./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3113896604 <...> DUID 00:04:9f:e8:07:f9:ba:36:1f:d4:05:68:5a:d1:6a:7f:90:cd forked to background, child pid 3185 [ 25.764213][ T3186] 8021q: adding VLAN 0 to HW filter on device bond0 [ 25.773218][ T3186] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.0.41' (ECDSA) to the list of known hosts. execve("./syz-executor3113896604", ["./syz-executor3113896604"], 0x7ffee431fd70 /* 10 vars */) = 0 brk(NULL) = 0x555556dcb000 brk(0x555556dcbd00) = 0x555556dcbd00 arch_prctl(ARCH_SET_FS, 0x555556dcb3c0) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor3113896604", 4096) = 28 brk(0x555556decd00) = 0x555556decd00 brk(0x555556ded000) = 0x555556ded000 mprotect(0x7fc966362000, 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=0x7fc9662b30a0, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7fc9662b3ce0}, NULL, 8) = 0 rt_sigaction(SIGBUS, {sa_handler=0x7fc9662b30a0, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7fc9662b3ce0}, NULL, 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3615 attached , child_tidptr=0x555556dcb690) = 3615 [pid 3614] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3615] openat(AT_FDCWD, "/dev/loop0", O_RDWR./strace-static-x86_64: Process 3616 attached [pid 3614] <... clone resumed>, child_tidptr=0x555556dcb690) = 3616 [pid 3614] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3615] <... openat resumed>) = 3 [pid 3615] ioctl(3, LOOP_CLR_FD [pid 3614] <... clone resumed>, child_tidptr=0x555556dcb690) = 3617 [pid 3614] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556dcb690) = 3618 [pid 3614] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3617 attached [pid 3616] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 3614] <... clone resumed>, child_tidptr=0x555556dcb690) = 3619 [pid 3614] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556dcb690) = 3620 [pid 3616] <... openat resumed>) = 3 [pid 3615] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3615] close(3./strace-static-x86_64: Process 3620 attached ./strace-static-x86_64: Process 3619 attached ./strace-static-x86_64: Process 3618 attached [pid 3617] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 3616] ioctl(3, LOOP_CLR_FD [pid 3615] <... close resumed>) = 0 [pid 3619] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 3618] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3617] <... openat resumed>) = 3 [pid 3616] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3619] <... openat resumed>) = 3 [pid 3618] <... openat resumed>) = 3 [pid 3617] ioctl(3, LOOP_CLR_FD [pid 3616] close(3 [pid 3619] ioctl(3, LOOP_CLR_FD [pid 3618] ioctl(3, LOOP_CLR_FD [pid 3617] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3616] <... close resumed>) = 0 [pid 3619] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3618] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3617] close(3 [pid 3616] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3620] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 3619] close(3 [pid 3618] close(3 [pid 3617] <... close resumed>) = 0 [pid 3620] <... openat resumed>) = 3 [pid 3619] <... close resumed>) = 0 [pid 3618] <... close resumed>) = 0 [pid 3617] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3616] <... clone resumed>, child_tidptr=0x555556dcb690) = 3621 [pid 3620] ioctl(3, LOOP_CLR_FD [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3618] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3621 attached [pid 3620] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 3617] <... clone resumed>, child_tidptr=0x555556dcb690) = 3623 [pid 3621] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3620] close(3 [pid 3619] <... clone resumed>, child_tidptr=0x555556dcb690) = 3625 [pid 3618] <... clone resumed>, child_tidptr=0x555556dcb690) = 3624 [pid 3615] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3623 attached [pid 3621] <... prctl resumed>) = 0 [pid 3620] <... close resumed>) = 0 [pid 3623] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3621] setpgid(0, 0 [pid 3620] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3623] <... prctl resumed>) = 0 [pid 3621] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 3624 attached [pid 3623] setpgid(0, 0 [pid 3621] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3615] <... clone resumed>, child_tidptr=0x555556dcb690) = 3626 [pid 3623] <... setpgid resumed>) = 0 [pid 3621] <... openat resumed>) = 3 [pid 3620] <... clone resumed>, child_tidptr=0x555556dcb690) = 3627 ./strace-static-x86_64: Process 3625 attached [pid 3624] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3623] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3621] write(3, "1000", 4 [pid 3625] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3624] <... prctl resumed>) = 0 [pid 3623] <... openat resumed>) = 3 [pid 3621] <... write resumed>) = 4 ./strace-static-x86_64: Process 3627 attached [pid 3625] <... prctl resumed>) = 0 [pid 3624] setpgid(0, 0 [pid 3623] write(3, "1000", 4 [pid 3621] close(3 [pid 3627] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3625] setpgid(0, 0 [pid 3624] <... setpgid resumed>) = 0 [pid 3623] <... write resumed>) = 4 [pid 3621] <... close resumed>) = 0 ./strace-static-x86_64: Process 3626 attached [pid 3627] <... prctl resumed>) = 0 [pid 3625] <... setpgid resumed>) = 0 [pid 3624] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3623] close(3 [pid 3621] memfd_create("syzkaller", 0 [pid 3627] setpgid(0, 0 [pid 3625] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3624] <... openat resumed>) = 3 [pid 3626] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3623] <... close resumed>) = 0 [pid 3621] <... memfd_create resumed>) = 3 [pid 3627] <... setpgid resumed>) = 0 [pid 3626] <... prctl resumed>) = 0 [pid 3625] <... openat resumed>) = 3 [pid 3624] write(3, "1000", 4 [pid 3623] memfd_create("syzkaller", 0 [pid 3621] ftruncate(3, 0 [pid 3627] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3626] setpgid(0, 0 [pid 3625] write(3, "1000", 4 [pid 3624] <... write resumed>) = 4 [pid 3623] <... memfd_create resumed>) = 3 [pid 3621] <... ftruncate resumed>) = 0 [pid 3627] <... openat resumed>) = 3 [pid 3626] <... setpgid resumed>) = 0 [pid 