./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor922379582 <...> DUID 00:04:03:2c:e5:fc:a2:19:b8:8b:c5:bf:62:63:19:3a:75:c6 forked to background, child pid 3182 [ 23.405130][ T3183] 8021q: adding VLAN 0 to HW filter on device bond0 [ 23.417399][ T3183] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.0.216' (ECDSA) to the list of known hosts. execve("./syz-executor922379582", ["./syz-executor922379582"], 0x7ffe8c0a6440 /* 10 vars */) = 0 brk(NULL) = 0x555556772000 brk(0x555556772d00) = 0x555556772d00 arch_prctl(ARCH_SET_FS, 0x5555567723c0) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor922379582", 4096) = 27 brk(0x555556793d00) = 0x555556793d00 brk(0x555556794000) = 0x555556794000 mprotect(0x7fbb0b4e4000, 16384, PROT_READ) = 0 mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000 mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000 mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000 rt_sigaction(SIGRTMIN, {sa_handler=SIG_IGN, sa_mask=[], sa_flags=0}, NULL, 8) = 0 rt_sigaction(SIGRT_1, {sa_handler=SIG_IGN, sa_mask=[], sa_flags=0}, NULL, 8) = 0 rt_sigaction(SIGSEGV, {sa_handler=0x7fbb0b4350a0, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7fbb0b435bb0}, NULL, 8) = 0 rt_sigaction(SIGBUS, {sa_handler=0x7fbb0b4350a0, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7fbb0b435bb0}, NULL, 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556772690) = 3604 ./strace-static-x86_64: Process 3604 attached [pid 3603] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556772690) = 3605 [pid 3603] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3604] openat(AT_FDCWD, "/dev/loop0", O_RDWR./strace-static-x86_64: Process 3605 attached [pid 3603] <... clone resumed>, child_tidptr=0x555556772690) = 3606 [pid 3603] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556772690) = 3607 [pid 3603] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3604] <... openat resumed>) = 3 [pid 3603] <... clone resumed>, child_tidptr=0x555556772690) = 3608 [pid 3603] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3608 attached ./strace-static-x86_64: Process 3609 attached ./strace-static-x86_64: Process 3607 attached ./strace-static-x86_64: Process 3606 attached [pid 3605] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 3604] ioctl(3, LOOP_CLR_FD [pid 3603] <... clone resumed>, child_tidptr=0x555556772690) = 3609 [pid 3608] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 3606] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 3605] <... openat resumed>) = 3 [pid 3604] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3609] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 3608] <... openat resumed>) = 3 [pid 3604] close(3 [pid 3606] <... openat resumed>) = 3 [pid 3609] <... openat resumed>) = 3 [pid 3608] ioctl(3, LOOP_CLR_FD [pid 3607] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3606] ioctl(3, LOOP_CLR_FD [pid 3605] ioctl(3, LOOP_CLR_FD [pid 3604] <... close resumed>) = 0 [pid 3608] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3606] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3605] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3604] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3608] close(3 [pid 3606] close(3 [pid 3605] close(3 [pid 3608] <... close resumed>) = 0 [pid 3606] <... close resumed>) = 0 [pid 3605] <... close resumed>) = 0 [pid 3604] <... clone resumed>, child_tidptr=0x555556772690) = 3610 [pid 3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3606] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3608] <... clone resumed>, child_tidptr=0x555556772690) = 3611 [pid 3606] <... clone resumed>, child_tidptr=0x555556772690) = 3612 [pid 3605] <... clone resumed>, child_tidptr=0x555556772690) = 3613 [pid 3607] <... openat resumed>) = 3 [pid 3609] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 3607] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 3607] close(3 [pid 3609] close(3 [pid 3607] <... close resumed>) = 0 [pid 3609] <... close resumed>) = 0 [pid 3609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3607] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3613 attached ./strace-static-x86_64: Process 3612 attached ./strace-static-x86_64: Process 3611 attached ./strace-static-x86_64: Process 3610 attached [pid 3613] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3612] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3613] <... prctl resumed>) = 0 [pid 3612] <... prctl resumed>) = 0 [pid 3611] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3610] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3613] setpgid(0, 0 [pid 3612] setpgid(0, 0 [pid 3611] <... prctl resumed>) = 0 [pid 3610] <... prctl resumed>) = 0 [pid 3613] <... setpgid resumed>) = 0 [pid 3612] <... setpgid resumed>) = 0 [pid 3611] setpgid(0, 0 [pid 3610] setpgid(0, 0 [pid 3613] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3612] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3611] <... setpgid resumed>) = 0 [pid 3610] <... setpgid resumed>) = 0 [pid 3610] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3609] <... clone resumed>, child_tidptr=0x555556772690) = 3616 [pid 3607] <... clone resumed>, child_tidptr=0x555556772690) = 3615 [pid 3611] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3612] <... openat resumed>) = 3 [pid 3610] <... openat resumed>) = 3 ./strace-static-x86_64: Process 3616 attached ./strace-static-x86_64: Process 3615 attached [pid 3613] <... openat resumed>) = 3 [pid 3612] write(3, "1000", 4 [pid 3611] write(3, "1000", 4 [pid 3615] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3613] write(3, "1000", 4 [pid 3612] <... write resumed>) = 4 [pid 3611] <... write resumed>) = 4 [pid 3610] write(3, "1000", 4 [pid 3615] <... prctl resumed>) = 0 [pid 3613] <... write resumed>) = 4 [pid 3612] close(3 [pid 3611] close(3 [pid 3610] <... write resumed>) = 4 [pid 3615] setpgid(0, 0 [pid 3613] close(3 [pid 3612] <... close resumed>) = 0 [pid 3611] <... close resumed>) = 0 [pid 3610] close(3 [pid 3615] <... setpgid resumed>) = 0 [pid 3613] <... close resumed>) = 0 [pid 3611] mkdir("./file0", 0777 [pid 3610] <... close resumed>) = 0 [pid 3612] mkdir("./file0", 0777 [pid 3615] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3615] write(3, "1000", 4) = 4 [pid 3615] close(3 [pid 3613] mkdir("./file0", 0777 [pid 3610] mkdir("./file0", 0777 [pid 3615] <... close resumed>) = 0 [pid 3615] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3612] <... mkdir resumed>) = 0 [pid 3611] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3613] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3610] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3612] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3611] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3610] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3613] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3612] pipe2( [pid 3611] pipe2( [pid 3610] pipe2( [pid 3615] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3613] pipe2( [pid 3612] <... pipe2 resumed>[3, 4], 0) = 0 [pid 3611] <... pipe2 resumed>[3, 4], 0) = 0 [pid 3610] <... pipe2 resumed>[3, 4], 0) = 0 [pid 3615] pipe2( [pid 3613] <... pipe2 resumed>[3, 4], 0) = 0 [pid 3612] write(4, NULL, 21 [pid 3611] write(4, NULL, 21 [pid 3610] write(4, NULL, 21 [pid 3615] <... pipe2 resumed>[3, 4], 0) = 0 [pid 3613] write(4, NULL, 21 [pid 3612] <... write resumed>) = -1 EFAULT (Bad address) [pid 3611] <... write resumed>) = -1 EFAULT (Bad address) [pid 3610] <... write resumed>) = -1 EFAULT (Bad address) [pid 3615] write(4, NULL, 21 [pid 3613] <... write resumed>) = -1 EFAULT (Bad address) [pid 3612] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 3611] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 3615] <... write resumed>) = -1 EFAULT (Bad address) [pid 3613] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 3610] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 3615] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 3616] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3616] setpgid(0, 0) = 0 [pid 3616] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3616] write(3, "1000", 4) = 4 [pid 3616] close(3) = 0 [pid 3616] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3616] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3616] pipe2([3, 4], 0) = 0 [pid 3616] write(4, NULL, 21) = -1 EFAULT (Bad address) [pid 3616] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 3615] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3615] exit_group(0) = ? [pid 3615] +++ exited with 0 +++ [pid 3607] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3615, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- [pid 3607] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3607] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 3607] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 3607] close(3) = 0 [pid 3607] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556772690) = 3620 ./strace-static-x86_64: Process 3620 attached [pid 3620] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3620] setpgid(0, 0) = 0 [pid 3620] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3620] write(3, "1000", 4) = 4 [pid 3620] close(3) = 0 [pid 3620] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3620] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3620] pipe2([3, 4], 0) = 0 [pid 3620] write(4, NULL, 21) = -1 EFAULT (Bad address) [pid 3620] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 3613] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3613] exit_group(0) = ? [pid 3613] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3613, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3605] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 3605] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 3605] close(3) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556772690) = 3622 ./strace-static-x86_64: Process 3622 attached [pid 3622] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3622] setpgid(0, 0) = 0 [pid 3622] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3622] write(3, "1000", 4) = 4 [pid 3622] close(3) = 0 [pid 3622] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3622] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3622] pipe2([3, 4], 0) = 0 [pid 3622] write(4, NULL, 21) = -1 EFAULT (Bad address) [pid 3622] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 3611] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3611] exit_group(0) = ? [pid 3611] +++ exited with 0 +++ [pid 3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3611, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- [pid 3608] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3608] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 3608] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 3608] close(3) = 0 [pid 3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556772690) = 3623 ./strace-static-x86_64: Process 3623 attached [pid 3623] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3623] setpgid(0, 0) = 0 [pid 3623] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3623] write(3, "1000", 4) = 4 [pid 3623] close(3) = 0 [pid 3623] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3623] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3623] pipe2([3, 4], 0) = 0 [pid 3623] write(4, NULL, 21) = -1 EFAULT (Bad address) [pid 3623] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 3612] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3612] exit_group(0) = ? [pid 3612] +++ exited with 0 +++ [pid 3606] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3612, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3606] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3606] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 3606] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 3606] close(3) = 0 [pid 3606] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556772690) = 3624 ./strace-static-x86_64: Process 3624 attached [pid 3624] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3624] setpgid(0, 0) = 0 [pid 3624] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3624] write(3, "1000", 4) = 4 [pid 3624] close(3) = 0 [pid 3624] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3624] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3624] pipe2([3, 4], 0) = 0 [pid 3624] write(4, NULL, 21) = -1 EFAULT (Bad address) [pid 3624] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 3610] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3610] exit_group(0) = ? [pid 3610] +++ exited with 0 +++ [pid 3604] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3610, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3604] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 3604] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 3604] close(3) = 0 [pid 3604] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556772690) = 3625 ./strace-static-x86_64: Process 3625 attached [pid 3625] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3625] setpgid(0, 0) = 0 [pid 3625] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3625] write(3, "1000", 4) = 4 [pid 3625] close(3) = 0 [pid 3625] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3625] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3625] pipe2([3, 4], 0) = 0 [pid 3625] write(4, NULL, 21) = -1 EFAULT (Bad address) [pid 3625] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 3616] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3616] exit_group(0) = ? [pid 3616] +++ exited with 0 +++ [pid 3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3616, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3609] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3609] openat(AT_FDCWD, "/dev/loop5", 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=0x555556772690) = 3626 ./strace-static-x86_64: Process 3626 attached [pid 3626] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3626] setpgid(0, 0) = 0 [pid 3626] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3626] write(3, "1000", 4) = 4 [pid 3626] close(3) = 0 [pid 3626] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3626] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3626] pipe2([3, 4], 0) = 0 [pid 3626] write(4, NULL, 21) = -1 EFAULT (Bad address) [pid 3626] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 3624] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3624] exit_group(0) = ? [pid 3624] +++ exited with 0 +++ [pid 3606] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3624, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- [pid 3606] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3606] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 3606] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 3606] close(3) = 0 [pid 3606] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556772690) = 3627 ./strace-static-x86_64: Process 3627 attached [pid 3627] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3627] setpgid(0, 0) = 0 [pid 3627] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3627] write(3, "1000", 4) = 4 [pid 3627] close(3) = 0 [pid 3627] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3627] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3627] pipe2([3, 4], 0) = 0 [pid 3627] write(4, NULL, 21) = -1 EFAULT (Bad address) [pid 3627] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 3623] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3623] exit_group(0) = ? [pid 3623] +++ exited with 0 +++ [pid 3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3623, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3608] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3608] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 3608] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 3608] close(3) = 0 [pid 3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556772690) = 3628 ./strace-static-x86_64: Process 3628 attached [pid 3628] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3628] setpgid(0, 0) = 0 [pid 3628] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3628] write(3, "1000", 4) = 4 [pid 3628] close(3) = 0 [pid 3628] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3628] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3628] pipe2([3, 4], 0) = 0 [pid 3628] write(4, NULL, 21) = -1 EFAULT (Bad address) [pid 3628] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 3620] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3620] exit_group(0) = ? [pid 3620] +++ exited with 0 +++ [pid 3607] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3620, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- [pid 3607] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3607] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 3607] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 3607] close(3) = 0 [pid 3607] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556772690) = 3629 ./strace-static-x86_64: