1 EFAULT (Bad address) [pid 19216] 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 19212] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19216] <... clone resumed>, parent_tid=[19218], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 19218 [pid 19216] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19212] <... futex resumed>) = 1 [pid 19209] <... futex resumed>) = 0 [pid 19214] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19216] <... futex resumed>) = 0 [pid 19212] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19209] exit_group(0) = ? ./strace-static-x86_64: Process 19218 attached [pid 19218] set_robust_list(0x7fe89d1609e0, 24 [pid 19216] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 19212] <... futex resumed>) = ? [pid 19214] <... futex resumed>) = 1 [pid 19210] <... futex resumed>) = 0 [pid 19218] <... set_robust_list resumed>) = 0 [pid 19210] exit_group(0 [pid 19218] mkdir("./file0", 0777 [pid 19210] <... exit_group resumed>) = ? [pid 19218] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 19218] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 19218] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19212] +++ exited with 0 +++ [pid 19209] +++ exited with 0 +++ [pid 19218] <... futex resumed>) = 1 [pid 19216] <... futex resumed>) = 0 [pid 3610] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19209, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 19218] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19216] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3610] restart_syscall(<... resuming interrupted clone ...> [pid 19218] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19216] <... futex resumed>) = 0 [pid 3610] <... restart_syscall resumed>) = 0 [pid 19218] pipe2( [pid 19216] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19218] <... pipe2 resumed>[3, 4], 0) = 0 [pid 19214] +++ exited with 0 +++ [pid 19210] +++ exited with 0 +++ [pid 19218] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3610] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19210, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 19218] <... futex resumed>) = 1 [pid 19216] <... futex resumed>) = 0 [pid 3610] <... openat resumed>) = 3 [pid 19218] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19216] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3610] ioctl(3, LOOP_CLR_FD [pid 19218] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19216] <... futex resumed>) = 0 [pid 3610] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 19218] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 19216] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3610] close(3 [pid 3609] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 3610] <... close resumed>) = 0 [pid 3610] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3609] <... openat resumed>) = 3 [pid 3609] ioctl(3, LOOP_CLR_FD [pid 3610] <... clone resumed>, child_tidptr=0x55555697d6d0) = 19219 [pid 3609] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3609] close(3) = 0 [pid 3609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555697d6d0) = 19220 ./strace-static-x86_64: Process 19220 attached ./strace-static-x86_64: Process 19219 attached [pid 19217] <... mount resumed>) = -1 EFAULT (Bad address) [pid 19215] <... mount resumed>) = -1 EFAULT (Bad address) [pid 19220] set_robust_list(0x55555697d6e0, 24 [pid 19219] set_robust_list(0x55555697d6e0, 24 [pid 19217] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19215] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19213] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 19211] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 19220] <... set_robust_list resumed>) = 0 [pid 19219] <... set_robust_list resumed>) = 0 [pid 19218] <... mount resumed>) = -1 EFAULT (Bad address) [pid 19217] <... futex resumed>) = 0 [pid 19215] <... futex resumed>) = 0 [pid 19213] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19211] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19220] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 19219] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 19218] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19217] write(4, NULL, 126976 [pid 19215] write(4, NULL, 126976 [pid 19213] <... futex resumed>) = 0 [pid 19211] <... futex resumed>) = 0 [pid 19220] <... prctl resumed>) = 0 [pid 19219] <... prctl resumed>) = 0 [pid 19218] <... futex resumed>) = 1 [pid 