3625] <... write resumed>) = 4 [pid 3624] close(3 [pid 3623] ftruncate(3, 0 [pid 3621] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 3627] write(3, "1000", 4 [pid 3626] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3625] close(3 [pid 3624] <... close resumed>) = 0 [pid 3623] <... ftruncate resumed>) = 0 [pid 3621] <... openat resumed>) = 4 [pid 3627] <... write resumed>) = 4 [pid 3626] <... openat resumed>) = 3 [pid 3625] <... close resumed>) = 0 [pid 3624] memfd_create("syzkaller", 0 [pid 3623] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 3621] ioctl(4, LOOP_SET_FD, 3 [pid 3627] close(3 [pid 3626] write(3, "1000", 4 [pid 3625] memfd_create("syzkaller", 0 [pid 3624] <... memfd_create resumed>) = 3 [pid 3623] <... openat resumed>) = 4 [pid 3627] <... close resumed>) = 0 [pid 3626] <... write resumed>) = 4 [pid 3625] <... memfd_create resumed>) = 3 [pid 3624] ftruncate(3, 0 [pid 3623] ioctl(4, LOOP_SET_FD, 3 [pid 3621] <... ioctl resumed>) = 0 [pid 3627] memfd_create("syzkaller", 0 [pid 3626] close(3 [pid 3625] ftruncate(3, 0 [pid 3624] <... ftruncate resumed>) = 0 [pid 3623] <... ioctl resumed>) = 0 [pid 3621] mkdir("./file0", 0777 [pid 3627] <... memfd_create resumed>) = 3 [pid 3626] <... close resumed>) = 0 [pid 3625] <... ftruncate resumed>) = 0 [pid 3624] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3623] mkdir("./file0", 0777 [pid 3625] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 3627] ftruncate(3, 0 [pid 3626] memfd_create("syzkaller", 0 [pid 3625] <... openat resumed>) = 4 [pid 3624] <... openat resumed>) = 4 [pid 3623] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3621] <... mkdir resumed>) = 0 [pid 3627] <... ftruncate resumed>) = 0 [pid 3626] <... memfd_create resumed>) = 3 [pid 3625] ioctl(4, LOOP_SET_FD, 3 [pid 3624] ioctl(4, LOOP_SET_FD, 3 [pid 3623] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3621] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3627] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 3626] ftruncate(3, 0 [pid 3625] <... ioctl resumed>) = 0 [pid 3624] <... ioctl resumed>) = 0 [pid 3623] pipe2( [pid 3621] pipe2( [pid 3627] <... openat resumed>) = 4 [pid 3626] <... ftruncate resumed>) = 0 [pid 3625] mkdir("./file0", 0777 [pid 3624] mkdir("./file0", 0777 [pid 3623] <... pipe2 resumed>[5, 6], 0) = 0 [pid 3621] <... pipe2 resumed>[5, 6], 0) = 0 [pid 3627] ioctl(4, LOOP_SET_FD, 3 [pid 3626] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 3625] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3624] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3623] dup(6 [pid 3621] dup(6 [pid 3627] <... ioctl resumed>) = 0 [pid 3626] <... openat resumed>) = 4 [pid 3625] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3624] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3623] <... dup resumed>) = 7 [pid 3621] <... dup resumed>) = 7 [pid 3627] mkdir("./file0", 0777 [pid 3626] ioctl(4, LOOP_SET_FD, 3 [pid 3625] pipe2( [pid 3624] pipe2( [pid 3623] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000005,wfdno=0x0000000000000007," [pid 3621] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000005,wfdno=0x0000000000000007," [pid 3627] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3626] <... ioctl resumed>) = 0 [pid 3625] <... pipe2 resumed>[5, 6], 0) = 0 [pid 3624] <... pipe2 resumed>[5, 6], 0) = 0 [pid 3625] dup(6) = 7 [pid 3627] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3626] mkdir("./file0", 0777 [pid 3625] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000005,wfdno=0x0000000000000007," [pid 3624] dup(6 [pid 3627] pipe2( [pid 3626] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3624] <... dup resumed>) = 7 [pid 3627] <... pipe2 resumed>[5, 6], 0) = 0 [pid 3626] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3624] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000005,wfdno=0x0000000000000007," [pid 3627] dup(6 [pid 3626] pipe2( [pid 3627] <... dup resumed>) = 7 [pid 3626] <... pipe2 resumed>[5, 6], 0) = 0 [pid 3627] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000005,wfdno=0x0000000000000007," [pid 3626] dup(6) = 7 [pid 3626] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000005,wfdno=0x0000000000000007," [pid 3623] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3623] exit_group(0) = ? [pid 3623] +++ exited with 0 +++ [pid 3617] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3623, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3617] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3617] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 3617] ioctl(3, LOOP_CLR_FD [pid 3625] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3625] exit_group(0) = ? [pid 3625] +++ exited with 0 +++ [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3625, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3619] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 3619] ioctl(3, LOOP_CLR_FD [pid 3617] <... ioctl resumed>) = 0 [pid 3617] close(3) = 0 [pid 3617] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556dcb690) = 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] memfd_create("syzkaller", 0 [pid 3621] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3629] <... memfd_create resumed>) = 3 [pid 3629] ftruncate(3, 0 [pid 3621] exit_group(0 [pid 3629] <... ftruncate resumed>) = 0 [pid 3621] <... exit_group resumed>) = ? [pid 3619] <... ioctl resumed>) = 0 [pid 3629] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 3619] close(3 [pid 3629] <... openat resumed>) = 4 [pid 3621] +++ exited with 0 +++ [pid 3619] <... close resumed>) = 0 [pid 3629] ioctl(4, LOOP_SET_FD, 3 [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3629] <... ioctl resumed>) = 0 [pid 3616] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3621, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3629] mkdir("./file0", 0777 [pid 3619] <... clone resumed>, child_tidptr=0x555556dcb690) = 3630 [pid 3616] restart_syscall(<... resuming interrupted clone ...