Process 3629 attached [pid 3629] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3629] setpgid(0, 0) = 0 [pid 3629] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3629] write(3, "1000", 4) = 4 [pid 3629] close(3) = 0 [pid 3629] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3629] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3629] pipe2([3, 4], 0) = 0 [pid 3629] write(4, NULL, 21) = -1 EFAULT (Bad address) [pid 3629] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 3622] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3622] exit_group(0) = ? [pid 3622] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3622, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- [pid 3605] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 3605] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 3605] close(3) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556772690) = 3630 ./strace-static-x86_64: Process 3630 attached [pid 3630] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3630] setpgid(0, 0) = 0 [pid 3630] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3630] write(3, "1000", 4) = 4 [pid 3630] close(3) = 0 [pid 3630] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3630] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3630] pipe2([3, 4], 0) = 0 [pid 3630] write(4, NULL, 21) = -1 EFAULT (Bad address) [pid 3630] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 3625] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3625] exit_group(0) = ? [pid 3625] +++ exited with 0 +++ [pid 3604] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3625, si_uid=0, si_status=0, si_utime=0, si_stime=5} --- [pid 3604] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3604] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 3604] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 3604] close(3) = 0 [pid 3604] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556772690) = 3631 ./strace-static-x86_64: Process 3631 attached [pid 3631] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3631] setpgid(0, 0) = 0 [pid 3631] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3631] write(3, "1000", 4) = 4 [pid 3631] close(3) = 0 [pid 3631] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3631] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3631] pipe2([3, 4], 0) = 0 [pid 3631] write(4, NULL, 21) = -1 EFAULT (Bad address) [pid 3631] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 3629] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3629] exit_group(0) = ? [pid 3629] +++ exited with 0 +++ [pid 3607] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3629, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3607] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3607] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 3607] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 3607] close(3) = 0 [pid 3607] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556772690) = 3632 ./strace-static-x86_64: Process 3632 attached [pid 3632] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3632] setpgid(0, 0) = 0 [pid 3632] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3632] write(3, "1000", 4) = 4 [pid 3632] close(3) = 0 [pid 3632] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3632] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3632] pipe2([3, 4], 0) = 0 [pid 3632] write(4, NULL, 21) = -1 EFAULT (Bad address) [pid 3632] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 3627] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3627] exit_group(0) = ? [pid 3627] +++ exited with 0 +++ [pid 3606] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3627, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3606] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3606] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 3606] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 3606] close(3) = 0 [pid 3606] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556772690) = 3633 ./strace-static-x86_64: Process 3633 attached [pid 3633] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3633] setpgid(0, 0) = 0 [pid 3633] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3633] write(3, "1000", 4) = 4 [pid 3633] close(3) = 0 [pid 3633] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3633] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3633] pipe2([3, 4], 0) = 0 [pid 3633] write(4, NULL, 21) = -1 EFAULT (Bad address) [pid 3633] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 3628] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3628] exit_group(0) = ? [pid 3628] +++ exited with 0 +++ [pid 3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3628, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3608] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3608] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 3608] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 3608] close(3) = 0 [pid 3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556772690) = 3634 ./strace-static-x86_64: Process 3634 attached [pid 3634] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3634] setpgid(0, 0) = 0 [pid 3634] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3634] write(3, "1000", 4) = 4 [pid 3634] close(3) = 0 [pid 3634] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3634] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3634] pipe2([3, 4], 0) = 0 [pid 3634] write(4, NULL, 21) = -1 EFAULT (Bad address) [pid 3634] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 3626] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3626] exit_group(0) = ? [pid 3626] +++ exited with 0 +++ [pid 3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3626, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3609] openat(AT_FDCWD, "/dev/loop5", 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=0x555556772690) = 3635 ./strace-static-x86_64: Process 3635 attached [pid 3635] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3635] setpgid(0, 0) = 0 [pid 3635] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3635] write(3, "1000", 4) = 4 [pid 3635] close(3) = 0 [pid 3635] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3635] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3635] pipe2([3, 4], 0) = 0 [pid 3635] write(4, NULL, 21) = -1 EFAULT (Bad address) [pid 3635] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 3630] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3630] exit_group(0) = ? [pid 3630] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3630, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3605] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 3605] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 3605] close(3) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556772690) = 3636 ./strace-static-x86_64: Process 3636 attached [pid 3636] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3636] setpgid(0, 0) = 0 [pid 3636] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3636] write(3, "1000", 4) = 4 [pid 3636] close(3) = 0 [pid 3636] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3636] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3636] pipe2([3, 4], 0) = 0 [pid 3636] write(4, NULL, 21) = -1 EFAULT (Bad address) [pid 3636] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 3631] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3631] exit_group(0) = ? [pid 3631] +++ exited with 0 +++ [pid 3604] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3631, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3604] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3604] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 3604] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 3604] close(3) = 0 [pid 3604] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556772690) = 3637 ./strace-static-x86_64: Process 3637 attached [pid 3637] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3637] setpgid(0, 0) = 0 [pid 3637] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3637] write(3, "1000", 4) = 4 [pid 3637] close(3) = 0 [pid 3637] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3637] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3637] pipe2([3, 4], 0) = 0 [pid 3637] write(4, NULL, 21) = -1 EFAULT (Bad address) [pid 3637] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 3633] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3633] exit_group(0) = ? [pid 3633] +++ exited with 0 +++ [pid 3606] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3633, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3606] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 3606] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 3606] close(3) = 0 [pid 3606] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556772690) = 3638 ./strace-static-x86_64: Process 3638 attached [pid 3638] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3638] setpgid(0, 0) = 0 [pid 3638] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3638] write(3, "1000", 4) = 4 [pid 3638] close(3) = 0 [pid 3638] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3638] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3638] pipe2([3, 4], 0) = 0 [pid 3638] write(4, NULL, 21) = -1 EFAULT (Bad address) [pid 3638] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 3632] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3632] exit_group(0) = ? [pid 3632] +++ exited with 0 +++ [pid 3607] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3632, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3607] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 3607] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 3607] close(3) = 0 [pid 3607] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556772690) = 3639 ./strace-static-x86_64: Process 3639 attached [pid 3639] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3639] setpgid(0, 0) = 0 [pid 3639] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3639] write(3, "1000", 4) = 4 [pid 3639] close(3) = 0 [pid 3634] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3639] mkdir("./file0", 0777 [pid 3634] exit_group(0) = ? [pid 3639] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3639] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3634] +++ exited with 0 +++ [pid 3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3634, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3608] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3608] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 3608] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 3608] close(3) = 0 [pid 3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556772690) = 3640 [pid 3639] pipe2([3, 4], 0) = 0 [pid 3639] write(4, NULL, 21) = -1 EFAULT (Bad address) [pid 3639] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,"./strace-static-x86_64: Process 3640 attached [pid 3640] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3640] setpgid(0, 0) = 0 [pid 3640] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3640] write(3, "1000", 4) = 4 [pid 3640] close(3) = 0 [pid 3640] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3640] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3640] pipe2([3, 4], 0) = 0 [pid 3640] write(4, NULL, 21 [pid 3635] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3640] <... write resumed>) = -1 EFAULT (Bad address) [pid 3635] exit_group(0 [pid 3640] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 3635] <... exit_group resumed>) = ? [pid 3635] +++ exited with 0 +++ [pid 3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3635, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3609] openat(AT_FDCWD, "/dev/loop5", 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=0x555556772690) = 3641 ./strace-static-x86_64: Process 3641 attached [pid 3641] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3641] setpgid(0, 0) = 0 [pid 3641] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3641] write(3, "1000", 4) = 4 [pid 3641] close(3) = 0 [pid 3641] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3641] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3641] pipe2([3, 4], 0) = 0 [pid 3641] write(4, NULL, 21) = -1 EFAULT (Bad address) [pid 3641] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 3636] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3636] exit_group(0) = ? [pid 3636] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3636, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3605] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 3605] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 3605] close(3) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556772690) = 3642 ./strace-static-x86_64: Process 3642 attached [pid 3642] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3642] setpgid(0, 0) = 0 [pid 3642] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3642] write(3, "1000", 4) = 4 [pid 3642] close(3) = 0 [pid 3642] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3642] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3642] pipe2([3, 4], 0) = 0 [pid 3642] write(4, NULL, 21) = -1 EFAULT (Bad address) [pid 3642] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 3637] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3637] exit_group(0) = ? [pid 3637] +++ exited with 0 +++ [pid 3604] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3637, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3604] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3604] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 3604] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 3604] close(3) = 0 [pid 3604] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556772690) = 3643 ./strace-static-x86_64: Process 3643 attached [pid 3643] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3643] setpgid(0, 0) = 0 [pid 3643] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3643] write(3, "1000", 4) = 4 [pid 3643] close(3) = 0 [pid 3643] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3643] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3643] pipe2([3, 4], 0) = 0 [pid 3643] write(4, NULL, 21) = -1 EFAULT (Bad address) [pid 3643] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 3638] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3638] exit_group(0) = ? [pid 3638] +++ exited with 0 +++ [pid 3606] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3638, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3606] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3606] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 3606] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 3606] close(3) = 0 [pid 3606] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556772690) = 3644 ./strace-static-x86_64: Process 3644 attached [pid 3644] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3644] setpgid(0, 0) = 0 [pid 3644] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3644] write(3, "1000", 4) = 4 [pid 3644] close(3) = 0 [pid 3644] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3644] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3644] pipe2([3, 4], 0) = 0 [pid 3644] write(4, NULL, 21) = -1 EFAULT (Bad address) [pid 3644] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 3639] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3639] exit_group(0) = ? [pid 3639] +++ exited with 0 +++ [pid 3607] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3639, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3607] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3607] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 3607] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 3607] close(3) = 0 [pid 3607] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556772690) = 3645 ./strace-static-x86_64: Process 3645 attached [pid 3645] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3645] setpgid(0, 0) = 0 [pid 3645] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3645] write(3, "1000", 4) = 4 [pid 3645] close(3) = 0 [pid 3645] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3645] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3645] pipe2([3, 4], 0) = 0 [pid 3645] write(4, NULL, 21) = -1 EFAULT (Bad address) [pid 3645] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 3641] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3641] exit_group(0) = ? [pid 3641] +++ exited with 0 +++ [pid 3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3641, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3609] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3609] openat(AT_FDCWD, "/dev/loop5", 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=0x555556772690) = 3646 ./strace-static-x86_64: Process 3646 attached [pid 3646] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3646] setpgid(0, 0) = 0 [pid 3646] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3646] write(3, "1000", 4) = 4 [pid 3646] close(3) = 0 [pid 