./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor610722555 <...> Warning: Permanently added '10.128.0.155' (ECDSA) to the list of known hosts. execve("./syz-executor610722555", ["./syz-executor610722555"], 0x7ffed6655760 /* 10 vars */) = 0 brk(NULL) = 0x555556add000 brk(0x555556addc40) = 0x555556addc40 arch_prctl(ARCH_SET_FS, 0x555556add300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor610722555", 4096) = 27 brk(0x555556afec40) = 0x555556afec40 brk(0x555556aff000) = 0x555556aff000 mprotect(0x7f4bb69e8000, 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 getpid() = 3631 mkdir("./syzkaller.Z2urPK", 0700) = 0 chmod("./syzkaller.Z2urPK", 0777) = 0 chdir("./syzkaller.Z2urPK") = 0 mkdir("./0", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556add5d0) = 3632 ./strace-static-x86_64: Process 3632 attached [pid 3632] chdir("./0") = 0 [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] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3632] memfd_create("syzkaller", 0) = 3 [pid 3632] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4bae400000 [pid 3632] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x10\x20\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf4\x00\x00\x00\xf4\x00\x00\x00\x92\x9d\x3e\x59\x8b\x7e\x69\x31\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 4194304) = 4194304 [pid 3632] munmap(0x7f4bae400000, 4194304) = 0 [pid 3632] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 3632] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3632] close(3) = 0 [pid 3632] mkdir("./file0", 0777) = 0 [pid 3632] mount("/dev/loop0", "./file0", "ntfs3", 0, "nohidden,sparse,sparse,force,discard,") = 0 [pid 3632] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 3632] chdir("./file0") = 0 [pid 3632] ioctl(4, LOOP_CLR_FD) = 0 [pid 3632] close(4) = 0 [pid 3632] exit_group(0) = ? [pid 3632] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3632, si_uid=0, si_status=0, si_utime=0, si_stime=5} --- [ 55.793245][ T3632] loop0: detected capacity change from 0 to 8192 [ 55.805630][ T3632] ntfs3: loop0: Different NTFS' sector size (4096) and media sector size (512) restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556ade620 /* 4 entries */, 32768) = 112 umount2("./0/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./0/binderfs") = 0 umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./0/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./0/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x555556ae6660 /* 2 entries */, 32768) = 48 getdents64(4, 0x555556ae6660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./0/file0") = 0 getdents64(3, 0x555556ade620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./0") = 0 mkdir("./1", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556add5d0) = 3634 ./strace-static-x86_64: Process 3634 attached [pid 3634] chdir("./1") = 0 [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] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3634] memfd_create("syzkaller", 0) = 3 [pid 3634] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4bae400000 [pid 3634] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x10\x20\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf4\x00\x00\x00\xf4\x00\x00\x00\x92\x9d\x3e\x59\x8b\x7e\x69\x31\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 4194304) = 4194304 [pid 3634] munmap(0x7f4bae400000, 4194304) = 0 [pid 3634] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 3634] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3634] close(3) = 0 [pid 3634] mkdir("./file0", 0777) = 0 [pid 3634] mount("/dev/loop0", "./file0", "ntfs3", 0, "nohidden,sparse,sparse,force,discard,") = 0 [pid 3634] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 3634] chdir("./file0") = 0 [pid 3634] ioctl(4, LOOP_CLR_FD) = 0 [pid 3634] close(4) = 0 [pid 3634] exit_group(0) = ? [pid 3634] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3634, si_uid=0, si_status=0, si_utime=0, si_stime=7} --- restart_syscall(<... resuming interrupted clone ...>) = 0 [ 55.979226][ T3634] loop0: detected capacity change from 0 to 8192 [ 55.988654][ T3634] ntfs3: loop0: Different NTFS' sector size (4096) and media sector size (512) umount2("./1", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556ade620 /* 4 entries */, 32768) = 112 umount2("./1/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./1/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./1/binderfs") = 0 umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./1/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./1/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./1/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x555556ae6660 /* 2 entries */, 32768) = 48 getdents64(4, 0x555556ae6660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./1/file0") = 0 getdents64(3, 0x555556ade620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./1") = 0 mkdir("./2", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556add5d0) = 3635 ./strace-static-x86_64: Process 3635 attached [pid 3635] chdir("./2") = 0 [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] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3635] memfd_create("syzkaller", 0) = 3 [pid 3635] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4bae400000 [pid 3635] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x10\x20\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf4\x00\x00\x00\xf4\x00\x00\x00\x92\x9d\x3e\x59\x8b\x7e\x69\x31\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 4194304) = 4194304 [pid 3635] munmap(0x7f4bae400000, 4194304) = 0 [pid 3635] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 3635] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3635] close(3) = 0 [pid 3635] mkdir("./file0", 0777) = 0 [pid 3635] mount("/dev/loop0", "./file0", "ntfs3", 0, "nohidden,sparse,sparse,force,discard,") = 0 [pid 3635] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 3635] chdir("./file0") = 0 [pid 3635] ioctl(4, LOOP_CLR_FD) = 0 [pid 3635] close(4) = 0 [pid 3635] exit_group(0) = ? [pid 3635] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3635, si_uid=0, si_status=0, si_utime=0, si_stime=7} --- umount2("./2", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556ade620 /* 4 entries */, 32768) = 112 umount2("./2/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./2/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./2/binderfs") = 0 [ 56.149634][ T3635] loop0: detected capacity change from 0 to 8192 [ 56.160717][ T3635] ntfs3: loop0: Different NTFS' sector size (4096) and media sector size (512) umount2("./2/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./2/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./2/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./2/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./2/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x555556ae6660 /* 2 entries */, 32768) = 48 getdents64(4, 0x555556ae6660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./2/file0") = 0 getdents64(3, 0x555556ade620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./2") = 0 mkdir("./3", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556add5d0) = 3636 ./strace-static-x86_64: Process 3636 attached [pid 3636] chdir("./3") = 0 [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] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3636] memfd_create("syzkaller", 0) = 3 [pid 3636] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4bae400000 [pid 3636] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x10\x20\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf4\x00\x00\x00\xf4\x00\x00\x00\x92\x9d\x3e\x59\x8b\x7e\x69\x31\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 4194304) = 4194304 [pid 3636] munmap(0x7f4bae400000, 4194304) = 0 [pid 3636] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 3636] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3636] close(3) = 0 [pid 3636] mkdir("./file0", 0777) = 0 [pid 3636] mount("/dev/loop0", "./file0", "ntfs3", 0, "nohidden,sparse,sparse,force,discard,") = 0 [pid 3636] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 3636] chdir("./file0") = 0 [pid 3636] ioctl(4, LOOP_CLR_FD) = 0 [pid 3636] close(4) = 0 [pid 3636] exit_group(0) = ? [pid 3636] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3636, si_uid=0, si_status=0, si_utime=0, si_stime=8} --- umount2("./3", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556ade620 /* 4 entries */, 32768) = 112 umount2("./3/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./3/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [ 56.332484][ T3636] loop0: detected capacity change from 0 to 8192 [ 56.343353][ T3636] ntfs3: loop0: Different NTFS' sector size (4096) and media sector size (512) unlink("./3/binderfs") = 0 umount2("./3/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./3/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./3/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./3/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./3/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x555556ae6660 /* 2 entries */, 32768) = 48 getdents64(4, 0x555556ae6660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./3/file0") = 0 getdents64(3, 0x555556ade620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./3") = 0 mkdir("./4", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556add5d0) = 3637 ./strace-static-x86_64: Process 3637 attached [pid 3637] chdir("./4") = 0 [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] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3637] memfd_create("syzkaller", 0) = 3 [pid 3637] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4bae400000 [pid 3637] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x10\x20\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf4\x00\x00\x00\xf4\x00\x00\x00\x92\x9d\x3e\x59\x8b\x7e\x69\x31\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 4194304) = 4194304 [pid 3637] munmap(0x7f4bae400000, 4194304) = 0 [pid 3637] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 3637] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3637] close(3) = 0 [pid 3637] mkdir("./file0", 0777) = 0 [pid 3637] mount("/dev/loop0", "./file0", "ntfs3", 0, "nohidden,sparse,sparse,force,discard,") = 0 [pid 3637] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 3637] chdir("./file0") = 0 [pid 3637] ioctl(4, LOOP_CLR_FD) = 0 [pid 3637] close(4) = 0 [pid 3637] exit_group(0) = ? [pid 3637] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3637, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- umount2("./4", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556ade620 /* 4 entries */, 32768) = 112 umount2("./4/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./4/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./4/binderfs") = 0 umount2("./4/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./4/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./4/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./4/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./4/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x555556ae6660 /* 2 entries */, 32768) = 48 [ 56.501569][ T3637] loop0: detected capacity change from 0 to 8192 [ 56.511492][ T3637] ntfs3: loop0: Different NTFS' sector size (4096) and media sector size (512) getdents64(4, 0x555556ae6660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./4/file0") = 0 getdents64(3, 0x555556ade620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./4") = 0 mkdir("./5", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556add5d0) = 3638 ./strace-static-x86_64: Process 3638 attached [pid 3638] chdir("./5") = 0 [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] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3638] memfd_create("syzkaller", 0) = 3 [pid 3638] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4bae400000 [pid 3638] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x10\x20\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf4\x00\x00\x00\xf4\x00\x00\x00\x92\x9d\x3e\x59\x8b\x7e\x69\x31\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 4194304) = 4194304 [pid 3638] munmap(0x7f4bae400000, 4194304) = 0 [pid 3638] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 3638] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3638] close(3) = 0 [pid 3638] mkdir("./file0", 0777) = 0 [pid 3638] mount("/dev/loop0", "./file0", "ntfs3", 0, "nohidden,sparse,sparse,force,discard,") = 0 [pid 3638] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 3638] chdir("./file0") = 0 [pid 3638] ioctl(4, LOOP_CLR_FD) = 0 [pid 3638] close(4) = 0 [pid 3638] exit_group(0) = ? [pid 3638] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3638, si_uid=0, si_status=0, si_utime=0, si_stime=6} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./5", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556ade620 /* 4 entries */, 32768) = 112 umount2("./5/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./5/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./5/binderfs") = 0 [ 56.652406][ T3638] loop0: detected capacity change from 0 to 8192 [ 56.663562][ T3638] ntfs3: loop0: Different NTFS' sector size (4096) and media sector size (512) umount2("./5/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./5/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./5/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./5/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./5/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x555556ae6660 /* 2 entries */, 32768) = 48 getdents64(4, 0x555556ae6660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./5/file0") = 0 getdents64(3, 0x555556ade620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./5") = 0 mkdir("./6", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556add5d0) = 3639 ./strace-static-x86_64: Process 3639 attached [pid 3639] chdir("./6") = 0 [pid 3639] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3639] setpgid(0, 0) = 0 [pid 3639] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3639] write(3, "1000", 4) = 4 [pid 3639] close(3) = 0 [pid 3639] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3639] memfd_create("syzkaller", 0) = 3 [pid 3639] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4bae400000 [pid 