> [pid 3629] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3616] <... restart_syscall resumed>) = 0 [pid 3629] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3629] pipe2([5, 6], 0) = 0 [pid 3616] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 3629] dup(6 [pid 3616] <... openat resumed>) = 3 [pid 3629] <... dup resumed>) = 7 [pid 3616] ioctl(3, LOOP_CLR_FD [pid 3629] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000005,wfdno=0x0000000000000007,"./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] memfd_create("syzkaller", 0) = 3 [pid 3630] ftruncate(3, 0) = 0 [pid 3630] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 3630] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3624] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3630] mkdir("./file0", 0777 [pid 3624] exit_group(0 [pid 3630] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3624] <... exit_group resumed>) = ? [pid 3630] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3630] pipe2( [pid 3624] +++ exited with 0 +++ [pid 3630] <... pipe2 resumed>[5, 6], 0) = 0 [pid 3630] dup(6 [pid 3618] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3624, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3630] <... dup resumed>) = 7 [pid 3618] restart_syscall(<... resuming interrupted clone ...> [pid 3630] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000005,wfdno=0x0000000000000007," [pid 3618] <... restart_syscall resumed>) = 0 [pid 3618] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 3618] ioctl(3, LOOP_CLR_FD [pid 3616] <... ioctl resumed>) = 0 [pid 3616] close(3) = 0 [pid 3616] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556dcb690) = 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] memfd_create("syzkaller", 0) = 3 [pid 3631] ftruncate(3, 0) = 0 [pid 3631] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 3631] ioctl(4, LOOP_SET_FD, 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([5, 6], 0) = 0 [pid 3631] dup(6) = 7 [pid 3631] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000005,wfdno=0x0000000000000007," [pid 3618] <... ioctl resumed>) = 0 [pid 3618] close(3) = 0 [pid 3618] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556dcb690) = 3632 ./strace-static-x86_64: Process 3632 attached [pid 3632] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3627] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3632] <... prctl resumed>) = 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] memfd_create("syzkaller", 0) = 3 [pid 3627] exit_group(0 [pid 3632] ftruncate(3, 0 [pid 3627] <... exit_group resumed>) = ? [pid 3632] <... ftruncate resumed>) = 0 [pid 3632] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 3627] +++ exited with 0 +++ [pid 3632] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3620] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3627, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3632] mkdir("./file0", 0777 [pid 3620] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 3632] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3620] <... openat resumed>) = 3 [pid 3632] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3620] ioctl(3, LOOP_CLR_FD [pid 3632] pipe2([5, 6], 0) = 0 [pid 3632] dup(6) = 7 [pid 3632] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000005,wfdno=0x0000000000000007," [pid 3620] <... ioctl resumed>) = 0 [pid 3626] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3620] close(3) = 0 [pid 3620] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556dcb690) = 3634 [pid 3626] exit_group(0) = ? [pid 3626] +++ exited with 0 +++ [pid 3615] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3626, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- ./strace-static-x86_64: Process 3634 attached [pid 3615] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 3615] ioctl(3, LOOP_CLR_FD [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] memfd_create("syzkaller", 0) = 3 [pid 3634] ftruncate(3, 0) = 0 [pid 3615] <... ioctl resumed>) = 0 [pid 3634] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 3615] close(3 [pid 3634] <... openat resumed>) = 4 [pid 3615] <... close resumed>) = 0 [pid 3634] ioctl(4, LOOP_SET_FD, 3 [pid 3615] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556dcb690) = 3635 [pid 3634] <... ioctl resumed>) = 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([5, 6], 0) = 0 [pid 3634] dup(6) = 7 [pid 3634] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000005,wfdno=0x0000000000000007,"./strace-static-x86_64: Process 3635 attached [pid 3635] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3635] setpgid(0, 0) = 0 [pid 3630] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3635] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3630] exit_group(0 [pid 3635] write(3, "1000", 4 [pid 3630] <... exit_group resumed>) = ? [pid 3635] <... write resumed>) = 4 [pid 3635] close(3) = 0 [pid 3630] +++ exited with 0 +++ [pid 3635] memfd_create("syzkaller", 0) = 3 [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3630, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3635] ftruncate(3, 0 [pid 3619] restart_syscall(<... resuming interrupted clone ...> [pid 3635] <... ftruncate resumed>) = 0 [pid 3619] <... restart_syscall resumed>) = 0 [pid 3635] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 3635] ioctl(4, LOOP_SET_FD, 3 [pid 3619] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 3635] <... ioctl resumed>) = 0 [pid 3635] mkdir("./file0", 0777 [pid 3619] <... openat resumed>) = 3 [pid 3635] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3619] ioctl(3, LOOP_CLR_FD [pid 3635] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3635] pipe2([5, 6], 0) = 0 [pid 3635] dup(6) = 7 [pid 3635] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000005,wfdno=0x0000000000000007," [pid 3619] <... ioctl resumed>) = 0 [pid 3619] close(3) = 0 [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556dcb690) = 3636 [pid 3629] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3629] exit_group(0) = ? [pid 3629] +++ exited with 0 +++ ./strace-static-x86_64: Process 3636 attached [pid 3617] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3629, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3636] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3636] setpgid(0, 0 [pid 3617] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 3636] <... setpgid resumed>) = 0 [pid 3617] <... openat resumed>) = 3 [pid 3636] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3617] ioctl(3, LOOP_CLR_FD [pid 3636] <... openat resumed>) = 3 [pid 3636] write(3, "1000", 4) = 4 [pid 3636] close(3) = 0 [pid 3636] memfd_create("syzkaller", 0) = 3 [pid 3631] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3636] ftruncate(3, 0 [pid 3631] exit_group(0 [pid 3636] <... ftruncate resumed>) = 0 [pid 3631] <... exit_group resumed>) = ? [pid 3636] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 3636] ioctl(4, LOOP_SET_FD, 3 [pid 3631] +++ exited with 0 +++ [pid 3636] <... ioctl resumed>) = 0 [pid 3616] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3631, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [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([5, 6], 0) = 0 [pid 3636] dup(6) = 7 [pid 3616] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 3636] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000005,wfdno=0x0000000000000007," [pid 3616] <... openat resumed>) = 3 [pid 3616] ioctl(3, LOOP_CLR_FD [pid 3632] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3632] exit_group(0) = ? [pid 3632] +++ exited with 0 +++ [pid 3617] <... ioctl resumed>) = 0 [pid 3617] close(3 [pid 3618] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3632, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3617] <... close resumed>) = 0 [pid 3618] restart_syscall(<... resuming interrupted clone ...> [pid 3617] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3616] <... ioctl resumed>) = 0 [pid 3618] <... restart_syscall resumed>) = 0 [pid 3616] close(3 [pid 3617] <... clone resumed>, child_tidptr=0x555556dcb690) = 3638 [pid 3616] <... close resumed>) = 0 [pid 3616] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3618] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 3616] <... clone resumed>, child_tidptr=0x555556dcb690) = 3639 [pid 3618] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 3638 attached ./strace-static-x86_64: Process 3639 attached [pid 3638] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3639] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3638] <... prctl resumed>) = 0 [pid 3639] <... prctl resumed>) = 0 [pid 3638] setpgid(0, 0 [pid 3639] setpgid(0, 0 [pid 3638] <... setpgid resumed>) = 0 [pid 3639] <... setpgid resumed>) = 0 [pid 3638] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3639] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3638] <... openat resumed>) = 3 [pid 3639] <... openat resumed>) = 3 [pid 3638] write(3, "1000", 4 [pid 3639] write(3, "1000", 4 [pid 3638] <... write resumed>) = 4 [pid 3639] <... write resumed>) = 4 [pid 3638] close(3 [pid 3639] close(3 [pid 3638] <... close resumed>) = 0 [pid 3639] <... close resumed>) = 0 [pid 3638] memfd_create("syzkaller", 0 [pid 3639] memfd_create("syzkaller", 0 [pid 3638] <... memfd_create resumed>) = 3 [pid 3618] <... ioctl resumed>) = 0 [pid 3639] <... memfd_create resumed>) = 3 [pid 3638] ftruncate(3, 0 [pid 3618] close(3 [pid 3639] ftruncate(3, 0 [pid 3638] <... ftruncate resumed>) = 0 [pid 3618] <... close resumed>) = 0 [pid 3639] <... ftruncate resumed>) = 0 [pid 3638] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 3618] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3639] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 3638] <... openat resumed>) = 4 [pid 3639] <... openat resumed>) = 4 [pid 3638] ioctl(4, LOOP_SET_FD, 3 [pid 3618] <... clone resumed>, child_tidptr=0x555556dcb690) = 3640 [pid 3639] ioctl(4, LOOP_SET_FD, 3 [pid 3638] <... ioctl resumed>) = 0 [pid 3639] <... ioctl resumed>) = 0 [pid 3638] mkdir("./file0", 0777./strace-static-x86_64: Process 3640 attached [pid 3639] mkdir("./file0", 0777 [pid 3638] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3640] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3639] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3638] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3640] <... prctl resumed>) = 0 [pid 3639] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3638] pipe2( [pid 3640] setpgid(0, 0 [pid 3639] pipe2( [pid 3638] <... pipe2 resumed>[5, 6], 0) = 0 [pid 3640] <... setpgid resumed>) = 0 [pid 3639] <... pipe2 resumed>[5, 6], 0) = 0 [pid 3640] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3639] dup(6 [pid 3638] dup(6 [pid 3635] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3640] <... openat resumed>) = 3 [pid 3639] <... dup resumed>) = 7 [pid 3638] <... dup resumed>) = 7 [pid 3635] exit_group(0 [pid 3640] write(3, "1000", 4 [pid 3639] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000005,wfdno=0x0000000000000007," [pid 3638] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000005,wfdno=0x0000000000000007," [pid 3635] <... exit_group resumed>) = ? [pid 3640] <... write resumed>) = 4 [pid 3640] close(3 [pid 3635] +++ exited with 0 +++ [pid 3640] <... close resumed>) = 0 [pid 3640] memfd_create("syzkaller", 0 [pid 3615] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3635, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3640] <... memfd_create resumed>) = 3 [pid 3640] ftruncate(3, 0 [pid 3615] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 3640] <... ftruncate resumed>) = 0 [pid 3615] <... openat resumed>) = 3 [pid 3640] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3615] ioctl(3, LOOP_CLR_FD [pid 3640] <... openat resumed>) = 4 [pid 3640] ioctl(4, LOOP_SET_FD, 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([5, 6], 0) = 0 [pid 3640] dup(6) = 7 [pid 3640] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000005,wfdno=0x0000000000000007," [pid 3615] <... ioctl resumed>) = 0 [pid 3634] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3615] close(3 [pid 3634] exit_group(0 [pid 3615] <... close resumed>) = 0 [pid 3634] <... exit_group resumed>) = ? [pid 3615] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3634] +++ exited with 0 +++ [pid 3620] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3634, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3620] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3620] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 3620] ioctl(3, LOOP_CLR_FD [pid 3615] <... clone resumed>, child_tidptr=0x555556dcb690) = 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 3620] <... ioctl resumed>) = 0 [pid 3620] close(3 [pid 3643] memfd_create("syzkaller", 0 [pid 3620] <... close resumed>) = 0 [pid 3643] <... memfd_create resumed>) = 3 [pid 3620] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3643] ftruncate(3, 0 [pid 3620] <... clone resumed>, child_tidptr=0x555556dcb690) = 3644 [pid 3643] <... ftruncate resumed>) = 0 [pid 3643] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 3643] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 3644 attached ) = 0 [pid 3644] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3643] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 3644] <... prctl resumed>) = 0 [pid 3643] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3644] setpgid(0, 0 [pid 3643] pipe2( [pid 3644] <... setpgid resumed>) = 0 [pid 3643] <... pipe2 resumed>[5, 6], 0) = 0 [pid 3644] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3643] dup(6 [pid 3644] <... openat resumed>) = 3 [pid 3643] <... dup resumed>) = 7 [pid 3644] write(3, "1000", 4 [pid 3643] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000005,wfdno=0x0000000000000007," [pid 3636] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3636] exit_group(0 [pid 3644] <... write resumed>) = 4 [pid 3644] close(3 [pid 3636] <... exit_group resumed>) = ? [pid 3644] <... close resumed>) = 0 [pid 3644] memfd_create("syzkaller", 0) = 3 [pid 3644] ftruncate(3, 0 [pid 3636] +++ exited with 0 +++ [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3636, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3619] restart_syscall(<... resuming interrupted clone ...> [pid 3644] <... ftruncate resumed>) = 0 [pid 3619] <... restart_syscall resumed>) = 0 [pid 3644] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 3619] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 3619] ioctl(3, LOOP_CLR_FD [pid 3644] ioctl(4, LOOP_SET_FD, 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([5, 6], 0) = 0 [pid 3644] dup(6) = 7 [pid 3644] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000005,wfdno=0x0000000000000007," [pid 3639] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3639] exit_group(0) = ? [pid 3639] +++ exited with 0 +++ [pid 3619] <... ioctl resumed>) = 0 [pid 3619] close(3 [pid 3616] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3639, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3619] <... close resumed>) = 0 [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3616] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 3616] ioctl(3, LOOP_CLR_FD [pid 3619] <... clone resumed>, child_tidptr=0x555556dcb690) = 3645 [pid 3638] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3638] exit_group(0) = ? [pid 3638] +++ exited with 0 +++ ./strace-static-x86_64: Process 3645 attached [pid 3617] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3638, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3645] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3617] restart_syscall(<... resuming interrupted clone ...> [pid 3645] <... prctl resumed>) = 0 [pid 3617] <... restart_syscall resumed>) = 0 [pid 3645] setpgid(0, 0 [pid 3617] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 3645] <... setpgid resumed>) = 0 [pid 3617] <... openat resumed>) = 3 [pid 3645] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3617] ioctl(3, LOOP_CLR_FD [pid 3645] <... openat resumed>) = 3 [pid 3645] write(3, "1000", 4) = 4 [pid 3645] close(3) = 0 [pid 3645] memfd_create("syzkaller", 0) = 3 [pid 3645] ftruncate(3, 0) = 0 [pid 3645] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 3645] ioctl(4, LOOP_SET_FD, 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([5, 6], 0) = 0 [pid 3645] dup(6) = 7 [pid 3645] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000005,wfdno=0x0000000000000007," [pid 3616] <... ioctl resumed>) = 0 [pid 3643] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3643] exit_group(0 [pid 3616] close(3) = 0 [pid 3643] <... exit_group resumed>) = ? [pid 3616] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3643] +++ exited with 0 +++ [pid 3615] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3643, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3615] restart_syscall(<... resuming interrupted clone ...> [pid 3616] <... clone resumed>, child_tidptr=0x555556dcb690) = 3646 [pid 3615] <... restart_syscall resumed>) = 0 [pid 3615] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 3615] ioctl(3, LOOP_CLR_FD [pid 3617] <... ioctl resumed>) = 0 [pid 3617] close(3) = 0 ./strace-static-x86_64: Process 3646 attached [pid 3617] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3615] <... ioctl resumed>) = 0 [pid 3615] close(3 [pid 3646] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3615] <... close resumed>) = 0 [pid 3615] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3646] <... prctl resumed>) = 0 [pid 3615] <... clone resumed>, child_tidptr=0x555556dcb690) = 3648 [pid 3646] setpgid(0, 0 [pid 3617] <... clone resumed>, child_tidptr=0x555556dcb690) = 3647 ./strace-static-x86_64: Process 3647 attached [pid 3646] <... setpgid resumed>) = 0 [pid 3647] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3646] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3647] <... prctl resumed>) = 0 [pid 3647] setpgid(0, 0) = 0 [pid 3647] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3646] write(3, "1000", 4 [pid 3647] <... openat resumed>) = 3 [pid 3646] <... write resumed>) = 4 [pid 3647] write(3, "1000", 4 [pid 3646] close(3 [pid 3647] <... write resumed>) = 4 [pid 3646] <... close resumed>) = 0 [pid 3647] close(3 [pid 3646] memfd_create("syzkaller", 0 [pid 3647] <... close resumed>) = 0 [pid 3646] <... memfd_create resumed>) = 3 [pid 3647] memfd_create("syzkaller", 0 [pid 3646] ftruncate(3, 0 [pid 3647] <... memfd_create resumed>) = 3 [pid 3646] <... ftruncate resumed>) = 0 [pid 3647] ftruncate(3, 0 [pid 3646] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 3647] <... ftruncate resumed>) = 0 [pid 3646] <... openat resumed>) = 4 [pid 3647] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 3646] ioctl(4, LOOP_SET_FD, 3 [pid 3647] <... openat resumed>) = 4 [pid 3647] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3646] <... ioctl resumed>) = 0 [pid 3647] mkdir("./file0", 0777 [pid 3646] mkdir("./file0", 