19217] <... write resumed>) = -1 EFAULT (Bad address) [pid 19216] <... futex resumed>) = 0 [pid 19215] <... write resumed>) = -1 EFAULT (Bad address) [pid 19213] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19211] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19220] setpgid(0, 0 [pid 19219] setpgid(0, 0 [pid 19218] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19217] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19216] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19215] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19213] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19211] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19220] <... setpgid resumed>) = 0 [pid 19219] <... setpgid resumed>) = 0 [pid 19218] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19217] <... futex resumed>) = 0 [pid 19216] <... futex resumed>) = 0 [pid 19215] <... futex resumed>) = 0 [pid 19213] exit_group(0 [pid 19211] exit_group(0 [pid 19220] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 19219] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 19218] write(4, NULL, 126976 [pid 19216] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19213] <... exit_group resumed>) = ? [pid 19211] <... exit_group resumed>) = ? [pid 19220] <... openat resumed>) = 3 [pid 19219] <... openat resumed>) = 3 [pid 19218] <... write resumed>) = -1 EFAULT (Bad address) [pid 19217] +++ exited with 0 +++ [pid 19215] +++ exited with 0 +++ [pid 19213] +++ exited with 0 +++ [pid 19211] +++ exited with 0 +++ [pid 19220] write(3, "1000", 4 [pid 19219] write(3, "1000", 4 [pid 19218] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3613] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19213, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 19220] <... write resumed>) = 4 [pid 19219] <... write resumed>) = 4 [pid 19218] <... futex resumed>) = 1 [pid 19216] <... futex resumed>) = 0 [pid 3611] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19211, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 19220] close(3 [pid 19219] close(3 [pid 19218] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19216] exit_group(0 [pid 3611] restart_syscall(<... resuming interrupted clone ...> [pid 19220] <... close resumed>) = 0 [pid 19219] <... close resumed>) = 0 [pid 19218] <... futex resumed>) = ? [pid 19216] <... exit_group resumed>) = ? [pid 3611] <... restart_syscall resumed>) = 0 [pid 19220] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19219] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19218] +++ exited with 0 +++ [pid 19220] <... futex resumed>) = 0 [pid 19219] <... futex resumed>) = 0 [pid 19220] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 19219] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3611] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 19220] <... mmap resumed>) = 0x7fe89d140000 [pid 19219] <... mmap resumed>) = 0x7fe89d140000 [pid 19216] +++ exited with 0 +++ [pid 3611] <... openat resumed>) = 3 [pid 19220] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 19219] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 3612] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19216, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3611] ioctl(3, LOOP_CLR_FD [pid 19220] <... mprotect resumed>) = 0 [pid 19219] <... mprotect resumed>) = 0 [pid 3613] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 3612] restart_syscall(<... resuming interrupted clone ...> [pid 3611] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 19220] 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 19219] 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 resumed>) = 3 [pid 3612] <... restart_syscall resumed>) = 0 [pid 3611] close(3./strace-static-x86_64: Process 19221 attached [pid 3613] ioctl(3, LOOP_CLR_FD [pid 3611] <... close resumed>) = 0 ./strace-static-x86_64: Process 19222 attached [pid 19221] set_robust_list(0x7fe89d1609e0, 24 [pid 19220] <... clone resumed>, parent_tid=[19221], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 19221 [pid 19219] <... clone resumed>, parent_tid=[19222], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 19222 [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 19221] <... set_robust_list resumed>) = 0 [pid 19220] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19219] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3613] close(3 [pid 3612] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3613] <... close