3639] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x10\x20\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf4\x00\x00\x00\xf4\x00\x00\x00\x92\x9d\x3e\x59\x8b\x7e\x69\x31\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 4194304) = 4194304 [pid 3639] munmap(0x7f4bae400000, 4194304) = 0 [pid 3639] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 3639] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3639] close(3) = 0 [pid 3639] mkdir("./file0", 0777) = 0 [pid 3639] mount("/dev/loop0", "./file0", "ntfs3", 0, "nohidden,sparse,sparse,force,discard,") = 0 [pid 3639] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 3639] chdir("./file0") = 0 [pid 3639] ioctl(4, LOOP_CLR_FD) = 0 [pid 3639] close(4) = 0 [pid 3639] exit_group(0) = ? [pid 3639] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3639, si_uid=0, si_status=0, si_utime=0, si_stime=8} --- umount2("./6", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./6", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556ade620 /* 4 entries */, 32768) = 112 umount2("./6/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./6/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./6/binderfs") = 0 [ 56.823490][ T3639] loop0: detected capacity change from 0 to 8192 [ 56.833056][ T3639] ntfs3: loop0: Different NTFS' sector size (4096) and media sector size (512) umount2("./6/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./6/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./6/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./6/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./6/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x555556ae6660 /* 2 entries */, 32768) = 48 getdents64(4, 0x555556ae6660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./6/file0") = 0 getdents64(3, 0x555556ade620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./6") = 0 mkdir("./7", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556add5d0) = 3640 ./strace-static-x86_64: Process 3640 attached [pid 3640] chdir("./7") = 0 [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] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3640] memfd_create("syzkaller", 0) = 3 [pid 3640] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4bae400000 [pid 3640] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x10\x20\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf4\x00\x00\x00\xf4\x00\x00\x00\x92\x9d\x3e\x59\x8b\x7e\x69\x31\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 4194304) = 4194304 [pid 3640] munmap(0x7f4bae400000, 4194304) = 0 [pid 3640] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 3640] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3640] close(3) = 0 [pid 3640] mkdir("./file0", 0777) = 0 [pid 3640] mount("/dev/loop0", "./file0", "ntfs3", 0, "nohidden,sparse,sparse,force,discard,") = 0 [pid 3640] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 3640] chdir("./file0") = 0 [pid 3640] ioctl(4, LOOP_CLR_FD) = 0 [pid 3640] close(4) = 0 [pid 3640] exit_group(0) = ? [pid 3640] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3640, si_uid=0, si_status=0, si_utime=2, si_stime=6} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./7", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./7", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556ade620 /* 4 entries */, 32768) = 112 umount2("./7/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./7/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./7/binderfs") = 0 [ 56.994494][ T3640] loop0: detected capacity change from 0 to 8192 [ 57.005427][ T3640] ntfs3: loop0: Different NTFS' sector size (4096) and media sector size (512) umount2("./7/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./7/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./7/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./7/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./7/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x555556ae6660 /* 2 entries */, 32768) = 48 getdents64(4, 0x555556ae6660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./7/file0") = 0 getdents64(3, 0x555556ade620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./7") = 0 mkdir("./8", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556add5d0) = 3641 ./strace-static-x86_64: Process 3641 attached [pid 3641] chdir("./8") = 0 [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] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3641] memfd_create("syzkaller", 0) = 3 [pid 3641] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4bae400000 [pid 3641] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x10\x20\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf4\x00\x00\x00\xf4\x00\x00\x00\x92\x9d\x3e\x59\x8b\x7e\x69\x31\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 4194304) = 4194304 [pid 3641] munmap(0x7f4bae400000, 4194304) = 0 [pid 3641] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 3641] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3641] close(3) = 0 [pid 3641] mkdir("./file0", 0777) = 0 [pid 3641] mount("/dev/loop0", "./file0", "ntfs3", 0, "nohidden,sparse,sparse,force,discard,") = 0 [pid 3641] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 3641] chdir("./file0") = 0 [pid 3641] ioctl(4, LOOP_CLR_FD) = 0 [pid 3641] close(4) = 0 [pid 3641] exit_group(0) = ? [pid 3641] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3641, si_uid=0, si_status=0, si_utime=0, si_stime=6} --- umount2("./8", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./8", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556ade620 /* 4 entries */, 32768) = 112 umount2("./8/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./8/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./8/binderfs") = 0 [ 57.167975][ T3641] loop0: detected capacity change from 0 to 8192 [ 57.178794][ T3641] ntfs3: loop0: Different NTFS' sector size (4096) and media sector size (512) umount2("./8/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./8/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./8/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./8/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./8/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x555556ae6660 /* 2 entries */, 32768) = 48 getdents64(4, 0x555556ae6660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./8/file0") = 0 getdents64(3, 0x555556ade620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./8") = 0 mkdir("./9", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556add5d0) = 3642 ./strace-static-x86_64: Process 3642 attached [pid 3642] chdir("./9") = 0 [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] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3642] memfd_create("syzkaller", 0) = 3 [pid 3642] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4bae400000 [pid 3642] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x10\x20\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf4\x00\x00\x00\xf4\x00\x00\x00\x92\x9d\x3e\x59\x8b\x7e\x69\x31\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 4194304) = 4194304 [pid 3642] munmap(0x7f4bae400000, 4194304) = 0 [pid 3642] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 3642] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3642] close(3) = 0 [pid 3642] mkdir("./file0", 0777) = 0 [pid 3642] mount("/dev/loop0", "./file0", "ntfs3", 0, "nohidden,sparse,sparse,force,discard,") = 0 [pid 3642] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 3642] chdir("./file0") = 0 [pid 3642] ioctl(4, LOOP_CLR_FD) = 0 [pid 3642] close(4) = 0 [pid 3642] exit_group(0) = ? [pid 3642] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3642, si_uid=0, si_status=0, si_utime=0, si_stime=5} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./9", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./9", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556ade620 /* 4 entries */, 32768) = 112 umount2("./9/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./9/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./9/binderfs") = 0 umount2("./9/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./9/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 57.337154][ T3642] loop0: detected capacity change from 0 to 8192 [ 57.346701][ T3642] ntfs3: loop0: Different NTFS' sector size (4096) and media sector size (512) lstat("./9/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./9/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./9/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x555556ae6660 /* 2 entries */, 32768) = 48 getdents64(4, 0x555556ae6660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./9/file0") = 0 getdents64(3, 0x555556ade620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./9") = 0 mkdir("./10", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556add5d0) = 3643 ./strace-static-x86_64: Process 3643 attached [pid 3643] chdir("./10") = 0 [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] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3643] memfd_create("syzkaller", 0) = 3 [pid 3643] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4bae400000 [pid 3643] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x10\x20\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf4\x00\x00\x00\xf4\x00\x00\x00\x92\x9d\x3e\x59\x8b\x7e\x69\x31\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 4194304) = 4194304 [pid 3643] munmap(0x7f4bae400000, 4194304) = 0 [pid 3643] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 3643] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3643] close(3) = 0 [pid 3643] mkdir("./file0", 0777) = 0 [pid 3643] mount("/dev/loop0", "./file0", "ntfs3", 0, "nohidden,sparse,sparse,force,discard,") = 0 [pid 3643] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 3643] chdir("./file0") = 0 [pid 3643] ioctl(4, LOOP_CLR_FD) = 0 [pid 3643] close(4) = 0 [pid 3643] exit_group(0) = ? [pid 3643] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3643, si_uid=0, si_status=0, si_utime=0, si_stime=7} --- umount2("./10", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./10", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556ade620 /* 4 entries */, 32768) = 112 umount2("./10/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./10/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./10/binderfs") = 0 [ 57.509274][ T3643] loop0: detected capacity change from 0 to 8192 [ 57.518284][ T3643] ntfs3: loop0: Different NTFS' sector size (4096) and media sector size (512) umount2("./10/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./10/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./10/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./10/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./10/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x555556ae6660 /* 2 entries */, 32768) = 48 getdents64(4, 0x555556ae6660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./10/file0") = 0 getdents64(3, 0x555556ade620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./10") = 0 mkdir("./11", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556add5d0) = 3644 ./strace-static-x86_64: Process 3644 attached [pid 3644] chdir("./11") = 0 [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] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3644] memfd_create("syzkaller", 0) = 3 [pid 3644] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4bae400000 [pid 3644] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x10\x20\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf4\x00\x00\x00\xf4\x00\x00\x00\x92\x9d\x3e\x59\x8b\x7e\x69\x31\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 4194304) = 4194304 [pid 3644] munmap(0x7f4bae400000, 4194304) = 0 [pid 3644] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 3644] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3644] close(3) = 0 [pid 3644] mkdir("./file0", 0777) = 0 [pid 3644] mount("/dev/loop0", "./file0", "ntfs3", 0, "nohidden,sparse,sparse,force,discard,") = 0 [pid 3644] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 3644] chdir("./file0") = 0 [pid 3644] ioctl(4, LOOP_CLR_FD) = 0 [pid 3644] close(4) = 0 [pid 3644] exit_group(0) = ? [pid 3644] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3644, si_uid=0, si_status=0, si_utime=0, si_stime=5} --- [ 57.666796][ T3644] loop0: detected capacity change from 0 to 8192 [ 57.677818][ T3644] ntfs3: loop0: Different NTFS' sector size (4096) and media sector size (512) restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./11", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./11", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556ade620 /* 4 entries */, 32768) = 112 umount2("./11/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./11/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./11/binderfs") = 0 umount2("./11/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./11/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./11/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./11/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./11/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x555556ae6660 /* 2 entries */, 32768) = 48 getdents64(4, 0x555556ae6660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./11/file0") = 0 getdents64(3, 0x555556ade620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./11") = 0 mkdir("./12", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556add5d0) = 3645 ./strace-static-x86_64: Process 3645 attached [pid 3645] chdir("./12") = 0 [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] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3645] memfd_create("syzkaller", 0) = 3 [pid 3645] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4bae400000 [pid 3645] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x10\x20\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf4\x00\x00\x00\xf4\x00\x00\x00\x92\x9d\x3e\x59\x8b\x7e\x69\x31\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 4194304) = 4194304 [pid 3645] munmap(0x7f4bae400000, 4194304) = 0 [pid 3645] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 3645] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3645] close(3) = 0 [pid 3645] mkdir("./file0", 0777) = 0 [pid 3645] mount("/dev/loop0", "./file0", "ntfs3", 0, "nohidden,sparse,sparse,force,discard,") = 0 [pid 3645] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 3645] chdir("./file0") = 0 [pid 3645] ioctl(4, LOOP_CLR_FD) = 0 [pid 3645] close(4) = 0 [pid 3645] exit_group(0) = ? [pid 