3646] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3646] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3646] pipe2([3, 4], 0) = 0 [pid 3646] write(4, NULL, 21) = -1 EFAULT (Bad address) [pid 3646] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 3640] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3640] exit_group(0) = ? [pid 3640] +++ exited with 0 +++ [pid 3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3640, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3608] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3608] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 3608] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 3608] close(3) = 0 [pid 3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556772690) = 3647 ./strace-static-x86_64: Process 3647 attached [pid 3647] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3647] setpgid(0, 0) = 0 [pid 3647] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3647] write(3, "1000", 4) = 4 [pid 3647] close(3) = 0 [pid 3647] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3647] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3647] pipe2([3, 4], 0) = 0 [pid 3647] write(4, NULL, 21) = -1 EFAULT (Bad address) [pid 3647] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 3643] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3643] exit_group(0) = ? [pid 3643] +++ exited with 0 +++ [pid 3604] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3643, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3604] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 3604] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 3604] close(3) = 0 [pid 3604] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556772690) = 3648 ./strace-static-x86_64: Process 3648 attached [pid 3648] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3648] setpgid(0, 0) = 0 [pid 3648] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3648] write(3, "1000", 4) = 4 [pid 3648] close(3) = 0 [pid 3648] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3648] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3648] pipe2([3, 4], 0) = 0 [pid 3648] write(4, NULL, 21) = -1 EFAULT (Bad address) [pid 3648] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 3642] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3642] exit_group(0) = ? [pid 3642] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3642, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3605] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 3605] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 3605] close(3) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556772690) = 3649 ./strace-static-x86_64: Process 3649 attached [pid 3649] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3649] setpgid(0, 0) = 0 [pid 3649] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3649] write(3, "1000", 4) = 4 [pid 3649] close(3) = 0 [pid 3649] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3649] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3649] pipe2([3, 4], 0) = 0 [pid 3649] write(4, NULL, 21) = -1 EFAULT (Bad address) [pid 3649] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 3644] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3644] exit_group(0) = ? [pid 3644] +++ exited with 0 +++ [pid 3606] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3644, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3606] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 3606] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 3606] close(3) = 0 [pid 3606] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3650 attached , child_tidptr=0x555556772690) = 3650 [pid 3650] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3650] setpgid(0, 0) = 0 [pid 3650] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3650] write(3, "1000", 4) = 4 [pid 3650] close(3) = 0 [pid 3650] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3650] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3650] pipe2([3, 4], 0) = 0 [pid 3650] write(4, NULL, 21) = -1 EFAULT (Bad address) [pid 3650] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 3645] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3645] exit_group(0) = ? [pid 3645] +++ exited with 0 +++ [pid 3607] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3645, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3607] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3607] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 3607] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 3607] close(3) = 0 [pid 3607] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556772690) = 3651 ./strace-static-x86_64: Process 3651 attached [pid 3651] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3651] setpgid(0, 0) = 0 [pid 3651] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3651] write(3, "1000", 4) = 4 [pid 3651] close(3) = 0 [pid 3651] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3651] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3651] pipe2([3, 4], 0) = 0 [pid 3651] write(4, NULL, 21) = -1 EFAULT (Bad address) [pid 3651] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 3648] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3648] exit_group(0) = ? [pid 3648] +++ exited with 0 +++ [pid 3604] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3648, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3604] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3604] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 3604] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 3604] close(3) = 0 [pid 3604] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556772690) = 3652 ./strace-static-x86_64: Process 3652 attached [pid 3652] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3652] setpgid(0, 0) = 0 [pid 3652] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3652] write(3, "1000", 4) = 4 [pid 3652] close(3) = 0 [pid 3652] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3652] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3652] pipe2([3, 4], 0) = 0 [pid 3652] write(4, NULL, 21) = -1 EFAULT (Bad address) [pid 3652] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 3647] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3647] exit_group(0) = ? [pid 3647] +++ exited with 0 +++ [pid 3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3647, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3608] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 3608] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 3608] close(3) = 0 [pid 3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556772690) = 3653 ./strace-static-x86_64: Process 3653 attached [pid 3653] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3653] setpgid(0, 0) = 0 [pid 3653] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3653] write(3, "1000", 4) = 4 [pid 3653] close(3) = 0 [pid 3653] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3653] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3653] pipe2([3, 4], 0) = 0 [pid 3653] write(4, NULL, 21) = -1 EFAULT (Bad address) [pid 3653] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 3646] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3646] exit_group(0) = ? [pid 3646] +++ exited with 0 +++ [pid 3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3646, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3609] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3609] openat(AT_FDCWD, "/dev/loop5", 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=0x555556772690) = 3654 ./strace-static-x86_64: Process 3654 attached [pid 3654] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3654] setpgid(0, 0) = 0 [pid 3654] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3654] write(3, "1000", 4) = 4 [pid 3654] close(3) = 0 [pid 3654] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3654] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3654] pipe2([3, 4], 0) = 0 [pid 3654] write(4, NULL, 21) = -1 EFAULT (Bad address) [pid 3654] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 3649] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3649] exit_group(0) = ? [pid 3649] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3649, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 3605] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 3605] close(3) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3655 attached , child_tidptr=0x555556772690) = 3655 [pid 3655] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3655] setpgid(0, 0) = 0 [pid 3655] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3655] write(3, "1000", 4) = 4 [pid 3650] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3650] exit_group(0) = ? [pid 3655] close(3) = 0 [pid 3655] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3650] +++ exited with 0 +++ [pid 3655] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3655] pipe2( [pid 3606] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3650, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3606] restart_syscall(<... resuming interrupted clone ...> [pid 3655] <... pipe2 resumed>[3, 4], 0) = 0 [pid 3606] <... restart_syscall resumed>) = 0 [pid 3655] write(4, NULL, 21) = -1 EFAULT (Bad address) [pid 3606] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 3606] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 3606] close(3 [pid 3655] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 3606] <... close resumed>) = 0 [pid 3606] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556772690) = 3656 ./strace-static-x86_64: Process 3656 attached [pid 3656] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3656] setpgid(0, 0) = 0 [pid 3656] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3656] write(3, "1000", 4) = 4 [pid 3656] close(3) = 0 [pid 3656] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3656] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3656] pipe2([3, 4], 0) = 0 [pid 3656] write(4, NULL, 21) = -1 EFAULT (Bad address) [pid 3656] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 3651] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3651] exit_group(0) = ? [pid 3651] +++ exited with 0 +++ [pid 3607] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3651, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3607] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3607] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 3607] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 3607] close(3) = 0 [pid 3607] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556772690) = 3657 ./strace-static-x86_64: Process 3657 attached [pid 3657] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3657] setpgid(0, 0) = 0 [pid 3657] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3657] write(3, "1000", 4) = 4 [pid 3657] close(3) = 0 [pid 3657] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3657] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3657] pipe2([3, 4], 0) = 0 [pid 3657] write(4, NULL, 21) = -1 EFAULT (Bad address) [pid 3657] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 3652] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3652] exit_group(0) = ? [pid 3652] +++ exited with 0 +++ [pid 3604] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3652, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3604] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 3604] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 3604] close(3) = 0 [pid 3604] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556772690) = 3658 ./strace-static-x86_64: Process 3658 attached [pid 3658] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3658] setpgid(0, 0) = 0 [pid 3658] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3658] write(3, "1000", 4) = 4 [pid 3658] close(3) = 0 [pid 3658] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3658] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3658] pipe2([3, 4], 0) = 0 [pid 3658] write(4, NULL, 21) = -1 EFAULT (Bad address) [pid 3658] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 3653] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3653] exit_group(0) = ? [pid 3653] +++ exited with 0 +++ [pid 3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3653, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3608] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 3608] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 3608] close(3) = 0 [pid 3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556772690) = 3659 ./strace-static-x86_64: Process 3659 attached [pid 3659] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3659] setpgid(0, 0) = 0 [pid 3659] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3659] write(3, "1000", 4) = 4 [pid 3659] close(3) = 0 [pid 3659] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3659] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3659] pipe2([3, 4], 0) = 0 [pid 3659] write(4, NULL, 21) = -1 EFAULT (Bad address) [pid 3659] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 3654] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3654] exit_group(0) = ? [pid 3654] +++ exited with 0 +++ [pid 3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3654, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3609] openat(AT_FDCWD, "/dev/loop5", 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=0x555556772690) = 3660 ./strace-static-x86_64: Process 3660 attached [pid 3660] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3660] setpgid(0, 0) = 0 [pid 3660] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3660] write(3, "1000", 4) = 4 [pid 3660] close(3) = 0 [pid 3660] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3660] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3660] pipe2([3, 4], 0) = 0 [pid 3660] write(4, NULL, 21) = -1 EFAULT (Bad address) [pid 3660] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 3655] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3655] exit_group(0) = ? [pid 3655] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3655, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3605] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 3605] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 3605] close(3) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556772690) = 3661 ./strace-static-x86_64: Process 3661 attached [pid 3661] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3661] setpgid(0, 0) = 0 [pid 3661] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3661] write(3, "1000", 4) = 4 [pid 3661] close(3) = 0 [pid 3661] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3661] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3661] pipe2([3, 4], 0) = 0 [pid 3661] write(4, NULL, 21) = -1 EFAULT (Bad address) [pid 3661] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 3657] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3657] exit_group(0) = ? [pid 3657] +++ exited with 0 +++ [pid 3607] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3657, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3607] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 3607] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 3607] close(3) = 0 [pid 3607] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556772690) = 3662 ./strace-static-x86_64: Process 3662 attached [pid 3662] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3662] setpgid(0, 0) = 0 [pid 3662] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3662] write(3, "1000", 4) = 4 [pid 3662] close(3) = 0 [pid 3662] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3662] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3662] pipe2([3, 4], 0) = 0 [pid 3662] write(4, NULL, 21) = -1 EFAULT (Bad address) [pid 3662] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 3656] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3656] exit_group(0) = ? [pid 3656] +++ exited with 0 +++ [pid 3606] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3656, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3606] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 3606] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 3606] close(3) = 0 [pid 3606] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556772690) = 3663 ./strace-static-x86_64: Process 3663 attached [pid 3663] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3663] setpgid(0, 0) = 0 [pid 3663] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3663] write(3, "1000", 4) = 4 [pid 3663] close(3) = 0 [pid 3663] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3663] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3663] pipe2([3, 4], 0) = 0 [pid 3663] write(4, NULL, 21) = -1 EFAULT (Bad address) [pid 3663] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 3658] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3658] exit_group(0) = ? [pid 3658] +++ exited with 0 +++ [pid 3604] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3658, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3604] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 