resumed>) = 0 [pid 3613] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555697d6d0) = 19224 ./strace-static-x86_64: Process 19223 attached [pid 19223] set_robust_list(0x55555697d6e0, 24) = 0 [pid 19223] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 19223] setpgid(0, 0) = 0 [pid 19223] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 19224 attached [pid 19224] set_robust_list(0x55555697d6e0, 24 [pid 19223] <... openat resumed>) = 3 [pid 19224] <... set_robust_list resumed>) = 0 [pid 19219] <... futex resumed>) = 0 [pid 19220] <... futex resumed>) = 0 [pid 19224] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 19220] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 19219] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 3612] <... openat resumed>) = 3 [pid 3611] <... clone resumed>, child_tidptr=0x55555697d6d0) = 19223 [pid 19221] mkdir("./file0", 0777 [pid 3612] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 19221] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3612] close(3 [pid 19221] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3612] <... close resumed>) = 0 [pid 19221] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 3612] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 19220] <... futex resumed>) = 0 [pid 19224] <... prctl resumed>) = 0 [pid 19223] write(3, "1000", 4 [pid 19224] setpgid(0, 0 [pid 19223] <... write resumed>) = 4 [pid 19224] <... setpgid resumed>) = 0 [pid 19223] close(3 [pid 19224] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 19223] <... close resumed>) = 0 [pid 19222] set_robust_list(0x7fe89d1609e0, 24 [pid 19221] <... futex resumed>) = 1 [pid 19220] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19224] <... openat resumed>) = 3 [pid 19223] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19222] <... set_robust_list resumed>) = 0 [pid 19221] pipe2( [pid 19220] <... futex resumed>) = 0 [pid 3612] <... clone resumed>, child_tidptr=0x55555697d6d0) = 19225 ./strace-static-x86_64: Process 19225 attached [pid 19224] write(3, "1000", 4 [pid 19223] <... futex resumed>) = 0 [pid 19222] mkdir("./file0", 0777 [pid 19221] <... pipe2 resumed>[3, 4], 0) = 0 [pid 19220] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19225] set_robust_list(0x55555697d6e0, 24 [pid 19224] <... write resumed>) = 4 [pid 19223] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 19222] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 19221] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19220] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19225] <... set_robust_list resumed>) = 0 [pid 19224] close(3 [pid 19223] <... mmap resumed>) = 0x7fe89d140000 [pid 19221] <... futex resumed>) = 0 [pid 19220] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19225] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 19224] <... close resumed>) = 0 [pid 19223] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 19225] <... prctl resumed>) = 0 [pid 19224] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19223] <... mprotect resumed>) = 0 [pid 19225] setpgid(0, 0 [pid 19224] <... futex resumed>) = 0 [pid 19223] 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 19225] <... setpgid resumed>) = 0 [pid 19224] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 19225] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 19224] <... mmap resumed>) = 0x7fe89d140000 [pid 19223] <... clone resumed>, parent_tid=[19226], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 19226 [pid 19225] <... openat resumed>) = 3 [pid 19224] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE [pid 19223] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19225] write(3, "1000", 4 [pid 19224] <... mprotect resumed>) = 0 [pid 19223] <... futex resumed>) = 0 [pid 19225] <... write resumed>) = 4 [pid 19224] 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 19223] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 19225] close(3) = 0 [pid 19224] <... clone resumed>, parent_tid=[19227], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 19227 [pid 19225] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19224] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19225] <... futex resumed>) = 0 [pid 19224] <... futex resumed>) = 0 [pid 19225] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 19224] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000} [pid 19225] <... mmap resumed>) = 0x7fe89d140000 [pid 19225] mprotect(0x7fe89d141000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 19225] 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=[19228], tls=0x7fe89d160700, child_tidptr=0x7fe89d1609d0) = 19228 [pid 19225] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 19225] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=100000000}./strace-static-x86_64: Process 19226 attached [pid 19226] set_robust_list(0x7fe89d1609e0, 24) = 0 [pid 19226] mkdir("./file0", 0777) = -1 EEXIST (File exists) ./strace-static-x86_64: Process 19227 attached [pid 19227] set_robust_list(0x7fe89d1609e0, 24 [pid 19226] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 19227] <... set_robust_list resumed>) = 0 [pid 19226] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19227] mkdir("./file0", 0777 [pid 19226] <... futex resumed>) = 1 [pid 19223] <... futex resumed>) = 0 [pid 19227] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 19226] pipe2( [pid 19223] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19227] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 19226] <... pipe2 resumed>[3, 4], 0) = 0 [pid 19223] <... futex resumed>) = 0 [pid 19227] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19226] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19223] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19227] <... futex resumed>) = 1 [pid 19226] <... futex resumed>) = 0 [pid 19224] <... futex resumed>) = 0 [pid 19223] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19227] pipe2( [pid 19226] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19224] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19223] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19227] <... pipe2 resumed>[3, 4], 0) = 0 [pid 19226] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19224] <... futex resumed>) = 0 [pid 19223] <... futex resumed>) = 0 [pid 19227] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19226] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 19224] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19223] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19227] <... futex resumed>) = 0 [pid 19224] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19222] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 19221] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 19220] <... futex resumed>) = 0 [pid 19227] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19224] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19227] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19224] <... futex resumed>) = 0 [pid 19227] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 19224] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19220] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 19228 attached [pid 19222] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 19222] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19219] <... futex resumed>) = 0 [pid 19219] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 19222] <... futex resumed>) = 0 [pid 19219] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19222] pipe2([3, 4], 0) = 0 [pid 19222] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 19219] <... futex resumed>) = 0 [pid 19222] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19219] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19228] set_robust_list(0x7fe89d1609e0, 24 [pid 19222] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 19219] <... futex resumed>) = 0 [pid 19228] <... set_robust_list resumed>) = 0 [pid 19222] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [ 286.362732][ T28] INFO: task syz-executor126:8978 blocked for more than 143 seconds. [ 286.371242][ T28] Not tainted 5.19.0-syzkaller-02972-g200e340f2196 #0 [ 286.392000][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [pid 19219] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19228] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 19228] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 19228] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 19228] futex(0x7fe89d2384c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19225] <... futex resumed>) = 0 [pid 19225] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19228] <... futex resumed>) = 0 [pid 19225] <... futex resumed>) = 1 [pid 19228] pipe2( [pid 19225] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19228] <... pipe2 resumed>[3, 4], 0) = 0 [pid 