3645] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3645, si_uid=0, si_status=0, si_utime=1, si_stime=5} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./12", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./12", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556ade620 /* 4 entries */, 32768) = 112 umount2("./12/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./12/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./12/binderfs") = 0 [ 57.845293][ T3645] loop0: detected capacity change from 0 to 8192 [ 57.856209][ T3645] ntfs3: loop0: Different NTFS' sector size (4096) and media sector size (512) umount2("./12/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./12/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./12/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./12/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./12/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x555556ae6660 /* 2 entries */, 32768) = 48 getdents64(4, 0x555556ae6660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./12/file0") = 0 getdents64(3, 0x555556ade620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./12") = 0 mkdir("./13", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556add5d0) = 3646 ./strace-static-x86_64: Process 3646 attached [pid 3646] chdir("./13") = 0 [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] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3646] memfd_create("syzkaller", 0) = 3 [pid 3646] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4bae400000 [pid 3646] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x10\x20\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf4\x00\x00\x00\xf4\x00\x00\x00\x92\x9d\x3e\x59\x8b\x7e\x69\x31\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 4194304) = 4194304 [pid 3646] munmap(0x7f4bae400000, 4194304) = 0 [pid 3646] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 3646] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3646] close(3) = 0 [pid 3646] mkdir("./file0", 0777) = 0 [pid 3646] mount("/dev/loop0", "./file0", "ntfs3", 0, "nohidden,sparse,sparse,force,discard,") = 0 [pid 3646] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 3646] chdir("./file0") = 0 [pid 3646] ioctl(4, LOOP_CLR_FD) = 0 [pid 3646] close(4) = 0 [pid 3646] exit_group(0) = ? [pid 3646] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3646, si_uid=0, si_status=0, si_utime=0, si_stime=8} --- umount2("./13", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./13", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556ade620 /* 4 entries */, 32768) = 112 umount2("./13/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./13/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./13/binderfs") = 0 umount2("./13/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./13/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./13/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [ 58.019167][ T3646] loop0: detected capacity change from 0 to 8192 [ 58.028674][ T3646] ntfs3: loop0: Different NTFS' sector size (4096) and media sector size (512) umount2("./13/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./13/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x555556ae6660 /* 2 entries */, 32768) = 48 getdents64(4, 0x555556ae6660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./13/file0") = 0 getdents64(3, 0x555556ade620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./13") = 0 mkdir("./14", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556add5d0) = 3647 ./strace-static-x86_64: Process 3647 attached [pid 3647] chdir("./14") = 0 [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] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3647] memfd_create("syzkaller", 0) = 3 [pid 3647] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4bae400000 [pid 3647] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x10\x20\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf4\x00\x00\x00\xf4\x00\x00\x00\x92\x9d\x3e\x59\x8b\x7e\x69\x31\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 4194304) = 4194304 [pid 3647] munmap(0x7f4bae400000, 4194304) = 0 [pid 3647] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 3647] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3647] close(3) = 0 [pid 3647] mkdir("./file0", 0777) = 0 [pid 3647] mount("/dev/loop0", "./file0", "ntfs3", 0, "nohidden,sparse,sparse,force,discard,") = 0 [pid 3647] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 3647] chdir("./file0") = 0 [pid 3647] ioctl(4, LOOP_CLR_FD) = 0 [pid 3647] close(4) = 0 [pid 3647] exit_group(0) = ? [pid 3647] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3647, si_uid=0, si_status=0, si_utime=0, si_stime=6} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./14", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./14", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556ade620 /* 4 entries */, 32768) = 112 umount2("./14/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./14/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./14/binderfs") = 0 umount2("./14/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./14/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./14/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./14/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./14/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [ 58.181659][ T3647] loop0: detected capacity change from 0 to 8192 [ 58.190614][ T3647] ntfs3: loop0: Different NTFS' sector size (4096) and media sector size (512) getdents64(4, 0x555556ae6660 /* 2 entries */, 32768) = 48 getdents64(4, 0x555556ae6660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./14/file0") = 0 getdents64(3, 0x555556ade620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./14") = 0 mkdir("./15", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556add5d0) = 3648 ./strace-static-x86_64: Process 3648 attached [pid 3648] chdir("./15") = 0 [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] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3648] memfd_create("syzkaller", 0) = 3 [pid 3648] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4bae400000 [pid 3648] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x10\x20\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf4\x00\x00\x00\xf4\x00\x00\x00\x92\x9d\x3e\x59\x8b\x7e\x69\x31\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 4194304) = 4194304 [pid 3648] munmap(0x7f4bae400000, 4194304) = 0 [pid 3648] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 3648] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3648] close(3) = 0 [pid 3648] mkdir("./file0", 0777) = 0 [pid 3648] mount("/dev/loop0", "./file0", "ntfs3", 0, "nohidden,sparse,sparse,force,discard,") = 0 [pid 3648] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 3648] chdir("./file0") = 0 [pid 3648] ioctl(4, LOOP_CLR_FD) = 0 [pid 3648] close(4) = 0 [pid 3648] exit_group(0) = ? [pid 3648] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3648, si_uid=0, si_status=0, si_utime=1, si_stime=6} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./15", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./15", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556ade620 /* 4 entries */, 32768) = 112 umount2("./15/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./15/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./15/binderfs") = 0 umount2("./15/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./15/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./15/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./15/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./15/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [ 58.336799][ T3648] loop0: detected capacity change from 0 to 8192 [ 58.345662][ T3648] ntfs3: loop0: Different NTFS' sector size (4096) and media sector size (512) fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x555556ae6660 /* 2 entries */, 32768) = 48 getdents64(4, 0x555556ae6660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./15/file0") = 0 getdents64(3, 0x555556ade620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./15") = 0 mkdir("./16", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556add5d0) = 3649 ./strace-static-x86_64: Process 3649 attached [pid 3649] chdir("./16") = 0 [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] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3649] memfd_create("syzkaller", 0) = 3 [pid 3649] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4bae400000 [pid 3649] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x10\x20\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf4\x00\x00\x00\xf4\x00\x00\x00\x92\x9d\x3e\x59\x8b\x7e\x69\x31\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 4194304) = 4194304 [pid 3649] munmap(0x7f4bae400000, 4194304) = 0 [pid 3649] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 3649] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3649] close(3) = 0 [pid 3649] mkdir("./file0", 0777) = 0 [pid 3649] mount("/dev/loop0", "./file0", "ntfs3", 0, "nohidden,sparse,sparse,force,discard,") = 0 [pid 3649] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 3649] chdir("./file0") = 0 [pid 3649] ioctl(4, LOOP_CLR_FD) = 0 [pid 3649] close(4) = 0 [pid 3649] exit_group(0) = ? [pid 3649] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3649, si_uid=0, si_status=0, si_utime=0, si_stime=5} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./16", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./16", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556ade620 /* 4 entries */, 32768) = 112 umount2("./16/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./16/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./16/binderfs") = 0 [ 58.496828][ T3649] loop0: detected capacity change from 0 to 8192 [ 58.507619][ T3649] ntfs3: loop0: Different NTFS' sector size (4096) and media sector size (512) umount2("./16/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./16/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./16/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./16/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./16/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x555556ae6660 /* 2 entries */, 32768) = 48 getdents64(4, 0x555556ae6660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./16/file0") = 0 getdents64(3, 0x555556ade620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./16") = 0 mkdir("./17", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556add5d0) = 3650 ./strace-static-x86_64: Process 3650 attached [pid 3650] chdir("./17") = 0 [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] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3650] memfd_create("syzkaller", 0) = 3 [pid 3650] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4bae400000 [pid 3650] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x10\x20\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf4\x00\x00\x00\xf4\x00\x00\x00\x92\x9d\x3e\x59\x8b\x7e\x69\x31\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 4194304) = 4194304 [pid 3650] munmap(0x7f4bae400000, 4194304) = 0 [pid 3650] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 3650] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3650] close(3) = 0 [pid 3650] mkdir("./file0", 0777) = 0 [pid 3650] mount("/dev/loop0", "./file0", "ntfs3", 0, "nohidden,sparse,sparse,force,discard,") = 0 [pid 3650] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 3650] chdir("./file0") = 0 [pid 3650] ioctl(4, LOOP_CLR_FD) = 0 [pid 3650] close(4) = 0 [ 58.656752][ T3650] loop0: detected capacity change from 0 to 8192 [ 58.667374][ T3650] ntfs3: loop0: Different NTFS' sector size (4096) and media sector size (512) [pid 3650] exit_group(0) = ? [pid 3650] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3650, si_uid=0, si_status=0, si_utime=0, si_stime=7} --- umount2("./17", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./17", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556ade620 /* 4 entries */, 32768) = 112 umount2("./17/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./17/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./17/binderfs") = 0 umount2("./17/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./17/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./17/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./17/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./17/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x555556ae6660 /* 2 entries */, 32768) = 48 getdents64(4, 0x555556ae6660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./17/file0") = 0 getdents64(3, 0x555556ade620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./17") = 0 mkdir("./18", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556add5d0) = 3651 ./strace-static-x86_64: Process 3651 attached [pid 3651] chdir("./18") = 0 [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] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3651] memfd_create("syzkaller", 0) = 3 [pid 3651] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4bae400000 [pid 3651] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x10\x20\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf4\x00\x00\x00\xf4\x00\x00\x00\x92\x9d\x3e\x59\x8b\x7e\x69\x31\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 4194304) = 4194304 [pid 3651] munmap(0x7f4bae400000, 4194304) = 0 [pid 3651] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 3651] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3651] close(3) = 0 [pid 3651] mkdir("./file0", 0777) = 0 [pid 3651] mount("/dev/loop0", "./file0", "ntfs3", 0, "nohidden,sparse,sparse,force,discard,") = 0 [pid 3651] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 3651] chdir("./file0") = 0 [pid 3651] ioctl(4, LOOP_CLR_FD) = 0 [pid 3651] close(4) = 0 [pid 3651] exit_group(0) = ? [pid 3651] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3651, si_uid=0, si_status=0, si_utime=0, si_stime=7} --- umount2("./18", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./18", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556ade620 /* 4 entries */, 32768) = 112 umount2("./18/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./18/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./18/binderfs") = 0 