3604] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 3604] close(3) = 0 [pid 3604] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556772690) = 3664 ./strace-static-x86_64: Process 3664 attached [pid 3664] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3664] setpgid(0, 0) = 0 [pid 3664] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3664] write(3, "1000", 4) = 4 [pid 3664] close(3) = 0 [pid 3664] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3664] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3664] pipe2([3, 4], 0) = 0 [pid 3664] write(4, NULL, 21) = -1 EFAULT (Bad address) [pid 3664] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 3659] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3659] exit_group(0) = ? [pid 3659] +++ exited with 0 +++ [pid 3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3659, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3608] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 3608] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 3608] close(3) = 0 [pid 3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556772690) = 3665 ./strace-static-x86_64: Process 3665 attached [pid 3665] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3665] setpgid(0, 0) = 0 [pid 3665] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3665] write(3, "1000", 4) = 4 [pid 3665] close(3) = 0 [pid 3665] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3665] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3665] pipe2([3, 4], 0) = 0 [pid 3665] write(4, NULL, 21) = -1 EFAULT (Bad address) [pid 3665] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 3664] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3664] exit_group(0) = ? [pid 3664] +++ exited with 0 +++ [pid 3604] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3664, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3604] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3604] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 3604] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 3604] close(3) = 0 [pid 3604] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556772690) = 3666 ./strace-static-x86_64: Process 3666 attached [pid 3666] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3666] setpgid(0, 0) = 0 [pid 3666] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3666] write(3, "1000", 4) = 4 [pid 3666] close(3) = 0 [pid 3666] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3666] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3666] pipe2([3, 4], 0) = 0 [pid 3666] write(4, NULL, 21) = -1 EFAULT (Bad address) [pid 3666] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 3660] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3660] exit_group(0) = ? [pid 3660] +++ exited with 0 +++ [pid 3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3660, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3609] openat(AT_FDCWD, "/dev/loop5", 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=0x555556772690) = 3667 ./strace-static-x86_64: Process 3667 attached [pid 3667] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3667] setpgid(0, 0) = 0 [pid 3667] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3667] write(3, "1000", 4) = 4 [pid 3667] close(3) = 0 [pid 3667] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3667] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3667] pipe2([3, 4], 0) = 0 [pid 3667] write(4, NULL, 21) = -1 EFAULT (Bad address) [pid 3667] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 3663] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3663] exit_group(0) = ? [pid 3663] +++ exited with 0 +++ [pid 3606] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3663, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3606] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3606] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 3606] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 3606] close(3) = 0 [pid 3606] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556772690) = 3668 ./strace-static-x86_64: Process 3668 attached [pid 3668] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3668] setpgid(0, 0) = 0 [pid 3668] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3668] write(3, "1000", 4) = 4 [pid 3668] close(3) = 0 [pid 3668] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3668] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3668] pipe2([3, 4], 0) = 0 [pid 3668] write(4, NULL, 21) = -1 EFAULT (Bad address) [pid 3668] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 3662] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3662] exit_group(0) = ? [pid 3662] +++ exited with 0 +++ [pid 3607] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3662, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3607] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3607] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 3607] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 3607] close(3) = 0 [pid 3607] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556772690) = 3669 ./strace-static-x86_64: Process 3669 attached [pid 3669] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3669] setpgid(0, 0) = 0 [pid 3669] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3669] write(3, "1000", 4) = 4 [pid 3669] close(3) = 0 [pid 3669] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3669] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3669] pipe2([3, 4], 0) = 0 [pid 3669] write(4, NULL, 21) = -1 EFAULT (Bad address) [pid 3669] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 3661] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3661] exit_group(0) = ? [pid 3661] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3661, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 3605] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 3605] close(3) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556772690) = 3670 ./strace-static-x86_64: Process 3670 attached [pid 3670] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3670] setpgid(0, 0) = 0 [pid 3670] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3670] write(3, "1000", 4) = 4 [pid 3670] close(3) = 0 [pid 3670] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3670] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3670] pipe2([3, 4], 0) = 0 [pid 3670] write(4, NULL, 21) = -1 EFAULT (Bad address) [pid 3670] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 3666] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3666] exit_group(0) = ? [pid 3666] +++ exited with 0 +++ [pid 3604] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3666, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3604] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 3604] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 3604] close(3) = 0 [pid 3604] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556772690) = 3671 ./strace-static-x86_64: Process 3671 attached [pid 3671] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3671] setpgid(0, 0) = 0 [pid 3671] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3671] write(3, "1000", 4) = 4 [pid 3671] close(3) = 0 [pid 3671] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3671] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3671] pipe2([3, 4], 0) = 0 [pid 3671] write(4, NULL, 21) = -1 EFAULT (Bad address) [pid 3671] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 3667] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3667] exit_group(0) = ? [pid 3667] +++ exited with 0 +++ [pid 3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3667, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3609] openat(AT_FDCWD, "/dev/loop5", 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=0x555556772690) = 3672 ./strace-static-x86_64: Process 3672 attached [pid 3672] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3672] setpgid(0, 0) = 0 [pid 3672] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3672] write(3, "1000", 4) = 4 [pid 3672] close(3) = 0 [pid 3672] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3672] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3672] pipe2([3, 4], 0) = 0 [pid 3672] write(4, NULL, 21) = -1 EFAULT (Bad address) [pid 3672] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 3665] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3665] exit_group(0) = ? [pid 3665] +++ exited with 0 +++ [pid 3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3665, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3608] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3608] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 3608] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 3608] close(3) = 0 [pid 3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556772690) = 3673 ./strace-static-x86_64: Process 3673 attached [pid 3673] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3673] setpgid(0, 0) = 0 [pid 3673] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3673] write(3, "1000", 4) = 4 [pid 3673] close(3) = 0 [pid 3673] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3673] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3673] pipe2([3, 4], 0) = 0 [pid 3673] write(4, NULL, 21) = -1 EFAULT (Bad address) [pid 3673] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 3668] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3668] exit_group(0) = ? [pid 3668] +++ exited with 0 +++ [pid 3606] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3668, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3606] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3606] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 3606] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 3606] close(3) = 0 [pid 3606] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556772690) = 3674 ./strace-static-x86_64: Process 3674 attached [pid 3674] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3674] setpgid(0, 0) = 0 [pid 3674] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3674] write(3, "1000", 4) = 4 [pid 3674] close(3) = 0 [pid 3674] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3674] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3674] pipe2([3, 4], 0) = 0 [pid 3674] write(4, NULL, 21) = -1 EFAULT (Bad address) [pid 3674] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 3669] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3669] exit_group(0) = ? [pid 3669] +++ exited with 0 +++ [pid 3607] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3669, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3607] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3607] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 3607] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 3607] close(3) = 0 [pid 3607] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556772690) = 3675 ./strace-static-x86_64: Process 3675 attached [pid 3675] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3675] setpgid(0, 0) = 0 [pid 3675] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3675] write(3, "1000", 4) = 4 [pid 3675] close(3) = 0 [pid 3675] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3675] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3675] pipe2([3, 4], 0) = 0 [pid 3675] write(4, NULL, 21) = -1 EFAULT (Bad address) [pid 3675] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 3670] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3670] exit_group(0) = ? [pid 3670] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3670, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 3605] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 3605] close(3) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556772690) = 3676 ./strace-static-x86_64: Process 3676 attached [pid 3676] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3676] setpgid(0, 0) = 0 [pid 3676] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3676] write(3, "1000", 4) = 4 [pid 3676] close(3) = 0 [pid 3676] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3676] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3676] pipe2([3, 4], 0) = 0 [pid 3676] write(4, NULL, 21) = -1 EFAULT (Bad address) [pid 3676] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 3673] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3673] exit_group(0) = ? [pid 3673] +++ exited with 0 +++ [pid 3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3673, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3608] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 3608] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 3608] close(3) = 0 [pid 3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556772690) = 3677 ./strace-static-x86_64: Process 3677 attached [pid 3677] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3677] setpgid(0, 0) = 0 [pid 3677] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3677] write(3, "1000", 4) = 4 [pid 3677] close(3) = 0 [pid 3677] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3677] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3677] pipe2([3, 4], 0) = 0 [pid 3677] write(4, NULL, 21) = -1 EFAULT (Bad address) [pid 3677] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 3672] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3672] exit_group(0) = ? [pid 3672] +++ exited with 0 +++ [pid 3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3672, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3609] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3609] openat(AT_FDCWD, "/dev/loop5", 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=0x555556772690) = 3678 ./strace-static-x86_64: Process 3678 attached [pid 3678] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3678] setpgid(0, 0) = 0 [pid 3678] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3678] write(3, "1000", 4) = 4 [pid 3678] close(3) = 0 [pid 3678] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3678] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3678] pipe2([3, 4], 0) = 0 [pid 3678] write(4, NULL, 21) = -1 EFAULT (Bad address) [pid 3678] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 3671] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3671] exit_group(0) = ? [pid 3671] +++ exited with 0 +++ [pid 3604] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3671, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3604] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 3604] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 3604] close(3) = 0 [pid 3604] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556772690) = 3679 ./strace-static-x86_64: Process 3679 attached [pid 3679] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3679] setpgid(0, 0) = 0 [pid 3679] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3679] write(3, "1000", 4) = 4 [pid 3679] close(3) = 0 [pid 3679] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3679] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3679] pipe2([3, 4], 0) = 0 [pid 3679] write(4, NULL, 21 [pid 3674] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3674] exit_group(0 [pid 3679] <... write resumed>) = -1 EFAULT (Bad address) [pid 3679] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 3674] <... exit_group resumed>) = ? [pid 3674] +++ exited with 0 +++ [pid 3606] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3674, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3606] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 3606] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 3606] close(3) = 0 [pid 3606] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556772690) = 3680 ./strace-static-x86_64: Process 3680 attached [pid 3680] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3680] setpgid(0, 0) = 0 [pid 3680] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3680] write(3, "1000", 4) = 4 [pid 3680] close(3) = 0 [pid 3680] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3680] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3680] pipe2([3, 4], 0) = 0 [pid 3680] write(4, NULL, 21) = -1 EFAULT (Bad address) [pid 3680] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 3675] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3675] exit_group(0) = ? [pid 3675] +++ exited with 0 +++ [pid 3607] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3675, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3607] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3607] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 3607] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 3607] close(3) = 0 [pid 3607] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556772690) = 3681 ./strace-static-x86_64: Process 3681 attached [pid 3678] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3678] exit_group(0) = ? [pid 3678] +++ exited with 0 +++ [pid 