19228] futex(0x7fe89d2384cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 19225] <... futex resumed>) = 0 [pid 19228] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 19225] futex(0x7fe89d2384c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 19225] futex(0x7fe89d2384cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19223] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 19223] futex(0x7fe89d2384dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19220] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 19220] futex(0x7fe89d2384dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 19224] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 19223] <... futex resumed>) = 0 [pid 19220] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe89d11f000 [pid 19220] mprotect(0x7fe89d120000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 19220] 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=[19229], tls=0x7fe89d13f700, child_tidptr=0x7fe89d13f9d0) = 19229 [pid 19224] futex(0x7fe89d2384dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19220] futex(0x7fe89d2384d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19223] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 19229 attached [pid 19220] <... futex resumed>) = 0 [pid 19220] futex(0x7fe89d2384dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19219] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 19224] <... futex resumed>) = 0 [pid 19219] futex(0x7fe89d2384dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19223] <... mmap resumed>) = 0x7fe89d11f000 [pid 19229] set_robust_list(0x7fe89d13f9e0, 24 [pid 19219] <... futex resumed>) = 0 [pid 19219] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fe89d11f000 [ 286.406248][ T28] task:syz-executor126 state:D stack:26496 pid: 8978 ppid: 3614 flags:0x00004004 [ 286.416819][ T28] Call Trace: [ 286.420443][ T28] [ 286.424118][ T28] __schedule+0x957/0xe20 [ 286.428892][ T28] ? __sched_text_start+0x8/0x8 [ 286.434568][ T28] schedule+0xcb/0x190 [ 286.438977][ T28] schedule_timeout+0xac/0x300 [ 286.445037][ T28] ? console_conditional_schedule+0x40/0x40 [ 286.451854][ T28] ? lockdep_hardirqs_on_prepare+0x448/0x7b0 [pid 19219] mprotect(0x7fe89d120000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 19219] 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 19229] <... set_robust_list resumed>) = 0 [pid 19224] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 19223] mprotect(0x7fe89d120000, 131072, PROT_READ|PROT_WRITE [pid 19219] <... clone resumed>, parent_tid=[19230], tls=0x7fe89d13f700, child_tidptr=0x7fe89d13f9d0) = 19230 [pid 19219] futex(0x7fe89d2384d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 19219] futex(0x7fe89d2384dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19229] write(4, NULL, 126976 [pid 19224] <... mmap resumed>) = 0x7fe89d11f000 [pid 19223] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 19230 attached [pid 19230] set_robust_list(0x7fe89d13f9e0, 24) = 0 [pid 19230] write(4, NULL, 126976) = -1 EFAULT (Bad address) [pid 19230] futex(0x7fe89d2384dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19229] <... write resumed>) = -1 EFAULT (Bad address) [pid 19224] mprotect(0x7fe89d120000, 131072, PROT_READ|PROT_WRITE [pid 19223] 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 19230] <... futex resumed>) = 1 [pid 19219] <... futex resumed>) = 0 [pid 19230] futex(0x7fe89d2384d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19225] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 19225] futex(0x7fe89d2384dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 19229] futex(0x7fe89d2384dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19225] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 19224] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 19231 attached [pid 19229] <... futex resumed>) = 1 [pid 19225] <... mmap resumed>) = 0x7fe89d11f000 [pid 19220] <... futex resumed>) = 0 [pid 19225] mprotect(0x7fe89d120000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 19225] 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=[19232], tls=0x7fe89d13f700, child_tidptr=0x7fe89d13f9d0) = 19232 [pid 19225] futex(0x7fe89d2384d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19229] futex(0x7fe89d2384d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19225] <... futex resumed>) = 0 [pid 19224] 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 19223] <... clone