umount2("./18/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./18/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./18/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./18/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./18/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x555556ae6660 /* 2 entries */, 32768) = 48 getdents64(4, 0x555556ae6660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./18/file0") = 0 getdents64(3, 0x555556ade620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./18") = 0 mkdir("./19", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [ 58.841435][ T3651] loop0: detected capacity change from 0 to 8192 [ 58.861810][ T3651] ntfs3: loop0: Different NTFS' sector size (4096) and media sector size (512) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556add5d0) = 3652 ./strace-static-x86_64: Process 3652 attached [pid 3652] chdir("./19") = 0 [pid 3652] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3652] setpgid(0, 0) = 0 [pid 3652] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3652] write(3, "1000", 4) = 4 [pid 3652] close(3) = 0 [pid 3652] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3652] memfd_create("syzkaller", 0) = 3 [pid 3652] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4bae400000 [pid 3652] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x10\x20\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf4\x00\x00\x00\xf4\x00\x00\x00\x92\x9d\x3e\x59\x8b\x7e\x69\x31\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 4194304) = 4194304 [pid 3652] munmap(0x7f4bae400000, 4194304) = 0 [pid 3652] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 3652] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3652] close(3) = 0 [pid 3652] mkdir("./file0", 0777) = 0 [pid 3652] mount("/dev/loop0", "./file0", "ntfs3", 0, "nohidden,sparse,sparse,force,discard,") = 0 [pid 3652] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 3652] chdir("./file0") = 0 [pid 3652] ioctl(4, LOOP_CLR_FD) = 0 [pid 3652] close(4) = 0 [pid 3652] exit_group(0) = ? [pid 3652] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3652, si_uid=0, si_status=0, si_utime=0, si_stime=10} --- umount2("./19", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./19", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556ade620 /* 4 entries */, 32768) = 112 umount2("./19/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./19/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./19/binderfs") = 0 [ 59.012118][ T3652] loop0: detected capacity change from 0 to 8192 [ 59.022754][ T3652] ntfs3: loop0: Different NTFS' sector size (4096) and media sector size (512) umount2("./19/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./19/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./19/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./19/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./19/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x555556ae6660 /* 2 entries */, 32768) = 48 getdents64(4, 0x555556ae6660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./19/file0") = 0 getdents64(3, 0x555556ade620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./19") = 0 mkdir("./20", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556add5d0) = 3653 ./strace-static-x86_64: Process 3653 attached [pid 3653] chdir("./20") = 0 [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] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3653] memfd_create("syzkaller", 0) = 3 [pid 3653] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4bae400000 [pid 3653] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x10\x20\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf4\x00\x00\x00\xf4\x00\x00\x00\x92\x9d\x3e\x59\x8b\x7e\x69\x31\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 4194304) = 4194304 [pid 3653] munmap(0x7f4bae400000, 4194304) = 0 [pid 3653] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 3653] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3653] close(3) = 0 [pid 3653] mkdir("./file0", 0777) = 0 [pid 3653] mount("/dev/loop0", "./file0", "ntfs3", 0, "nohidden,sparse,sparse,force,discard,") = 0 [pid 3653] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 3653] chdir("./file0") = 0 [pid 3653] ioctl(4, LOOP_CLR_FD) = 0 [pid 3653] close(4) = 0 [pid 3653] exit_group(0) = ? [pid 3653] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3653, si_uid=0, si_status=0, si_utime=1, si_stime=5} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./20", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./20", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556ade620 /* 4 entries */, 32768) = 112 umount2("./20/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./20/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./20/binderfs") = 0 [ 59.177121][ T3653] loop0: detected capacity change from 0 to 8192 [ 59.185951][ T3653] ntfs3: loop0: Different NTFS' sector size (4096) and media sector size (512) umount2("./20/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./20/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./20/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./20/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./20/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x555556ae6660 /* 2 entries */, 32768) = 48 getdents64(4, 0x555556ae6660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./20/file0") = 0 getdents64(3, 0x555556ade620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./20") = 0 mkdir("./21", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556add5d0) = 3654 ./strace-static-x86_64: Process 3654 attached [pid 3654] chdir("./21") = 0 [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] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3654] memfd_create("syzkaller", 0) = 3 [pid 3654] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4bae400000 [pid 3654] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x10\x20\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf4\x00\x00\x00\xf4\x00\x00\x00\x92\x9d\x3e\x59\x8b\x7e\x69\x31\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 4194304) = 4194304 [pid 3654] munmap(0x7f4bae400000, 4194304) = 0 [pid 3654] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 3654] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3654] close(3) = 0 [pid 3654] mkdir("./file0", 0777) = 0 [pid 3654] mount("/dev/loop0", "./file0", "ntfs3", 0, "nohidden,sparse,sparse,force,discard,") = 0 [pid 3654] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 3654] chdir("./file0") = 0 [pid 3654] ioctl(4, LOOP_CLR_FD) = 0 [pid 3654] close(4) = 0 [pid 3654] exit_group(0) = ? [pid 3654] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3654, si_uid=0, si_status=0, si_utime=1, si_stime=6} --- umount2("./21", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./21", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556ade620 /* 4 entries */, 32768) = 112 umount2("./21/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./21/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./21/binderfs") = 0 [ 59.336721][ T3654] loop0: detected capacity change from 0 to 8192 [ 59.345628][ T3654] ntfs3: loop0: Different NTFS' sector size (4096) and media sector size (512) umount2("./21/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./21/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./21/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./21/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./21/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x555556ae6660 /* 2 entries */, 32768) = 48 getdents64(4, 0x555556ae6660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./21/file0") = 0 getdents64(3, 0x555556ade620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./21") = 0 mkdir("./22", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556add5d0) = 3655 ./strace-static-x86_64: Process 3655 attached [pid 3655] chdir("./22") = 0 [pid 3655] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3655] setpgid(0, 0) = 0 [pid 3655] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3655] write(3, "1000", 4) = 4 [pid 3655] close(3) = 0 [pid 3655] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3655] memfd_create("syzkaller", 0) = 3 [pid 3655] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4bae400000 [pid 3655] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x10\x20\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf4\x00\x00\x00\xf4\x00\x00\x00\x92\x9d\x3e\x59\x8b\x7e\x69\x31\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 4194304) = 4194304 [pid 3655] munmap(0x7f4bae400000, 4194304) = 0 [pid 3655] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 3655] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3655] close(3) = 0 [pid 3655] mkdir("./file0", 0777) = 0 [pid 3655] mount("/dev/loop0", "./file0", "ntfs3", 0, "nohidden,sparse,sparse,force,discard,") = 0 [pid 3655] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 3655] chdir("./file0") = 0 [pid 3655] ioctl(4, LOOP_CLR_FD) = 0 [pid 3655] close(4) = 0 [pid 3655] exit_group(0) = ? [pid 3655] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3655, si_uid=0, si_status=0, si_utime=0, si_stime=5} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./22", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./22", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556ade620 /* 4 entries */, 32768) = 112 umount2("./22/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./22/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./22/binderfs") = 0 [ 59.489958][ T3655] loop0: detected capacity change from 0 to 8192 [ 59.500136][ T3655] ntfs3: loop0: Different NTFS' sector size (4096) and media sector size (512) umount2("./22/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./22/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./22/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./22/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./22/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x555556ae6660 /* 2 entries */, 32768) = 48 getdents64(4, 0x555556ae6660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./22/file0") = 0 getdents64(3, 0x555556ade620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./22") = 0 mkdir("./23", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556add5d0) = 3656 ./strace-static-x86_64: Process 3656 attached [pid 3656] chdir("./23") = 0 [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] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3656] memfd_create("syzkaller", 0) = 3 [pid 3656] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4bae400000 [pid 3656] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x10\x20\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf4\x00\x00\x00\xf4\x00\x00\x00\x92\x9d\x3e\x59\x8b\x7e\x69\x31\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 4194304) = 4194304 [pid 3656] munmap(0x7f4bae400000, 4194304) = 0 [pid 3656] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 3656] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3656] close(3) = 0 [pid 3656] mkdir("./file0", 0777) = 0 [pid 3656] mount("/dev/loop0", "./file0", "ntfs3", 0, "nohidden,sparse,sparse,force,discard,") = 0 [pid 3656] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 3656] chdir("./file0") = 0 [pid 3656] ioctl(4, LOOP_CLR_FD) = 0 [pid 3656] close(4) = 0 [pid 3656] exit_group(0) = ? [pid 3656] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3656, si_uid=0, si_status=0, si_utime=1, si_stime=5} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./23", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./23", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556ade620 /* 4 entries */, 32768) = 112 umount2("./23/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./23/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./23/binderfs") = 0 [ 59.644046][ T3656] loop0: detected capacity change from 0 to 8192 [ 59.664816][ T3656] ntfs3: loop0: Different NTFS' sector size (4096) and media sector size (512) umount2("./23/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./23/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./23/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./23/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./23/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x555556ae6660 /* 2 entries */, 32768) = 48 getdents64(4, 0x555556ae6660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./23/file0") = 0 getdents64(3, 0x555556ade620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./23") = 0 mkdir("./24", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556add5d0) = 3657 ./strace-static-x86_64: Process 3657 attached [pid 3657] chdir("./24") = 0 [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] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3657] memfd_create("syzkaller", 0) = 3 [pid 3657] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4bae400000 [pid 3657] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x10\x20\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf4\x00\x00\x00\xf4\x00\x00\x00\x92\x9d\x3e\x59\x8b\x7e\x69\x31\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 4194304) = 4194304 [pid 3657] munmap(0x7f4bae400000, 4194304) = 0 [pid 3657] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 3657] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3657] close(3) = 0 [pid 3657] mkdir("./file0", 0777) = 0 [pid 3657] mount("/dev/loop0", "./file0", "ntfs3", 0, "nohidden,sparse,sparse,force,discard,") = 0 [pid 3657] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 3657] chdir("./file0") = 0 [pid 3657] ioctl(4, LOOP_CLR_FD) = 0 [pid 3657] close(4) = 0 [pid 3657] exit_group(0) = ? [pid 3657] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3657, si_uid=0, si_status=0, si_utime=1, si_stime=5} --- umount2("./24", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./24", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556ade620 /* 4 entries */, 32768) = 112 umount2("./24/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./24/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./24/binderfs") = 0 [ 59.829747][ T3657] loop0: detected capacity change from 0 to 8192 [ 59.840159][ T3657] ntfs3: loop0: Different NTFS' sector size (4096) and media sector size (512) umount2("./24/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./24/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./24/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./24/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./24/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x555556ae6660 /* 2 entries */, 32768) = 48 getdents64(4, 0x555556ae6660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./24/file0") = 0 getdents64(3, 0x555556ade620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./24") = 0 mkdir("./25", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556add5d0) = 3658 ./strace-static-x86_64: Process 3658 attached [pid 3658] chdir("./25") = 0 [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] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3658] memfd_create("syzkaller", 0) = 3 [pid 3658] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4bae400000 [pid 3658] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x10\x20\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf4\x00\x00\x00\xf4\x00\x00\x00\x92\x9d\x3e\x59\x8b\x7e\x69\x31\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 4194304) = 4194304 [pid 3658] munmap(0x7f4bae400000, 4194304) = 0 [pid 3658] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 3658] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3658] close(3) = 0 [pid 3658] mkdir("./file0", 0777) = 0 [pid 3658] mount("/dev/loop0", "./file0", "ntfs3", 0, "nohidden,sparse,sparse,force,discard,") = 0 [pid 3658] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 3658] chdir("./file0") = 0 [pid 3658] ioctl(4, LOOP_CLR_FD) = 0 [pid 3658] close(4) = 0 [pid 3658] exit_group(0) = ? [pid 3658] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3658, si_uid=0, si_status=0, si_utime=0, si_stime=7} --- umount2("./25", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./25", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556ade620 /* 4 entries */, 32768) = 112 umount2("./25/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./25/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./25/binderfs") = 0 [ 59.998351][ T3658] loop0: detected capacity change from 0 to 8192 [ 60.007487][ T3658] ntfs3: loop0: Different NTFS' sector size (4096) and media sector size (512) umount2("./25/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./25/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./25/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./25/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./25/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x555556ae6660 /* 2 entries */, 32768) = 48 getdents64(4, 0x555556ae6660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./25/file0") = 0 getdents64(3, 0x555556ade620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./25") = 0 mkdir("./26", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556add5d0) = 3659 ./strace-static-x86_64: Process 3659 attached [pid 3659] chdir("./26") = 0 [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] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3659] memfd_create("syzkaller", 0) = 3 [pid 3659] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4bae400000 [pid 3659] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x10\x20\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf4\x00\x00\x00\xf4\x00\x00\x00\x92\x9d\x3e\x59\x8b\x7e\x69\x31\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 4194304) = 4194304 [pid 3659] munmap(0x7f4bae400000, 4194304) = 0 [pid 3659] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 3659] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3659] close(3) = 0 [pid 3659] mkdir("./file0", 0777) = 0 [pid 3659] mount("/dev/loop0", "./file0", "ntfs3", 0, "nohidden,sparse,sparse,force,discard,") = 0 [pid 3659] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 3659] chdir("./file0") = 0 [pid 3659] ioctl(4, LOOP_CLR_FD) = 0 [pid 3659] close(4) = 0 [pid 3659] exit_group(0) = ? [pid 3659] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3659, si_uid=0, si_status=0, si_utime=1, si_stime=3} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./26", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./26", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556ade620 /* 4 entries */, 32768) = 112 umount2("./26/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./26/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./26/binderfs") = 0 [ 60.178426][ T3659] loop0: detected capacity change from 0 to 8192 [ 60.188430][ T3659] ntfs3: loop0: Different NTFS' sector size (4096) and media sector size (512) umount2("./26/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./26/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./26/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./26/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./26/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x555556ae6660 /* 2 entries */, 32768) = 48 getdents64(4, 0x555556ae6660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./26/file0") = 0 getdents64(3, 0x555556ade620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./26") = 0 mkdir("./27", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556add5d0) = 3660 ./strace-static-x86_64: Process 3660 attached [pid 3660] chdir("./27") = 0 [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] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3660] memfd_create("syzkaller", 0) = 3 [pid 3660] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4bae400000 [pid 3660] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x10\x20\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf4\x00\x00\x00\xf4\x00\x00\x00\x92\x9d\x3e\x59\x8b\x7e\x69\x31\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 4194304) = 4194304 [pid 3660] munmap(0x7f4bae400000, 4194304) = 0 [pid 3660] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 3660] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3660] close(3) = 0 [pid 3660] mkdir("./file0", 0777) = 0 [pid 3660] mount("/dev/loop0", "./file0", "ntfs3", 0, "nohidden,sparse,sparse,force,discard,") = 0 [pid 3660] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 3660] chdir("./file0") = 0 [pid 3660] ioctl(4, LOOP_CLR_FD) = 0 [pid 3660] close(4) = 0 [pid 3660] exit_group(0) = ? [pid 3660] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3660, si_uid=0, si_status=0, si_utime=0, si_stime=5} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./27", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./27", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556ade620 /* 4 entries */, 32768) = 112 umount2("./27/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./27/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./27/binderfs") = 0 [ 60.349281][ T3660] loop0: detected capacity change from 0 to 8192 [ 60.359872][ T3660] ntfs3: loop0: Different NTFS' sector size (4096) and media sector size (512) umount2("./27/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./27/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./27/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./27/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./27/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x555556ae6660 /* 2 entries */, 32768) = 48 getdents64(4, 0x555556ae6660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./27/file0") = 0 getdents64(3, 0x555556ade620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./27") = 0 mkdir("./28", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556add5d0) = 3661 ./strace-static-x86_64: Process 3661 attached [pid 3661] chdir("./28") = 0 [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] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3661] memfd_create("syzkaller", 0) = 3 [pid 3661] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4bae400000 [pid 3661] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x10\x20\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf4\x00\x00\x00\xf4\x00\x00\x00\x92\x9d\x3e\x59\x8b\x7e\x69\x31\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 4194304) = 4194304 [pid 3661] munmap(0x7f4bae400000, 4194304) = 0 [pid 3661] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 3661] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3661] close(3) = 0 [pid 3661] mkdir("./file0", 0777) = 0 [pid 3661] mount("/dev/loop0", "./file0", "ntfs3", 0, "nohidden,sparse,sparse,force,discard,") = 0 [pid 3661] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 3661] chdir("./file0") = 0 [pid 3661] ioctl(4, LOOP_CLR_FD) = 0 [pid 3661] close(4) = 0 [pid 3661] exit_group(0) = ? [pid 3661] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3661, si_uid=0, si_status=0, si_utime=0, si_stime=7} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./28", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./28", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556ade620 /* 4 entries */, 32768) = 112 umount2("./28/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./28/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./28/binderfs") = 0 [ 60.526690][ T3661] loop0: detected capacity change from 0 to 8192 [ 60.537134][ T3661] ntfs3: loop0: Different NTFS' sector size (4096) and media sector size (512) umount2("./28/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./28/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./28/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./28/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./28/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x555556ae6660 /* 2 entries */, 32768) = 48 getdents64(4, 0x555556ae6660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./28/file0") = 0 getdents64(3, 0x555556ade620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./28") = 0 mkdir("./29", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556add5d0) = 3662 ./strace-static-x86_64: Process 3662 attached [pid 3662] chdir("./29") = 0 [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] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3662] memfd_create("syzkaller", 0) = 3 [pid 3662] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4bae400000 [pid 3662] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x10\x20\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf4\x00\x00\x00\xf4\x00\x00\x00\x92\x9d\x3e\x59\x8b\x7e\x69\x31\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 4194304) = 4194304 [pid 3662] munmap(0x7f4bae400000, 4194304) = 0 [pid 3662] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 3662] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3662] close(3) = 0 [pid 3662] mkdir("./file0", 0777) = 0 [pid 3662] mount("/dev/loop0", "./file0", "ntfs3", 0, "nohidden,sparse,sparse,force,discard,") = 0 [pid 3662] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 3662] chdir("./file0") = 0 [pid 3662] ioctl(4, LOOP_CLR_FD) = 0 [pid 3662] close(4) = 0 [pid 3662] exit_group(0) = ? [ 60.690740][ T3662] loop0: detected capacity change from 0 to 8192 [ 60.701867][ T3662] ntfs3: loop0: Different NTFS' sector size (4096) and media sector size (512) [pid 3662] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3662, si_uid=0, si_status=0, si_utime=0, si_stime=8} --- umount2("./29", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./29", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556ade620 /* 4 entries */, 32768) = 112 umount2("./29/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./29/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./29/binderfs") = 0 umount2("./29/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./29/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./29/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./29/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./29/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x555556ae6660 /* 2 entries */, 32768) = 48 getdents64(4, 0x555556ae6660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./29/file0") = 0 getdents64(3, 0x555556ade620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./29") = 0 mkdir("./30", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556add5d0) = 3663 ./strace-static-x86_64: Process 3663 attached [pid 3663] chdir("./30") = 0 [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] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3663] memfd_create("syzkaller", 0) = 3 [pid 3663] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4bae400000 [pid 3663] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x10\x20\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf4\x00\x00\x00\xf4\x00\x00\x00\x92\x9d\x3e\x59\x8b\x7e\x69\x31\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 4194304) = 4194304 [pid 3663] munmap(0x7f4bae400000, 4194304) = 0 [pid 3663] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 3663] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3663] close(3) = 0 [pid 3663] mkdir("./file0", 0777) = 0 [pid 3663] mount("/dev/loop0", "./file0", "ntfs3", 0, "nohidden,sparse,sparse,force,discard,") = 0 [pid 3663] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 3663] chdir("./file0") = 0 [pid 3663] ioctl(4, LOOP_CLR_FD) = 0 [pid 3663] close(4) = 0 [pid 3663] exit_group(0) = ? [pid 3663] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3663, si_uid=0, si_status=0, si_utime=0, si_stime=5} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./30", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./30", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556ade620 /* 4 entries */, 32768) = 112 umount2("./30/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./30/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./30/binderfs") = 0 [ 60.889970][ T3663] loop0: detected capacity change from 0 to 8192 [ 60.900541][ T3663] ntfs3: loop0: Different NTFS' sector size (4096) and media sector size (512) umount2("./30/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./30/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./30/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./30/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./30/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x555556ae6660 /* 2 entries */, 32768) = 48 getdents64(4, 0x555556ae6660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./30/file0") = 0 getdents64(3, 0x555556ade620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./30") = 0 mkdir("./31", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556add5d0) = 3664 ./strace-static-x86_64: Process 3664 attached [pid 3664] chdir("./31") = 0 [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] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3664] memfd_create("syzkaller", 