3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3678, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3609] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3609] openat(AT_FDCWD, "/dev/loop5", 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=0x555556772690) = 3682 [pid 3681] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3681] setpgid(0, 0) = 0 [pid 3681] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3681] write(3, "1000", 4) = 4 ./strace-static-x86_64: Process 3682 attached [pid 3682] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3682] setpgid(0, 0 [pid 3681] close(3) = 0 [pid 3682] <... setpgid resumed>) = 0 [pid 3682] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3681] mkdir("./file0", 0777 [pid 3682] write(3, "1000", 4 [pid 3681] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3682] <... write resumed>) = 4 [pid 3681] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3682] close(3 [pid 3681] pipe2( [pid 3682] <... close resumed>) = 0 [pid 3681] <... pipe2 resumed>[3, 4], 0) = 0 [pid 3682] mkdir("./file0", 0777 [pid 3681] write(4, NULL, 21) = -1 EFAULT (Bad address) [pid 3681] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 3682] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3682] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3682] pipe2([3, 4], 0) = 0 [pid 3682] write(4, NULL, 21) = -1 EFAULT (Bad address) [pid 3682] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 3677] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3677] exit_group(0) = ? [pid 3677] +++ exited with 0 +++ [pid 3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3677, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3608] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3608] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 3608] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 3608] close(3) = 0 [pid 3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556772690) = 3683 ./strace-static-x86_64: Process 3683 attached [pid 3683] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3683] setpgid(0, 0) = 0 [pid 3683] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3683] write(3, "1000", 4) = 4 [pid 3683] close(3) = 0 [pid 3683] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3683] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3683] pipe2([3, 4], 0) = 0 [pid 3683] write(4, NULL, 21) = -1 EFAULT (Bad address) [pid 3683] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 3676] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3676] exit_group(0) = ? [pid 3676] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3676, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 3605] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 3605] close(3) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556772690) = 3684 ./strace-static-x86_64: Process 3684 attached [pid 3684] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3684] setpgid(0, 0) = 0 [pid 3684] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3684] write(3, "1000", 4) = 4 [pid 3684] close(3) = 0 [pid 3684] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3684] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3684] pipe2([3, 4], 0) = 0 [pid 3684] write(4, NULL, 21) = -1 EFAULT (Bad address) [pid 3684] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 3679] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3679] exit_group(0) = ? [pid 3679] +++ exited with 0 +++ [pid 3604] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3679, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3604] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3604] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 3604] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 3604] close(3) = 0 [pid 3604] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556772690) = 3685 ./strace-static-x86_64: Process 3685 attached [pid 3685] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3685] setpgid(0, 0) = 0 [pid 3685] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3681] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3681] exit_group(0 [pid 3685] <... openat resumed>) = 3 [pid 3681] <... exit_group resumed>) = ? [pid 3685] write(3, "1000", 4) = 4 [pid 3685] close(3 [pid 3681] +++ exited with 0 +++ [pid 3685] <... close resumed>) = 0 [pid 3685] mkdir("./file0", 0777 [pid 3607] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3681, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3685] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3685] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3685] pipe2([3, 4], 0) = 0 [pid 3685] write(4, NULL, 21) = -1 EFAULT (Bad address) [pid 3685] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 3607] restart_syscall(<... resuming interrupted clone ...> [pid 3682] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3607] <... restart_syscall resumed>) = 0 [pid 3682] exit_group(0) = ? [pid 3682] +++ exited with 0 +++ [pid 3607] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3682, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3607] <... openat resumed>) = 3 [pid 3607] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 3607] close(3) = 0 [pid 3607] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3609] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 3609] ioctl(3, LOOP_CLR_FD [pid 3607] <... clone resumed>, child_tidptr=0x555556772690) = 3686 [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=0x555556772690) = 3687 ./strace-static-x86_64: Process 3686 attached [pid 3686] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3686] setpgid(0, 0) = 0 [pid 3686] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 ./strace-static-x86_64: Process 3687 attached [pid 3686] write(3, "1000", 4) = 4 [pid 3686] close(3) = 0 [pid 3687] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3686] mkdir("./file0", 0777 [pid 3680] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3680] exit_group(0) = ? [pid 3687] <... prctl resumed>) = 0 [pid 3680] +++ exited with 0 +++ [pid 3687] setpgid(0, 0) = 0 [pid 3606] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3680, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3686] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3606] restart_syscall(<... resuming interrupted clone ...> [pid 3687] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3686] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3606] <... restart_syscall resumed>) = 0 [pid 3687] <... openat resumed>) = 3 [pid 3686] pipe2([3, 4], 0) = 0 [pid 3687] write(3, "1000", 4 [pid 3686] write(4, NULL, 21 [pid 3687] <... write resumed>) = 4 [pid 3686] <... write resumed>) = -1 EFAULT (Bad address) [pid 3606] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 3687] close(3 [pid 3686] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 3687] <... close resumed>) = 0 [pid 3606] <... openat resumed>) = 3 [pid 3687] mkdir("./file0", 0777 [pid 3606] ioctl(3, LOOP_CLR_FD [pid 3687] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3606] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3687] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3606] close(3 [pid 3687] pipe2( [pid 3606] <... close resumed>) = 0 [pid 3606] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3687] <... pipe2 resumed>[3, 4], 0) = 0 [pid 3687] write(4, NULL, 21./strace-static-x86_64: Process 3688 attached ) = -1 EFAULT (Bad address) [pid 3606] <... clone resumed>, child_tidptr=0x555556772690) = 3688 [pid 3688] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3687] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 3688] <... prctl resumed>) = 0 [pid 3688] setpgid(0, 0) = 0 [pid 3688] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3688] write(3, "1000", 4) = 4 [pid 3688] close(3) = 0 [pid 3688] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3688] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3688] pipe2([3, 4], 0) = 0 [pid 3688] write(4, NULL, 21) = -1 EFAULT (Bad address) [pid 3688] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 3683] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3683] exit_group(0) = ? [pid 3683] +++ exited with 0 +++ [pid 3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3683, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3608] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 3608] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 3608] close(3) = 0 [pid 3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556772690) = 3689 ./strace-static-x86_64: Process 3689 attached [pid 3689] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3689] setpgid(0, 0) = 0 [pid 3689] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3689] write(3, "1000", 4) = 4 [pid 3689] close(3) = 0 [pid 3689] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3689] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3689] pipe2([3, 4], 0) = 0 [pid 3689] write(4, NULL, 21) = -1 EFAULT (Bad address) [pid 3689] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 3684] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3684] exit_group(0) = ? [pid 3684] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3684, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 3605] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 3605] close(3) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556772690) = 3690 ./strace-static-x86_64: Process 3690 attached [pid 3690] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3690] setpgid(0, 0) = 0 [pid 3690] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3690] write(3, "1000", 4) = 4 [pid 3690] close(3) = 0 [pid 3690] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3690] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3690] pipe2([3, 4], 0) = 0 [pid 3690] write(4, NULL, 21) = -1 EFAULT (Bad address) [pid 3690] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 3685] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3685] exit_group(0) = ? [pid 3685] +++ exited with 0 +++ [pid 3604] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3685, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3604] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 3604] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 3604] close(3) = 0 [pid 3604] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556772690) = 3691 ./strace-static-x86_64: Process 3691 attached [pid 3691] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3691] setpgid(0, 0) = 0 [pid 3691] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3691] write(3, "1000", 4) = 4 [pid 3691] close(3) = 0 [pid 3691] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3691] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3691] pipe2([3, 4], 0) = 0 [pid 3691] write(4, NULL, 21) = -1 EFAULT (Bad address) [pid 3691] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 3688] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3688] exit_group(0) = ? [pid 3688] +++ exited with 0 +++ [pid 3606] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3688, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3606] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 3606] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 3606] close(3) = 0 [pid 3606] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556772690) = 3692 ./strace-static-x86_64: Process 3692 attached [pid 3692] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3692] setpgid(0, 0) = 0 [pid 3692] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3692] write(3, "1000", 4) = 4 [pid 3692] close(3) = 0 [pid 3692] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3692] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3692] pipe2([3, 4], 0) = 0 [pid 3692] write(4, NULL, 21) = -1 EFAULT (Bad address) [pid 3692] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 3686] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3686] exit_group(0) = ? [pid 3686] +++ exited with 0 +++ [pid 3607] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3686, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3607] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 3607] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 3607] close(3) = 0 [pid 3607] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3693 attached , child_tidptr=0x555556772690) = 3693 [pid 3693] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3693] setpgid(0, 0) = 0 [pid 3693] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3693] write(3, "1000", 4 [pid 3687] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3687] exit_group(0) = ? [pid 3687] +++ exited with 0 +++ [pid 3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3687, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3609] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3609] openat(AT_FDCWD, "/dev/loop5", 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=0x555556772690) = 3694 ./strace-static-x86_64: Process 3694 attached [pid 3694] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3694] setpgid(0, 0) = 0 [pid 3694] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3694] write(3, "1000", 4) = 4 [pid 3694] close(3) = 0 [pid 3694] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3694] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3694] pipe2([3, 4], 0) = 0 [pid 3694] write(4, NULL, 21) = -1 EFAULT (Bad address) [pid 3694] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 3693] <... write resumed>) = 4 [pid 3693] close(3) = 0 [pid 3693] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3693] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3693] pipe2([3, 4], 0) = 0 [pid 3693] write(4, NULL, 21) = -1 EFAULT (Bad address) [pid 3693] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 3689] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3689] exit_group(0) = ? [pid 3689] +++ exited with 0 +++ [pid 3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3689, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3691] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3691] exit_group(0) = ? [pid 3608] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 3608] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 3608] close(3) = 0 [pid 3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556772690) = 3695 [pid 3691] +++ exited with 0 +++ [pid 3604] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3691, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3604] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3604] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 3604] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 3604] close(3) = 0 ./strace-static-x86_64: Process 3695 attached [pid 3695] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3604] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3695] <... prctl resumed>) = 0 [pid 3695] setpgid(0, 0) = 0 [pid 3695] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3604] <... clone resumed>, child_tidptr=0x555556772690) = 3696 ./strace-static-x86_64: Process 3696 attached [pid 3696] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3696] setpgid(0, 0) = 0 [pid 3696] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3696] write(3, "1000", 4) = 4 [pid 3695] <... openat resumed>) = 3 [pid 3696] close(3) = 0 [pid 3695] write(3, "1000", 4) = 4 [pid 3695] close(3) = 0 [pid 3695] mkdir("./file0", 0777 [pid 3696] mkdir("./file0", 0777 [pid 3695] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3695] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3695] pipe2([3, 4], 0) = 0 [pid 3695] write(4, NULL, 21 [pid 3696] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3695] <... write resumed>) = -1 EFAULT (Bad address) [pid 3696] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3696] pipe2( [pid 3695] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 3696] <... pipe2 resumed>[3, 4], 0) = 0 [pid 3696] write(4, NULL, 21) = -1 EFAULT (Bad address) [pid 3696] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 3690] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3690] exit_group(0) = ? [pid 3690] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3690, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 3605] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 3605] close(3) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556772690) = 3697 ./strace-static-x86_64: Process 3697 attached [pid 3697] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3697] setpgid(0, 0) = 0 [pid 3697] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3697] write(3, "1000", 4) = 4 [pid 3697] close(3) = 0 [pid 3697] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3697] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3697] pipe2([3, 4], 0) = 0 [pid 3697] write(4, NULL, 21) = -1 EFAULT (Bad address) [pid 3697] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 3692] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3692] exit_group(0) = ? [pid 3692] +++ exited with 0 +++ [pid 3606] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3692, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3606] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 3606] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 3606] close(3) = 0 [pid 3606] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556772690) = 3698 ./strace-static-x86_64: Process 3698 attached [pid 3694] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3698] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3694] exit_group(0 [pid 3698] <... prctl resumed>) = 0 [pid 3694] <... exit_group resumed>) = ? [pid 3698] setpgid(0, 0 [pid 3694] +++ exited with 0 +++ [pid 3698] <... setpgid resumed>) = 0 [pid 3698] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3698] write(3, "1000", 4) = 4 [pid 3698] close(3) = 0 [pid 3698] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3698] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3698] pipe2([3, 4], 0) = 0 [pid 3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3694, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3698] write(4, NULL, 21 [pid 3609] restart_syscall(<... resuming interrupted clone ...