resumed>, parent_tid=[19231], tls=0x7fe89d13f700, child_tidptr=0x7fe89d13f9d0) = 19231 [pid 19231] set_robust_list(0x7fe89d13f9e0, 24 [pid 19225] futex(0x7fe89d2384dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19231] <... set_robust_list resumed>) = 0 [pid 19223] futex(0x7fe89d2384d8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 19232 attached [pid 19232] set_robust_list(0x7fe89d13f9e0, 24) = 0 [pid 19232] write(4, NULL, 126976) = -1 EFAULT (Bad address) [pid 19231] write(4, NULL, 126976 [pid 19224] <... clone resumed>, parent_tid=[19233], tls=0x7fe89d13f700, child_tidptr=0x7fe89d13f9d0) = 19233 [pid 19223] <... futex resumed>) = 0 ./strace-static-x86_64: Process 19233 attached [pid 19232] futex(0x7fe89d2384dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 19225] <... futex resumed>) = 0 [pid 19232] futex(0x7fe89d2384d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19233] set_robust_list(0x7fe89d13f9e0, 24 [pid 19231] <... write resumed>) = -1 EFAULT (Bad address) [ 286.458695][ T28] ? do_raw_spin_unlock+0x134/0x8a0 [ 286.465298][ T28] ? _raw_spin_unlock_irq+0x1f/0x40 [ 286.471173][ T28] ? lockdep_hardirqs_on+0x95/0x140 [ 286.478014][ T28] do_wait_for_common+0x3ea/0x560 [ 286.484955][ T28] ? console_conditional_schedule+0x40/0x40 [ 286.493167][ T28] ? bit_wait_io_timeout+0x110/0x110 [ 286.499513][ T28] ? _raw_spin_lock_irq+0xdb/0x110 [ 286.505614][ T28] ? start_flush_work+0x7a2/0x850 [pid 19224] futex(0x7fe89d2384d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 19223] futex(0x7fe89d2384dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19233] <... set_robust_list resumed>) = 0 [pid 19224] <... futex resumed>) = 0 [pid 19231] futex(0x7fe89d2384dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 19233] write(4, NULL, 126976) = -1 EFAULT (Bad address) [pid 19233] futex(0x7fe89d2384dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 19231] <... futex resumed>) = 1 [pid 19224] futex(0x7fe89d2384dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 19233] futex(0x7fe89d2384d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19223] <... futex resumed>) = 0 [pid 19231] futex(0x7fe89d2384d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 19224] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 286.511500][ T28] wait_for_completion+0x46/0x60 [ 286.517483][ T28] __cancel_work_timer+0x585/0x740 [ 286.524177][ T28] ? cancel_work_sync+0x20/0x20 [ 286.529508][ T28] ? start_flush_work+0x850/0x850 [ 286.535444][ T28] ? _raw_spin_unlock_irqrestore+0xd9/0x130 [ 286.541438][ T28] ? _raw_spin_unlock+0x40/0x40 [ 286.546979][ T28] ? remove_wait_queue+0x2f/0x130 [ 286.552189][ T28] p9_fd_close+0x248/0x3c0 [ 286.557293][ T28] p9_client_destroy+0xc8/0x680 [ 286.562293][ T28] ? ida_free+0x36a/0x3e0 [ 286.567311][ T28] ? p9_client_create+0x1040/0x1040 [ 286.573215][ T28] v9fs_session_close+0x4d/0x200 [ 286.578245][ T28] v9fs_kill_super+0x58/0x90 [ 286.583516][ T28] deactivate_locked_super+0xa7/0xf0 [ 286.589040][ T28] v9fs_mount+0x7f0/0x970 [ 286.593713][ T28] legacy_get_tree+0xea/0x180 [ 286.598483][ T28] ? xfs_fs_commit_blocks+0x8d0/0x8d0 [ 286.604388][ T28] vfs_get_tree+0x88/0x270 [ 286.608859][ T28] do_new_mount+0x289/0xad0 [ 286.614129][ T28] ? ns_capable+0x81/0xe0 [ 286.618608][ T28] ? do_move_mount_old+0x160/0x160 [ 286.624335][ T28] ? user_path_at_empty+0x149/0x1a0 [ 286.629615][ T28] __se_sys_mount+0x2e3/0x3d0 [ 286.635145][ T28] ? __x64_sys_mount+0xc0/0xc0 [ 286.640117][ T28] ? syscall_enter_from_user_mode+0x2e/0x1d0 [ 286.647152][ T28] ? __x64_sys_mount+0x1c/0xc0 [ 286.652140][ T28] do_syscall_64+0x2b/0x70 [ 286.657133][ T28] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 286.663819][ T28] RIP: 0033:0x7fe89d1b3869 [ 286.668397][ T28] RSP: 002b:00007fe89d160208 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 286.677590][ T28] RAX: ffffffffffffffda RBX: 00007fe89d2384c8 RCX: 00007fe89d1b3869 [ 286.686877][ T28] RDX: 0000000020000280 RSI: 00000000200002c0 RDI: 0000000000000000 [ 286.695457][ T28] RBP: 00007fe89d2384c0 R08: 0000000020003180 R09: 0000000000000000 [ 286.704206][ T28] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe89d2384cc [pid 19219] exit_group(0 [pid 19230] <... futex resumed>) = ? [pid 19219] <... exit_group resumed>) = ? [pid 19230] +++ exited with 0 +++ [pid 19220] exit_group(0) = ? [pid 19229] <... futex resumed>) = ? [pid 19229] +++ exited with 0 +++ [pid 19225] exit_group(0 [pid 19232] <... futex resumed>) = ? [pid 19225] <... exit_group