0) = 3 [pid 3664] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4bae400000 [pid 3664] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x10\x20\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf4\x00\x00\x00\xf4\x00\x00\x00\x92\x9d\x3e\x59\x8b\x7e\x69\x31\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 4194304) = 4194304 [pid 3664] munmap(0x7f4bae400000, 4194304) = 0 [pid 3664] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 3664] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3664] close(3) = 0 [pid 3664] mkdir("./file0", 0777) = 0 [pid 3664] mount("/dev/loop0", "./file0", "ntfs3", 0, "nohidden,sparse,sparse,force,discard,") = 0 [pid 3664] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 3664] chdir("./file0") = 0 [pid 3664] ioctl(4, LOOP_CLR_FD) = 0 [pid 3664] close(4) = 0 [pid 3664] exit_group(0) = ? [pid 3664] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3664, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./31", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./31", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556ade620 /* 4 entries */, 32768) = 112 umount2("./31/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./31/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./31/binderfs") = 0 [ 61.063543][ T3664] loop0: detected capacity change from 0 to 8192 [ 61.073636][ T3664] ntfs3: loop0: Different NTFS' sector size (4096) and media sector size (512) umount2("./31/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./31/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./31/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./31/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./31/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x555556ae6660 /* 2 entries */, 32768) = 48 getdents64(4, 0x555556ae6660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./31/file0") = 0 getdents64(3, 0x555556ade620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./31") = 0 mkdir("./32", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556add5d0) = 3665 ./strace-static-x86_64: Process 3665 attached [pid 3665] chdir("./32") = 0 [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] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3665] memfd_create("syzkaller", 0) = 3 [pid 3665] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4bae400000 [pid 3665] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x10\x20\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf4\x00\x00\x00\xf4\x00\x00\x00\x92\x9d\x3e\x59\x8b\x7e\x69\x31\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 4194304) = 4194304 [pid 3665] munmap(0x7f4bae400000, 4194304) = 0 [pid 3665] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 3665] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3665] close(3) = 0 [pid 3665] mkdir("./file0", 0777) = 0 [pid 3665] mount("/dev/loop0", "./file0", "ntfs3", 0, "nohidden,sparse,sparse,force,discard,") = 0 [pid 3665] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 3665] chdir("./file0") = 0 [pid 3665] ioctl(4, LOOP_CLR_FD) = 0 [pid 3665] close(4) = 0 [pid 3665] exit_group(0) = ? [pid 3665] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3665, si_uid=0, si_status=0, si_utime=0, si_stime=6} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./32", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./32", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556ade620 /* 4 entries */, 32768) = 112 umount2("./32/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./32/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./32/binderfs") = 0 [ 61.224914][ T3665] loop0: detected capacity change from 0 to 8192 [ 61.234987][ T3665] ntfs3: loop0: Different NTFS' sector size (4096) and media sector size (512) umount2("./32/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./32/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./32/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./32/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./32/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x555556ae6660 /* 2 entries */, 32768) = 48 getdents64(4, 0x555556ae6660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./32/file0") = 0 getdents64(3, 0x555556ade620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./32") = 0 mkdir("./33", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556add5d0) = 3666 ./strace-static-x86_64: Process 3666 attached [pid 3666] chdir("./33") = 0 [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] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3666] memfd_create("syzkaller", 0) = 3 [pid 3666] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4bae400000 [pid 3666] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x10\x20\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf4\x00\x00\x00\xf4\x00\x00\x00\x92\x9d\x3e\x59\x8b\x7e\x69\x31\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 4194304) = 4194304 [pid 3666] munmap(0x7f4bae400000, 4194304) = 0 [pid 3666] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 3666] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3666] close(3) = 0 [pid 3666] mkdir("./file0", 0777) = 0 [pid 3666] mount("/dev/loop0", "./file0", "ntfs3", 0, "nohidden,sparse,sparse,force,discard,") = 0 [pid 3666] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 3666] chdir("./file0") = 0 [pid 3666] ioctl(4, LOOP_CLR_FD) = 0 [pid 3666] close(4) = 0 [pid 3666] exit_group(0) = ? [pid 3666] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3666, si_uid=0, si_status=0, si_utime=1, si_stime=6} --- umount2("./33", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./33", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556ade620 /* 4 entries */, 32768) = 112 umount2("./33/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./33/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./33/binderfs") = 0 [ 61.386239][ T3666] loop0: detected capacity change from 0 to 8192 [ 61.394951][ T3666] ntfs3: loop0: Different NTFS' sector size (4096) and media sector size (512) umount2("./33/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./33/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./33/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./33/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./33/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x555556ae6660 /* 2 entries */, 32768) = 48 getdents64(4, 0x555556ae6660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./33/file0") = 0 getdents64(3, 0x555556ade620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./33") = 0 mkdir("./34", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556add5d0) = 3667 ./strace-static-x86_64: Process 3667 attached [pid 3667] chdir("./34") = 0 [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] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3667] memfd_create("syzkaller", 0) = 3 [pid 3667] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4bae400000 [pid 3667] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x10\x20\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf4\x00\x00\x00\xf4\x00\x00\x00\x92\x9d\x3e\x59\x8b\x7e\x69\x31\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 4194304) = 4194304 [pid 3667] munmap(0x7f4bae400000, 4194304) = 0 [pid 3667] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 3667] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3667] close(3) = 0 [pid 3667] mkdir("./file0", 0777) = 0 [pid 3667] mount("/dev/loop0", "./file0", "ntfs3", 0, "nohidden,sparse,sparse,force,discard,") = 0 [pid 3667] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 3667] chdir("./file0") = 0 [pid 3667] ioctl(4, LOOP_CLR_FD) = 0 [pid 3667] close(4) = 0 [pid 3667] exit_group(0) = ? [pid 3667] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3667, si_uid=0, si_status=0, si_utime=0, si_stime=5} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./34", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./34", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556ade620 /* 4 entries */, 32768) = 112 umount2("./34/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./34/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./34/binderfs") = 0 [ 61.563378][ T3667] loop0: detected capacity change from 0 to 8192 [ 61.573653][ T3667] ntfs3: loop0: Different NTFS' sector size (4096) and media sector size (512) umount2("./34/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./34/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./34/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./34/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./34/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x555556ae6660 /* 2 entries */, 32768) = 48 getdents64(4, 0x555556ae6660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./34/file0") = 0 getdents64(3, 0x555556ade620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./34") = 0 mkdir("./35", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556add5d0) = 3668 ./strace-static-x86_64: Process 3668 attached [pid 3668] chdir("./35") = 0 [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] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3668] memfd_create("syzkaller", 0) = 3 [pid 3668] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4bae400000 [pid 3668] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x10\x20\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf4\x00\x00\x00\xf4\x00\x00\x00\x92\x9d\x3e\x59\x8b\x7e\x69\x31\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 4194304) = 4194304 [pid 3668] munmap(0x7f4bae400000, 4194304) = 0 [pid 3668] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 3668] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3668] close(3) = 0 [pid 3668] mkdir("./file0", 0777) = 0 [pid 3668] mount("/dev/loop0", "./file0", "ntfs3", 0, "nohidden,sparse,sparse,force,discard,") = 0 [pid 3668] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 3668] chdir("./file0") = 0 [pid 3668] ioctl(4, LOOP_CLR_FD) = 0 [pid 3668] close(4) = 0 [pid 3668] exit_group(0) = ? [pid 3668] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3668, si_uid=0, si_status=0, si_utime=0, si_stime=8} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./35", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./35", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556ade620 /* 4 entries */, 32768) = 112 umount2("./35/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./35/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [ 61.735964][ T3668] loop0: detected capacity change from 0 to 8192 [ 61.746226][ T3668] ntfs3: loop0: Different NTFS' sector size (4096) and media sector size (512) unlink("./35/binderfs") = 0 umount2("./35/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./35/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./35/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./35/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./35/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x555556ae6660 /* 2 entries */, 32768) = 48 getdents64(4, 0x555556ae6660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./35/file0") = 0 getdents64(3, 0x555556ade620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./35") = 0 mkdir("./36", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3669 attached , child_tidptr=0x555556add5d0) = 3669 [pid 3669] chdir("./36") = 0 [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] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3669] memfd_create("syzkaller", 0) = 3 [pid 3669] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4bae400000 [pid 3669] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x10\x20\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf4\x00\x00\x00\xf4\x00\x00\x00\x92\x9d\x3e\x59\x8b\x7e\x69\x31\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 4194304) = 4194304 [pid 3669] munmap(0x7f4bae400000, 4194304) = 0 [pid 3669] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 3669] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3669] close(3) = 0 [pid 3669] mkdir("./file0", 0777) = 0 [pid 3669] mount("/dev/loop0", "./file0", "ntfs3", 0, "nohidden,sparse,sparse,force,discard,") = 0 [pid 3669] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 3669] chdir("./file0") = 0 [pid 3669] ioctl(4, LOOP_CLR_FD) = 0 [pid 3669] close(4) = 0 [pid 3669] exit_group(0) = ? [pid 3669] +++ exited with 0 +++ [ 61.904290][ T3669] loop0: detected capacity change from 0 to 8192 [ 61.913171][ T3669] ntfs3: loop0: Different NTFS' sector size (4096) and media sector size (512) --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3669, si_uid=0, si_status=0, si_utime=1, si_stime=5} --- umount2("./36", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./36", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556ade620 /* 4 entries */, 32768) = 112 umount2("./36/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./36/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./36/binderfs") = 0 umount2("./36/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./36/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./36/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./36/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./36/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x555556ae6660 /* 2 entries */, 32768) = 48 getdents64(4, 0x555556ae6660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./36/file0") = 0 getdents64(3, 0x555556ade620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./36") = 0 mkdir("./37", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556add5d0) = 3670 ./strace-static-x86_64: Process 3670 attached [pid 3670] chdir("./37") = 0 [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] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3670] memfd_create("syzkaller", 0) = 3 [pid 3670] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4bae400000 [pid 3670] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x10\x20\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf4\x00\x00\x00\xf4\x00\x00\x00\x92\x9d\x3e\x59\x8b\x7e\x69\x31\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 4194304) = 4194304 [pid 3670] munmap(0x7f4bae400000, 4194304) = 0 [pid 3670] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 3670] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3670] close(3) = 0 [pid 3670] mkdir("./file0", 0777) = 0 [pid 