> [pid 3698] <... write resumed>) = -1 EFAULT (Bad address) [pid 3609] <... restart_syscall resumed>) = 0 [pid 3698] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 3609] openat(AT_FDCWD, "/dev/loop5", 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 [pid 3693] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3693] exit_group(0 [pid 3609] <... clone resumed>, child_tidptr=0x555556772690) = 3699 [pid 3693] <... exit_group resumed>) = ? [pid 3693] +++ exited with 0 +++ [pid 3607] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3693, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3607] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 3607] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 3607] close(3) = 0 [pid 3607] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556772690) = 3700 ./strace-static-x86_64: Process 3700 attached [pid 3700] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3700] setpgid(0, 0) = 0 [pid 3700] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3700] write(3, "1000", 4) = 4 [pid 3700] close(3) = 0 [pid 3700] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3700] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3700] pipe2([3, 4], 0) = 0 [pid 3700] write(4, NULL, 21) = -1 EFAULT (Bad address) [pid 3700] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,"./strace-static-x86_64: Process 3699 attached [pid 3699] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3699] setpgid(0, 0) = 0 [pid 3699] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3699] write(3, "1000", 4) = 4 [pid 3699] close(3) = 0 [pid 3699] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3699] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3699] pipe2([3, 4], 0) = 0 [pid 3699] write(4, NULL, 21) = -1 EFAULT (Bad address) [pid 3699] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 3695] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3695] exit_group(0) = ? [pid 3695] +++ exited with 0 +++ [pid 3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3695, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3608] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 3608] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 3608] close(3) = 0 [pid 3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3701 attached , child_tidptr=0x555556772690) = 3701 [pid 3701] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3701] setpgid(0, 0) = 0 [pid 3701] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3701] write(3, "1000", 4) = 4 [pid 3701] close(3) = 0 [pid 3701] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3701] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3701] pipe2([3, 4], 0) = 0 [pid 3701] write(4, NULL, 21) = -1 EFAULT (Bad address) [pid 3701] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 3696] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3696] exit_group(0) = ? [pid 3696] +++ exited with 0 +++ [pid 3604] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3696, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3604] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 3604] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 3604] close(3) = 0 [pid 3604] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556772690) = 3702 ./strace-static-x86_64: Process 3702 attached [pid 3702] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3702] setpgid(0, 0) = 0 [pid 3702] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3697] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3697] exit_group(0) = ? [pid 3697] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3697, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 3702] write(3, "1000", 4) = 4 [pid 3702] close(3 [pid 3605] <... openat resumed>) = 3 [pid 3702] <... close resumed>) = 0 [pid 3605] ioctl(3, LOOP_CLR_FD [pid 3702] mkdir("./file0", 0777 [pid 3605] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3702] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3702] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3605] close(3 [pid 3702] pipe2([3, 4], 0) = 0 [pid 3702] write(4, NULL, 21 [pid 3605] <... close resumed>) = 0 [pid 3702] <... write resumed>) = -1 EFAULT (Bad address) [pid 3702] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556772690) = 3703 [pid 3698] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3698] exit_group(0) = ? [pid 3698] +++ exited with 0 +++ [pid 3606] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3698, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3606] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 3703 attached ) = 0 [pid 3606] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 3703] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3606] <... openat resumed>) = 3 [pid 3703] <... prctl resumed>) = 0 [pid 3606] ioctl(3, LOOP_CLR_FD [pid 3703] setpgid(0, 0 [pid 3606] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3606] close(3 [pid 3703] <... setpgid resumed>) = 0 [pid 3703] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3606] <... close resumed>) = 0 [pid 3606] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556772690) = 3704 [pid 3703] write(3, "1000", 4) = 4 [pid 3703] close(3) = 0 [pid 3703] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3703] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3703] pipe2([3, 4], 0) = 0 [pid 3703] write(4, NULL, 21) = -1 EFAULT (Bad address) ./strace-static-x86_64: Process 3704 attached [pid 3703] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 3704] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3704] setpgid(0, 0 [pid 3699] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3699] exit_group(0) = ? [pid 3699] +++ exited with 0 +++ [pid 3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3699, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3704] <... setpgid resumed>) = 0 [pid 3609] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 3704] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3609] <... openat resumed>) = 3 [pid 3704] <... openat resumed>) = 3 [pid 3609] ioctl(3, LOOP_CLR_FD [pid 3704] write(3, "1000", 4 [pid 3609] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3704] <... write resumed>) = 4 [pid 3609] close(3 [pid 3704] close(3 [pid 3609] <... close resumed>) = 0 [pid 3704] <... close resumed>) = 0 [pid 3609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3704] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3704] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3609] <... clone resumed>, child_tidptr=0x555556772690) = 3705 [pid 3704] pipe2([3, 4], 0) = 0 ./strace-static-x86_64: Process 3705 attached [pid 3704] write(4, NULL, 21) = -1 EFAULT (Bad address) [pid 3704] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 3705] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3705] setpgid(0, 0) = 0 [pid 3705] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3705] write(3, "1000", 4) = 4 [pid 3705] close(3) = 0 [pid 3705] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3705] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3705] pipe2( [pid 3700] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3705] <... pipe2 resumed>[3, 4], 0) = 0 [pid 3705] write(4, NULL, 21) = -1 EFAULT (Bad address) [pid 3700] exit_group(0 [pid 3705] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 3700] <... exit_group resumed>) = ? [pid 3700] +++ exited with 0 +++ [pid 3607] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3700, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3607] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3607] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 3607] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 3607] close(3) = 0 [pid 3607] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556772690) = 3706 ./strace-static-x86_64: Process 3706 attached [pid 3706] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3706] setpgid(0, 0) = 0 [pid 3706] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3706] write(3, "1000", 4) = 4 [pid 3706] close(3) = 0 [pid 3706] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3706] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3706] pipe2([3, 4], 0) = 0 [pid 3706] write(4, NULL, 21) = -1 EFAULT (Bad address) [pid 3706] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 3701] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3701] exit_group(0) = ? [pid 3701] +++ exited with 0 +++ [pid 3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3701, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3608] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3608] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 3608] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 3608] close(3) = 0 [pid 3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3707 attached , child_tidptr=0x555556772690) = 3707 [pid 3707] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3707] setpgid(0, 0) = 0 [pid 3707] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3707] write(3, "1000", 4) = 4 [pid 3707] close(3) = 0 [pid 3707] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3707] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3707] pipe2([3, 4], 0) = 0 [pid 3707] write(4, NULL, 21) = -1 EFAULT (Bad address) [pid 3707] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 3706] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3706] exit_group(0) = ? [pid 3706] +++ exited with 0 +++ [pid 3607] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3706, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3607] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3607] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 3607] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 3607] close(3 [pid 3702] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3607] <... close resumed>) = 0 [pid 3607] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556772690) = 3708 [pid 3702] exit_group(0./strace-static-x86_64: Process 3708 attached ) = ? [pid 3708] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3702] +++ exited with 0 +++ [pid 3708] <... prctl resumed>) = 0 [pid 3708] setpgid(0, 0) = 0 [pid 3708] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3604] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3702, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3708] <... openat resumed>) = 3 [pid 3708] write(3, "1000", 4) = 4 [pid 3708] close(3) = 0 [pid 3708] mkdir("./file0", 0777 [pid 3604] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 3708] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3708] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3708] pipe2( [pid 3604] <... openat resumed>) = 3 [pid 3708] <... pipe2 resumed>[3, 4], 0) = 0 [pid 3604] ioctl(3, LOOP_CLR_FD [pid 3708] write(4, NULL, 21) = -1 EFAULT (Bad address) [pid 3604] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3708] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 3604] close(3) = 0 [pid 3604] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3709 attached , child_tidptr=0x555556772690) = 3709 [pid 3709] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3709] setpgid(0, 0 [pid 3704] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3709] <... setpgid resumed>) = 0 [pid 3709] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3709] write(3, "1000", 4) = 4 [pid 3709] close(3) = 0 [pid 3709] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3709] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3709] pipe2([3, 4], 0) = 0 [pid 3709] write(4, NULL, 21) = -1 EFAULT (Bad address) [pid 3709] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 3704] exit_group(0) = ? [pid 3704] +++ exited with 0 +++ [pid 3606] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3704, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3606] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 3606] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 3606] close(3) = 0 [pid 3606] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556772690) = 3710 ./strace-static-x86_64: Process 3710 attached [pid 3710] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3710] setpgid(0, 0) = 0 [pid 3710] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3710] write(3, "1000", 4) = 4 [pid 3710] close(3) = 0 [pid 3710] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3710] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3710] pipe2([3, 4], 0) = 0 [pid 3710] write(4, NULL, 21) = -1 EFAULT (Bad address) [pid 3710] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 3703] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3703] exit_group(0) = ? [pid 3703] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3703, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 3605] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 3605] close(3) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556772690) = 3711 ./strace-static-x86_64: Process 3711 attached [pid 3711] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3711] setpgid(0, 0) = 0 [pid 3711] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3711] write(3, "1000", 4) = 4 [pid 3711] close(3) = 0 [pid 3711] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3711] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3711] pipe2([3, 4], 0) = 0 [pid 3711] write(4, NULL, 21) = -1 EFAULT (Bad address) [pid 3711] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 3705] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3705] exit_group(0) = ? [pid 3705] +++ exited with 0 +++ [pid 3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3705, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3609] openat(AT_FDCWD, "/dev/loop5", 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=0x555556772690) = 3712 ./strace-static-x86_64: Process 3712 attached [pid 3712] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3712] setpgid(0, 0) = 0 [pid 3712] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3712] write(3, "1000", 4) = 4 [pid 3712] close(3) = 0 [pid 3712] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3712] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3712] pipe2([3, 4], 0) = 0 [pid 3712] write(4, NULL, 21) = -1 EFAULT (Bad address) [pid 3712] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 3711] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3711] exit_group(0) = ? [pid 3711] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3711, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3605] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 3605] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 3605] close(3) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556772690) = 3713 ./strace-static-x86_64: Process 3713 attached [pid 3713] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3713] setpgid(0, 0) = 0 [pid 3713] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3713] write(3, "1000", 4) = 4 [pid 3713] close(3) = 0 [pid 3713] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3713] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3713] pipe2([3, 4], 0) = 0 [pid 3713] write(4, NULL, 21) = -1 EFAULT (Bad address) [pid 3713] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 3708] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3708] exit_group(0) = ? [pid 3708] +++ exited with 0 +++ [pid 3607] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3708, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3607] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 3607] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 3607] close(3) = 0 [pid 3607] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556772690) = 3714 ./strace-static-x86_64: Process 3714 attached [pid 3714] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3714] setpgid(0, 0) = 0 [pid 3714] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3714] write(3, "1000", 4) = 4 [pid 3714] close(3) = 0 [pid 