0777 [pid 3647] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3646] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3647] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3646] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- ./strace-static-x86_64: Process 3648 attached [pid 3647] pipe2( [pid 3646] pipe2( [pid 3648] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3646] <... pipe2 resumed>[5, 6], 0) = 0 [pid 3640] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3648] <... prctl resumed>) = 0 [pid 3646] dup(6 [pid 3648] setpgid(0, 0 [pid 3646] <... dup resumed>) = 7 [pid 3648] <... setpgid resumed>) = 0 [pid 3646] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000005,wfdno=0x0000000000000007," [pid 3648] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3647] <... pipe2 resumed>[5, 6], 0) = 0 [pid 3640] exit_group(0 [pid 3648] <... openat resumed>) = 3 [pid 3647] dup(6 [pid 3640] <... exit_group resumed>) = ? [pid 3648] write(3, "1000", 4 [pid 3647] <... dup resumed>) = 7 [pid 3648] <... write resumed>) = 4 [pid 3647] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000005,wfdno=0x0000000000000007," [pid 3640] +++ exited with 0 +++ [pid 3648] close(3 [pid 3618] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3640, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3648] <... close resumed>) = 0 [pid 3648] memfd_create("syzkaller", 0) = 3 [pid 3648] ftruncate(3, 0) = 0 [pid 3648] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 3648] ioctl(4, LOOP_SET_FD, 3 [pid 3618] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3648] <... ioctl resumed>) = 0 [pid 3618] <... openat resumed>) = 3 [pid 3648] mkdir("./file0", 0777 [pid 3618] ioctl(3, LOOP_CLR_FD [pid 3648] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3648] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3648] pipe2([5, 6], 0) = 0 [pid 3648] dup(6) = 7 [pid 3648] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000005,wfdno=0x0000000000000007," [pid 3645] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3645] exit_group(0) = ? [pid 3645] +++ exited with 0 +++ [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3645, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3619] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 3618] <... ioctl resumed>) = 0 [pid 3619] <... openat resumed>) = 3 [pid 3618] close(3 [pid 3619] ioctl(3, LOOP_CLR_FD [pid 3618] <... close resumed>) = 0 [pid 3618] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556dcb690) = 3649 [pid 3644] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3644] exit_group(0) = ? [pid 3644] +++ exited with 0 +++ [pid 3620] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3644, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3620] restart_syscall(<... resuming interrupted clone ...>) = 0 ./strace-static-x86_64: Process 3649 attached [pid 3620] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 3649] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3620] <... openat resumed>) = 3 [pid 3649] <... prctl resumed>) = 0 [pid 3620] ioctl(3, LOOP_CLR_FD [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] memfd_create("syzkaller", 0) = 3 [pid 3649] ftruncate(3, 0) = 0 [pid 3649] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 3619] <... ioctl resumed>) = 0 [pid 3649] ioctl(4, LOOP_SET_FD, 3 [pid 3619] close(3 [pid 3649] <... ioctl resumed>) = 0 [pid 3619] <... close resumed>) = 0 [pid 3649] mkdir("./file0", 0777 [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3649] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3649] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3646] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3619] <... clone resumed>, child_tidptr=0x555556dcb690) = 3650 [pid 3649] pipe2( [pid 3646] exit_group(0 [pid 3649] <... pipe2 resumed>[5, 6], 0) = 0 [pid 3646] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 3650 attached [pid 3649] dup(6 [pid 3650] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3649] <... dup resumed>) = 7 [pid 3650] <... prctl resumed>) = 0 [pid 3649] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000005,wfdno=0x0000000000000007," [pid 3650] setpgid(0, 0 [pid 3646] +++ exited with 0 +++ [pid 3650] <... setpgid resumed>) = 0 [pid 3650] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3616] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3646, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3650] <... openat resumed>) = 3 [pid 3620] <... ioctl resumed>) = 0 [pid 3616] restart_syscall(<... resuming interrupted clone ...> [pid 3650] write(3, "1000", 4 [pid 3620] close(3 [pid 3616] <... restart_syscall resumed>) = 0 [pid 3650] <... write resumed>) = 4 [pid 3620] <... close resumed>) = 0 [pid 3650] close(3 [pid 3620] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3650] <... close resumed>) = 0 [pid 3616] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 3650] memfd_create("syzkaller", 0 [pid 3616] <... openat resumed>) = 3 [pid 3650] <... memfd_create resumed>) = 3 [pid 3616] ioctl(3, LOOP_CLR_FD [pid 3650] ftruncate(3, 0) = 0 [pid 3650] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 3650] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3650] mkdir("./file0", 0777 [pid 3648] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3620] <... clone resumed>, child_tidptr=0x555556dcb690) = 3651 [pid 3650] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3648] exit_group(0./strace-static-x86_64: Process 3651 attached [pid 3650] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3648] <... exit_group resumed>) = ? [pid 3650] pipe2([5, 6], 0) = 0 [pid 3651] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3650] dup(6 [pid 3648] +++ exited with 0 +++ [pid 3651] <... prctl resumed>) = 0 [pid 3650] <... dup resumed>) = 7 [pid 3651] setpgid(0, 0 [pid 3650] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000005,wfdno=0x0000000000000007," [pid 3651] <... setpgid resumed>) = 0 [pid 3615] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3648, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3651] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3615] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 3651] <... openat resumed>) = 3 [pid 