resumed>) = ? [pid 19232] +++ exited with 0 +++ [ 286.712252][ T28] R13: 00007fff4c8b7a5f R14: 00007fe89d160300 R15: 0000000000022000 [ 286.720749][ T28] [ 286.726068][ T28] [ 286.726068][ T28] Showing all locks held in the system: [ 286.737691][ T28] 2 locks held by kworker/0:0/6: [ 286.743376][ T28] #0: ffff888011c64d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x796/0xd10 [pid 19224] exit_group(0 [pid 19233] <... futex resumed>) = ? [pid 19224] <... exit_group resumed>) = ? [pid 19233] +++ exited with 0 +++ [pid 19223] exit_group(0 [pid 19231] <... futex resumed>) = ? [pid 19223] <... exit_group resumed>) = ? [pid 19231] +++ exited with 0 +++ [ 286.755627][ T28] #1: ffffc900000b7d00 ((work_completion)(&m->rq)){+.+.}-{0:0}, at: process_one_work+0x7d0/0xd10 [ 286.767145][ T28] 1 lock held by rcu_tasks_kthre/12: [ 286.773487][ T28] #0: ffffffff8cb1f030 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x30/0xd00 [ 286.784754][ T28] 1 lock held by rcu_tasks_trace/13: [ 286.790434][ T28] #0: ffffffff8cb1f830 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x30/0xd00 [ 286.802001][ T28] 2 locks held by kworker/1:1/26: [ 286.808054][ T28] #0: ffff888011c64d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x796/0xd10 [ 286.818909][ T28] #1: ffffc90000a1fd00 ((work_completion)(&m->rq)){+.+.}-{0:0}, at: process_one_work+0x7d0/0xd10 [ 286.830128][ T28] 1 lock held by khungtaskd/28: [ 286.835247][ T28] #0: ffffffff8cb1ee60 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30 [ 286.845037][ T28] 2 locks held by kworker/0:2/142: [ 286.850179][ T28] #0: ffff888011c64d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x796/0xd10 [ 286.860579][ T28] #1: ffffc9000213fd00 ((work_completion)(&m->rq)){+.+.}-{0:0}, at: process_one_work+0x7d0/0xd10 [ 286.871731][ T28] 2 locks held by kworker/1:2/145: [ 286.876974][ T28] #0: ffff888011c64d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x796/0xd10 [ 286.887919][ T28] #1: ffffc900029dfd00 ((work_completion)(&m->rq)){+.+.}-{0:0}, at: process_one_work+0x7d0/0xd10 [ 286.898734][ T28] 2 locks held by kworker/0:3/2931: [ 286.904154][ T28] #0: ffff888011c64d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x796/0xd10 [ 286.914517][ T28] #1: ffffc9000bac7d00 ((work_completion)(&m->rq)){+.+.}-{0:0}, at: process_one_work+0x7d0/0xd10 [ 286.925473][ T28] 2 locks held by getty/3282: [ 286.930290][ T28] #0: ffff88814a82a098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70 [ 286.940280][ T28] #1: ffffc90002d162e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6e8/0x1e50 [ 286.950777][ T28] 2 locks held by kworker/1:3/3683: [ 286.956058][ T28] #0: ffff888011c64d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x796/0xd10 [ 286.966634][ T28] #1: ffffc9000314fd00 ((work_completion)(&m->rq)){+.+.}-{0:0}, at: process_one_work+0x7d0/0xd10 [ 286.977532][ T28] [ 286.979892][ T28] ============================================= [ 286.979892][ T28] [ 286.988769][ T28] NMI backtrace for cpu 0 [ 286.993432][ T28] CPU: 0 PID: 28 Comm: khungtaskd Not tainted 5.19.0-syzkaller-02972-g200e340f2196 #0 [ 287.003078][ T28] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 287.013219][ T28] Call Trace: [ 287.016511][ T28] [ 287.019454][ T28] dump_stack_lvl+0x1e3/0x2cb [ 287.024143][ T28] ? io_notif_register+0x5e7/0x5e7 [ 287.029279][ T28] ? panic+0x76e/0x76e [ 287.033375][ T28] ? tick_nohz_tick_stopped+0x76/0xb0 [ 287.038865][ T28] ? nmi_cpu_backtrace+0x248/0x4a0 [ 287.044027][ T28] nmi_cpu_backtrace+0x473/0x4a0 [ 287.049206][ T28] ? vprintk_emit+0x109/0x1e0 [ 287.053897][ T28] ? nmi_trigger_cpumask_backtrace+0x280/0x280 [ 287.060083][ T28] ? _printk+0xcf/0x10f [ 287.064251][ T28] ? panic+0x76e/0x76e [ 287.068321][ T28] ? __wake_up_klogd+0xcd/0x100 [ 287.073172][ T28] ? panic+0x76e/0x76e [ 287.077253][ T28] ? __rcu_read_unlock+0x8f/0x100 [ 287.082284][ T28] ? arch_trigger_cpumask_backtrace+0x10/0x10 [ 287.088462][ T28] nmi_trigger_cpumask_backtrace+0x168/0x280 [ 287.094668][ T28] watchdog+0xcd5/0xd20 [ 287.099241][ T28] kthread+0x266/0x300 [ 287.103584][ T28] ? hungtask_pm_notify+0x50/0x50 [ 287.108652][ T28] ? kthread_blkcg+0xd0/0xd0 [ 287.113544][ T28] ret_from_fork+0x1f/0x30 [ 287.118028][ T28] [ 287.121249][ T28] Sending NMI from CPU 0 to CPUs 1: [ 287.126519][ C1] NMI backtrace for cpu 1 [ 287.126530][ C1] CPU: 1 PID: 3612 Comm: syz-executor126 Not tainted 5.19.0-syzkaller-02972-g200e340f2196 #0 [ 