3670] mount("/dev/loop0", "./file0", "ntfs3", 0, "nohidden,sparse,sparse,force,discard,") = 0 [pid 3670] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 3670] chdir("./file0") = 0 [pid 3670] ioctl(4, LOOP_CLR_FD) = 0 [pid 3670] close(4) = 0 [pid 3670] exit_group(0) = ? [pid 3670] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3670, si_uid=0, si_status=0, si_utime=0, si_stime=7} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./37", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./37", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556ade620 /* 4 entries */, 32768) = 112 umount2("./37/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./37/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./37/binderfs") = 0 [ 62.074678][ T3670] loop0: detected capacity change from 0 to 8192 [ 62.083856][ T3670] ntfs3: loop0: Different NTFS' sector size (4096) and media sector size (512) umount2("./37/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./37/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./37/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./37/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./37/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x555556ae6660 /* 2 entries */, 32768) = 48 getdents64(4, 0x555556ae6660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./37/file0") = 0 getdents64(3, 0x555556ade620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./37") = 0 mkdir("./38", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556add5d0) = 3671 ./strace-static-x86_64: Process 3671 attached [pid 3671] chdir("./38") = 0 [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] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3671] memfd_create("syzkaller", 0) = 3 [pid 3671] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4bae400000 [pid 3671] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x10\x20\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf4\x00\x00\x00\xf4\x00\x00\x00\x92\x9d\x3e\x59\x8b\x7e\x69\x31\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 4194304) = 4194304 [pid 3671] munmap(0x7f4bae400000, 4194304) = 0 [pid 3671] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 3671] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3671] close(3) = 0 [pid 3671] mkdir("./file0", 0777) = 0 [pid 3671] mount("/dev/loop0", "./file0", "ntfs3", 0, "nohidden,sparse,sparse,force,discard,") = 0 [pid 3671] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 3671] chdir("./file0") = 0 [pid 3671] ioctl(4, LOOP_CLR_FD) = 0 [pid 3671] close(4) = 0 [pid 3671] exit_group(0) = ? [pid 3671] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3671, si_uid=0, si_status=0, si_utime=0, si_stime=5} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./38", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./38", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556ade620 /* 4 entries */, 32768) = 112 umount2("./38/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./38/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./38/binderfs") = 0 [ 62.236579][ T3671] loop0: detected capacity change from 0 to 8192 [ 62.245497][ T3671] ntfs3: loop0: Different NTFS' sector size (4096) and media sector size (512) umount2("./38/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./38/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./38/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./38/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./38/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x555556ae6660 /* 2 entries */, 32768) = 48 getdents64(4, 0x555556ae6660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./38/file0") = 0 getdents64(3, 0x555556ade620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./38") = 0 mkdir("./39", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556add5d0) = 3672 ./strace-static-x86_64: Process 3672 attached [pid 3672] chdir("./39") = 0 [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] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3672] memfd_create("syzkaller", 0) = 3 [pid 3672] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4bae400000 [pid 3672] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x10\x20\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf4\x00\x00\x00\xf4\x00\x00\x00\x92\x9d\x3e\x59\x8b\x7e\x69\x31\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 4194304) = 4194304 [pid 3672] munmap(0x7f4bae400000, 4194304) = 0 [pid 3672] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 3672] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3672] close(3) = 0 [pid 3672] mkdir("./file0", 0777) = 0 [pid 3672] mount("/dev/loop0", "./file0", "ntfs3", 0, "nohidden,sparse,sparse,force,discard,") = 0 [pid 3672] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 3672] chdir("./file0") = 0 [pid 3672] ioctl(4, LOOP_CLR_FD) = 0 [pid 3672] close(4) = 0 [pid 3672] exit_group(0) = ? [pid 3672] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3672, si_uid=0, si_status=0, si_utime=0, si_stime=6} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./39", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./39", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556ade620 /* 4 entries */, 32768) = 112 umount2("./39/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./39/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./39/binderfs") = 0 [ 62.401730][ T3672] loop0: detected capacity change from 0 to 8192 [ 62.411695][ T3672] ntfs3: loop0: Different NTFS' sector size (4096) and media sector size (512) umount2("./39/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./39/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./39/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./39/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./39/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x555556ae6660 /* 2 entries */, 32768) = 48 getdents64(4, 0x555556ae6660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./39/file0") = 0 getdents64(3, 0x555556ade620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./39") = 0 mkdir("./40", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556add5d0) = 3673 ./strace-static-x86_64: Process 3673 attached [pid 3673] chdir("./40") = 0 [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] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3673] memfd_create("syzkaller", 0) = 3 [pid 3673] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4bae400000 [pid 3673] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x10\x20\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf4\x00\x00\x00\xf4\x00\x00\x00\x92\x9d\x3e\x59\x8b\x7e\x69\x31\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 4194304) = 4194304 [pid 3673] munmap(0x7f4bae400000, 4194304) = 0 [pid 3673] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 3673] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3673] close(3) = 0 [pid 3673] mkdir("./file0", 0777) = 0 [pid 3673] mount("/dev/loop0", "./file0", "ntfs3", 0, "nohidden,sparse,sparse,force,discard,") = 0 [pid 3673] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 3673] chdir("./file0") = 0 [pid 3673] ioctl(4, LOOP_CLR_FD) = 0 [pid 3673] close(4) = 0 [pid 3673] exit_group(0) = ? [pid 3673] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3673, si_uid=0, si_status=0, si_utime=0, si_stime=6} --- umount2("./40", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./40", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556ade620 /* 4 entries */, 32768) = 112 umount2("./40/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./40/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./40/binderfs") = 0 [ 62.568634][ T3673] loop0: detected capacity change from 0 to 8192 [ 62.577662][ T3673] ntfs3: loop0: Different NTFS' sector size (4096) and media sector size (512) umount2("./40/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./40/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./40/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./40/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./40/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x555556ae6660 /* 2 entries */, 32768) = 48 getdents64(4, 0x555556ae6660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./40/file0") = 0 getdents64(3, 0x555556ade620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./40") = 0 mkdir("./41", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556add5d0) = 3674 ./strace-static-x86_64: Process 3674 attached [pid 3674] chdir("./41") = 0 [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] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3674] memfd_create("syzkaller", 0) = 3 [pid 3674] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4bae400000 [pid 3674] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x10\x20\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf4\x00\x00\x00\xf4\x00\x00\x00\x92\x9d\x3e\x59\x8b\x7e\x69\x31\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 4194304) = 4194304 [pid 3674] munmap(0x7f4bae400000, 4194304) = 0 [pid 3674] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 3674] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3674] close(3) = 0 [pid 3674] mkdir("./file0", 0777) = 0 [pid 3674] mount("/dev/loop0", "./file0", "ntfs3", 0, "nohidden,sparse,sparse,force,discard,") = 0 [pid 3674] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 3674] chdir("./file0") = 0 [pid 3674] ioctl(4, LOOP_CLR_FD) = 0 [pid 3674] close(4) = 0 [pid 3674] exit_group(0) = ? [pid 3674] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3674, si_uid=0, si_status=0, si_utime=0, si_stime=8} --- umount2("./41", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./41", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556ade620 /* 4 entries */, 32768) = 112 umount2("./41/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./41/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./41/binderfs") = 0 [ 62.794274][ T3674] loop0: detected capacity change from 0 to 8192 [ 62.803201][ T3674] ntfs3: loop0: Different NTFS' sector size (4096) and media sector size (512) umount2("./41/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./41/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./41/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./41/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./41/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x555556ae6660 /* 2 entries */, 32768) = 48 getdents64(4, 0x555556ae6660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./41/file0") = 0 getdents64(3, 0x555556ade620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./41") = 0 mkdir("./42", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556add5d0) = 3675 ./strace-static-x86_64: Process 3675 attached [pid 3675] chdir("./42") = 0 [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] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3675] memfd_create("syzkaller", 0) = 3 [pid 3675] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4bae400000 [pid 3675] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x10\x20\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf4\x00\x00\x00\xf4\x00\x00\x00\x92\x9d\x3e\x59\x8b\x7e\x69\x31\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 4194304) = 4194304 [pid 3675] munmap(0x7f4bae400000, 4194304) = 0 [pid 3675] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 3675] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3675] close(3) = 0 [pid 3675] mkdir("./file0", 0777) = 0 [pid 3675] mount("/dev/loop0", "./file0", "ntfs3", 0, "nohidden,sparse,sparse,force,discard,") = 0 [pid 3675] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 3675] chdir("./file0") = 0 [pid 3675] ioctl(4, LOOP_CLR_FD) = 0 [pid 3675] close(4) = 0 [pid 3675] exit_group(0) = ? [pid 3675] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3675, si_uid=0, si_status=0, si_utime=1, si_stime=4} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./42", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./42", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556ade620 /* 4 entries */, 32768) = 112 umount2("./42/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./42/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./42/binderfs") = 0 [ 62.943478][ T3675] loop0: detected capacity change from 0 to 8192 [ 62.952978][ T3675] ntfs3: loop0: Different NTFS' sector size (4096) and media sector size (512) umount2("./42/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./42/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./42/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./42/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./42/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x555556ae6660 /* 2 entries */, 32768) = 48 getdents64(4, 0x555556ae6660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./42/file0") = 0 getdents64(3, 0x555556ade620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./42") = 0 mkdir("./43", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556add5d0) = 3676 ./strace-static-x86_64: Process 3676 attached [pid 3676] chdir("./43") = 0 [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] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3676] memfd_create("syzkaller", 0) = 3 [pid 3676] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4bae400000 [pid 3676] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x10\x20\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf4\x00\x00\x00\xf4\x00\x00\x00\x92\x9d\x3e\x59\x8b\x7e\x69\x31\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 4194304) = 4194304 [pid 3676] munmap(0x7f4bae400000, 4194304) = 0 [pid 3676] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 3676] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3676] close(3) = 0 [pid 3676] mkdir("./file0", 0777) = 0 [pid 3676] mount("/dev/loop0", "./file0", "ntfs3", 0, "nohidden,sparse,sparse,force,discard,") = 0 [pid 3676] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 3676] chdir("./file0") = 0 [pid 3676] ioctl(4, LOOP_CLR_FD) = 0 [pid 3676] close(4) = 0 [pid 3676] exit_group(0) = ? [pid 3676] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3676, si_uid=0, si_status=0, si_utime=0, si_stime=5} --- umount2("./43", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./43", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556ade620 /* 4 entries */, 32768) = 112 