3651] write(3, "1000", 4 [pid 3615] <... openat resumed>) = 3 [pid 3651] <... write resumed>) = 4 [pid 3615] ioctl(3, LOOP_CLR_FD [pid 3651] close(3) = 0 [pid 3651] memfd_create("syzkaller", 0) = 3 [pid 3651] ftruncate(3, 0) = 0 [pid 3651] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 3651] ioctl(4, LOOP_SET_FD, 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([5, 6], 0) = 0 [pid 3651] dup(6) = 7 [pid 3651] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000005,wfdno=0x0000000000000007," [pid 3616] <... ioctl resumed>) = 0 [pid 3615] <... ioctl resumed>) = 0 [pid 3616] close(3 [pid 3615] close(3 [pid 3647] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3616] <... close resumed>) = 0 [pid 3647] exit_group(0 [pid 3616] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3615] <... close resumed>) = 0 [pid 3647] <... exit_group resumed>) = ? [pid 3615] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3616] <... clone resumed>, child_tidptr=0x555556dcb690) = 3652 [pid 3647] +++ exited with 0 +++ ./strace-static-x86_64: Process 3652 attached [pid 3617] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3647, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3652] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3615] <... clone resumed>, child_tidptr=0x555556dcb690) = 3653 [pid 3652] <... prctl resumed>) = 0 [pid 3652] setpgid(0, 0) = 0 [pid 3652] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3617] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 3652] write(3, "1000", 4 [pid 3617] <... openat resumed>) = 3 ./strace-static-x86_64: Process 3653 attached [pid 3652] <... write resumed>) = 4 [pid 3617] ioctl(3, LOOP_CLR_FD [pid 3653] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3652] close(3 [pid 3653] <... prctl resumed>) = 0 [pid 3652] <... close resumed>) = 0 [pid 3653] setpgid(0, 0 [pid 3652] memfd_create("syzkaller", 0 [pid 3653] <... setpgid resumed>) = 0 [pid 3652] <... memfd_create resumed>) = 3 [pid 3652] ftruncate(3, 0 [pid 3653] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3652] <... ftruncate resumed>) = 0 [pid 3653] <... openat resumed>) = 3 [pid 3652] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 3653] write(3, "1000", 4 [pid 3652] <... openat resumed>) = 4 [pid 3653] <... write resumed>) = 4 [pid 3652] ioctl(4, LOOP_SET_FD, 3 [pid 3653] close(3 [pid 3652] <... ioctl resumed>) = 0 [pid 3653] <... close resumed>) = 0 [pid 3652] mkdir("./file0", 0777 [pid 3653] memfd_create("syzkaller", 0) = 3 [pid 3653] ftruncate(3, 0 [pid 3652] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3653] <... ftruncate resumed>) = 0 [pid 3652] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3653] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 3652] pipe2( [pid 3653] <... openat resumed>) = 4 [pid 3652] <... pipe2 resumed>[5, 6], 0) = 0 [pid 3653] ioctl(4, LOOP_SET_FD, 3 [pid 3652] dup(6 [pid 3653] <... ioctl resumed>) = 0 [pid 3652] <... dup resumed>) = 7 [pid 3653] mkdir("./file0", 0777 [pid 3652] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000005,wfdno=0x0000000000000007," [pid 3653] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3653] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3653] pipe2([5, 6], 0) = 0 [pid 3653] dup(6) = 7 [pid 3653] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000005,wfdno=0x0000000000000007," [pid 3650] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3650] exit_group(0) = ? [pid 3650] +++ exited with 0 +++ [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3650, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3619] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3617] <... ioctl resumed>) = 0 [pid 3617] close(3 [pid 3619] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 3617] <... close resumed>) = 0 [pid 3619] <... openat resumed>) = 3 [pid 3617] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3619] ioctl(3, LOOP_CLR_FD [pid 3617] <... clone resumed>, child_tidptr=0x555556dcb690) = 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] memfd_create("syzkaller", 0) = 3 [pid 3654] ftruncate(3, 0) = 0 [pid 3654] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 3654] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3619] <... ioctl resumed>) = 0 [pid 3654] mkdir("./file0", 0777 [pid 3619] close(3 [pid 3654] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3619] <... close resumed>) = 0 [pid 3654] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3654] pipe2( [pid 3619] <... clone resumed>, child_tidptr=0x555556dcb690) = 3655 [pid 3654] <... pipe2 resumed>[5, 6], 0) = 0 [pid 3654] dup(6) = 7 [pid 3654] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000005,wfdno=0x0000000000000007,"./strace-static-x86_64: Process 3655 attached [pid 3655] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3655] setpgid(0, 0) = 0 [pid 3655] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3651] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3655] <... openat resumed>) = 3 [pid 3651] exit_group(0 [pid 3655] write(3, "1000", 4 [pid 3651] <... exit_group resumed>) = ? [pid 3655] <... write resumed>) = 4 [pid 3655] close(3 [pid 3651] +++ exited with 0 +++ [pid 3655] <... close resumed>) = 0 [pid 3655] memfd_create("syzkaller", 0 [pid 3620] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3651, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3655] <... memfd_create resumed>) = 3 [pid 3620] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 3655] ftruncate(3, 0 [pid 3620] <... openat resumed>) = 3 [pid 3655] <... ftruncate resumed>) = 0 [pid 3620] ioctl(3, LOOP_CLR_FD [pid 3655] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 3655] ioctl(4, LOOP_SET_FD, 3 [pid 3649] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3655] <... ioctl resumed>) = 0 [pid 3620] <... ioctl resumed>) = 0 [pid 3655] mkdir("./file0", 0777 [pid 3649] exit_group(0 [pid 3655] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3620] close(3 [pid 3655] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3649] <... exit_group resumed>) = ? [pid 3620] <... close resumed>) = 0 [pid 3655] pipe2([5, 6], 0) = 0 [pid 3649] +++ exited with 0 +++ [pid 3620] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3655] dup(6) = 