3714] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3714] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3714] pipe2([3, 4], 0) = 0 [pid 3714] write(4, NULL, 21) = -1 EFAULT (Bad address) [pid 3714] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 3707] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3707] exit_group(0) = ? [pid 3707] +++ exited with 0 +++ [pid 3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3707, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3608] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 3608] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 3608] close(3) = 0 [pid 3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556772690) = 3715 ./strace-static-x86_64: Process 3715 attached [pid 3715] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3715] setpgid(0, 0) = 0 [pid 3715] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3715] write(3, "1000", 4) = 4 [pid 3715] close(3) = 0 [pid 3715] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3715] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3715] pipe2([3, 4], 0) = 0 [pid 3715] write(4, NULL, 21) = -1 EFAULT (Bad address) [pid 3715] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 3710] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3710] exit_group(0) = ? [pid 3710] +++ exited with 0 +++ [pid 3606] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3710, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3606] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 3606] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 3606] close(3) = 0 [pid 3606] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3716 attached , child_tidptr=0x555556772690) = 3716 [pid 3716] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3716] setpgid(0, 0) = 0 [pid 3716] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3716] write(3, "1000", 4) = 4 [pid 3716] close(3) = 0 [pid 3716] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3716] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3716] pipe2([3, 4], 0) = 0 [pid 3716] write(4, NULL, 21) = -1 EFAULT (Bad address) [pid 3716] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 3709] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3709] exit_group(0) = ? [pid 3709] +++ exited with 0 +++ [pid 3604] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3709, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3604] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 3604] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 3604] close(3) = 0 [pid 3604] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556772690) = 3717 ./strace-static-x86_64: Process 3717 attached [pid 3717] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3717] setpgid(0, 0) = 0 [pid 3717] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3717] write(3, "1000", 4) = 4 [pid 3717] close(3) = 0 [pid 3717] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3717] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3717] pipe2([3, 4], 0) = 0 [pid 3717] write(4, NULL, 21) = -1 EFAULT (Bad address) [pid 3717] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 3712] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3712] exit_group(0) = ? [pid 3712] +++ exited with 0 +++ [pid 3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3712, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3609] openat(AT_FDCWD, "/dev/loop5", 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=0x555556772690) = 3718 [pid 3714] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3714] exit_group(0) = ? ./strace-static-x86_64: Process 3718 attached [pid 3714] +++ exited with 0 +++ [pid 3607] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3714, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3718] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3718] setpgid(0, 0) = 0 [pid 3718] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3607] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 3607] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 3607] close(3) = 0 [pid 3607] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3715] <... mount resumed>) = -1 EFAULT (Bad address) ./strace-static-x86_64: Process 3719 attached [pid 3607] <... clone resumed>, child_tidptr=0x555556772690) = 3719 [pid 3715] exit_group(0 [pid 3719] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3715] <... exit_group resumed>) = ? [pid 3718] write(3, "1000", 4) = 4 [pid 3719] <... prctl resumed>) = 0 [pid 3715] +++ exited with 0 +++ [pid 3713] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3715, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3608] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3608] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 3608] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 3608] close(3) = 0 [pid 3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556772690) = 3720 [pid 3719] setpgid(0, 0) = 0 [pid 3719] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3719] write(3, "1000", 4) = 4 [pid 3719] close(3) = 0 [pid 3719] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3719] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3719] pipe2([3, 4], 0) = 0 [pid 3719] write(4, NULL, 21) = -1 EFAULT (Bad address) [pid 3719] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 3718] close(3 [pid 3713] exit_group(0 [pid 3718] <... close resumed>) = 0 [pid 3713] <... exit_group resumed>) = ? [pid 3718] mkdir("./file0", 0777 [pid 3713] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3713, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- ./strace-static-x86_64: Process 3720 attached [pid 3718] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3718] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3718] pipe2([3, 4], 0) = 0 [pid 3718] write(4, NULL, 21) = -1 EFAULT (Bad address) [pid 3718] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 3605] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 3720] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3605] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 3720] <... prctl resumed>) = 0 [pid 3717] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3605] close(3 [pid 3720] setpgid(0, 0) = 0 [pid 3717] exit_group(0 [pid 3605] <... close resumed>) = 0 [pid 3720] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3717] <... exit_group resumed>) = ? [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556772690) = 3721 [pid 3720] <... openat resumed>) = 3 ./strace-static-x86_64: Process 3721 attached [pid 3720] write(3, "1000", 4) = 4 [pid 3720] close(3) = 0 [pid 3717] +++ exited with 0 +++ [pid 3720] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3604] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3717, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3720] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3604] restart_syscall(<... resuming interrupted clone ...> [pid 3720] pipe2([3, 4], 0) = 0 [pid 3720] write(4, NULL, 21 [pid 3604] <... restart_syscall resumed>) = 0 [pid 3720] <... write resumed>) = -1 EFAULT (Bad address) [pid 3720] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 3604] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 3604] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 3604] close(3) = 0 [pid 3604] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3721] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3604] <... clone resumed>, child_tidptr=0x555556772690) = 3722 [pid 3721] <... prctl resumed>) = 0 [pid 3721] setpgid(0, 0) = 0 [pid 3721] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 3722 attached [pid 3722] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3721] <... openat resumed>) = 3 [pid 3716] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3722] <... prctl resumed>) = 0 [pid 3721] write(3, "1000", 4 [pid 3716] exit_group(0 [pid 3722] setpgid(0, 0 [pid 3721] <... write resumed>) = 4 [pid 3716] <... exit_group resumed>) = ? [pid 3716] +++ exited with 0 +++ [pid 3606] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3716, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3606] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3606] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 3606] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 3606] close(3) = 0 [pid 3606] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3722] <... setpgid resumed>) = 0 [pid 3721] close(3 [pid 3606] <... clone resumed>, child_tidptr=0x555556772690) = 3723 ./strace-static-x86_64: Process 3723 attached [pid 3722] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3721] <... close resumed>) = 0 [pid 3722] <... openat resumed>) = 3 [pid 3721] mkdir("./file0", 0777 [pid 3722] write(3, "1000", 4 [pid 3721] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3722] <... write resumed>) = 4 [pid 3721] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3719] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3722] close(3 [pid 3721] pipe2( [pid 3722] <... close resumed>) = 0 [pid 3722] mkdir("./file0", 0777 [pid 3721] <... pipe2 resumed>[3, 4], 0) = 0 [pid 3719] exit_group(0) = ? [pid 3722] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3721] write(4, NULL, 21) = -1 EFAULT (Bad address) [pid 3722] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3721] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 3719] +++ exited with 0 +++ [pid 3722] pipe2( [pid 3607] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3719, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3722] <... pipe2 resumed>[3, 4], 0) = 0 [pid 3607] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3722] write(4, NULL, 21 [pid 3607] <... openat resumed>) = 3 [pid 3607] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 3607] close(3) = 0 [pid 3607] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3722] <... write resumed>) = -1 EFAULT (Bad address) [pid 3607] <... clone resumed>, child_tidptr=0x555556772690) = 3724 [pid 3723] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3722] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 3723] <... prctl resumed>) = 0 [pid 3723] setpgid(0, 0) = 0 [pid 3723] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3723] write(3, "1000", 4) = 4 [pid 3723] close(3) = 0 [pid 3723] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3723] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3723] pipe2([3, 4], 0) = 0 [pid 3723] write(4, NULL, 21) = -1 EFAULT (Bad address) [pid 3723] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,"./strace-static-x86_64: Process 3724 attached [pid 3724] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3724] setpgid(0, 0) = 0 [pid 3724] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3724] write(3, "1000", 4) = 4 [pid 3724] close(3) = 0 [pid 3724] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3724] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3724] pipe2([3, 4], 0) = 0 [pid 3724] write(4, NULL, 21) = -1 EFAULT (Bad address) [pid 3724] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 3720] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3720] exit_group(0) = ? [pid 3720] +++ exited with 0 +++ [pid 3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3720, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3608] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3608] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 3608] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 3608] close(3) = 0 [pid 3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556772690) = 3725 ./strace-static-x86_64: Process 3725 attached [pid 3725] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3725] setpgid(0, 0) = 0 [pid 3725] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3725] write(3, "1000", 4) = 4 [pid 3725] close(3) = 0 [pid 3725] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3725] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3725] pipe2([3, 4], 0) = 0 [pid 3725] write(4, NULL, 21) = -1 EFAULT (Bad address) [pid 3725] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 3718] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3718] exit_group(0) = ? [pid 3718] +++ exited with 0 +++ [pid 3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3718, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3609] openat(AT_FDCWD, "/dev/loop5", 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=0x555556772690) = 3727 ./strace-static-x86_64: Process 3727 attached [pid 3727] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3727] setpgid(0, 0) = 0 [pid 3727] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3727] write(3, "1000", 4) = 4 [pid 3727] close(3) = 0 [pid 3727] mkdir("./file0", 0777 [pid 3721] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3727] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3727] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3727] pipe2([3, 4], 0) = 0 [pid 3727] write(4, NULL, 21) = -1 EFAULT (Bad address) [pid 3727] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 3721] exit_group(0) = ? [pid 3721] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3721, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3605] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3605] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 3605] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 3605] close(3) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556772690) = 3728 ./strace-static-x86_64: Process 3728 attached [pid 3728] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3728] setpgid(0, 0) = 0 [pid 3728] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3728] write(3, "1000", 4) = 4 [pid 3728] close(3) = 0 [pid 3728] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3728] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3728] pipe2([3, 4], 0) = 0 [pid 3728] write(4, NULL, 21) = -1 EFAULT (Bad address) [pid 3728] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 3722] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3722] exit_group(0) = ? [pid 3722] +++ exited with 0 +++ [pid 3604] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3722, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3604] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3604] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 3604] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 3604] close(3) = 0 [pid 3604] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556772690) = 3729 ./strace-static-x86_64: Process 3729 attached [pid 3729] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3729] setpgid(0, 0) = 0 [pid 3729] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3725] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3729] write(3, "1000", 4) = 4 [pid 3729] close(3) = 0 [pid 3729] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3729] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3725] exit_group(0 [pid 3724] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3729] pipe2([3, 4], 0) = 0 [pid 3725] <... exit_group resumed>) = ? [pid 3729] write(4, NULL, 21 [pid 3725] +++ exited with 0 +++ [pid 3729] <... write resumed>) = -1 EFAULT (Bad address) [pid 3729] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 3608] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3725, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3608] restart_syscall(<... resuming interrupted clone ...> [pid 3724] exit_group(0 [pid 3608] <... restart_syscall resumed>) = 0 [pid 3724] <... exit_group resumed>) = ? [pid 3724] +++ exited with 0 +++ [pid 3608] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 3607] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3724, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3608] <... openat resumed>) = 3 [pid 3608] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 3607] restart_syscall(<... resuming interrupted clone ...> [pid 3608] close(3 [pid 3607] <... restart_syscall resumed>) = 0 [pid 3608] <... close resumed>) = 0 [pid 3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556772690) = 3730 [pid 3607] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 3607] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 3607] close(3) = 0 [pid 3607] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556772690) = 3731 ./strace-static-x86_64: Process 3730 attached [pid 3730] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3730] setpgid(0, 0) = 0 [pid 3730] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3730] write(3, "1000", 4) = 4 [pid 3730] close(3./strace-static-x86_64: Process 3731 attached [pid 3723] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3723] exit_group(0 [pid 3731] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3723] <... exit_group resumed>) = ? [pid 3731] <... prctl resumed>) = 0 [pid 3730] <... close resumed>) = 0 [pid 3731] setpgid(0, 0) = 0 [pid 3731] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3730] mkdir("./file0", 0777 [pid 3731] <... openat resumed>) = 3 [pid 3730] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3723] +++ exited with 0 +++ [pid 3731] write(3, "1000", 4 [pid 3730] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3606] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3723, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3731] <... write resumed>) = 4 [pid 3730] pipe2( [pid 3606] restart_syscall(<... resuming interrupted clone ...