287.126545][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 287.126553][ C1] RIP: 0010:kasan_check_range+0x84/0x2e0 [ 287.126657][ C1] Code: da 4d 89 d6 4d 29 ce 49 83 fe 10 7f 30 4d 85 f6 0f 84 8e 01 00 00 4c 89 cb 4c 29 d3 66 2e 0f 1f 84 00 00 00 00 00 41 80 39 00 <0f> 85 e7 01 00 00 49 ff c1 48 ff c3 75 ee e9 67 01 00 00 44 89 cd [ 287.126668][ C1] RSP: 0018:ffffc90002ebf9a8 EFLAGS: 00000046 [ 287.126681][ C1] RAX: 0000000000000001 RBX: ffffffffffffffff RCX: ffffffff81683b44 [ 287.126691][ C1] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff8e03ca28 [ 287.126700][ C1] RBP: 000000000001ffff R08: dffffc0000000000 R09: fffffbfff1c07945 [ 287.126709][ C1] R10: fffffbfff1c07946 R11: 1ffffffff1c07945 R12: dffffc0000000000 [ 287.126719][ C1] R13: ffffffff815495e1 R14: 0000000000000001 R15: 1ffff920005d7f4c [ 287.126728][ C1] FS: 000055555697d400(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 [ 287.126740][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 287.126750][ C1] CR2: 00007fe89d2044d8 CR3: 000000001cb47000 CR4: 00000000003506e0 [ 287.126762][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 287.126770][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 287.126778][ C1] Call Trace: [ 287.126782][ C1] [ 287.126789][ C1] trace_lock_release+0x34/0x190 [ 287.126807][ C1] lock_release+0x81/0x870 [ 287.126821][ C1] ? _raw_spin_unlock_irqrestore+0xd9/0x130 [ 287.126841][ C1] ? _raw_spin_unlock+0x40/0x40 [ 287.126856][ C1] ? __lock_acquire+0x1f80/0x1f80 [ 287.126873][ C1] ? __wake_up_sync_key+0x124/0x1c0 [ 287.126891][ C1] _raw_spin_unlock_irqrestore+0x75/0x130 [ 287.126907][ C1] ? _raw_spin_unlock+0x40/0x40 [ 287.126928][ C1] ? __send_signal_locked+0xadb/0xdb0 [ 287.126941][ C1] ? send_signal_locked+0x5e1/0x800 [ 287.126957][ C1] do_notify_parent_cldstop+0x811/0x9b0 [ 287.126973][ C1] ? get_signal+0x1780/0x1780 [ 287.126987][ C1] ? lockdep_hardirqs_on_prepare+0x448/0x7b0 [ 287.127004][ C1] ? do_raw_spin_unlock+0x134/0x8a0 [ 287.127023][ C1] ptrace_stop+0x465/0xad0 [ 287.127042][ C1] ptrace_notify+0x221/0x340 [ 287.127056][ C1] ? do_notify_parent+0xeb0/0xeb0 [ 287.127072][ C1] ? __x64_sys_clock_nanosleep+0x360/0x3f0 [ 287.127087][ C1] ? __ia32_sys_clock_getres_time32+0x250/0x250 [ 287.127102][ C1] syscall_exit_work+0x8c/0xe0 [ 287.127141][ C1] syscall_exit_to_user_mode_prepare+0x6b/0xc0 [ 287.127157][ C1] syscall_exit_to_user_mode+0xa/0x60 [ 287.127171][ C1] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 287.127184][ C1] RIP: 0033:0x7fe89d1d8b3a [ 287.127196][ C1] Code: 83 ff 03 74 3b 48 83 ec 28 b8 fa ff ff ff 83 ff 02 49 89 ca 0f 44 f8 64 8b 04 25 18 00 00 00 85 c0 75 2d b8 e6 00 00 00 0f 05 <89> c2 f7 da 3d 00 f0 ff ff b8 00 00 00 00 0f 47 c2 48 83 c4 28 c3 [ 287.127206][ C1] RSP: 002b:00007fff4c8b7a70 EFLAGS: 00000246 ORIG_RAX: 00000000000000e6 [ 287.127219][ C1] RAX: 0000000000000000 RBX: 00007fff4c8b7b60 RCX: 00007fe89d1d8b3a [ 287.127228][ C1] RDX: 00007fff4c8b7ab0 RSI: 0000000000000000 RDI: 0000000000000000 [ 287.127237][ C1] RBP: 0000000000045e89 R08: 00007fff4c96e080 R09: 0000000000000010 [ 287.127245][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000000f4240 [ 287.127254][ C1] R13: 0000000000004b19 R14: 00007fff4c8b7b50 R15: 00007fff4c8b7b04 [ 287.127270][ C1] [ 287.127620][ T28] Kernel panic - not syncing: hung_task: blocked tasks [ 287.474931][ T28] CPU: 0 PID: 28 Comm: khungtaskd Not tainted 5.19.0-syzkaller-02972-g200e340f2196 #0 [ 287.484770][ T28] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 287.495197][ T28] Call Trace: [ 287.498483][ T28] [ 287.501427][ T28] dump_stack_lvl+0x1e3/0x2cb [ 287.506205][ T28] ? io_notif_register+0x5e7/0x5e7 [ 287.511424][ T28] ? panic+0x76e/0x76e [ 287.515516][ T28] ? vscnprintf+0x59/0x80 [ 287.519957][ T28] panic+0x312/0x76e [ 287.523939][ T28] ? schedule_preempt_disabled+0x20/0x20 [ 287.529709][ T28] ? nmi_trigger_cpumask_backtrace+0x205/0x280 [ 287.535996][ T28] ? fb_is_primary_device+0xcc/0xcc [ 287.541299][ T28] ? arch_trigger_cpumask_backtrace+0x10/0x10 [ 287.547560][ T28] ? nmi_trigger_cpumask_backtrace+0x205/0x280 [ 287.553905][ T28] ? nmi_trigger_cpumask_backtrace+0x265/0x280 [ 287.560273][ T28] watchdog+0xd16/0xd20 [ 287.565014][ T28] kthread+0x266/0x300 [ 287.569116][ T28] ? hungtask_pm_notify+0x50/0x50 [ 287.574346][ T28] ? kthread_blkcg+0xd0/0xd0 [ 287.579202][ T28] ret_from_fork+0x1f/0x30 [ 287.585213][ T28] [ 287.588549][ T28] Kernel Offset: disabled [ 287.592904][ T28] Rebooting in 86400 seconds..