7 [pid 3655] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000005,wfdno=0x0000000000000007," [pid 3620] <... clone resumed>, child_tidptr=0x555556dcb690) = 3656 [pid 3618] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3649, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3618] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 ./strace-static-x86_64: Process 3656 attached [pid 3618] ioctl(3, LOOP_CLR_FD [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] memfd_create("syzkaller", 0) = 3 [pid 3656] ftruncate(3, 0) = 0 [pid 3656] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 4 [pid 3656] ioctl(4, LOOP_SET_FD, 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([5, 6], 0) = 0 [pid 3656] dup(6) = 7 [pid 3656] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000005,wfdno=0x0000000000000007," [pid 3618] <... ioctl resumed>) = 0 [pid 3653] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3653] exit_group(0 [pid 3618] close(3 [pid 3653] <... exit_group resumed>) = ? [pid 3653] +++ exited with 0 +++ [pid 3618] <... close resumed>) = 0 [pid 3615] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3653, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3618] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556dcb690) = 3657 [pid 3615] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 3615] ioctl(3, LOOP_CLR_FD) = 0 [pid 3615] close(3) = 0 [pid 3615] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3657 attached [pid 3657] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3615] <... clone resumed>, child_tidptr=0x555556dcb690) = 3658 [pid 3657] setpgid(0, 0) = 0 [pid 3657] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 3658 attached ) = 3 [pid 3658] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3657] write(3, "1000", 4 [pid 3658] setpgid(0, 0 [pid 3657] <... write resumed>) = 4 [pid 3658] <... setpgid resumed>) = 0 [pid 3657] close(3 [pid 3658] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3657] <... close resumed>) = 0 [pid 3658] <... openat resumed>) = 3 [pid 3657] memfd_create("syzkaller", 0 [pid 3658] write(3, "1000", 4 [pid 3657] <... memfd_create resumed>) = 3 [pid 3658] <... write resumed>) = 4 [pid 3657] ftruncate(3, 0 [pid 3658] close(3 [pid 3657] <... ftruncate resumed>) = 0 [pid 3658] <... close resumed>) = 0 [pid 3657] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 3658] memfd_create("syzkaller", 0 [pid 3657] <... openat resumed>) = 4 [pid 3658] <... memfd_create resumed>) = 3 [pid 3657] ioctl(4, LOOP_SET_FD, 3 [pid 3658] ftruncate(3, 0 [pid 3657] <... ioctl resumed>) = 0 [pid 3658] <... ftruncate resumed>) = 0 [pid 3657] mkdir("./file0", 0777 [pid 3658] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 3657] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3658] <... openat resumed>) = 4 [pid 3657] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3658] ioctl(4, LOOP_SET_FD, 3 [pid 3657] pipe2( [pid 3658] <... ioctl resumed>) = 0 [pid 3657] <... pipe2 resumed>[5, 6], 0) = 0 [pid 3658] mkdir("./file0", 0777 [pid 3657] dup(6 [pid 3658] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 3657] <... dup resumed>) = 7 [pid 3658] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 3657] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000005,wfdno=0x0000000000000007," [pid 3658] pipe2([5, 6], 0) = 0 [pid 3658] dup(6) = 7 [pid 3658] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000005,wfdno=0x0000000000000007," [pid 3652] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3652] exit_group(0) = ? [pid 3652] +++ exited with 0 +++ [pid 3616] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3652, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3616] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 3616] ioctl(3, LOOP_CLR_FD) = 0 [pid 3616] close(3) = 0 [pid 3616] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556dcb690) = 3659 ./strace-static-x86_64: Process 3659 attached [pid 3659] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3654] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3659] <... prctl resumed>) = 0 [pid 3654] exit_group(0 [pid 3659] setpgid(0, 0 [pid 3654] <... exit_group resumed>) = ? [pid 3659] <... setpgid resumed>) = 0 [pid 3654] +++ exited with 0 +++ [pid 3659] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3617] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3654, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3659] <... openat resumed>) = 3 [pid 3659] write(3, "1000", 4) = 4 [pid 3659] close(3) = 0 [pid 3659] memfd_create("syzkaller", 0) = 3 [pid 3659] ftruncate(3, 0) = 0 [pid 3659] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 3617] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 3659] <... openat resumed>) = 4 [pid 3617] <... openat resumed>) = 3 [pid 3659] ioctl(4, LOOP_SET_FD, 3 [pid 3617] ioctl(3, LOOP_CLR_FD [pid 3659] <... ioctl resumed>) = 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([5, 6], 0) = 0 [pid 3659] dup(6) = 7 [pid 3659] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000005,wfdno=0x0000000000000007," [pid 3655] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3655] exit_group(0) = ? [pid 3655] +++ exited with 0 +++ [pid 3619] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3655, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3619] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 3619] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 3619] ioctl(3, LOOP_CLR_FD [pid 3617] <... ioctl resumed>) = 0 [pid 3617] close(3) = 0 [pid 3617] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556dcb690) = 3660 ./strace-static-x86_64: Process 3660 attached [pid 3658] <... mount resumed>) = -1 EFAULT (Bad address) [pid 3658] exit_group(0 [pid 3660] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3660] setpgid(0, 0 [pid 3658] <... exit_group resumed>) = ? [pid 3660] <... setpgid resumed>) = 0 [pid 3660] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3658] +++ exited with 0 +++ [pid 3660] <... openat resumed>) = 3 [pid 3615] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3658, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3660] write(3, "1000", 4) = 4 [pid 3660] close(3) = 0 [pid 3660] memfd_create("syzkaller", 0