umount2("./43/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./43/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./43/binderfs") = 0 [ 63.098945][ T3676] loop0: detected capacity change from 0 to 8192 [ 63.109660][ T3676] ntfs3: loop0: Different NTFS' sector size (4096) and media sector size (512) umount2("./43/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./43/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./43/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./43/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./43/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x555556ae6660 /* 2 entries */, 32768) = 48 getdents64(4, 0x555556ae6660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./43/file0") = 0 getdents64(3, 0x555556ade620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./43") = 0 mkdir("./44", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556add5d0) = 3677 ./strace-static-x86_64: Process 3677 attached [pid 3677] chdir("./44") = 0 [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] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3677] memfd_create("syzkaller", 0) = 3 [pid 3677] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4bae400000 [pid 3677] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x10\x20\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf4\x00\x00\x00\xf4\x00\x00\x00\x92\x9d\x3e\x59\x8b\x7e\x69\x31\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 4194304) = 4194304 [pid 3677] munmap(0x7f4bae400000, 4194304) = 0 [pid 3677] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 3677] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3677] close(3) = 0 [pid 3677] mkdir("./file0", 0777) = 0 [pid 3677] mount("/dev/loop0", "./file0", "ntfs3", 0, "nohidden,sparse,sparse,force,discard,") = 0 [pid 3677] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 3677] chdir("./file0") = 0 [pid 3677] ioctl(4, LOOP_CLR_FD) = 0 [pid 3677] close(4) = 0 [pid 3677] exit_group(0) = ? [pid 3677] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3677, si_uid=0, si_status=0, si_utime=0, si_stime=5} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./44", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./44", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556ade620 /* 4 entries */, 32768) = 112 umount2("./44/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./44/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./44/binderfs") = 0 [ 63.267706][ T3677] loop0: detected capacity change from 0 to 8192 [ 63.277976][ T3677] ntfs3: loop0: Different NTFS' sector size (4096) and media sector size (512) umount2("./44/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./44/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./44/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./44/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./44/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x555556ae6660 /* 2 entries */, 32768) = 48 getdents64(4, 0x555556ae6660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./44/file0") = 0 getdents64(3, 0x555556ade620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./44") = 0 mkdir("./45", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556add5d0) = 3678 ./strace-static-x86_64: Process 3678 attached [pid 3678] chdir("./45") = 0 [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] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3678] memfd_create("syzkaller", 0) = 3 [pid 3678] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4bae400000 [pid 3678] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x10\x20\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf4\x00\x00\x00\xf4\x00\x00\x00\x92\x9d\x3e\x59\x8b\x7e\x69\x31\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 4194304) = 4194304 [pid 3678] munmap(0x7f4bae400000, 4194304) = 0 [pid 3678] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 3678] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3678] close(3) = 0 [pid 3678] mkdir("./file0", 0777) = 0 [pid 3678] mount("/dev/loop0", "./file0", "ntfs3", 0, "nohidden,sparse,sparse,force,discard,") = 0 [pid 3678] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 3678] chdir("./file0") = 0 [pid 3678] ioctl(4, LOOP_CLR_FD) = 0 [pid 3678] close(4) = 0 [pid 3678] exit_group(0) = ? [pid 3678] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3678, si_uid=0, si_status=0, si_utime=0, si_stime=5} --- umount2("./45", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./45", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556ade620 /* 4 entries */, 32768) = 112 umount2("./45/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./45/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 unlink("./45/binderfs") = 0 [ 63.432110][ T3678] loop0: detected capacity change from 0 to 8192 [ 63.440945][ T3678] ntfs3: loop0: Different NTFS' sector size (4096) and media sector size (512) umount2("./45/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./45/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./45/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./45/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./45/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x555556ae6660 /* 2 entries */, 32768) = 48 getdents64(4, 0x555556ae6660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./45/file0") = 0 getdents64(3, 0x555556ade620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./45") = 0 mkdir("./46", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556add5d0) = 3679 ./strace-static-x86_64: Process 3679 attached [pid 3679] chdir("./46") = 0 [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] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3679] memfd_create("syzkaller", 0) = 3 [pid 3679] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4bae400000 [pid 3679] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x10\x20\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf4\x00\x00\x00\xf4\x00\x00\x00\x92\x9d\x3e\x59\x8b\x7e\x69\x31\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 4194304) = 4194304 [pid 3679] munmap(0x7f4bae400000, 4194304) = 0 [pid 3679] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 3679] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3679] close(3) = 0 [pid 3679] mkdir("./file0", 0777) = 0 [pid 3679] mount("/dev/loop0", "./file0", "ntfs3", 0, "nohidden,sparse,sparse,force,discard,") = 0 [pid 3679] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 3679] chdir("./file0") = 0 [pid 3679] ioctl(4, LOOP_CLR_FD) = 0 [pid 3679] close(4) = 0 [pid 3679] exit_group(0) = ? [pid 3679] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3679, si_uid=0, si_status=0, si_utime=1, si_stime=6} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./46", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./46", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x555556ade620 /* 4 entries */, 32768) = 112 umount2("./46/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./46/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [ 63.602226][ T3679] loop0: detected capacity change from 0 to 8192 [ 63.612109][ T3679] ntfs3: loop0: Different NTFS' sector size (4096) and media sector size (512) unlink("./46/binderfs") = 0 umount2("./46/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = 0 umount2("./46/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) lstat("./46/file0", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 umount2("./46/file0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./46/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(4, 0x555556ae6660 /* 2 entries */, 32768) = 48 getdents64(4, 0x555556ae6660 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./46/file0") = 0 getdents64(3, 0x555556ade620 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./46") = 0 mkdir("./47", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556add5d0) = 3680 ./strace-static-x86_64: Process 3680 attached [pid 3680] chdir("./47") = 0 [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] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3680] memfd_create("syzkaller", 0) = 3 [pid 3680] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4bae400000 [pid 3680] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x10\x20\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x03\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf4\x00\x00\x00\xf4\x00\x00\x00\x92\x9d\x3e\x59\x8b\x7e\x69\x31\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 4194304) = 4194304 [pid 3680] munmap(0x7f4bae400000, 4194304) = 0 [pid 3680] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 3680] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 3680] close(3) = 0 [pid 3680] mkdir("./file0", 0777) = 0 [ 63.779349][ T3680] loop0: detected capacity change from 0 to 8192 [ 63.788785][ T3680] ntfs3: loop0: Different NTFS' sector size (4096) and media sector size (512) [ 63.810351][ T3680] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 63.818174][ T3680] #PF: supervisor instruction fetch in kernel mode [ 63.824679][ T3680] #PF: error_code(0x0010) - not-present page [ 63.830639][ T3680] PGD 74d68067 P4D 74d68067 PUD 7c73f067 PMD 0 [ 63.836878][ T3680] Oops: 0010 [#1] PREEMPT SMP KASAN [ 63.842071][ T3680] CPU: 0 PID: 3680 Comm: syz-executor610 Not tainted 6.1.0-rc7-syzkaller #0 [ 63.850724][ T3680] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 63.860856][ T3680] RIP: 0010:0x0 [ 63.864344][ T3680] Code: Unable to access opcode bytes at 0xffffffffffffffd6. [ 63.871701][ T3680] RSP: 0018:ffffc90003dbf5b8 EFLAGS: 00010246 [ 63.877755][ T3680] RAX: 0000000000000000 RBX: 0000000000000002 RCX: 0000000000000000 [ 63.885718][ T3680] RDX: ffff888027654288 RSI: 0000000000000000 RDI: ffffffff8b26bba0 [ 63.893680][ T3680] RBP: ffffc90003dbf7f0 R08: ffff888027982000 R09: ffffc90003dbf9a0 [ 63.901642][ T3680] R10: fffffbfff20b2e42 R11: 1ffffffff20b2e41 R12: ffff888027982000 [ 63.909601][ T3680] R13: 0000000000000138 R14: dffffc0000000000 R15: ffff888027654278 [ 63.917560][ T3680] FS: 0000555556add300(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 63.926479][ T3680] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 63.933052][ T3680] CR2: ffffffffffffffd6 CR3: 0000000077594000 CR4: 00000000003506f0 [ 63.941014][ T3680] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 63.948974][ T3680] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 63.956933][ T3680] Call Trace: [ 63.960214][ T3680] [ 63.963139][ T3680] hdr_find_e+0x2f2/0x580 [ 63.967477][ T3680] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 63.973375][ T3680] ? indx_find+0xb20/0xb20 [ 63.977790][ T3680] ? mi_find_attr+0x29d/0x2b0 [ 63.982461][ T3680] ? ni_find_attr+0x38d/0x8c0 [ 63.987126][ T3680] ? __se_sys_mount+0x2d3/0x3c0 [ 63.991964][ T3680] ? entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 63.998020][ T3680] ? ni_load_mi+0x110/0x110 [ 64.002514][ T3680] ? fnd_clear+0x2cd/0x350 [ 64.007007][ T3680] ? fs_reclaim_acquire+0xaa/0x120 [ 64.012201][ T3680] indx_find+0x30d/0xb20 [ 64.016532][ T3680] ? indx_read+0x880/0x880 [ 64.020938][ T3680] ? rcu_read_lock_sched_held+0x87/0x110 [ 64.026567][ T3680] ? __bpf_trace_rcu_stall_warning+0x10/0x10 [ 64.032545][ T3680] ? __kmem_cache_alloc_node+0x211/0x310 [ 64.038172][ T3680] dir_search_u+0x161/0x320 [ 64.042675][ T3680] ? ntfs_nls_to_utf16+0xcb0/0xcb0 [ 64.047783][ T3680] ? ntfs_security_init+0x76b/0x8a0 [ 64.052972][ T3680] ntfs_extend_init+0x1b4/0x5a0 [ 64.057819][ T3680] ? __destroy_inode+0x453/0x5e0 [ 64.062862][ T3680] ? ntfs_fix_post_read+0x750/0x750 [ 64.068078][ T3680] ? evict+0x5d5/0x620 [ 64.072165][ T3680] ntfs_fill_super+0x3f20/0x42a0 [ 64.077111][ T3680] ? put_ntfs+0x2a0/0x2a0 [ 64.081435][ T3680] ? set_blocksize+0x1d5/0x360 [ 64.086189][ T3680] get_tree_bdev+0x400/0x620 [ 64.090775][ T3680] ? put_ntfs+0x2a0/0x2a0 [ 64.095098][ T3680] vfs_get_tree+0x88/0x270 [ 64.099505][ T3680] do_new_mount+0x289/0xad0 [ 64.104002][ T3680] ? do_move_mount_old+0x150/0x150 [ 64.109106][ T3680] ? user_path_at_empty+0x149/0x1a0 [ 64.114297][ T3680] __se_sys_mount+0x2d3/0x3c0 [ 64.118973][ T3680] ? __x64_sys_mount+0xc0/0xc0 [ 64.123745][ T3680] ? syscall_enter_from_user_mode+0x2e/0x1d0 [ 64.129742][ T3680] ? __x64_sys_mount+0x1c/0xc0 [ 64.134525][ T3680] do_syscall_64+0x3d/0xb0 [ 64.138941][ T3680] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 64.144827][ T3680] RIP: 0033:0x7f4bb695bd0a [ 64.150188][ T3680] Code: 48 c7 c2 c0 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 a8 00 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 64.169788][ T3680] RSP: 002b:00007fff33fe1f98 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5 [ 64.178192][ T3680] RAX: ffffffffffffffda RBX: 0000555556add2c0 RCX: 00007f4bb695bd0a [ 64.186153][ T3680] RDX: 0000000020020bc0 RSI: 0000000020020c00 RDI: 00007fff33fe1fe0 [ 64.194117][ T3680] RBP: 0000000000000000 R08: 00007fff33fe2020 R09: 0000000000020b99 [ 64.202079][ T3680] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000000000004 [ 64.210050][ T3680] R13: 00007fff33fe2020 R14: 0000000000000003 R15: 00007fff33fe1fe0 [ 64.218110][ T3680] [ 64.221118][ T3680] Modules linked in: [ 64.224999][ T3680] CR2: 0000000000000000 [ 64.229139][ T3680] ---[ end trace 0000000000000000 ]--- [ 64.234579][ T3680] RIP: 0010:0x0 [ 64.238033][ T3680] Code: Unable to access opcode bytes at 0xffffffffffffffd6. [ 64.245384][ T3680] RSP: 0018:ffffc90003dbf5b8 EFLAGS: 00010246 [ 64.251442][ T3680] RAX: 0000000000000000 RBX: 0000000000000002 RCX: 0000000000000000 [ 64.259404][ T3680] RDX: ffff888027654288 RSI: 0000000000000000 RDI: ffffffff8b26bba0 [ 64.267452][ T3680] RBP: ffffc90003dbf7f0 R08: ffff888027982000 R09: ffffc90003dbf9a0 [ 64.275411][ T3680] R10: fffffbfff20b2e42 R11: 1ffffffff20b2e41 R12: ffff888027982000 [ 64.283461][ T3680] R13: 0000000000000138 R14: dffffc0000000000 R15: ffff888027654278 [ 64.291601][ T3680] FS: 0000555556add300(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 64.300519][ T3680] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 64.307091][ T3680] CR2: ffffffffffffffd6 CR3: 0000000077594000 CR4: 00000000003506f0 [ 64.315071][ T3680] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 64.323033][ T3680] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 64.331081][ T3680] Kernel panic - not syncing: Fatal exception [ 64.337425][ T3680] Kernel Offset: disabled [ 64.341747][ T3680] Rebooting in 86400 seconds..