> [pid 3731] close(3 [pid 3730] <... pipe2 resumed>[3, 4], 0) = 0 [pid 3606] <... restart_syscall resumed>) = 0 [pid 3731] <... close resumed>) = 0 [pid 3730] write(4, NULL, 21 [pid 3731] mkdir("./file0", 0777 [pid 3730] <... write resumed>) = -1 EFAULT (Bad address) [pid 3731] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3730] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 3606] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 3731] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3606] <... openat resumed>) = 3 [pid 3731] pipe2( [pid 3606] ioctl(3, LOOP_CLR_FD [pid 3731] <... pipe2 resumed>[3, 4], 0) = 0 [pid 3606] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3731] write(4, NULL, 21 [pid 3606] close(3 [pid 3731] <... write resumed>) = -1 EFAULT (Bad address) [pid 3606] <... close resumed>) = 0 [pid 3731] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 3606] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556772690) = 3732 ./strace-static-x86_64: Process 3732 attached [pid 3732] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3732] setpgid(0, 0) = 0 [pid 3732] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3732] write(3, "1000", 4) = 4 [pid 3732] close(3) = 0 [pid 3732] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3732] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3732] pipe2([3, 4], 0) = 0 [pid 3732] write(4, NULL, 21) = -1 EFAULT (Bad address) [pid 3732] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 3727] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3727] exit_group(0) = ? [pid 3727] +++ exited with 0 +++ [pid 3609] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3727, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3609] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 3609] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 3609] close(3) = 0 [pid 3609] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3733 attached , child_tidptr=0x555556772690) = 3733 [pid 3733] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3733] setpgid(0, 0) = 0 [pid 3733] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3733] write(3, "1000", 4) = 4 [pid 3733] close(3) = 0 [pid 3733] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3733] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3733] pipe2([3, 4], 0) = 0 [pid 3733] write(4, NULL, 21) = -1 EFAULT (Bad address) [pid 3733] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004," [pid 3728] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3728] exit_group(0) = ? [pid 3728] +++ exited with 0 +++ [pid 3605] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3728, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3605] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 3729] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3605] <... openat resumed>) = 3 [pid 3729] exit_group(0) = ? [pid 3729] +++ exited with 0 +++ [pid 3605] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 3605] close(3) = 0 [pid 3605] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556772690) = 3734 syzkaller login: [ 45.167068][ T3730] ================================================================== [ 45.175171][ T3730] BUG: KASAN: use-after-free in __kernfs_remove+0xa09/0xb50 [ 45.182464][ T3730] Read of size 2 at addr ffff8881453adf18 by task syz-executor922/3730 [ 45.190706][ T3730] [ 45.193019][ T3730] CPU: 0 PID: 3730 Comm: syz-executor922 Not tainted 6.0.0-rc3-next-20220901-syzkaller #0 [ 45.202909][ T3730] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022 [ 45.212948][ T3730] Call Trace: [pid 3604] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3729, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3604] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3604] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 3604] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 3604] close(3) = 0 [pid 3604] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556772690) = 3735 ./strace-static-x86_64: Process 3734 attached [pid 3734] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3734] setpgid(0, 0) = 0 [pid 3734] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3734] write(3, "1000", 4) = 4 [pid 3734] close(3) = 0 [pid 3734] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3734] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3734] pipe2([3, 4], 0) = 0 [pid 3734] write(4, NULL, 21) = -1 EFAULT (Bad address) [pid 3734] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000003,wfdno=0x0000000000000004,"./strace-static-x86_64: Process 3735 attached [pid 3735] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3735] setpgid(0, 0) = 0 [pid 3735] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3735] write(3, "1000", 4) = 4 [pid 3735] close(3) = 0 [pid 3735] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3735] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3735] pipe2([3, 4], 0) = 0 [pid 3735] write(4, NULL, 21) = -1 EFAULT (Bad address) [ 45.216227][ T3730] [ 45.219175][ T3730] dump_stack_lvl+0xcd/0x134 [ 45.223790][ T3730] print_report.cold+0x2ba/0x719 [ 45.228753][ T3730] ? __kernfs_remove+0xa09/0xb50 [ 45.233718][ T3730] kasan_report+0xb1/0x1e0 [ 45.238150][ T3730] ? __kernfs_remove+0xa09/0xb50 [ 45.243109][ T3730] __kernfs_remove+0xa09/0xb50 [ 45.247864][ T3730] ? wait_for_completion_io_timeout+0x20/0x20 [ 45.253935][ T3730] ? lock_downgrade+0x6e0/0x6e0 [ 45.258806][ T3730] ? kernfs_next_descendant_post+0x2f0/0x2f0 [ 45.264809][ T3730] ? kernfs_name_hash+0xf1/0x120 [ 45.269782][ T3730] kernfs_remove_by_name_ns+0xa8/0x110 [ 45.275424][ T3730] sysfs_slab_add+0x13e/0x1e0 [ 45.280096][ T3730] __kmem_cache_create+0x542/0x6d0 [ 45.285463][ T3730] kmem_cache_create_usercopy+0x1f9/0x300 [ 45.291184][ T3730] p9_client_create+0xca5/0x1070 [ 45.296156][ T3730] ? p9_client_rpc+0xce0/0xce0 [ 45.300930][ T3730] ? lockdep_init_map_type+0x21a/0x7f0 [ 45.306385][ T3730] ? __kasan_kmalloc+0xa9/0xd0 [ 45.311178][ T3730] ? __raw_spin_lock_init+0x36/0x110 [ 45.316509][ T3730] v9fs_session_init+0x1e2/0x1810 [ 45.321551][ T3730] ? lock_acquire+0x480/0x570 [ 45.326234][ T3730] ? rcu_read_lock_sched_held+0xd/0x70 [ 45.331705][ T3730] ? lock_release+0x560/0x780 [ 45.336373][ T3730] ? __kmem_cache_alloc_node+0x48/0x3d0 [ 45.341927][ T3730] ? lock_downgrade+0x6e0/0x6e0 [ 45.346799][ T3730] ? v9fs_show_options+0x780/0x780 [ 45.351949][ T3730] ? __kmem_cache_alloc_node+0x1d8/0x3d0 [ 45.357598][ T3730] ? v9fs_mount+0x9b/0xc90 [ 45.362029][ T3730] v9fs_mount+0xba/0xc90 [ 45.366281][ T3730] ? __kmem_cache_alloc_node+0x1d8/0x3d0 [ 45.371931][ T3730] ? legacy_init_fs_context+0x40/0xe0 [ 45.377300][ T3730] ? v9fs_statfs+0x4d0/0x4d0 [ 45.381919][ T3730] ? apparmor_capable+0x1d8/0x460 [ 45.386968][ T3730] ? v9fs_statfs+0x4d0/0x4d0 [ 45.391549][ T3730] legacy_get_tree+0x105/0x220 [ 45.396322][ T3730] vfs_get_tree+0x89/0x2f0 [ 45.400737][ T3730] path_mount+0x1326/0x1e20 [ 45.405267][ T3730] ? kmem_cache_free+0xe7/0x5b0 [ 45.410142][ T3730] ? finish_automount+0x960/0x960 [ 45.415186][ T3730] ? putname+0xfe/0x140 [ 45.419357][ T3730] __x64_sys_mount+0x27f/0x300 [ 45.424162][ T3730] ? copy_mnt_ns+0xae0/0xae0 [ 45.428760][ T3730] ? _raw_spin_unlock_irq+0x2a/0x40 [ 45.433968][ T3730] ? ptrace_notify+0xfa/0x140 [ 45.438667][ T3730] do_syscall_64+0x35/0xb0 [ 45.443107][ T3730] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 45.449014][ T3730] RIP: 0033:0x7fbb0b477f59 [ 45.453415][ T3730] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 45.473118][ T3730] RSP: 002b:00007ffc77756cf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 45.481621][ T3730] RAX: ffffffffffffffda RBX: 00007ffc77756d30 RCX: 00007fbb0b477f59 [ 45.489608][ T3730] RDX: 0000000020000000 RSI: 0000000020000040 RDI: 0000000000000000 [ 45.497590][ T3730] RBP: 0000000000000000 R08: 0000000020000440 R09: 000000000000af42 [ 45.505568][ T3730] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000000f4240 [ 45.513527][ T3730] R13: 000000000000af42 R14: 00007ffc77756d1c R15: 00007ffc77756d20 [ 45.521492][ T3730] [ 45.524556][ T3730] [ 45.526870][ T3730] Allocated by task 3729: [ 45.531177][ T3730] kasan_save_stack+0x1e/0x40 [ 45.535853][ T3730] __kasan_slab_alloc+0x90/0xc0 [ 45.540706][ T3730] kmem_cache_alloc+0x2b7/0x3d0 [ 45.545549][ T3730] __kernfs_new_node+0xd4/0x8b0 [ 45.550398][ T3730] kernfs_create_dir_ns+0x9c/0x220 [ 45.555497][ T3730] sysfs_create_dir_ns+0x127/0x290 [ 45.560614][ T3730] kobject_add_internal+0x2c9/0x8f0 [ 45.565844][ T3730] kobject_init_and_add+0x101/0x160 [ 45.571033][ T3730] sysfs_slab_add+0x161/0x1e0 [ 45.575697][ T3730] __kmem_cache_create+0x542/0x6d0 [ 45.580799][ T3730] kmem_cache_create_usercopy+0x1f9/0x300 [ 45.586507][ T3730] p9_client_create+0xca5/0x1070 [ 45.591437][ T3730] v9fs_session_init+0x1e2/0x1810 [ 45.596459][ T3730] v9fs_mount+0xba/0xc90 [ 45.600715][ T3730] legacy_get_tree+0x105/0x220 [ 45.605495][ T3730] vfs_get_tree+0x89/0x2f0 [ 45.609925][ T3730] path_mount+0x1326/0x1e20 [ 45.614457][ T3730] __x64_sys_mount+0x27f/0x300 [ 45.619212][ T3730] do_syscall_64+0x35/0xb0 [ 45.623630][ T3730] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 45.629522][ T3730] [ 45.631847][ T3730] Freed by task 3730: [ 45.635810][ T3730] kasan_save_stack+0x1e/0x40 [ 45.640498][ T3730] kasan_set_track+0x21/0x30 [ 45.645084][ T3730] kasan_set_free_info+0x20/0x30 [ 45.650008][ T3730] ____kasan_slab_free+0x166/0x1c0 [ 45.655138][ T3730] slab_free_freelist_hook+0x8b/0x1c0 [ 45.660507][ T3730] kmem_cache_free+0xe7/0x5b0 [ 45.665205][ T3730] kernfs_put.part.0+0x2c4/0x540 [ 45.670188][ T3730] kernfs_put+0x42/0x50 [ 45.674353][ T3730] __kernfs_remove+0x7a6/0xb50 [ 45.679116][ T3730] kernfs_remove_by_name_ns+0xa8/0x110 [ 45.684576][ T3730] sysfs_slab_add+0x13e/0x1e0 [ 45.689261][ T3730] __kmem_cache_create+0x542/0x6d0 [ 45.694373][ T3730] kmem_cache_create_usercopy+0x1f9/0x300 [ 45.700095][ T3730] p9_client_create+0xca5/0x1070 [ 45.705057][ T3730] v9fs_session_init+0x1e2/0x1810 [ 45.710115][ T3730] v9fs_mount+0xba/0xc90 [ 45.714363][ T3730] legacy_get_tree+0x105/0x220 [ 45.719168][ T3730] vfs_get_tree+0x89/0x2f0 [ 45.723597][ T3730] path_mount+0x1326/0x1e20 [ 45.728094][ T3730] __x64_sys_mount+0x27f/0x300 [ 45.732845][ T3730] do_syscall_64+0x35/0xb0 [ 45.737264][ T3730] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 45.743193][ T3730] [ 45.745509][ T3730] The buggy address belongs to the object at ffff8881453ade80 [ 45.745509][ T3730] which belongs to the cache kernfs_node_cache of size 168 [ 45.760096][ T3730] The buggy address is located 152 bytes inside of [ 45.760096][ T3730] 168-byte region [ffff8881453ade80, ffff8881453adf28) [ 45.773379][ T3730] [ 45.775693][ T3730] The buggy address belongs to the physical page: [ 45.782084][ T3730] page:ffffea000514eb40 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1453ad [ 45.792308][ T3730] flags: 0x57ff00000000200(slab|node=1|zone=2|lastcpupid=0x7ff) [ 45.800032][ T3730] raw: 057ff00000000200 ffffea0005153ac0 dead000000000002 ffff8880119d4c80 [ 45.808620][ T3730] raw: 0000000000000000 0000000000110011 00000001ffffffff 0000000000000000 [ 45.817191][ T3730] page dumped because: kasan: bad access detected [ 45.823592][ T3730] page_owner tracks the page as allocated [ 45.829301][ T3730] page last allocated via order 0, migratetype Unmovable, gfp_mask 0x12cc0(GFP_KERNEL|__GFP_NOWARN|__GFP_NORETRY), pid 1, tgid 1 (swapper/0), ts 1969675898, free_ts 0 [ 45.845899][ T3730] get_page_from_freelist+0x109b/0x2ce0 [ 45.851451][ T3730] __alloc_pages+0x1c7/0x510 [ 45.856057][ T3730] alloc_page_interleave+0x1e/0x200 [ 45.861274][ T3730] alloc_pages+0x22f/0x270 [ 45.865690][ T3730] allocate_slab+0x228/0x370 [ 45.870291][ T3730] ___slab_alloc+0xad0/0x1440 [ 45.874963][ T3730] __slab_alloc.constprop.0+0x4d/0xa0 [ 45.880337][ T3730] kmem_cache_alloc+0x31c/0x3d0 [ 45.885209][ T3730] __kernfs_new_node+0xd4/0x8b0 [ 45.890089][ T3730] kernfs_new_node+0x93/0x120 [ 45.894781][ T3730] __kernfs_create_file+0x51/0x350 [ 45.899910][ T3730] sysfs_add_file_mode_ns+0x20f/0x3f0 [ 45.905318][ T3730] internal_create_group+0x322/0xb10 [ 45.910594][ T3730] param_sysfs_init+0x342/0x43b [ 45.915458][ T3730] do_one_initcall+0xfe/0x650 [ 45.920127][ T3730] kernel_init_freeable+0x6ff/0x788 [ 45.925315][ T3730] page_owner free stack trace missing [ 45.930673][ T3730] [ 45.932992][ T3730] Memory state around the buggy address: [ 45.938616][ T3730] ffff8881453ade00: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc [ 45.946694][ T3730] ffff8881453ade80: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 45.954771][ T3730] >ffff8881453adf00: fb fb fb fb fb fc fc fc fc fc fc fc fc fc fc fc [ 45.962825][ T3730] ^ [ 45.967666][ T3730] ffff8881453adf80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 45.975709][ T3730] ffff8881453ae000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 45.983752][ T3730] ================================================================== [ 45.992343][ T3730] Kernel panic - not syncing: panic_on_warn set ... [ 45.998946][ T3730] CPU: 1 PID: 3730 Comm: syz-executor922 Not tainted 6.0.0-rc3-next-20220901-syzkaller #0 [ 46.008838][ T3730] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022 [ 46.018919][ T3730] Call Trace: [ 46.022198][ T3730] [ 46.025133][ T3730] dump_stack_lvl+0xcd/0x134 [ 46.029735][ T3730] panic+0x2c8/0x622 [ 46.033651][ T3730] ? panic_print_sys_info.part.0+0x110/0x110 [ 46.039652][ T3730] ? preempt_schedule_common+0x59/0xc0 [ 46.045139][ T3730] ? preempt_schedule_thunk+0x16/0x18 [ 46.050549][ T3730] ? __kernfs_remove+0xa09/0xb50 [ 46.055490][ T3730] end_report.part.0+0x3f/0x7c [ 46.060257][ T3730] kasan_report.cold+0xa/0xf [ 46.064848][ T3730] ? __kernfs_remove+0xa09/0xb50 [ 46.069803][ T3730] __kernfs_remove+0xa09/0xb50 [ 46.074572][ T3730] ? wait_for_completion_io_timeout+0x20/0x20 [ 46.080666][ T3730] ? lock_downgrade+0x6e0/0x6e0 [ 46.085527][ T3730] ? kernfs_next_descendant_post+0x2f0/0x2f0 [ 46.091510][ T3730] ? kernfs_name_hash+0xf1/0x120 [ 46.096467][ T3730] kernfs_remove_by_name_ns+0xa8/0x110 [ 46.101931][ T3730] sysfs_slab_add+0x13e/0x1e0 [ 46.106619][ T3730] __kmem_cache_create+0x542/0x6d0 [ 46.111749][ T3730] kmem_cache_create_usercopy+0x1f9/0x300 [ 46.117478][ T3730] p9_client_create+0xca5/0x1070 [ 46.122430][ T3730] ? p9_client_rpc+0xce0/0xce0 [ 46.127203][ T3730] ? lockdep_init_map_type+0x21a/0x7f0 [ 46.132671][ T3730] ? __kasan_kmalloc+0xa9/0xd0 [ 46.137448][ T3730] ? __raw_spin_lock_init+0x36/0x110 [ 46.142744][ T3730] v9fs_session_init+0x1e2/0x1810 [ 46.147796][ T3730] ? lock_acquire+0x480/0x570 [ 46.152509][ T3730] ? rcu_read_lock_sched_held+0xd/0x70 [ 46.158058][ T3730] ? lock_release+0x560/0x780 [ 46.162749][ T3730] ? __kmem_cache_alloc_node+0x48/0x3d0 [ 46.168302][ T3730] ? lock_downgrade+0x6e0/0x6e0 [ 46.173159][ T3730] ? v9fs_show_options+0x780/0x780 [ 46.178289][ T3730] ? __kmem_cache_alloc_node+0x1d8/0x3d0 [ 46.183927][ T3730] ? v9fs_mount+0x9b/0xc90 [ 46.188359][ T3730] v9fs_mount+0xba/0xc90 [ 46.192608][ T3730] ? __kmem_cache_alloc_node+0x1d8/0x3d0 [ 46.198256][ T3730] ? legacy_init_fs_context+0x40/0xe0 [ 46.203635][ T3730] ? v9fs_statfs+0x4d0/0x4d0 [ 46.208234][ T3730] ? apparmor_capable+0x1d8/0x460 [ 46.213269][ T3730] ? v9fs_statfs+0x4d0/0x4d0 [ 46.217951][ T3730] legacy_get_tree+0x105/0x220 [ 46.222718][ T3730] vfs_get_tree+0x89/0x2f0 [ 46.227133][ T3730] path_mount+0x1326/0x1e20 [ 46.231641][ T3730] ? kmem_cache_free+0xe7/0x5b0 [ 46.236501][ T3730] ? finish_automount+0x960/0x960 [ 46.241527][ T3730] ? putname+0xfe/0x140 [ 46.245685][ T3730] __x64_sys_mount+0x27f/0x300 [ 46.250454][ T3730] ? copy_mnt_ns+0xae0/0xae0 [ 46.255042][ T3730] ? _raw_spin_unlock_irq+0x2a/0x40 [ 46.260255][ T3730] ? ptrace_notify+0xfa/0x140 [ 46.264941][ T3730] do_syscall_64+0x35/0xb0 [ 46.269371][ T3730] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 46.275268][ T3730] RIP: 0033:0x7fbb0b477f59 [ 46.279683][ T3730] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 46.299291][ T3730] RSP: 002b:00007ffc77756cf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 46.307716][ T3730] RAX: ffffffffffffffda RBX: 00007ffc77756d30 RCX: 00007fbb0b477f59 [ 46.315686][ T3730] RDX: 0000000020000000 RSI: 0000000020000040 RDI: 0000000000000000 [ 46.323665][ T3730] RBP: 0000000000000000 R08: 0000000020000440 R09: 000000000000af42 [ 46.331638][ T3730] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000000f4240 [ 46.339614][ T3730] R13: 000000000000af42 R14: 00007ffc77756d1c R15: 00007ffc77756d20 [ 46.347602][ T3730] [ 46.350677][ T3730] Kernel Offset: disabled [ 46.354997][ T3730] Rebooting in 86400 seconds..